diff --git a/.github/ISSUE_TEMPLATE.txt b/.github/ISSUE_TEMPLATE.txt
index e82575f36..57bcfd4ea 100644
--- a/.github/ISSUE_TEMPLATE.txt
+++ b/.github/ISSUE_TEMPLATE.txt
@@ -68,7 +68,7 @@ When sending messages to coreutils@gnu.org or bug-coreutils@gnu.org :
 
 
 <!--
-Copyright (C) 2017-2023 Free Software Foundation, Inc.
+Copyright (C) 2017-2024 Free Software Foundation, Inc.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/.github/PULL_REQUEST_TEMPLATE.txt b/.github/PULL_REQUEST_TEMPLATE.txt
index 654f8961f..a67b53c30 100644
--- a/.github/PULL_REQUEST_TEMPLATE.txt
+++ b/.github/PULL_REQUEST_TEMPLATE.txt
@@ -88,7 +88,7 @@ in this matter.
 
 
 <!--
-Copyright (C) 2017-2023 Free Software Foundation, Inc.
+Copyright (C) 2017-2024 Free Software Foundation, Inc.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/.vg-suppressions b/.vg-suppressions
index 8383ead9b..3514c6da4 100644
--- a/.vg-suppressions
+++ b/.vg-suppressions
@@ -1,6 +1,6 @@
 # Suppress valgrind diagnostics we don't care about.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/HACKING b/HACKING
index 0febaaf43..8a49f569c 100644
--- a/HACKING
+++ b/HACKING
@@ -616,7 +616,7 @@ and root only tests, is to follow these steps (requires lcov to be installed):
   xdg-open doc/coverage/index.html
 
 ========================================================================
-Copyright (C) 2009-2023 Free Software Foundation, Inc.
+Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.3 or
diff --git a/Makefile.am b/Makefile.am
index 71337d3a2..cba7b1ee6 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,6 @@
 # Make coreutils.					-*-Makefile-*-
 
-# Copyright (C) 1990-2023 Free Software Foundation, Inc.
+# Copyright (C) 1990-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/NEWS b/NEWS
index 61ba3cf19..d1be308f7 100644
--- a/NEWS
+++ b/NEWS
@@ -5829,7 +5829,7 @@ packages, see ./old/*/NEWS.
 
 ========================================================================
 
-Copyright (C) 2001-2023 Free Software Foundation, Inc.
+Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.3 or
diff --git a/README b/README
index ef850436b..81d292d07 100644
--- a/README
+++ b/README
@@ -131,7 +131,7 @@ Please see the file COPYING for copying conditions.
 
 ========================================================================
 
-Copyright (C) 1998-2023 Free Software Foundation, Inc.
+Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.3 or
diff --git a/README-hacking b/README-hacking
index bd54844a2..6f375b4ef 100644
--- a/README-hacking
+++ b/README-hacking
@@ -101,7 +101,7 @@ each program.  One way to do this is to use vc-dwim
 
 -----
 
-Copyright (C) 2002-2023 Free Software Foundation, Inc.
+Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/README-valgrind b/README-valgrind
index 88f0dd39b..5fbea73a8 100644
--- a/README-valgrind
+++ b/README-valgrind
@@ -1,7 +1,7 @@
 #! /bin/bash
 # Convert this package for use with valgrind.
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/TODO b/TODO
index 032c930da..62f7fd160 100644
--- a/TODO
+++ b/TODO
@@ -143,7 +143,7 @@ pr's use of nstrftime can make it malloc a very large (up to SIZE_MAX) buffer
 
 -----
 
-Copyright (C) 2002-2023 Free Software Foundation, Inc.
+Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/bootstrap b/bootstrap
index e2490b8bb..3173829da 100755
--- a/bootstrap
+++ b/bootstrap
@@ -5,7 +5,7 @@
 
 scriptversion=2023-12-10.18; # UTC
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -39,7 +39,7 @@ medir=`dirname "$me"`
 
 scriptlibversion=2023-12-10.18; # UTC
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/bootstrap.conf b/bootstrap.conf
index 97645d6f0..126e1e80a 100644
--- a/bootstrap.conf
+++ b/bootstrap.conf
@@ -1,6 +1,6 @@
 # Bootstrap configuration.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/cfg.mk b/cfg.mk
index 185d5005e..c0a131b2b 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -1,5 +1,5 @@
 # Customize maint.mk                           -*- makefile -*-
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/configure.ac b/configure.ac
index f239cd479..48ab4ef53 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 # -*- autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-# Copyright (C) 1991-2023 Free Software Foundation, Inc.
+# Copyright (C) 1991-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/doc/coreutils.texi b/doc/coreutils.texi
index bf0f424d3..d13e0f834 100644
--- a/doc/coreutils.texi
+++ b/doc/coreutils.texi
@@ -147,7 +147,7 @@
 This manual documents version @value{VERSION} of the GNU core
 utilities, including the standard programs for text and file manipulation.
 
-Copyright @copyright{} 1994--2023 Free Software Foundation, Inc.
+Copyright @copyright{} 1994--2024 Free Software Foundation, Inc.
 
 @quotation
 Permission is granted to copy, distribute and/or modify this document
diff --git a/doc/local.mk b/doc/local.mk
index b5a6c33b6..0153fcd32 100644
--- a/doc/local.mk
+++ b/doc/local.mk
@@ -1,7 +1,7 @@
 # Make coreutils documentation.				-*-Makefile-*-
 # This is included by the top-level Makefile.am.
 
-# Copyright (C) 1995-2023 Free Software Foundation, Inc.
+# Copyright (C) 1995-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/doc/perm.texi b/doc/perm.texi
index 45ff1d4c1..fbb81c9cd 100644
--- a/doc/perm.texi
+++ b/doc/perm.texi
@@ -1,6 +1,6 @@
 @c File mode bits
 
-@c Copyright (C) 1994--2023 Free Software Foundation, Inc.
+@c Copyright (C) 1994--2024 Free Software Foundation, Inc.
 
 @c Permission is granted to copy, distribute and/or modify this document
 @c under the terms of the GNU Free Documentation License, Version 1.3 or
diff --git a/doc/sort-version.texi b/doc/sort-version.texi
index de2ddb50e..31725d4f6 100644
--- a/doc/sort-version.texi
+++ b/doc/sort-version.texi
@@ -1,6 +1,6 @@
 @c GNU Version-sort ordering documentation
 
-@c Copyright (C) 2019--2023 Free Software Foundation, Inc.
+@c Copyright (C) 2019--2024 Free Software Foundation, Inc.
 
 @c Permission is granted to copy, distribute and/or modify this document
 @c under the terms of the GNU Free Documentation License, Version 1.3 or
diff --git a/gl/lib/buffer-lcm.c b/gl/lib/buffer-lcm.c
index 7e3773dfb..12e67faef 100644
--- a/gl/lib/buffer-lcm.c
+++ b/gl/lib/buffer-lcm.c
@@ -1,6 +1,6 @@
 /* buffer-lcm.c - compute a good buffer size for dealing with two files
 
-   Copyright (C) 2002-2023 Free Software Foundation, Inc.
+   Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/cl-strtod.c b/gl/lib/cl-strtod.c
index 1ba9b1d88..1e4f3b68f 100644
--- a/gl/lib/cl-strtod.c
+++ b/gl/lib/cl-strtod.c
@@ -1,6 +1,6 @@
 /* Convert string to double in the current locale, falling back on the C locale.
 
-   Copyright 2019-2023 Free Software Foundation, Inc.
+   Copyright 2019-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/fadvise.c b/gl/lib/fadvise.c
index 79e6ac75b..4bbd3059e 100644
--- a/gl/lib/fadvise.c
+++ b/gl/lib/fadvise.c
@@ -1,5 +1,5 @@
 /* Declare an access pattern hint for files.
-   Copyright (C) 2010-2023 Free Software Foundation, Inc.
+   Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/fadvise.h b/gl/lib/fadvise.h
index 276a8837d..b1d43d3bd 100644
--- a/gl/lib/fadvise.h
+++ b/gl/lib/fadvise.h
@@ -1,5 +1,5 @@
 /* Declare an access pattern hint for files.
-   Copyright (C) 2010-2023 Free Software Foundation, Inc.
+   Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/fd-reopen.c b/gl/lib/fd-reopen.c
index f5150778f..0df9bba6f 100644
--- a/gl/lib/fd-reopen.c
+++ b/gl/lib/fd-reopen.c
@@ -1,6 +1,6 @@
 /* Invoke open, but return either a desired file descriptor or -1.
 
-   Copyright (C) 2005-2023 Free Software Foundation, Inc.
+   Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/fd-reopen.h b/gl/lib/fd-reopen.h
index 979847599..71bf47db8 100644
--- a/gl/lib/fd-reopen.h
+++ b/gl/lib/fd-reopen.h
@@ -1,6 +1,6 @@
 /* Invoke open, but return either a desired file descriptor or -1.
 
-   Copyright (C) 2005-2023 Free Software Foundation, Inc.
+   Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/heap.c b/gl/lib/heap.c
index 6c3cb71b6..577997d84 100644
--- a/gl/lib/heap.c
+++ b/gl/lib/heap.c
@@ -1,6 +1,6 @@
 /* Barebones heap implementation supporting only insert and pop.
 
-   Copyright (C) 2010-2023 Free Software Foundation, Inc.
+   Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/heap.h b/gl/lib/heap.h
index 9ae9308e4..e00062198 100644
--- a/gl/lib/heap.h
+++ b/gl/lib/heap.h
@@ -1,6 +1,6 @@
 /* Barebones heap implementation supporting only insert and pop.
 
-   Copyright (C) 2010-2023 Free Software Foundation, Inc.
+   Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/rand-isaac.c b/gl/lib/rand-isaac.c
index fe4cecf5a..19e3afad6 100644
--- a/gl/lib/rand-isaac.c
+++ b/gl/lib/rand-isaac.c
@@ -1,6 +1,6 @@
 /* Bob Jenkins's cryptographic random number generators, ISAAC and ISAAC64.
 
-   Copyright (C) 1999-2023 Free Software Foundation, Inc.
+   Copyright (C) 1999-2024 Free Software Foundation, Inc.
    Copyright (C) 1997, 1998, 1999 Colin Plumb.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/gl/lib/rand-isaac.h b/gl/lib/rand-isaac.h
index 985766605..630c600fb 100644
--- a/gl/lib/rand-isaac.h
+++ b/gl/lib/rand-isaac.h
@@ -1,6 +1,6 @@
 /* Bob Jenkins's cryptographic random number generators, ISAAC and ISAAC64.
 
-   Copyright (C) 1999-2023 Free Software Foundation, Inc.
+   Copyright (C) 1999-2024 Free Software Foundation, Inc.
    Copyright (C) 1997, 1998, 1999 Colin Plumb.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/gl/lib/randint.c b/gl/lib/randint.c
index fd5f7c38d..8421b5e66 100644
--- a/gl/lib/randint.c
+++ b/gl/lib/randint.c
@@ -1,6 +1,6 @@
 /* Generate random integers.
 
-   Copyright (C) 2006-2023 Free Software Foundation, Inc.
+   Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/randint.h b/gl/lib/randint.h
index 1c774cfbf..b67ba0764 100644
--- a/gl/lib/randint.h
+++ b/gl/lib/randint.h
@@ -1,6 +1,6 @@
 /* Generate random integers.
 
-   Copyright (C) 2006-2023 Free Software Foundation, Inc.
+   Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/randperm.c b/gl/lib/randperm.c
index d71f2cde2..9903966e4 100644
--- a/gl/lib/randperm.c
+++ b/gl/lib/randperm.c
@@ -1,6 +1,6 @@
 /* Generate random permutations.
 
-   Copyright (C) 2006-2023 Free Software Foundation, Inc.
+   Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/randread.c b/gl/lib/randread.c
index fdeb79d16..cbee224bb 100644
--- a/gl/lib/randread.c
+++ b/gl/lib/randread.c
@@ -1,6 +1,6 @@
 /* Generate buffers of random data.
 
-   Copyright (C) 2006-2023 Free Software Foundation, Inc.
+   Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/randread.h b/gl/lib/randread.h
index 9bd1303f1..a9ebfd127 100644
--- a/gl/lib/randread.h
+++ b/gl/lib/randread.h
@@ -1,6 +1,6 @@
 /* Generate buffers of random data.
 
-   Copyright (C) 2006-2023 Free Software Foundation, Inc.
+   Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/root-dev-ino.c b/gl/lib/root-dev-ino.c
index b158c2770..49d3b2845 100644
--- a/gl/lib/root-dev-ino.c
+++ b/gl/lib/root-dev-ino.c
@@ -1,5 +1,5 @@
 /* root-dev-ino.c -- get the device and inode numbers for '/'.
-   Copyright (C) 2003-2023 Free Software Foundation, Inc.
+   Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/root-dev-ino.h b/gl/lib/root-dev-ino.h
index 41ea4dc37..9933c5b1c 100644
--- a/gl/lib/root-dev-ino.h
+++ b/gl/lib/root-dev-ino.h
@@ -1,6 +1,6 @@
 /* Root device and inode number checking.
 
-   Copyright (C) 2003-2023 Free Software Foundation, Inc.
+   Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/skipchars.h b/gl/lib/skipchars.h
index baa9eaba6..e4e481f57 100644
--- a/gl/lib/skipchars.h
+++ b/gl/lib/skipchars.h
@@ -1,6 +1,6 @@
 /* Skipping sequences of characters satisfying a predicate
 
-   Copyright 2023 Free Software Foundation, Inc.
+   Copyright 2023-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/smack.h b/gl/lib/smack.h
index 0c8584974..b3489360b 100644
--- a/gl/lib/smack.h
+++ b/gl/lib/smack.h
@@ -1,5 +1,5 @@
 /* Include and determine availability of smack routines
-   Copyright (C) 2013-2023 Free Software Foundation, Inc.
+   Copyright (C) 2013-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/strintcmp.c b/gl/lib/strintcmp.c
index 35b2e6ba4..d051cedf3 100644
--- a/gl/lib/strintcmp.c
+++ b/gl/lib/strintcmp.c
@@ -1,6 +1,6 @@
 /* Compare integer strings.
 
-   Copyright (C) 2005-2023 Free Software Foundation, Inc.
+   Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/strnumcmp-in.h b/gl/lib/strnumcmp-in.h
index 3a69db732..4662bbeec 100644
--- a/gl/lib/strnumcmp-in.h
+++ b/gl/lib/strnumcmp-in.h
@@ -1,6 +1,6 @@
 /* Compare numeric strings.  This is an internal include file.
 
-   Copyright (C) 1988-2023 Free Software Foundation, Inc.
+   Copyright (C) 1988-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/strnumcmp.c b/gl/lib/strnumcmp.c
index 282091fc8..1fa5ce555 100644
--- a/gl/lib/strnumcmp.c
+++ b/gl/lib/strnumcmp.c
@@ -1,6 +1,6 @@
 /* Compare numeric strings.
 
-   Copyright (C) 2005-2023 Free Software Foundation, Inc.
+   Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/targetdir.c b/gl/lib/targetdir.c
index e593dd17f..8f0930dfe 100644
--- a/gl/lib/targetdir.c
+++ b/gl/lib/targetdir.c
@@ -1,6 +1,6 @@
 /* Target directory operands for coreutils
 
-   Copyright 2004-2023 Free Software Foundation, Inc.
+   Copyright 2004-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/targetdir.h b/gl/lib/targetdir.h
index 1f9c83558..fbe50f919 100644
--- a/gl/lib/targetdir.h
+++ b/gl/lib/targetdir.h
@@ -1,6 +1,6 @@
 /* Target directory operands for coreutils
 
-   Copyright 2022-2023 Free Software Foundation, Inc.
+   Copyright 2022-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/xdectoint.c b/gl/lib/xdectoint.c
index 5b53bdf4f..8a7efbcda 100644
--- a/gl/lib/xdectoint.c
+++ b/gl/lib/xdectoint.c
@@ -1,6 +1,6 @@
 /* Convert decimal strings with bounds checking and exit on error.
 
-   Copyright (C) 2014-2023 Free Software Foundation, Inc.
+   Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/xdectoint.h b/gl/lib/xdectoint.h
index bc919335b..4550474b4 100644
--- a/gl/lib/xdectoint.h
+++ b/gl/lib/xdectoint.h
@@ -1,6 +1,6 @@
 /* Convert decimal strings with bounds checking and exit on error.
 
-   Copyright (C) 2014-2023 Free Software Foundation, Inc.
+   Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/lib/xfts.c b/gl/lib/xfts.c
index 3cb77610a..5a6f07bfe 100644
--- a/gl/lib/xfts.c
+++ b/gl/lib/xfts.c
@@ -1,6 +1,6 @@
 /* xfts.c -- a wrapper for fts_open
 
-   Copyright (C) 2003-2023 Free Software Foundation, Inc.
+   Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/tests/test-fadvise.c b/gl/tests/test-fadvise.c
index a18c928b9..55c0fafa7 100644
--- a/gl/tests/test-fadvise.c
+++ b/gl/tests/test-fadvise.c
@@ -1,5 +1,5 @@
 /* Test that fadvise works as advertised.
-   Copyright (C) 2010-2023 Free Software Foundation, Inc.
+   Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gl/tests/test-rand-isaac.c b/gl/tests/test-rand-isaac.c
index b5aa16a2d..37389786c 100644
--- a/gl/tests/test-rand-isaac.c
+++ b/gl/tests/test-rand-isaac.c
@@ -1,6 +1,6 @@
 /* Test the ISAAC or ISAAC64 pseudorandom number generator.
 
-   Copyright (C) 2010-2023 Free Software Foundation, Inc.
+   Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/gnulib b/gnulib
index 4f6545e79..5b92dd0a4 160000
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit 4f6545e79c4a7cd7feb2c8f23f1d5167e7165907
+Subproject commit 5b92dd0a45c8d27f13a21076b57095ea5e220870
diff --git a/init.cfg b/init.cfg
index 13c11443c..251272359 100644
--- a/init.cfg
+++ b/init.cfg
@@ -1,6 +1,6 @@
 # This file is sourced by init.sh, *before* its initialization.
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/lib/t-chdir-long b/lib/t-chdir-long
index 1cf7f7504..ab00a06be 100755
--- a/lib/t-chdir-long
+++ b/lib/t-chdir-long
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise chdir-long's sample main program.
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/m4/check-decl.m4 b/m4/check-decl.m4
index f00751041..a7714f289 100644
--- a/m4/check-decl.m4
+++ b/m4/check-decl.m4
@@ -1,7 +1,7 @@
 #serial 27
 # Check declarations for this package.
 
-dnl Copyright (C) 1997-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/m4/include-exclude-prog.m4 b/m4/include-exclude-prog.m4
index c3730c2b4..dd3e08a60 100644
--- a/m4/include-exclude-prog.m4
+++ b/m4/include-exclude-prog.m4
@@ -1,5 +1,5 @@
 #serial 2
-dnl Copyright (C) 2007-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/jm-macros.m4 b/m4/jm-macros.m4
index 350964f0e..9e3b94636 100644
--- a/m4/jm-macros.m4
+++ b/m4/jm-macros.m4
@@ -2,7 +2,7 @@
 
 dnl Misc type-related macros for coreutils.
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/m4/prereq.m4 b/m4/prereq.m4
index 1892b0b38..ca75b7972 100644
--- a/m4/prereq.m4
+++ b/m4/prereq.m4
@@ -7,7 +7,7 @@ m4_pattern_forbid([^gl_[ABCDEFGHIJKLMNOPQRSTUVXYZ]])dnl
 # directory of the coreutils package.
 
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/m4/stat-prog.m4 b/m4/stat-prog.m4
index e8173ce93..735c9aafa 100644
--- a/m4/stat-prog.m4
+++ b/m4/stat-prog.m4
@@ -1,7 +1,7 @@
 # stat-prog.m4 serial 7
 # Record the prerequisites of src/stat.c from the coreutils package.
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/man/basenc.x b/man/basenc.x
index 051c9156e..fbb450c29 100644
--- a/man/basenc.x
+++ b/man/basenc.x
@@ -1,4 +1,4 @@
-'\" Copyright (C) 2018-2023 Free Software Foundation, Inc.
+'\" Copyright (C) 2018-2024 Free Software Foundation, Inc.
 '\"
 '\" This is free software.  You may redistribute copies of it under the terms
 '\" of the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
diff --git a/man/chmod.x b/man/chmod.x
index b2a82d683..71de4b920 100644
--- a/man/chmod.x
+++ b/man/chmod.x
@@ -1,4 +1,4 @@
-'\" Copyright (C) 1998-2023 Free Software Foundation, Inc.
+'\" Copyright (C) 1998-2024 Free Software Foundation, Inc.
 '\"
 '\" This is free software.  You may redistribute copies of it under the terms
 '\" of the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
diff --git a/man/chown.x b/man/chown.x
index bf8d256fb..df9afb7b0 100644
--- a/man/chown.x
+++ b/man/chown.x
@@ -1,4 +1,4 @@
-'\" Copyright (C) 1998-2023 Free Software Foundation, Inc.
+'\" Copyright (C) 1998-2024 Free Software Foundation, Inc.
 '\"
 '\" This is free software.  You may redistribute copies of it under the terms
 '\" of the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
diff --git a/man/df.x b/man/df.x
index 92940aa70..cc00912a2 100644
--- a/man/df.x
+++ b/man/df.x
@@ -1,4 +1,4 @@
-'\" Copyright (C) 1998-2023 Free Software Foundation, Inc.
+'\" Copyright (C) 1998-2024 Free Software Foundation, Inc.
 '\"
 '\" This is free software.  You may redistribute copies of it under the terms
 '\" of the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
diff --git a/man/du.x b/man/du.x
index bc920eab4..ff2c41da7 100644
--- a/man/du.x
+++ b/man/du.x
@@ -1,4 +1,4 @@
-'\" Copyright (C) 1998-2023 Free Software Foundation, Inc.
+'\" Copyright (C) 1998-2024 Free Software Foundation, Inc.
 '\"
 '\" This is free software.  You may redistribute copies of it under the terms
 '\" of the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
diff --git a/man/env.x b/man/env.x
index 3775eff1e..5596cb34c 100644
--- a/man/env.x
+++ b/man/env.x
@@ -1,4 +1,4 @@
-'\" Copyright (C) 1998-2023 Free Software Foundation, Inc.
+'\" Copyright (C) 1998-2024 Free Software Foundation, Inc.
 '\"
 '\" This is free software.  You may redistribute copies of it under the terms
 '\" of the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
diff --git a/man/local.mk b/man/local.mk
index 5bdca2664..24f88745a 100644
--- a/man/local.mk
+++ b/man/local.mk
@@ -1,7 +1,7 @@
 # Make coreutils man pages.				-*-Makefile-*-
 # This is included by the top-level Makefile.am.
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/man/rm.x b/man/rm.x
index 6087faff8..4c0f0fbf4 100644
--- a/man/rm.x
+++ b/man/rm.x
@@ -1,4 +1,4 @@
-'\" Copyright (C) 1998-2023 Free Software Foundation, Inc.
+'\" Copyright (C) 1998-2024 Free Software Foundation, Inc.
 '\"
 '\" This is free software.  You may redistribute copies of it under the terms
 '\" of the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
diff --git a/man/stdbuf.x b/man/stdbuf.x
index 9fd7f9d41..a482558cb 100644
--- a/man/stdbuf.x
+++ b/man/stdbuf.x
@@ -1,4 +1,4 @@
-'\" Copyright (C) 2009-2023 Free Software Foundation, Inc.
+'\" Copyright (C) 2009-2024 Free Software Foundation, Inc.
 '\"
 '\" This is free software.  You may redistribute copies of it under the terms
 '\" of the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
diff --git a/man/test.x b/man/test.x
index aaed55d43..1162e5278 100644
--- a/man/test.x
+++ b/man/test.x
@@ -1,4 +1,4 @@
-'\" Copyright (C) 1998-2023 Free Software Foundation, Inc.
+'\" Copyright (C) 1998-2024 Free Software Foundation, Inc.
 '\"
 '\" This is free software.  You may redistribute copies of it under the terms
 '\" of the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 6a7d16d43..55aa9cc0a 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -1,5 +1,5 @@
 # List of files which contain translatable strings.
-# Copyright (C) 1996-2023 Free Software Foundation, Inc.
+# Copyright (C) 1996-2024 Free Software Foundation, Inc.
 
 # These are nominally temporary...
 lib/argmatch.c
diff --git a/scripts/build-older-versions/README.older-versions b/scripts/build-older-versions/README.older-versions
index cb0b14fa7..24f930f5b 100644
--- a/scripts/build-older-versions/README.older-versions
+++ b/scripts/build-older-versions/README.older-versions
@@ -164,7 +164,7 @@ By adding the directory to your $PATH, older versions can be easily used:
 
 ========================================================================
 
-Copyright (C) 2019-2023 Free Software Foundation, Inc.
+Copyright (C) 2019-2024 Free Software Foundation, Inc.
 
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.3 or
diff --git a/scripts/build-older-versions/build-older-versions.sh b/scripts/build-older-versions/build-older-versions.sh
index e72757569..a3fc3da6f 100755
--- a/scripts/build-older-versions/build-older-versions.sh
+++ b/scripts/build-older-versions/build-older-versions.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2019-2023 Free Software Foundation, Inc.
+# Copyright (C) 2019-2024 Free Software Foundation, Inc.
 #
 # Copying and distribution of this file, with or without modification,
 # are permitted in any medium without royalty provided the copyright
diff --git a/src/basename.c b/src/basename.c
index 479815beb..2ba4a8a28 100644
--- a/src/basename.c
+++ b/src/basename.c
@@ -1,5 +1,5 @@
 /* basename -- strip directory and suffix from file names
-   Copyright (C) 1990-2023 Free Software Foundation, Inc.
+   Copyright (C) 1990-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/basenc.c b/src/basenc.c
index 3c4620fcb..903c623b7 100644
--- a/src/basenc.c
+++ b/src/basenc.c
@@ -1,5 +1,5 @@
 /* Base64, base32, and similar encoding/decoding strings or files.
-   Copyright (C) 2004-2023 Free Software Foundation, Inc.
+   Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/cat.c b/src/cat.c
index e019faa8a..4ed404363 100644
--- a/src/cat.c
+++ b/src/cat.c
@@ -1,5 +1,5 @@
 /* cat -- concatenate files and print on the standard output.
-   Copyright (C) 1988-2023 Free Software Foundation, Inc.
+   Copyright (C) 1988-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/chcon.c b/src/chcon.c
index 41419b844..f797690d8 100644
--- a/src/chcon.c
+++ b/src/chcon.c
@@ -1,5 +1,5 @@
 /* chcon -- change security context of files
-   Copyright (C) 2005-2023 Free Software Foundation, Inc.
+   Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/chmod.c b/src/chmod.c
index 014757d9d..fcd1d3e8f 100644
--- a/src/chmod.c
+++ b/src/chmod.c
@@ -1,5 +1,5 @@
 /* chmod -- change permission modes of files
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/chown-core.c b/src/chown-core.c
index 9669aaa25..fb5d4fe17 100644
--- a/src/chown-core.c
+++ b/src/chown-core.c
@@ -1,5 +1,5 @@
 /* chown-core.c -- core functions for changing ownership.
-   Copyright (C) 2000-2023 Free Software Foundation, Inc.
+   Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/chown-core.h b/src/chown-core.h
index 23cb89435..e1396e3ea 100644
--- a/src/chown-core.h
+++ b/src/chown-core.h
@@ -1,6 +1,6 @@
 /* chown-core.h -- types and prototypes shared by chown and chgrp.
 
-   Copyright (C) 2000-2023 Free Software Foundation, Inc.
+   Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/chown.c b/src/chown.c
index cfc34920b..1262fa7a8 100644
--- a/src/chown.c
+++ b/src/chown.c
@@ -1,5 +1,5 @@
 /* chown, chgrp -- change user and group ownership of files
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/chroot.c b/src/chroot.c
index 17af5ebe4..e12454c84 100644
--- a/src/chroot.c
+++ b/src/chroot.c
@@ -1,5 +1,5 @@
 /* chroot -- run command or shell with special root directory
-   Copyright (C) 1995-2023 Free Software Foundation, Inc.
+   Copyright (C) 1995-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/cksum.c b/src/cksum.c
index 41146d256..a47450be1 100644
--- a/src/cksum.c
+++ b/src/cksum.c
@@ -1,5 +1,5 @@
 /* cksum -- calculate and print POSIX checksums and sizes of files
-   Copyright (C) 1992-2023 Free Software Foundation, Inc.
+   Copyright (C) 1992-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/cksum_pclmul.c b/src/cksum_pclmul.c
index 9dba1c912..f88f6cc01 100644
--- a/src/cksum_pclmul.c
+++ b/src/cksum_pclmul.c
@@ -1,5 +1,5 @@
 /* cksum -- calculate and print POSIX checksums and sizes of files
-   Copyright (C) 1992-2023 Free Software Foundation, Inc.
+   Copyright (C) 1992-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/comm.c b/src/comm.c
index 5cb2410e5..de4706255 100644
--- a/src/comm.c
+++ b/src/comm.c
@@ -1,5 +1,5 @@
 /* comm -- compare two sorted files line by line.
-   Copyright (C) 1986-2023 Free Software Foundation, Inc.
+   Copyright (C) 1986-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/copy.c b/src/copy.c
index b74e27f63..ccdc45908 100644
--- a/src/copy.c
+++ b/src/copy.c
@@ -1,5 +1,5 @@
 /* copy.c -- core functions for copying files and directories
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/copy.h b/src/copy.h
index 3809f8d23..7eca2e43c 100644
--- a/src/copy.h
+++ b/src/copy.h
@@ -1,5 +1,5 @@
 /* core functions for copying files and directories
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/coreutils-arch.c b/src/coreutils-arch.c
index 232b09ff8..db5b7273d 100644
--- a/src/coreutils-arch.c
+++ b/src/coreutils-arch.c
@@ -1,5 +1,5 @@
 /* arch -- wrapper to uname with the right uname_mode.
-   Copyright (C) 2014-2023 Free Software Foundation, Inc.
+   Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/coreutils-chgrp.c b/src/coreutils-chgrp.c
index 1b281f670..4493e2aba 100644
--- a/src/coreutils-chgrp.c
+++ b/src/coreutils-chgrp.c
@@ -1,5 +1,5 @@
 /* chgrp -- wrapper to uname with the right chown_mode.
-   Copyright (C) 2023 Free Software Foundation, Inc.
+   Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/coreutils-dir.c b/src/coreutils-dir.c
index b772218c9..71a5fb72a 100644
--- a/src/coreutils-dir.c
+++ b/src/coreutils-dir.c
@@ -1,5 +1,5 @@
 /* dir -- wrapper to ls with the right ls_mode.
-   Copyright (C) 2014-2023 Free Software Foundation, Inc.
+   Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/coreutils-vdir.c b/src/coreutils-vdir.c
index aa2065b87..d47c512ac 100644
--- a/src/coreutils-vdir.c
+++ b/src/coreutils-vdir.c
@@ -1,5 +1,5 @@
 /* vdir -- wrapper to ls with the right ls_mode.
-   Copyright (C) 2014-2023 Free Software Foundation, Inc.
+   Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/coreutils.c b/src/coreutils.c
index 92ba41bc1..592a00cc2 100644
--- a/src/coreutils.c
+++ b/src/coreutils.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2014-2023 Free Software Foundation, Inc.
+/* Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/cp-hash.c b/src/cp-hash.c
index 355c03c3c..b06301cb8 100644
--- a/src/cp-hash.c
+++ b/src/cp-hash.c
@@ -1,5 +1,5 @@
 /* cp-hash.c  -- file copying (hash search routines)
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/cp.c b/src/cp.c
index 3ccc4c4e6..42dcb4e0d 100644
--- a/src/cp.c
+++ b/src/cp.c
@@ -1,5 +1,5 @@
 /* cp.c  -- file copying (main routines)
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/csplit.c b/src/csplit.c
index a5fd3f050..4767d8aa0 100644
--- a/src/csplit.c
+++ b/src/csplit.c
@@ -1,5 +1,5 @@
 /* csplit - split a file into sections determined by context lines
-   Copyright (C) 1991-2023 Free Software Foundation, Inc.
+   Copyright (C) 1991-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/cut.c b/src/cut.c
index b4edbabec..061e09c33 100644
--- a/src/cut.c
+++ b/src/cut.c
@@ -1,5 +1,5 @@
 /* cut - remove parts of lines of files
-   Copyright (C) 1997-2023 Free Software Foundation, Inc.
+   Copyright (C) 1997-2024 Free Software Foundation, Inc.
    Copyright (C) 1984 David M. Ihnat
 
    This program is free software: you can redistribute it and/or modify
diff --git a/src/date.c b/src/date.c
index 9b66d397e..39fc0715d 100644
--- a/src/date.c
+++ b/src/date.c
@@ -1,5 +1,5 @@
 /* date - print or set the system date and time
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/dcgen b/src/dcgen
index 141d2c60d..957427370 100755
--- a/src/dcgen
+++ b/src/dcgen
@@ -1,7 +1,7 @@
 #!/usr/bin/perl -w
 # dcgen -- convert dircolors.hin to dircolors.h.
 
-# Copyright (C) 1996-2023 Free Software Foundation, Inc.
+# Copyright (C) 1996-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/src/dd.c b/src/dd.c
index 25e05b932..370a42c97 100644
--- a/src/dd.c
+++ b/src/dd.c
@@ -1,5 +1,5 @@
 /* dd -- convert a file while copying it.
-   Copyright (C) 1985-2023 Free Software Foundation, Inc.
+   Copyright (C) 1985-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/df.c b/src/df.c
index 5a41ad38a..994f0e322 100644
--- a/src/df.c
+++ b/src/df.c
@@ -1,5 +1,5 @@
 /* df - summarize free file system space
-   Copyright (C) 1991-2023 Free Software Foundation, Inc.
+   Copyright (C) 1991-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/digest.c b/src/digest.c
index 052fa4db7..e8d5ded33 100644
--- a/src/digest.c
+++ b/src/digest.c
@@ -1,5 +1,5 @@
 /* Compute checksums of files or strings.
-   Copyright (C) 1995-2023 Free Software Foundation, Inc.
+   Copyright (C) 1995-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/dircolors.c b/src/dircolors.c
index 75ea51603..5722c49b0 100644
--- a/src/dircolors.c
+++ b/src/dircolors.c
@@ -1,5 +1,5 @@
 /* dircolors - output commands to set the LS_COLOR environment variable
-   Copyright (C) 1996-2023 Free Software Foundation, Inc.
+   Copyright (C) 1996-2024 Free Software Foundation, Inc.
    Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000 H. Peter Anvin
 
    This program is free software: you can redistribute it and/or modify
diff --git a/src/dircolors.hin b/src/dircolors.hin
index 353831cdf..519c56693 100644
--- a/src/dircolors.hin
+++ b/src/dircolors.hin
@@ -1,7 +1,7 @@
 # Configuration file for dircolors, a utility to help you set the
 # LS_COLORS environment variable used by GNU ls with the --color option.
 
-# Copyright (C) 1996-2023 Free Software Foundation, Inc.
+# Copyright (C) 1996-2024 Free Software Foundation, Inc.
 # Copying and distribution of this file, with or without modification,
 # are permitted provided the copyright notice and this notice are preserved.
 
diff --git a/src/dirname.c b/src/dirname.c
index 4ee6cd14e..450d8cae5 100644
--- a/src/dirname.c
+++ b/src/dirname.c
@@ -1,6 +1,6 @@
 /* dirname -- strip suffix from file name
 
-   Copyright (C) 1990-2023 Free Software Foundation, Inc.
+   Copyright (C) 1990-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/du-tests b/src/du-tests
index 268b17738..67fb0ba6f 100755
--- a/src/du-tests
+++ b/src/du-tests
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/src/du.c b/src/du.c
index 90df5cde0..023a11022 100644
--- a/src/du.c
+++ b/src/du.c
@@ -1,5 +1,5 @@
 /* du -- summarize device usage
-   Copyright (C) 1988-2023 Free Software Foundation, Inc.
+   Copyright (C) 1988-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/echo.c b/src/echo.c
index f80ead86f..35148d6d2 100644
--- a/src/echo.c
+++ b/src/echo.c
@@ -1,5 +1,5 @@
 /* echo.c, derived from code echo.c in Bash.
-   Copyright (C) 1987-2023 Free Software Foundation, Inc.
+   Copyright (C) 1987-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/env.c b/src/env.c
index b008ea2ce..ffe896039 100644
--- a/src/env.c
+++ b/src/env.c
@@ -1,5 +1,5 @@
 /* env - run a program in a modified environment
-   Copyright (C) 1986-2023 Free Software Foundation, Inc.
+   Copyright (C) 1986-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/expand-common.c b/src/expand-common.c
index 7f2020278..c95998dc6 100644
--- a/src/expand-common.c
+++ b/src/expand-common.c
@@ -1,5 +1,5 @@
 /* expand-common - common functionality for expand/unexpand
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/expand-common.h b/src/expand-common.h
index daed31ee2..1a57108e4 100644
--- a/src/expand-common.h
+++ b/src/expand-common.h
@@ -1,6 +1,6 @@
 /* expand-common - common functionality for expand/unexpand
 
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/expand.c b/src/expand.c
index 00f2119c6..a6176a974 100644
--- a/src/expand.c
+++ b/src/expand.c
@@ -1,5 +1,5 @@
 /* expand - convert tabs to spaces
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/expr.c b/src/expr.c
index 5db4d1742..3ecec0735 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -1,5 +1,5 @@
 /* expr -- evaluate expressions.
-   Copyright (C) 1986-2023 Free Software Foundation, Inc.
+   Copyright (C) 1986-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/extract-magic b/src/extract-magic
index f8d3029e8..571a9eb85 100644
--- a/src/extract-magic
+++ b/src/extract-magic
@@ -1,7 +1,7 @@
 #!/usr/bin/perl -w
 # Derive #define directives from specially formatted 'case ...:' statements.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/src/factor.c b/src/factor.c
index 8848ac2ac..2649e9fc6 100644
--- a/src/factor.c
+++ b/src/factor.c
@@ -1,5 +1,5 @@
 /* factor -- print prime factors of n.
-   Copyright (C) 1986-2023 Free Software Foundation, Inc.
+   Copyright (C) 1986-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/find-mount-point.c b/src/find-mount-point.c
index 30906de03..1d30a56af 100644
--- a/src/find-mount-point.c
+++ b/src/find-mount-point.c
@@ -1,5 +1,5 @@
 /* find-mount-point.c -- find the root mount point for a file.
-   Copyright (C) 2010-2023 Free Software Foundation, Inc.
+   Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/find-mount-point.h b/src/find-mount-point.h
index 96d562f81..f051e0d19 100644
--- a/src/find-mount-point.h
+++ b/src/find-mount-point.h
@@ -1,5 +1,5 @@
 /* find-mount-point.h -- find the root mount point for a file.
-   Copyright (C) 2010-2023 Free Software Foundation, Inc.
+   Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/fmt.c b/src/fmt.c
index b6fe74630..86e6d0b2f 100644
--- a/src/fmt.c
+++ b/src/fmt.c
@@ -1,5 +1,5 @@
 /* GNU fmt -- simple text formatter.
-   Copyright (C) 1994-2023 Free Software Foundation, Inc.
+   Copyright (C) 1994-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/fold.c b/src/fold.c
index 1a3859097..941ad11c6 100644
--- a/src/fold.c
+++ b/src/fold.c
@@ -1,5 +1,5 @@
 /* fold -- wrap each input line to fit in specified width.
-   Copyright (C) 1991-2023 Free Software Foundation, Inc.
+   Copyright (C) 1991-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/force-link.c b/src/force-link.c
index 218616f40..543f6966b 100644
--- a/src/force-link.c
+++ b/src/force-link.c
@@ -1,6 +1,6 @@
 /* Implement ln -f "atomically"
 
-   Copyright 2017-2023 Free Software Foundation, Inc.
+   Copyright 2017-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/getlimits.c b/src/getlimits.c
index 5a1ab16e4..3138455ed 100644
--- a/src/getlimits.c
+++ b/src/getlimits.c
@@ -1,5 +1,5 @@
 /* getlimits - print various platform dependent limits.
-   Copyright (C) 2008-2023 Free Software Foundation, Inc.
+   Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/group-list.c b/src/group-list.c
index 5cdf3639f..d6af680ef 100644
--- a/src/group-list.c
+++ b/src/group-list.c
@@ -1,5 +1,5 @@
 /* group-list.c --Print a list of group IDs or names.
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/group-list.h b/src/group-list.h
index 399a07a38..d21e9493a 100644
--- a/src/group-list.h
+++ b/src/group-list.h
@@ -1,6 +1,6 @@
 /* group-list.h -- prototypes shared by id and groups.
 
-   Copyright (C) 2008-2023 Free Software Foundation, Inc.
+   Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/groups.c b/src/groups.c
index cc90694eb..3e5b9b9d7 100644
--- a/src/groups.c
+++ b/src/groups.c
@@ -1,5 +1,5 @@
 /* groups -- print the groups a user is in
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/head.c b/src/head.c
index a61584f93..4612a8e10 100644
--- a/src/head.c
+++ b/src/head.c
@@ -1,5 +1,5 @@
 /* head -- output first part of file(s)
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/hostid.c b/src/hostid.c
index 79f83b3ae..799e5a423 100644
--- a/src/hostid.c
+++ b/src/hostid.c
@@ -1,6 +1,6 @@
 /* print the hexadecimal identifier for the current host
 
-   Copyright (C) 1997-2023 Free Software Foundation, Inc.
+   Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/hostname.c b/src/hostname.c
index 115cac289..9a426fd1a 100644
--- a/src/hostname.c
+++ b/src/hostname.c
@@ -1,5 +1,5 @@
 /* hostname - set or print the name of current host system
-   Copyright (C) 1994-2023 Free Software Foundation, Inc.
+   Copyright (C) 1994-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/id.c b/src/id.c
index cf153aef5..38d5517bd 100644
--- a/src/id.c
+++ b/src/id.c
@@ -1,5 +1,5 @@
 /* id -- print real and effective UIDs and GIDs
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/install.c b/src/install.c
index 855c30cd5..accd0fd4e 100644
--- a/src/install.c
+++ b/src/install.c
@@ -1,5 +1,5 @@
 /* install - copy files and set attributes
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/ioblksize.h b/src/ioblksize.h
index 987629a74..590b09f58 100644
--- a/src/ioblksize.h
+++ b/src/ioblksize.h
@@ -1,5 +1,5 @@
 /* I/O block size definitions for coreutils
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/iopoll.c b/src/iopoll.c
index 4599f59a7..8e5c92dd8 100644
--- a/src/iopoll.c
+++ b/src/iopoll.c
@@ -1,5 +1,5 @@
 /* iopoll.c -- broken pipe detection / non blocking output handling
-   Copyright (C) 2022 Free Software Foundation, Inc.
+   Copyright (C) 2022-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/join.c b/src/join.c
index a89b5de28..8ff252e68 100644
--- a/src/join.c
+++ b/src/join.c
@@ -1,5 +1,5 @@
 /* join - join lines of two files on a common field
-   Copyright (C) 1991-2023 Free Software Foundation, Inc.
+   Copyright (C) 1991-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/kill.c b/src/kill.c
index 2b463b310..9c8b6c191 100644
--- a/src/kill.c
+++ b/src/kill.c
@@ -1,5 +1,5 @@
 /* kill -- send a signal to a process
-   Copyright (C) 2002-2023 Free Software Foundation, Inc.
+   Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/libstdbuf.c b/src/libstdbuf.c
index e2e2fa953..4be39827d 100644
--- a/src/libstdbuf.c
+++ b/src/libstdbuf.c
@@ -1,5 +1,5 @@
 /* libstdbuf -- a shared lib to preload to setup stdio buffering for a command
-   Copyright (C) 2009-2023 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/link.c b/src/link.c
index 1f92773a0..c1d01d6c9 100644
--- a/src/link.c
+++ b/src/link.c
@@ -1,5 +1,5 @@
 /* link utility for GNU.
-   Copyright (C) 2001-2023 Free Software Foundation, Inc.
+   Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/ln.c b/src/ln.c
index b6b70e243..453e8bd02 100644
--- a/src/ln.c
+++ b/src/ln.c
@@ -1,5 +1,5 @@
 /* 'ln' program to create links between files.
-   Copyright (C) 1986-2023 Free Software Foundation, Inc.
+   Copyright (C) 1986-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/local.mk b/src/local.mk
index c52cc6cc7..7bc5ba5bc 100644
--- a/src/local.mk
+++ b/src/local.mk
@@ -1,7 +1,7 @@
 # Make coreutils programs.                             -*-Makefile-*-
 # This is included by the top-level Makefile.am.
 
-## Copyright (C) 1990-2023 Free Software Foundation, Inc.
+## Copyright (C) 1990-2024 Free Software Foundation, Inc.
 
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/src/logname.c b/src/logname.c
index 1d74ad992..b2cabc9fb 100644
--- a/src/logname.c
+++ b/src/logname.c
@@ -1,5 +1,5 @@
 /* logname -- print user's login name
-   Copyright (C) 1990-2023 Free Software Foundation, Inc.
+   Copyright (C) 1990-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/longlong.h b/src/longlong.h
index d5f3831c5..967468cba 100644
--- a/src/longlong.h
+++ b/src/longlong.h
@@ -1,6 +1,6 @@
 /* longlong.h -- definitions for mixed size 32/64 bit arithmetic.
 
-Copyright 1991-2023 Free Software Foundation, Inc.
+Copyright 1991-2024 Free Software Foundation, Inc.
 
 This file is free software; you can redistribute it and/or modify it under the
 terms of the GNU Lesser General Public License as published by the Free
diff --git a/src/ls.c b/src/ls.c
index 93a6db0af..18bb3f84e 100644
--- a/src/ls.c
+++ b/src/ls.c
@@ -1,5 +1,5 @@
 /* 'dir', 'vdir' and 'ls' directory listing programs for GNU.
-   Copyright (C) 1985-2023 Free Software Foundation, Inc.
+   Copyright (C) 1985-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/make-prime-list.c b/src/make-prime-list.c
index d66ee3d5e..f4aa8d9aa 100644
--- a/src/make-prime-list.c
+++ b/src/make-prime-list.c
@@ -3,7 +3,7 @@
    Contributed to the GNU project by Torbjörn Granlund and Niels Möller
    Contains code from GNU MP.
 
-Copyright 2012-2023 Free Software Foundation, Inc.
+Copyright 2012-2024 Free Software Foundation, Inc.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
diff --git a/src/mkdir.c b/src/mkdir.c
index 7e6a911c8..6861a02c9 100644
--- a/src/mkdir.c
+++ b/src/mkdir.c
@@ -1,5 +1,5 @@
 /* mkdir -- make directories
-   Copyright (C) 1990-2023 Free Software Foundation, Inc.
+   Copyright (C) 1990-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/mkfifo.c b/src/mkfifo.c
index 67b9fae93..a868f0d7f 100644
--- a/src/mkfifo.c
+++ b/src/mkfifo.c
@@ -1,5 +1,5 @@
 /* mkfifo -- make fifo's (named pipes)
-   Copyright (C) 1990-2023 Free Software Foundation, Inc.
+   Copyright (C) 1990-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/mknod.c b/src/mknod.c
index 576d1b060..f96079488 100644
--- a/src/mknod.c
+++ b/src/mknod.c
@@ -1,5 +1,5 @@
 /* mknod -- make special files
-   Copyright (C) 1990-2023 Free Software Foundation, Inc.
+   Copyright (C) 1990-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/mktemp.c b/src/mktemp.c
index 992d4a351..5f8e5155d 100644
--- a/src/mktemp.c
+++ b/src/mktemp.c
@@ -1,5 +1,5 @@
 /* Create a temporary file or directory, safely.
-   Copyright (C) 2007-2023 Free Software Foundation, Inc.
+   Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/mv.c b/src/mv.c
index 4fac6ea61..8a6fef41a 100644
--- a/src/mv.c
+++ b/src/mv.c
@@ -1,5 +1,5 @@
 /* mv -- move or rename files
-   Copyright (C) 1986-2023 Free Software Foundation, Inc.
+   Copyright (C) 1986-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/nice.c b/src/nice.c
index e573c2425..58ab59fd3 100644
--- a/src/nice.c
+++ b/src/nice.c
@@ -1,5 +1,5 @@
 /* nice -- run a program with modified niceness
-   Copyright (C) 1990-2023 Free Software Foundation, Inc.
+   Copyright (C) 1990-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/nl.c b/src/nl.c
index 7845efb6a..f77a2aa9e 100644
--- a/src/nl.c
+++ b/src/nl.c
@@ -1,5 +1,5 @@
 /* nl -- number lines of files
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/nohup.c b/src/nohup.c
index a6486c0b3..8ecaf69fb 100644
--- a/src/nohup.c
+++ b/src/nohup.c
@@ -1,5 +1,5 @@
 /* nohup -- run a command immune to hangups, with output to a non-tty
-   Copyright (C) 2003-2023 Free Software Foundation, Inc.
+   Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/nproc.c b/src/nproc.c
index 4092baaeb..018508908 100644
--- a/src/nproc.c
+++ b/src/nproc.c
@@ -1,5 +1,5 @@
 /* nproc - print the number of processors.
-   Copyright (C) 2009-2023 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/numfmt.c b/src/numfmt.c
index e3163ce59..a9f9e81c8 100644
--- a/src/numfmt.c
+++ b/src/numfmt.c
@@ -1,5 +1,5 @@
 /* Reformat numbers like 11505426432 to the more human-readable 11G
-   Copyright (C) 2012-2023 Free Software Foundation, Inc.
+   Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/od.c b/src/od.c
index 8a976aaf2..75bed5e7d 100644
--- a/src/od.c
+++ b/src/od.c
@@ -1,5 +1,5 @@
 /* od -- dump files in octal and other formats
-   Copyright (C) 1992-2023 Free Software Foundation, Inc.
+   Copyright (C) 1992-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/operand2sig.c b/src/operand2sig.c
index 71341d9e5..2a2563c62 100644
--- a/src/operand2sig.c
+++ b/src/operand2sig.c
@@ -1,5 +1,5 @@
 /* operand2sig.c -- common function for parsing signal specifications
-   Copyright (C) 2008-2023 Free Software Foundation, Inc.
+   Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/operand2sig.h b/src/operand2sig.h
index 1847a72b0..e46689e7b 100644
--- a/src/operand2sig.h
+++ b/src/operand2sig.h
@@ -1,6 +1,6 @@
 /* operand2sig.h -- prototype for signal specification function
 
-   Copyright (C) 2008-2023 Free Software Foundation, Inc.
+   Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/paste.c b/src/paste.c
index 68f8a36ef..1c570c0ac 100644
--- a/src/paste.c
+++ b/src/paste.c
@@ -1,5 +1,5 @@
 /* paste - merge lines of files
-   Copyright (C) 1997-2023 Free Software Foundation, Inc.
+   Copyright (C) 1997-2024 Free Software Foundation, Inc.
    Copyright (C) 1984 David M. Ihnat
 
    This program is free software: you can redistribute it and/or modify
diff --git a/src/pathchk.c b/src/pathchk.c
index 0e8991405..52d5a1a04 100644
--- a/src/pathchk.c
+++ b/src/pathchk.c
@@ -1,5 +1,5 @@
 /* pathchk -- check whether file names are valid or portable
-   Copyright (C) 1991-2023 Free Software Foundation, Inc.
+   Copyright (C) 1991-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/pinky.c b/src/pinky.c
index d1917acd7..0843efd55 100644
--- a/src/pinky.c
+++ b/src/pinky.c
@@ -1,5 +1,5 @@
 /* GNU's pinky.
-   Copyright (C) 1992-2023 Free Software Foundation, Inc.
+   Copyright (C) 1992-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/pr.c b/src/pr.c
index bc701269d..09c6fa8ac 100644
--- a/src/pr.c
+++ b/src/pr.c
@@ -1,5 +1,5 @@
 /* pr -- convert text files for printing.
-   Copyright (C) 1988-2023 Free Software Foundation, Inc.
+   Copyright (C) 1988-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/printenv.c b/src/printenv.c
index 54d52e9bf..88f840043 100644
--- a/src/printenv.c
+++ b/src/printenv.c
@@ -1,5 +1,5 @@
 /* printenv -- print all or part of environment
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/printf.c b/src/printf.c
index ebe09ba76..9be4f2337 100644
--- a/src/printf.c
+++ b/src/printf.c
@@ -1,5 +1,5 @@
 /* printf - format and print data
-   Copyright (C) 1990-2023 Free Software Foundation, Inc.
+   Copyright (C) 1990-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/prog-fprintf.c b/src/prog-fprintf.c
index 6c620c76b..85edbf6e8 100644
--- a/src/prog-fprintf.c
+++ b/src/prog-fprintf.c
@@ -1,5 +1,5 @@
 /* prog-fprintf.c - common formatting output functions and definitions
-   Copyright (C) 2008-2023 Free Software Foundation, Inc.
+   Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/prog-fprintf.h b/src/prog-fprintf.h
index 9d764d493..62cea8c8a 100644
--- a/src/prog-fprintf.h
+++ b/src/prog-fprintf.h
@@ -1,5 +1,5 @@
 /* prog-fprintf.h - common formatting output functions and definitions
-   Copyright (C) 2008-2023 Free Software Foundation, Inc.
+   Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/ptx.c b/src/ptx.c
index c1524fed7..09397208c 100644
--- a/src/ptx.c
+++ b/src/ptx.c
@@ -1,5 +1,5 @@
 /* Permuted index for GNU, with keywords in their context.
-   Copyright (C) 1990-2023 Free Software Foundation, Inc.
+   Copyright (C) 1990-2024 Free Software Foundation, Inc.
    François Pinard <pinard@iro.umontreal.ca>, 1988.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/src/pwd.c b/src/pwd.c
index 659dada0a..e53b5dbd5 100644
--- a/src/pwd.c
+++ b/src/pwd.c
@@ -1,5 +1,5 @@
 /* pwd - print current directory
-   Copyright (C) 1994-2023 Free Software Foundation, Inc.
+   Copyright (C) 1994-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/readlink.c b/src/readlink.c
index aa3399114..4e06e114d 100644
--- a/src/readlink.c
+++ b/src/readlink.c
@@ -1,5 +1,5 @@
 /* readlink -- display value of a symbolic link.
-   Copyright (C) 2002-2023 Free Software Foundation, Inc.
+   Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/realpath.c b/src/realpath.c
index 564b8364d..e721728d6 100644
--- a/src/realpath.c
+++ b/src/realpath.c
@@ -1,5 +1,5 @@
 /* realpath - print the resolved path
-   Copyright (C) 2011-2023 Free Software Foundation, Inc.
+   Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/relpath.c b/src/relpath.c
index 2edbb4be8..04bfe24a9 100644
--- a/src/relpath.c
+++ b/src/relpath.c
@@ -1,5 +1,5 @@
 /* relpath - print the relative path
-   Copyright (C) 2012-2023 Free Software Foundation, Inc.
+   Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/relpath.h b/src/relpath.h
index 351e7f138..601b9aa32 100644
--- a/src/relpath.h
+++ b/src/relpath.h
@@ -1,5 +1,5 @@
 /* relpath - print the relative path
-   Copyright (C) 2012-2023 Free Software Foundation, Inc.
+   Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/remove.c b/src/remove.c
index d569e8b0a..e09af55e4 100644
--- a/src/remove.c
+++ b/src/remove.c
@@ -1,5 +1,5 @@
 /* remove.c -- core functions for removing files and directories
-   Copyright (C) 1988-2023 Free Software Foundation, Inc.
+   Copyright (C) 1988-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/remove.h b/src/remove.h
index fa81a4f36..08b0b25df 100644
--- a/src/remove.h
+++ b/src/remove.h
@@ -1,6 +1,6 @@
 /* Remove directory entries.
 
-   Copyright (C) 1998-2023 Free Software Foundation, Inc.
+   Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/rm.c b/src/rm.c
index 61beef061..c1e50bb67 100644
--- a/src/rm.c
+++ b/src/rm.c
@@ -1,5 +1,5 @@
 /* 'rm' file deletion utility for GNU.
-   Copyright (C) 1988-2023 Free Software Foundation, Inc.
+   Copyright (C) 1988-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/rmdir.c b/src/rmdir.c
index 1a95869d0..38c9a24f3 100644
--- a/src/rmdir.c
+++ b/src/rmdir.c
@@ -1,6 +1,6 @@
 /* rmdir -- remove directories
 
-   Copyright (C) 1990-2023 Free Software Foundation, Inc.
+   Copyright (C) 1990-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/runcon.c b/src/runcon.c
index 048745153..3daeb3d4c 100644
--- a/src/runcon.c
+++ b/src/runcon.c
@@ -1,5 +1,5 @@
 /* runcon -- run command with specified security context
-   Copyright (C) 2005-2023 Free Software Foundation, Inc.
+   Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/selinux.c b/src/selinux.c
index 7fcaab784..d96aa17b2 100644
--- a/src/selinux.c
+++ b/src/selinux.c
@@ -1,5 +1,5 @@
 /* selinux - core functions for maintaining SELinux labeling
-   Copyright (C) 2012-2023 Free Software Foundation, Inc.
+   Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/selinux.h b/src/selinux.h
index 680fc84da..e15f7a649 100644
--- a/src/selinux.h
+++ b/src/selinux.h
@@ -1,5 +1,5 @@
 /* selinux - core functions for maintaining SELinux labeling
-   Copyright (C) 2012-2023 Free Software Foundation, Inc.
+   Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/seq.c b/src/seq.c
index 96d14be1c..3d2c1c2ea 100644
--- a/src/seq.c
+++ b/src/seq.c
@@ -1,5 +1,5 @@
 /* seq - print sequence of numbers to standard output.
-   Copyright (C) 1994-2023 Free Software Foundation, Inc.
+   Copyright (C) 1994-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/set-fields.c b/src/set-fields.c
index 1433e4fd9..0cf1ef247 100644
--- a/src/set-fields.c
+++ b/src/set-fields.c
@@ -1,5 +1,5 @@
 /* set-fields.c -- common functions for parsing field list
-   Copyright (C) 2015-2023 Free Software Foundation, Inc.
+   Copyright (C) 2015-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/set-fields.h b/src/set-fields.h
index 313eea881..4d0903805 100644
--- a/src/set-fields.h
+++ b/src/set-fields.h
@@ -1,6 +1,6 @@
 /* set-fields.h -- parse field list argument
 
-   Copyright (C) 2015-2023 Free Software Foundation, Inc.
+   Copyright (C) 2015-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/shred.c b/src/shred.c
index a7c684f19..564d3cc62 100644
--- a/src/shred.c
+++ b/src/shred.c
@@ -1,6 +1,6 @@
 /* shred.c - overwrite files and devices to make it harder to recover data
 
-   Copyright (C) 1999-2023 Free Software Foundation, Inc.
+   Copyright (C) 1999-2024 Free Software Foundation, Inc.
    Copyright (C) 1997, 1998, 1999 Colin Plumb.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/src/shuf.c b/src/shuf.c
index be07c4a47..b7d6bbf31 100644
--- a/src/shuf.c
+++ b/src/shuf.c
@@ -1,6 +1,6 @@
 /* Shuffle lines of text.
 
-   Copyright (C) 2006-2023 Free Software Foundation, Inc.
+   Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/sleep.c b/src/sleep.c
index 22b47934e..eedf8b850 100644
--- a/src/sleep.c
+++ b/src/sleep.c
@@ -1,5 +1,5 @@
 /* sleep - delay for a specified amount of time.
-   Copyright (C) 1984-2023 Free Software Foundation, Inc.
+   Copyright (C) 1984-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/sort.c b/src/sort.c
index 829b17f42..dea7be45d 100644
--- a/src/sort.c
+++ b/src/sort.c
@@ -1,5 +1,5 @@
 /* sort - sort lines of text (with all kinds of options).
-   Copyright (C) 1988-2023 Free Software Foundation, Inc.
+   Copyright (C) 1988-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/split.c b/src/split.c
index 09a642007..64020c859 100644
--- a/src/split.c
+++ b/src/split.c
@@ -1,5 +1,5 @@
 /* split.c -- split a file into pieces.
-   Copyright (C) 1988-2023 Free Software Foundation, Inc.
+   Copyright (C) 1988-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/stat.c b/src/stat.c
index 522e922ed..9aee46dd5 100644
--- a/src/stat.c
+++ b/src/stat.c
@@ -1,5 +1,5 @@
 /* stat.c -- display file or file system status
-   Copyright (C) 2001-2023 Free Software Foundation, Inc.
+   Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/statx.h b/src/statx.h
index dd8cb32b8..7c29597e1 100644
--- a/src/statx.h
+++ b/src/statx.h
@@ -1,5 +1,5 @@
 /* statx -> stat conversion functions for coreutils
-   Copyright (C) 2019-2023 Free Software Foundation, Inc.
+   Copyright (C) 2019-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/stdbuf.c b/src/stdbuf.c
index 65142fd8c..4a4c69a05 100644
--- a/src/stdbuf.c
+++ b/src/stdbuf.c
@@ -1,5 +1,5 @@
 /* stdbuf -- setup the standard streams for a command
-   Copyright (C) 2009-2023 Free Software Foundation, Inc.
+   Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/stty.c b/src/stty.c
index a95a73589..c3cd75cc5 100644
--- a/src/stty.c
+++ b/src/stty.c
@@ -1,5 +1,5 @@
 /* stty -- change and print terminal line settings
-   Copyright (C) 1990-2023 Free Software Foundation, Inc.
+   Copyright (C) 1990-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/sum.c b/src/sum.c
index 36464cacf..8c6979c99 100644
--- a/src/sum.c
+++ b/src/sum.c
@@ -1,5 +1,5 @@
 /* sum -- checksum and count the blocks in a file
-   Copyright (C) 1986-2023 Free Software Foundation, Inc.
+   Copyright (C) 1986-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/sync.c b/src/sync.c
index 22337bcdc..398c192c9 100644
--- a/src/sync.c
+++ b/src/sync.c
@@ -1,5 +1,5 @@
 /* sync - update the super block
-   Copyright (C) 1994-2023 Free Software Foundation, Inc.
+   Copyright (C) 1994-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/system.h b/src/system.h
index c5556ba39..8b3c40d8d 100644
--- a/src/system.h
+++ b/src/system.h
@@ -1,5 +1,5 @@
 /* system-dependent definitions for coreutils
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/tac-pipe.c b/src/tac-pipe.c
index decf66674..ac0508071 100644
--- a/src/tac-pipe.c
+++ b/src/tac-pipe.c
@@ -1,6 +1,6 @@
 /* tac from a pipe.
 
-   Copyright (C) 1997-2023 Free Software Foundation, Inc.
+   Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/tac.c b/src/tac.c
index 4c3655895..44ddaf85b 100644
--- a/src/tac.c
+++ b/src/tac.c
@@ -1,5 +1,5 @@
 /* tac - concatenate and print files in reverse
-   Copyright (C) 1988-2023 Free Software Foundation, Inc.
+   Copyright (C) 1988-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/tail.c b/src/tail.c
index 6979e0ba3..52c081031 100644
--- a/src/tail.c
+++ b/src/tail.c
@@ -1,5 +1,5 @@
 /* tail -- output the last part of file(s)
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/tee.c b/src/tee.c
index 27323a3b2..07d525c95 100644
--- a/src/tee.c
+++ b/src/tee.c
@@ -1,5 +1,5 @@
 /* tee - read from standard input and write to standard output and files.
-   Copyright (C) 1985-2023 Free Software Foundation, Inc.
+   Copyright (C) 1985-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/temp-stream.c b/src/temp-stream.c
index 9150304b3..bce8564c9 100644
--- a/src/temp-stream.c
+++ b/src/temp-stream.c
@@ -1,6 +1,6 @@
 /* temp-stream.c -- provide a stream to a per process temp file
 
-   Copyright (C) 2023 Free Software Foundation, Inc.
+   Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/test.c b/src/test.c
index 4f14e4080..09804cf38 100644
--- a/src/test.c
+++ b/src/test.c
@@ -2,7 +2,7 @@
 
 /* Modified to run with the GNU shell by bfox. */
 
-/* Copyright (C) 1987-2023 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/timeout.c b/src/timeout.c
index 88a1190d0..85d97c0b5 100644
--- a/src/timeout.c
+++ b/src/timeout.c
@@ -1,5 +1,5 @@
 /* timeout -- run a command with bounded time
-   Copyright (C) 2008-2023 Free Software Foundation, Inc.
+   Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/touch.c b/src/touch.c
index 8ce185768..efa4cf679 100644
--- a/src/touch.c
+++ b/src/touch.c
@@ -1,5 +1,5 @@
 /* touch -- change modification and access times of files
-   Copyright (C) 1987-2023 Free Software Foundation, Inc.
+   Copyright (C) 1987-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/tr.c b/src/tr.c
index 292aae1d4..11498ba80 100644
--- a/src/tr.c
+++ b/src/tr.c
@@ -1,5 +1,5 @@
 /* tr -- a filter to translate characters
-   Copyright (C) 1991-2023 Free Software Foundation, Inc.
+   Copyright (C) 1991-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/true.c b/src/true.c
index f65a922d0..b40a41745 100644
--- a/src/true.c
+++ b/src/true.c
@@ -1,5 +1,5 @@
 /* Exit with a status code indicating success.
-   Copyright (C) 1999-2023 Free Software Foundation, Inc.
+   Copyright (C) 1999-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/truncate.c b/src/truncate.c
index 84d9f9791..f1306ff95 100644
--- a/src/truncate.c
+++ b/src/truncate.c
@@ -1,5 +1,5 @@
 /* truncate -- truncate or extend the length of files.
-   Copyright (C) 2008-2023 Free Software Foundation, Inc.
+   Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/tsort.c b/src/tsort.c
index 58bb4874f..7f8428df7 100644
--- a/src/tsort.c
+++ b/src/tsort.c
@@ -1,5 +1,5 @@
 /* tsort - topological sort.
-   Copyright (C) 1998-2023 Free Software Foundation, Inc.
+   Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/tty.c b/src/tty.c
index 641579776..b310fa90b 100644
--- a/src/tty.c
+++ b/src/tty.c
@@ -1,5 +1,5 @@
 /* tty -- print the name of the terminal connected to standard input
-   Copyright (C) 1990-2023 Free Software Foundation, Inc.
+   Copyright (C) 1990-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/uname.c b/src/uname.c
index 883b9a490..bf1b9cd4f 100644
--- a/src/uname.c
+++ b/src/uname.c
@@ -1,6 +1,6 @@
 /* uname -- print system information
 
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/unexpand.c b/src/unexpand.c
index 279c600b0..aca67dd73 100644
--- a/src/unexpand.c
+++ b/src/unexpand.c
@@ -1,5 +1,5 @@
 /* unexpand - convert blanks to tabs
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/uniq.c b/src/uniq.c
index 017b7a6d4..fb1703d60 100644
--- a/src/uniq.c
+++ b/src/uniq.c
@@ -1,5 +1,5 @@
 /* uniq -- remove duplicate lines from a sorted file
-   Copyright (C) 1986-2023 Free Software Foundation, Inc.
+   Copyright (C) 1986-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/unlink.c b/src/unlink.c
index 3bf7a4278..ed5edd1d9 100644
--- a/src/unlink.c
+++ b/src/unlink.c
@@ -1,5 +1,5 @@
 /* unlink utility for GNU.
-   Copyright (C) 2001-2023 Free Software Foundation, Inc.
+   Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/uptime.c b/src/uptime.c
index 55ef2d436..843b10192 100644
--- a/src/uptime.c
+++ b/src/uptime.c
@@ -1,5 +1,5 @@
 /* GNU's uptime.
-   Copyright (C) 1992-2023 Free Software Foundation, Inc.
+   Copyright (C) 1992-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/users.c b/src/users.c
index f89fe65f1..03c3dc534 100644
--- a/src/users.c
+++ b/src/users.c
@@ -1,5 +1,5 @@
 /* GNU's users.
-   Copyright (C) 1992-2023 Free Software Foundation, Inc.
+   Copyright (C) 1992-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/wc.c b/src/wc.c
index 5542ea8fe..f5a921534 100644
--- a/src/wc.c
+++ b/src/wc.c
@@ -1,5 +1,5 @@
 /* wc - print the number of lines, words, and bytes in files
-   Copyright (C) 1985-2023 Free Software Foundation, Inc.
+   Copyright (C) 1985-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/wc_avx2.c b/src/wc_avx2.c
index fa4eb893f..cc0454a46 100644
--- a/src/wc_avx2.c
+++ b/src/wc_avx2.c
@@ -1,5 +1,5 @@
 /* wc_avx - Count the number of newlines with avx2 instructions.
-   Copyright (C) 2021-2023 Free Software Foundation, Inc.
+   Copyright (C) 2021-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/who.c b/src/who.c
index 1440e9b7e..be0cbc6ba 100644
--- a/src/who.c
+++ b/src/who.c
@@ -1,5 +1,5 @@
 /* GNU's who.
-   Copyright (C) 1992-2023 Free Software Foundation, Inc.
+   Copyright (C) 1992-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/whoami.c b/src/whoami.c
index e7a578a58..f64171dfe 100644
--- a/src/whoami.c
+++ b/src/whoami.c
@@ -1,6 +1,6 @@
 /* whoami -- print effective userid
 
-   Copyright (C) 1989-2023 Free Software Foundation, Inc.
+   Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/src/yes.c b/src/yes.c
index 207b407a0..a54f85997 100644
--- a/src/yes.c
+++ b/src/yes.c
@@ -1,5 +1,5 @@
 /* yes - output a string repeatedly until killed
-   Copyright (C) 1991-2023 Free Software Foundation, Inc.
+   Copyright (C) 1991-2024 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/tests/Coreutils.pm b/tests/Coreutils.pm
index f147401d3..18e7bea84 100644
--- a/tests/Coreutils.pm
+++ b/tests/Coreutils.pm
@@ -1,7 +1,7 @@
 package Coreutils;
 # This is a testing framework.
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/CuSkip.pm b/tests/CuSkip.pm
index 10b5e0181..3b270f7a8 100644
--- a/tests/CuSkip.pm
+++ b/tests/CuSkip.pm
@@ -1,7 +1,7 @@
 package CuSkip;
 # Skip a test: emit diag to log and to stderr, and exit 77
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/CuTmpdir.pm b/tests/CuTmpdir.pm
index 10766dda2..916e981c5 100644
--- a/tests/CuTmpdir.pm
+++ b/tests/CuTmpdir.pm
@@ -1,7 +1,7 @@
 package CuTmpdir;
 # create, then chdir into a temporary sub-directory
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/basenc/base64.pl b/tests/basenc/base64.pl
index 0dc8dfe37..70ab025b5 100755
--- a/tests/basenc/base64.pl
+++ b/tests/basenc/base64.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Exercise base{32,64}.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/basenc/basenc.pl b/tests/basenc/basenc.pl
index 3efe37300..79337f6f8 100755
--- a/tests/basenc/basenc.pl
+++ b/tests/basenc/basenc.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Exercise basenc.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cat/cat-E.sh b/tests/cat/cat-E.sh
index 28c02c1d9..fe37c5544 100755
--- a/tests/cat/cat-E.sh
+++ b/tests/cat/cat-E.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright (C) 2021-2023 Free Software Foundation, Inc.
+# Copyright (C) 2021-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cat/cat-buf.sh b/tests/cat/cat-buf.sh
index c8bd69758..0ebf87de0 100755
--- a/tests/cat/cat-buf.sh
+++ b/tests/cat/cat-buf.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that cat outputs processed data immediately.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cat/cat-proc.sh b/tests/cat/cat-proc.sh
index b5b0e5726..283ade400 100755
--- a/tests/cat/cat-proc.sh
+++ b/tests/cat/cat-proc.sh
@@ -2,7 +2,7 @@
 # Ensure that cat -E produces same output as cat, modulo '$'s,
 # even when applied to a file in /proc.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cat/cat-self.sh b/tests/cat/cat-self.sh
index ff2afdcf4..e0f6455c0 100755
--- a/tests/cat/cat-self.sh
+++ b/tests/cat/cat-self.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Check that cat operates correctly when the input is the same as the output.
 
-# Copyright 2014-2023 Free Software Foundation, Inc.
+# Copyright 2014-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chcon/chcon-fail.sh b/tests/chcon/chcon-fail.sh
index e70417d79..4a5c390b1 100755
--- a/tests/chcon/chcon-fail.sh
+++ b/tests/chcon/chcon-fail.sh
@@ -2,7 +2,7 @@
 # Ensure that chcon fails when it should.
 # These tests don't use any actual SE Linux syscalls.
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chcon/chcon.sh b/tests/chcon/chcon.sh
index 7028a95e1..349f9785d 100755
--- a/tests/chcon/chcon.sh
+++ b/tests/chcon/chcon.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # exercise chcon
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chgrp/basic.sh b/tests/chgrp/basic.sh
index f3a359787..43d76fca5 100755
--- a/tests/chgrp/basic.sh
+++ b/tests/chgrp/basic.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # make sure chgrp is reasonable
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chgrp/default-no-deref.sh b/tests/chgrp/default-no-deref.sh
index 22a439a59..eb775c154 100755
--- a/tests/chgrp/default-no-deref.sh
+++ b/tests/chgrp/default-no-deref.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that chgrp -R does not dereference symlinks.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chgrp/deref.sh b/tests/chgrp/deref.sh
index ef10444a9..82507c2cf 100755
--- a/tests/chgrp/deref.sh
+++ b/tests/chgrp/deref.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # see if chgrp can change the group of a symlink
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chgrp/from.sh b/tests/chgrp/from.sh
index 2ddb85889..7b4e51ca1 100755
--- a/tests/chgrp/from.sh
+++ b/tests/chgrp/from.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # make sure chgrp --from=... works
 
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chgrp/no-x.sh b/tests/chgrp/no-x.sh
index 8397d80bc..c5a9b941a 100755
--- a/tests/chgrp/no-x.sh
+++ b/tests/chgrp/no-x.sh
@@ -2,7 +2,7 @@
 # Make sure chgrp gives the right diagnostic for a readable,
 # but inaccessible directory.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chgrp/posix-H.sh b/tests/chgrp/posix-H.sh
index e57e25028..597915241 100755
--- a/tests/chgrp/posix-H.sh
+++ b/tests/chgrp/posix-H.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test POSIX-mandated -H option.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chgrp/recurse.sh b/tests/chgrp/recurse.sh
index 3a8b36562..ede285c03 100755
--- a/tests/chgrp/recurse.sh
+++ b/tests/chgrp/recurse.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ad-hoc tests of chgrp with -R and -H or -L and symlinks
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chmod/c-option.sh b/tests/chmod/c-option.sh
index c683d121f..6dfe83311 100755
--- a/tests/chmod/c-option.sh
+++ b/tests/chmod/c-option.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify that chmod's --changes (-c) option works.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chmod/equal-x.sh b/tests/chmod/equal-x.sh
index 6a8de0faa..df9535b2a 100755
--- a/tests/chmod/equal-x.sh
+++ b/tests/chmod/equal-x.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test "chmod =x" and the like.
 
-# Copyright (C) 1999-2023 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chmod/equals.sh b/tests/chmod/equals.sh
index c343e9ce0..e3bd9965b 100755
--- a/tests/chmod/equals.sh
+++ b/tests/chmod/equals.sh
@@ -3,7 +3,7 @@
 # Before fileutils-4.1.2, some of them didn't.
 # Also, before coreutils-5.3.1, =[ugo] sometimes didn't work.
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chmod/ignore-symlink.sh b/tests/chmod/ignore-symlink.sh
index 5ee561b0a..d54d72433 100755
--- a/tests/chmod/ignore-symlink.sh
+++ b/tests/chmod/ignore-symlink.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test for proper exit code of chmod on a processed symlink.
 
-# Copyright (C) 2021-2023 Free Software Foundation, Inc.
+# Copyright (C) 2021-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chmod/inaccessible.sh b/tests/chmod/inaccessible.sh
index 340f75de9..a80cecef2 100755
--- a/tests/chmod/inaccessible.sh
+++ b/tests/chmod/inaccessible.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test for the bug fixed on 2006-09-20.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chmod/no-x.sh b/tests/chmod/no-x.sh
index 50c248027..de4c9ac24 100755
--- a/tests/chmod/no-x.sh
+++ b/tests/chmod/no-x.sh
@@ -2,7 +2,7 @@
 # Make sure chmod gives the right diagnostic for a readable,
 # but inaccessible directory.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chmod/octal.sh b/tests/chmod/octal.sh
index 0cecda4cc..936425912 100755
--- a/tests/chmod/octal.sh
+++ b/tests/chmod/octal.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that chmod diagnoses a certain type of invalid mode string
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chmod/setgid.sh b/tests/chmod/setgid.sh
index d7a4b3e7e..b8f1e4fb4 100755
--- a/tests/chmod/setgid.sh
+++ b/tests/chmod/setgid.sh
@@ -3,7 +3,7 @@
 # on directories with the setgid bit set.  Also, check that the GNU octal
 # notations work.
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chmod/silent.sh b/tests/chmod/silent.sh
index b2ed3e722..74e06e666 100755
--- a/tests/chmod/silent.sh
+++ b/tests/chmod/silent.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that chgrp, chmod, chown -f don't print some diagnostics
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chmod/thru-dangling.sh b/tests/chmod/thru-dangling.sh
index 284c68b3a..e0384f32b 100755
--- a/tests/chmod/thru-dangling.sh
+++ b/tests/chmod/thru-dangling.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test for proper error and exit code of chmod on a dangling symlink.
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chmod/umask-x.sh b/tests/chmod/umask-x.sh
index cd8c275e0..3d8b8ed08 100755
--- a/tests/chmod/umask-x.sh
+++ b/tests/chmod/umask-x.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test that chmod -x file reports an error if the result is executable.
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chmod/usage.sh b/tests/chmod/usage.sh
index e83270b16..ed5aaa10b 100755
--- a/tests/chmod/usage.sh
+++ b/tests/chmod/usage.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify that chmod works correctly with odd option combinations.
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chown/basic.sh b/tests/chown/basic.sh
index 0565ba472..4c116b66e 100755
--- a/tests/chown/basic.sh
+++ b/tests/chown/basic.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # make sure chown --from=... works
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chown/deref.sh b/tests/chown/deref.sh
index d669a7c71..02bf12dad 100755
--- a/tests/chown/deref.sh
+++ b/tests/chown/deref.sh
@@ -2,7 +2,7 @@
 # For coreutils-5.2.1 and earlier, chown --dereference would skip
 # symlinks having owner/group matching the specified owner/group.
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chown/preserve-root.sh b/tests/chown/preserve-root.sh
index 4ef8662e7..3375a496c 100755
--- a/tests/chown/preserve-root.sh
+++ b/tests/chown/preserve-root.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify that --preserve-root works.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chown/separator.sh b/tests/chown/separator.sh
index 7901cf81a..d2bb67ce4 100755
--- a/tests/chown/separator.sh
+++ b/tests/chown/separator.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure "chown USER:GROUP FILE" works, and similar tests with separators.
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chroot/chroot-credentials.sh b/tests/chroot/chroot-credentials.sh
index 19f42197d..f1858906d 100755
--- a/tests/chroot/chroot-credentials.sh
+++ b/tests/chroot/chroot-credentials.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify that the credentials are changed correctly.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/chroot/chroot-fail.sh b/tests/chroot/chroot-fail.sh
index e5d671efd..d07e2cd57 100755
--- a/tests/chroot/chroot-fail.sh
+++ b/tests/chroot/chroot-fail.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify that internal failure in chroot gives exact status.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cksum/b2sum.sh b/tests/cksum/b2sum.sh
index 475faa2bc..cc480a478 100755
--- a/tests/cksum/b2sum.sh
+++ b/tests/cksum/b2sum.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # 'b2sum' tests
 
-# Copyright (C) 2016-2023 Free Software Foundation, Inc.
+# Copyright (C) 2016-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cksum/cksum-a.sh b/tests/cksum/cksum-a.sh
index ec93fdd25..f01e78a3a 100755
--- a/tests/cksum/cksum-a.sh
+++ b/tests/cksum/cksum-a.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Validate cksum --algorithm operation
 
-# Copyright (C) 2021-2023 Free Software Foundation, Inc.
+# Copyright (C) 2021-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cksum/cksum-base64.pl b/tests/cksum/cksum-base64.pl
index 0c4dd1e22..a037a1628 100755
--- a/tests/cksum/cksum-base64.pl
+++ b/tests/cksum/cksum-base64.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Exercise cksum's --base64 option.
 
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cksum/cksum-c.sh b/tests/cksum/cksum-c.sh
index d645c1b32..aad626607 100755
--- a/tests/cksum/cksum-c.sh
+++ b/tests/cksum/cksum-c.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Validate cksum --check dynamic operation
 
-# Copyright (C) 2021-2023 Free Software Foundation, Inc.
+# Copyright (C) 2021-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cksum/cksum-raw.sh b/tests/cksum/cksum-raw.sh
index a5f14be88..b83371098 100755
--- a/tests/cksum/cksum-raw.sh
+++ b/tests/cksum/cksum-raw.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Validate cksum --raw operation
 
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cksum/cksum.sh b/tests/cksum/cksum.sh
index 21869fa7a..62a4dd424 100755
--- a/tests/cksum/cksum.sh
+++ b/tests/cksum/cksum.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Validate cksum operation
 
-# Copyright (C) 2020-2023 Free Software Foundation, Inc.
+# Copyright (C) 2020-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cksum/md5sum-bsd.sh b/tests/cksum/md5sum-bsd.sh
index 2c7cd4d4f..788886b51 100755
--- a/tests/cksum/md5sum-bsd.sh
+++ b/tests/cksum/md5sum-bsd.sh
@@ -2,7 +2,7 @@
 # 'md5sum' tests for generation and checking of
 # BSD traditional and alternate formats (md5 [-r])
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cksum/md5sum-newline.pl b/tests/cksum/md5sum-newline.pl
index feaebb49e..c5c893324 100755
--- a/tests/cksum/md5sum-newline.pl
+++ b/tests/cksum/md5sum-newline.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Newline tests for "md5sum".
 
-# Copyright (C) 1999-2023 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cksum/md5sum-parallel.sh b/tests/cksum/md5sum-parallel.sh
index 99da9ad6b..27d4779e4 100755
--- a/tests/cksum/md5sum-parallel.sh
+++ b/tests/cksum/md5sum-parallel.sh
@@ -2,7 +2,7 @@
 # Ensure that md5sum prints each checksum atomically
 # so that concurrent md5sums don't intersperse their output
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cksum/md5sum.pl b/tests/cksum/md5sum.pl
index d712664b2..7a165c569 100755
--- a/tests/cksum/md5sum.pl
+++ b/tests/cksum/md5sum.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Basic tests for "md5sum".
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cksum/sha1sum-vec.pl b/tests/cksum/sha1sum-vec.pl
index 7fed5fe37..b456309a6 100755
--- a/tests/cksum/sha1sum-vec.pl
+++ b/tests/cksum/sha1sum-vec.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Sample vectors for "sha1sum".
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cksum/sha1sum.pl b/tests/cksum/sha1sum.pl
index 40675cf7d..4fa1c759b 100755
--- a/tests/cksum/sha1sum.pl
+++ b/tests/cksum/sha1sum.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test "sha1sum".
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cksum/sha224sum.pl b/tests/cksum/sha224sum.pl
index 62710d7d2..b00a48d87 100755
--- a/tests/cksum/sha224sum.pl
+++ b/tests/cksum/sha224sum.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test "sha224sum".
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cksum/sha256sum.pl b/tests/cksum/sha256sum.pl
index 7fa0b8a20..b3574e6fa 100755
--- a/tests/cksum/sha256sum.pl
+++ b/tests/cksum/sha256sum.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test "sha256sum".
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cksum/sha384sum.pl b/tests/cksum/sha384sum.pl
index dd0b1c95c..41ca5ea4c 100755
--- a/tests/cksum/sha384sum.pl
+++ b/tests/cksum/sha384sum.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test "sha384sum".
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cksum/sha512sum.pl b/tests/cksum/sha512sum.pl
index 8cabe368e..b7e6a8ed3 100755
--- a/tests/cksum/sha512sum.pl
+++ b/tests/cksum/sha512sum.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test "sha512sum".
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cksum/sm3sum.pl b/tests/cksum/sm3sum.pl
index 6356ae4aa..1e8a0b3da 100755
--- a/tests/cksum/sm3sum.pl
+++ b/tests/cksum/sm3sum.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test "cksum -a sm3".
 
-# Copyright (C) 2021-2023 Free Software Foundation, Inc.
+# Copyright (C) 2021-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cksum/sum-sysv.sh b/tests/cksum/sum-sysv.sh
index bb3919012..bb269c19d 100755
--- a/tests/cksum/sum-sysv.sh
+++ b/tests/cksum/sum-sysv.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # make sure 'sum -s' works for input whose sum of bytes is larger than 2^32
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cksum/sum.pl b/tests/cksum/sum.pl
index abcecbc7f..f9dcfb7b5 100755
--- a/tests/cksum/sum.pl
+++ b/tests/cksum/sum.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test "sum".
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/abuse.sh b/tests/cp/abuse.sh
index 8c3eee1ba..cdb6a738e 100755
--- a/tests/cp/abuse.sh
+++ b/tests/cp/abuse.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that cp does not write through a just-copied symlink
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/acl.sh b/tests/cp/acl.sh
index 6d0170d61..b8d7a143a 100755
--- a/tests/cp/acl.sh
+++ b/tests/cp/acl.sh
@@ -2,7 +2,7 @@
 # copy files/directories across file system boundaries
 # and make sure acls are preserved appropriately
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/attr-existing.sh b/tests/cp/attr-existing.sh
index 47772ab8e..b69852571 100755
--- a/tests/cp/attr-existing.sh
+++ b/tests/cp/attr-existing.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure cp --attributes-only doesn't truncate existing data
 
-# Copyright 2012-2023 Free Software Foundation, Inc.
+# Copyright 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/backup-1.sh b/tests/cp/backup-1.sh
index 613d3a487..0bdea7b6d 100755
--- a/tests/cp/backup-1.sh
+++ b/tests/cp/backup-1.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test cp backup.
 
-# Copyright (C) 1997-2023 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/backup-dir.sh b/tests/cp/backup-dir.sh
index c05d9561a..acf235f12 100755
--- a/tests/cp/backup-dir.sh
+++ b/tests/cp/backup-dir.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that cp -b handles directories appropriately
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/backup-is-src.sh b/tests/cp/backup-is-src.sh
index 6534f5e9a..d9811f235 100755
--- a/tests/cp/backup-is-src.sh
+++ b/tests/cp/backup-is-src.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test cp backup to source file.
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/capability.sh b/tests/cp/capability.sh
index be3a7f8ef..6e711bbff 100755
--- a/tests/cp/capability.sh
+++ b/tests/cp/capability.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure cp --preserves copies capabilities
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/copy-FMR.sh b/tests/cp/copy-FMR.sh
index 56d2d646e..2c79f0e2a 100755
--- a/tests/cp/copy-FMR.sh
+++ b/tests/cp/copy-FMR.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Trigger a free-memory read bug in cp from coreutils-[8.11..8.19]
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/cp-HL.sh b/tests/cp/cp-HL.sh
index d5bbedd04..d680d3817 100755
--- a/tests/cp/cp-HL.sh
+++ b/tests/cp/cp-HL.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test cp's -H and -L options
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/cp-a-selinux.sh b/tests/cp/cp-a-selinux.sh
index 8679a01d6..a31b96cce 100755
--- a/tests/cp/cp-a-selinux.sh
+++ b/tests/cp/cp-a-selinux.sh
@@ -4,7 +4,7 @@
 # Check also locally if --preserve=context, -a and --preserve=all
 # does work
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/cp-deref.sh b/tests/cp/cp-deref.sh
index 783ec07f8..a7e74c505 100755
--- a/tests/cp/cp-deref.sh
+++ b/tests/cp/cp-deref.sh
@@ -2,7 +2,7 @@
 # cp -RL dir1 dir2' must handle the case in which each of dir1 and dir2
 # contain a symlink pointing to some third directory.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/cp-i.sh b/tests/cp/cp-i.sh
index a9178a99e..d38268403 100755
--- a/tests/cp/cp-i.sh
+++ b/tests/cp/cp-i.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test whether cp -i prompts in the right place.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/cp-mv-backup.sh b/tests/cp/cp-mv-backup.sh
index 5c3e4fc1f..3f6f4d38b 100755
--- a/tests/cp/cp-mv-backup.sh
+++ b/tests/cp/cp-mv-backup.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test basic --backup functionality for both cp and mv.
 
-# Copyright (C) 1999-2023 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/cp-mv-enotsup-xattr.sh b/tests/cp/cp-mv-enotsup-xattr.sh
index 4b967ebfb..c5633f1c7 100755
--- a/tests/cp/cp-mv-enotsup-xattr.sh
+++ b/tests/cp/cp-mv-enotsup-xattr.sh
@@ -3,7 +3,7 @@
 # as expected on file systems without their support and do show correct
 # diagnostics when required
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/cp-parents.sh b/tests/cp/cp-parents.sh
index 9437504c2..319cb146a 100755
--- a/tests/cp/cp-parents.sh
+++ b/tests/cp/cp-parents.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/cross-dev-symlink.sh b/tests/cp/cross-dev-symlink.sh
index 21340b4aa..c69eded6d 100755
--- a/tests/cp/cross-dev-symlink.sh
+++ b/tests/cp/cross-dev-symlink.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure symlinks can be replaced across devices
 
-# Copyright (C) 2018-2023 Free Software Foundation, Inc.
+# Copyright (C) 2018-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/debug.sh b/tests/cp/debug.sh
index 242894de2..cdd71806b 100755
--- a/tests/cp/debug.sh
+++ b/tests/cp/debug.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that cp --debug works as documented
 
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/deref-slink.sh b/tests/cp/deref-slink.sh
index a0088c3c4..59bf04a52 100755
--- a/tests/cp/deref-slink.sh
+++ b/tests/cp/deref-slink.sh
@@ -2,7 +2,7 @@
 # Demonstrate bug when using -d with an existing destination file
 # that is a symlink.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/dir-rm-dest.sh b/tests/cp/dir-rm-dest.sh
index 5a8233d03..be06d82b2 100755
--- a/tests/cp/dir-rm-dest.sh
+++ b/tests/cp/dir-rm-dest.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # verify cp's --remove-destination option
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/dir-slash.sh b/tests/cp/dir-slash.sh
index d69b8020d..94c2a8adc 100755
--- a/tests/cp/dir-slash.sh
+++ b/tests/cp/dir-slash.sh
@@ -2,7 +2,7 @@
 # Make sure that cp -R DIR1 DIR2 does the right thing
 # when DIR1 is written with a trailing slash.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/dir-vs-file.sh b/tests/cp/dir-vs-file.sh
index f4ce100c9..e811591b7 100755
--- a/tests/cp/dir-vs-file.sh
+++ b/tests/cp/dir-vs-file.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # A directory may not replace an existing file.
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/existing-perm-dir.sh b/tests/cp/existing-perm-dir.sh
index 16d5f6ced..9ec4f180b 100755
--- a/tests/cp/existing-perm-dir.sh
+++ b/tests/cp/existing-perm-dir.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure cp -p doesn't "restore" permissions it shouldn't (Bug#9170).
 
-# Copyright 2011-2023 Free Software Foundation, Inc.
+# Copyright 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/existing-perm-race.sh b/tests/cp/existing-perm-race.sh
index 44641b4de..cd5375969 100755
--- a/tests/cp/existing-perm-race.sh
+++ b/tests/cp/existing-perm-race.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure cp -p isn't too generous with existing file permissions.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/fail-perm.sh b/tests/cp/fail-perm.sh
index be32d5db6..68a2ca90a 100755
--- a/tests/cp/fail-perm.sh
+++ b/tests/cp/fail-perm.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/file-perm-race.sh b/tests/cp/file-perm-race.sh
index 70368840b..7553c40f4 100755
--- a/tests/cp/file-perm-race.sh
+++ b/tests/cp/file-perm-race.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure cp -p isn't too generous with file permissions.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/into-self.sh b/tests/cp/into-self.sh
index fb2e8200c..789f46d64 100755
--- a/tests/cp/into-self.sh
+++ b/tests/cp/into-self.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Confirm that copying a directory into itself gets a proper diagnostic.
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/link-deref.sh b/tests/cp/link-deref.sh
index 28b20a2cb..f468f655b 100755
--- a/tests/cp/link-deref.sh
+++ b/tests/cp/link-deref.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise cp --link's behavior regarding the dereferencing of symbolic links.
 
-# Copyright (C) 2013-2023 Free Software Foundation, Inc.
+# Copyright (C) 2013-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/link-heap.sh b/tests/cp/link-heap.sh
index 42ac9a9a0..c9c59896a 100755
--- a/tests/cp/link-heap.sh
+++ b/tests/cp/link-heap.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that cp --preserve=link --link doesn't waste heap
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/link-no-deref.sh b/tests/cp/link-no-deref.sh
index 2c60ef603..a41e275da 100755
--- a/tests/cp/link-no-deref.sh
+++ b/tests/cp/link-no-deref.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that cp --link --no-dereference works properly
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/link-preserve.sh b/tests/cp/link-preserve.sh
index c938a94bf..ed9abf85d 100755
--- a/tests/cp/link-preserve.sh
+++ b/tests/cp/link-preserve.sh
@@ -2,7 +2,7 @@
 # ensure that 'cp -d' preserves hard-links between command line arguments
 # ensure that --preserve=links works with -RH and -RL
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/link-symlink.sh b/tests/cp/link-symlink.sh
index 8df53843d..ffc6d203d 100755
--- a/tests/cp/link-symlink.sh
+++ b/tests/cp/link-symlink.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that cp -a --link maintains timestamps if possible
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/link.sh b/tests/cp/link.sh
index e56015495..2e56d6ce4 100755
--- a/tests/cp/link.sh
+++ b/tests/cp/link.sh
@@ -2,7 +2,7 @@
 # Make sure cp --link -f works when the target exists.
 # This failed for 4.0z (due to a bug introduced in that test release).
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/nfs-removal-race.sh b/tests/cp/nfs-removal-race.sh
index 679397ec1..9c5764db7 100755
--- a/tests/cp/nfs-removal-race.sh
+++ b/tests/cp/nfs-removal-race.sh
@@ -13,7 +13,7 @@
 # This test is skipped on systems that lack LD_PRELOAD support; that's fine.
 # Similarly, on a system that lacks <dlfcn.h> or __xstat, skipping it is fine.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/no-ctx.sh b/tests/cp/no-ctx.sh
index 6296f6aa3..16b86b4cb 100755
--- a/tests/cp/no-ctx.sh
+++ b/tests/cp/no-ctx.sh
@@ -4,7 +4,7 @@
 # This test is skipped on systems that lack LD_PRELOAD support; that's fine.
 # Similarly, on a system that lacks lgetfilecon altogether, skipping it is fine.
 
-# Copyright (C) 2014-2023 Free Software Foundation, Inc.
+# Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/no-deref-link1.sh b/tests/cp/no-deref-link1.sh
index 3b3d9922b..781c4cf37 100755
--- a/tests/cp/no-deref-link1.sh
+++ b/tests/cp/no-deref-link1.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # cp from 3.16 fails this test
 
-# Copyright (C) 1997-2023 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/no-deref-link2.sh b/tests/cp/no-deref-link2.sh
index 6eb47a8b1..9e1c1f881 100755
--- a/tests/cp/no-deref-link2.sh
+++ b/tests/cp/no-deref-link2.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # cp from 3.16 fails this test
 
-# Copyright (C) 1997-2023 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/no-deref-link3.sh b/tests/cp/no-deref-link3.sh
index 1d7d7049c..76a714b1b 100755
--- a/tests/cp/no-deref-link3.sh
+++ b/tests/cp/no-deref-link3.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # cp from 3.16 fails this test
 
-# Copyright (C) 1997-2023 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/parent-perm-race.sh b/tests/cp/parent-perm-race.sh
index 694ffd998..2ef19461c 100755
--- a/tests/cp/parent-perm-race.sh
+++ b/tests/cp/parent-perm-race.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure cp -pR --parents isn't too generous with parent permissions.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/parent-perm.sh b/tests/cp/parent-perm.sh
index a79164eeb..13cdfdc32 100755
--- a/tests/cp/parent-perm.sh
+++ b/tests/cp/parent-perm.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that cp --parents works properly with a preexisting dest. directory
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/perm.sh b/tests/cp/perm.sh
index c6414aaf3..8dddf0160 100755
--- a/tests/cp/perm.sh
+++ b/tests/cp/perm.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure the permission-preserving code in copy.c (mv, cp, install) works.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/preserve-2.sh b/tests/cp/preserve-2.sh
index ed1a9c122..276f50d5b 100755
--- a/tests/cp/preserve-2.sh
+++ b/tests/cp/preserve-2.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that cp's --preserve=X,Y option is parsed properly
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/preserve-gid.sh b/tests/cp/preserve-gid.sh
index 4add028c9..ce405a08b 100755
--- a/tests/cp/preserve-gid.sh
+++ b/tests/cp/preserve-gid.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify that cp -p preserves GID when it is possible.
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/preserve-link.sh b/tests/cp/preserve-link.sh
index 83b34675a..54f03201c 100755
--- a/tests/cp/preserve-link.sh
+++ b/tests/cp/preserve-link.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise the fix for https://bugs.gnu.org/8419
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/preserve-mode.sh b/tests/cp/preserve-mode.sh
index d27801cb9..808cf62f5 100755
--- a/tests/cp/preserve-mode.sh
+++ b/tests/cp/preserve-mode.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Check whether cp generates files with correct modes.
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/preserve-slink-time.sh b/tests/cp/preserve-slink-time.sh
index e689f0d84..ec295c502 100755
--- a/tests/cp/preserve-slink-time.sh
+++ b/tests/cp/preserve-slink-time.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify that cp -Pp preserves times even on symlinks.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/proc-short-read.sh b/tests/cp/proc-short-read.sh
index 806fe285b..a579b64d5 100755
--- a/tests/cp/proc-short-read.sh
+++ b/tests/cp/proc-short-read.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # exercise cp's short-read failure when operating on >4KB files in /proc
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/proc-zero-len.sh b/tests/cp/proc-zero-len.sh
index 243fb40a3..ee9f81af3 100755
--- a/tests/cp/proc-zero-len.sh
+++ b/tests/cp/proc-zero-len.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that cp copies contents of non-empty "regular" file with st_size==0
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/r-vs-symlink.sh b/tests/cp/r-vs-symlink.sh
index 64b23dcda..bdab5883b 100755
--- a/tests/cp/r-vs-symlink.sh
+++ b/tests/cp/r-vs-symlink.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # cp -r should not create symlinks.  Fixed in fileutils-4.1.5.
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/reflink-auto.sh b/tests/cp/reflink-auto.sh
index dcf6e239b..a723b5759 100755
--- a/tests/cp/reflink-auto.sh
+++ b/tests/cp/reflink-auto.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test cp --reflink=auto
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/reflink-perm.sh b/tests/cp/reflink-perm.sh
index 480076f46..03455128b 100755
--- a/tests/cp/reflink-perm.sh
+++ b/tests/cp/reflink-perm.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test cp --reflink copies permissions
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/same-file.sh b/tests/cp/same-file.sh
index 03f66ba8f..57c163ec3 100755
--- a/tests/cp/same-file.sh
+++ b/tests/cp/same-file.sh
@@ -2,7 +2,7 @@
 # Test some of cp's options and how cp handles situations in
 # which a naive implementation might overwrite the source file.
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/slink-2-slink.sh b/tests/cp/slink-2-slink.sh
index 00e3feeb3..bd822dd43 100755
--- a/tests/cp/slink-2-slink.sh
+++ b/tests/cp/slink-2-slink.sh
@@ -2,7 +2,7 @@
 # 'test cp --update A B' where A and B are both symlinks that point
 # to the same file
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/sparse-2.sh b/tests/cp/sparse-2.sh
index 5d3c5ece9..330132f54 100755
--- a/tests/cp/sparse-2.sh
+++ b/tests/cp/sparse-2.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise a few more corners of the copying code.
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/sparse-extents-2.sh b/tests/cp/sparse-extents-2.sh
index 575dbbfc6..13b70d756 100755
--- a/tests/cp/sparse-extents-2.sh
+++ b/tests/cp/sparse-extents-2.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test cp --sparse=always through SEEK_DATA copy
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/sparse-extents.sh b/tests/cp/sparse-extents.sh
index 5009f098c..091f8c344 100755
--- a/tests/cp/sparse-extents.sh
+++ b/tests/cp/sparse-extents.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test cp handles extents correctly
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/sparse-perf.sh b/tests/cp/sparse-perf.sh
index 793ecee18..5dd7c83b0 100755
--- a/tests/cp/sparse-perf.sh
+++ b/tests/cp/sparse-perf.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that a sparse file is copied efficiently, by default
 
-# Copyright (C) 2021-2023 Free Software Foundation, Inc.
+# Copyright (C) 2021-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/sparse-to-pipe.sh b/tests/cp/sparse-to-pipe.sh
index a33a7b314..c31decc73 100755
--- a/tests/cp/sparse-to-pipe.sh
+++ b/tests/cp/sparse-to-pipe.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # copy a sparse file to a pipe, to exercise some seldom-used parts of copy.c
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/sparse.sh b/tests/cp/sparse.sh
index 12a4380bc..2e930ef70 100755
--- a/tests/cp/sparse.sh
+++ b/tests/cp/sparse.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test cp --sparse=always
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/special-bits.sh b/tests/cp/special-bits.sh
index a9288f5c2..fcc23a81e 100755
--- a/tests/cp/special-bits.sh
+++ b/tests/cp/special-bits.sh
@@ -2,7 +2,7 @@
 # make sure 'cp -p' preserves special bits
 # This works only when run as root.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/special-f.sh b/tests/cp/special-f.sh
index ed70d7a0c..8e970e257 100755
--- a/tests/cp/special-f.sh
+++ b/tests/cp/special-f.sh
@@ -2,7 +2,7 @@
 # Ensure that "cp -Rf fifo E" unlinks E and retries.
 # Up until coreutils-6.10.171, it would not.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/src-base-dot.sh b/tests/cp/src-base-dot.sh
index 70f8921a7..a860c5310 100755
--- a/tests/cp/src-base-dot.sh
+++ b/tests/cp/src-base-dot.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that "mkdir x y; cd y; cp -ab ../x/. ." is a successful, silent, no-op.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/symlink-slash.sh b/tests/cp/symlink-slash.sh
index 5a8cb4f8a..396476ec6 100755
--- a/tests/cp/symlink-slash.sh
+++ b/tests/cp/symlink-slash.sh
@@ -2,7 +2,7 @@
 # Make sure that cp -dR dereferences a symlink arg if its name is
 # written with a trailing slash.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cp/thru-dangling.sh b/tests/cp/thru-dangling.sh
index 1cbb12d11..4ec5ccee9 100755
--- a/tests/cp/thru-dangling.sh
+++ b/tests/cp/thru-dangling.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that cp works as documented, when the destination is a dangling symlink
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/csplit/csplit-1000.sh b/tests/csplit/csplit-1000.sh
index bc34a24ea..318c8a7b7 100755
--- a/tests/csplit/csplit-1000.sh
+++ b/tests/csplit/csplit-1000.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # cause a 1-byte heap buffer overrun
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/csplit/csplit-heap.sh b/tests/csplit/csplit-heap.sh
index 36b286b93..183f7cb46 100755
--- a/tests/csplit/csplit-heap.sh
+++ b/tests/csplit/csplit-heap.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that csplit uses a bounded amount of memory
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/csplit/csplit-io-err.sh b/tests/csplit/csplit-io-err.sh
index 04c0ce003..382b40cec 100755
--- a/tests/csplit/csplit-io-err.sh
+++ b/tests/csplit/csplit-io-err.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure we handle i/o errors correctly in csplit
 
-# Copyright (C) 2015-2023 Free Software Foundation, Inc.
+# Copyright (C) 2015-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/csplit/csplit-suppress-matched.pl b/tests/csplit/csplit-suppress-matched.pl
index 80db7fc6f..49cf8681f 100755
--- a/tests/csplit/csplit-suppress-matched.pl
+++ b/tests/csplit/csplit-suppress-matched.pl
@@ -1,6 +1,6 @@
 #!/usr/bin/perl
 
-# Copyright (C) 2013-2023 Free Software Foundation, Inc.
+# Copyright (C) 2013-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/csplit/csplit.sh b/tests/csplit/csplit.sh
index a27f61eac..4236d99e1 100755
--- a/tests/csplit/csplit.sh
+++ b/tests/csplit/csplit.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # various csplit tests
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cut/cut-huge-range.sh b/tests/cut/cut-huge-range.sh
index 453108cea..37bd2a66a 100755
--- a/tests/cut/cut-huge-range.sh
+++ b/tests/cut/cut-huge-range.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that cut does not allocate mem for large ranges
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/cut/cut.pl b/tests/cut/cut.pl
index 872a24ac8..1670db02e 100755
--- a/tests/cut/cut.pl
+++ b/tests/cut/cut.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test "cut".
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/date/date-debug.sh b/tests/date/date-debug.sh
index f9e42f947..061ef59c9 100755
--- a/tests/date/date-debug.sh
+++ b/tests/date/date-debug.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test 'date --debug' option.
 
-# Copyright (C) 2016-2023 Free Software Foundation, Inc.
+# Copyright (C) 2016-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/date/date-next-dow.pl b/tests/date/date-next-dow.pl
index ec414c788..ed204a193 100755
--- a/tests/date/date-next-dow.pl
+++ b/tests/date/date-next-dow.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test "date".
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/date/date-sec.sh b/tests/date/date-sec.sh
index f18590e6b..cf6d06c0c 100755
--- a/tests/date/date-sec.sh
+++ b/tests/date/date-sec.sh
@@ -3,7 +3,7 @@
 # date --date="21:04 +0100" +%S' always prints '00'.
 # Before coreutils-5.2.1, it would print the seconds from the current time.
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/date/date-tz.sh b/tests/date/date-tz.sh
index f6cf071ba..7ce373c30 100755
--- a/tests/date/date-tz.sh
+++ b/tests/date/date-tz.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify TZ processing.
 
-# Copyright (C) 2017-2023 Free Software Foundation, Inc.
+# Copyright (C) 2017-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/date/date.pl b/tests/date/date.pl
index d18f8b1eb..39339ba2a 100755
--- a/tests/date/date.pl
+++ b/tests/date/date.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test "date".
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/dd/ascii.sh b/tests/dd/ascii.sh
index ccf079f0f..a13627bf7 100755
--- a/tests/dd/ascii.sh
+++ b/tests/dd/ascii.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test conv=ascii
 
-# Copyright (C) 2014-2023 Free Software Foundation, Inc.
+# Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/dd/bytes.sh b/tests/dd/bytes.sh
index d6105ccfd..785f69532 100755
--- a/tests/dd/bytes.sh
+++ b/tests/dd/bytes.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/dd/direct.sh b/tests/dd/direct.sh
index 720966b93..f075f9f72 100755
--- a/tests/dd/direct.sh
+++ b/tests/dd/direct.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that dd's iflag=direct and oflag=direct work
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/dd/misc.sh b/tests/dd/misc.sh
index 695a1ba0f..1b6676363 100755
--- a/tests/dd/misc.sh
+++ b/tests/dd/misc.sh
@@ -2,7 +2,7 @@
 # Ensure dd treats '--' properly.
 # Also test some flag values.
 
-# Copyright (C) 1999-2023 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/dd/no-allocate.sh b/tests/dd/no-allocate.sh
index 5328a4c4c..67ced5047 100755
--- a/tests/dd/no-allocate.sh
+++ b/tests/dd/no-allocate.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # make sure that dd doesn't allocate memory unnecessarily
 
-# Copyright (C) 2013-2023 Free Software Foundation, Inc.
+# Copyright (C) 2013-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/dd/nocache.sh b/tests/dd/nocache.sh
index 029db661b..b3fafe5d4 100755
--- a/tests/dd/nocache.sh
+++ b/tests/dd/nocache.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure dd handles the 'nocache' flag
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/dd/nocache_eof.sh b/tests/dd/nocache_eof.sh
index ca36032f1..72fd497e4 100755
--- a/tests/dd/nocache_eof.sh
+++ b/tests/dd/nocache_eof.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure dd invalidates to EOF when appropriate
 
-# Copyright (C) 2017-2023 Free Software Foundation, Inc.
+# Copyright (C) 2017-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/dd/not-rewound.sh b/tests/dd/not-rewound.sh
index 278e6cacd..c9f2b2b80 100755
--- a/tests/dd/not-rewound.sh
+++ b/tests/dd/not-rewound.sh
@@ -2,7 +2,7 @@
 # Make sure dd does the right thing when the input file descriptor
 # is not rewound.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/dd/reblock.sh b/tests/dd/reblock.sh
index 125f0d4e4..bd6fa9d3d 100755
--- a/tests/dd/reblock.sh
+++ b/tests/dd/reblock.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test dd reblocking vs. bs=
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/dd/skip-seek-past-dev.sh b/tests/dd/skip-seek-past-dev.sh
index 6e92df375..bac2c7fab 100755
--- a/tests/dd/skip-seek-past-dev.sh
+++ b/tests/dd/skip-seek-past-dev.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test diagnostics are printed immediately when seeking beyond device.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/dd/skip-seek-past-file.sh b/tests/dd/skip-seek-past-file.sh
index 943057c0c..1f7bc2002 100755
--- a/tests/dd/skip-seek-past-file.sh
+++ b/tests/dd/skip-seek-past-file.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test diagnostics are printed when seeking too far in seekable files.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/dd/skip-seek.pl b/tests/dd/skip-seek.pl
index d53daf01f..151100112 100755
--- a/tests/dd/skip-seek.pl
+++ b/tests/dd/skip-seek.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test dd's skip and seek options.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/dd/skip-seek2.sh b/tests/dd/skip-seek2.sh
index 5abdb4c80..d51d136bd 100755
--- a/tests/dd/skip-seek2.sh
+++ b/tests/dd/skip-seek2.sh
@@ -2,7 +2,7 @@
 # show how to skip an amount that is smaller than the nominal block size.
 # There's a more realistic example in the documentation.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/dd/sparse.sh b/tests/dd/sparse.sh
index c459f4d1a..5194606aa 100755
--- a/tests/dd/sparse.sh
+++ b/tests/dd/sparse.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/dd/stats.sh b/tests/dd/stats.sh
index d486e71d8..babd7b687 100755
--- a/tests/dd/stats.sh
+++ b/tests/dd/stats.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Check stats output for SIG{INFO,USR1} and status=progress
 
-# Copyright (C) 2014-2023 Free Software Foundation, Inc.
+# Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/dd/stderr.sh b/tests/dd/stderr.sh
index e11770815..1ee53471c 100755
--- a/tests/dd/stderr.sh
+++ b/tests/dd/stderr.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure dd recognizes failure to write to stderr.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/dd/unblock-sync.sh b/tests/dd/unblock-sync.sh
index 323416d27..dae119e7a 100755
--- a/tests/dd/unblock-sync.sh
+++ b/tests/dd/unblock-sync.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that dd conv=unblock,sync works.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/dd/unblock.pl b/tests/dd/unblock.pl
index 0e7bcc6bc..24f600ac8 100755
--- a/tests/dd/unblock.pl
+++ b/tests/dd/unblock.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Exercise dd's conv=unblock mode
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/df/df-P.sh b/tests/df/df-P.sh
index f51942c13..12fefb6f5 100755
--- a/tests/df/df-P.sh
+++ b/tests/df/df-P.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that df -P is not affected by BLOCK_SIZE settings
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/df/df-output.sh b/tests/df/df-output.sh
index 6ec601914..f7a36dd09 100755
--- a/tests/df/df-output.sh
+++ b/tests/df/df-output.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise df's --output option.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/df/df-symlink.sh b/tests/df/df-symlink.sh
index 1b24429a6..86cc6dfe3 100755
--- a/tests/df/df-symlink.sh
+++ b/tests/df/df-symlink.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that df dereferences symlinks to file system nodes
 
-# Copyright (C) 2013-2023 Free Software Foundation, Inc.
+# Copyright (C) 2013-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/df/header.sh b/tests/df/header.sh
index a3a658816..89fb44c62 100755
--- a/tests/df/header.sh
+++ b/tests/df/header.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that "df ." outputs a header.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/df/no-mtab-status.sh b/tests/df/no-mtab-status.sh
index fbc8d0aaa..335ebc44a 100755
--- a/tests/df/no-mtab-status.sh
+++ b/tests/df/no-mtab-status.sh
@@ -2,7 +2,7 @@
 # Test df's behavior when the mount list cannot be read.
 # This test is skipped on systems that lack LD_PRELOAD support; that's fine.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/df/over-mount-device.sh b/tests/df/over-mount-device.sh
index d6d40ac90..a800ad843 100755
--- a/tests/df/over-mount-device.sh
+++ b/tests/df/over-mount-device.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that df /dev/loop0 errors out if overmounted by another device
 
-# Copyright (C) 2014-2023 Free Software Foundation, Inc.
+# Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/df/problematic-chars.sh b/tests/df/problematic-chars.sh
index 3fb9a4896..049128e80 100755
--- a/tests/df/problematic-chars.sh
+++ b/tests/df/problematic-chars.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that df outputs one line per entry
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/df/skip-duplicates.sh b/tests/df/skip-duplicates.sh
index 06c03e805..d4952eae1 100755
--- a/tests/df/skip-duplicates.sh
+++ b/tests/df/skip-duplicates.sh
@@ -2,7 +2,7 @@
 # Test df's behavior when the mount list contains duplicate entries.
 # This test is skipped on systems that lack LD_PRELOAD support; that's fine.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/df/skip-rootfs.sh b/tests/df/skip-rootfs.sh
index 98e58dfa3..96a48b416 100755
--- a/tests/df/skip-rootfs.sh
+++ b/tests/df/skip-rootfs.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test df's behavior for skipping the pseudo "rootfs" file system.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/df/total-unprocessed.sh b/tests/df/total-unprocessed.sh
index eae9d5f9c..3060b0258 100755
--- a/tests/df/total-unprocessed.sh
+++ b/tests/df/total-unprocessed.sh
@@ -2,7 +2,7 @@
 # Ensure that df exits non-Zero and writes an error message when
 # --total is used but no file system has been processed.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/df/total-verify.sh b/tests/df/total-verify.sh
index dafc3015e..90afed160 100755
--- a/tests/df/total-verify.sh
+++ b/tests/df/total-verify.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure "df --total" computes accurate totals
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/df/unreadable.sh b/tests/df/unreadable.sh
index 44bcd1949..8d045b2bd 100755
--- a/tests/df/unreadable.sh
+++ b/tests/df/unreadable.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that df can handle an unreadable argument
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/2g.sh b/tests/du/2g.sh
index fe514a716..26967c547 100755
--- a/tests/du/2g.sh
+++ b/tests/du/2g.sh
@@ -3,7 +3,7 @@
 # Before coreutils-5.93, on systems with a signed, 32-bit stat.st_blocks
 # one of du's computations would overflow.
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/8gb.sh b/tests/du/8gb.sh
index 04173d6ac..4f6579766 100755
--- a/tests/du/8gb.sh
+++ b/tests/du/8gb.sh
@@ -2,7 +2,7 @@
 # Ensure that du does not rely on narrow types like size_t for
 # file sizes or sums.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/apparent.sh b/tests/du/apparent.sh
index dba3031d4..aaff6ff37 100755
--- a/tests/du/apparent.sh
+++ b/tests/du/apparent.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise du's --apparent-size option.
 
-# Copyright 2023 Free Software Foundation, Inc.
+# Copyright 2023-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/basic.sh b/tests/du/basic.sh
index 28eeb59f6..3ac0a3e8d 100755
--- a/tests/du/basic.sh
+++ b/tests/du/basic.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Compare actual numbers from du, assuming block size matches mine.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/bigtime.sh b/tests/du/bigtime.sh
index 1ad56ebdc..af9de4c92 100755
--- a/tests/du/bigtime.sh
+++ b/tests/du/bigtime.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise du on a file with a big timestamp.
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/bind-mount-dir-cycle-v2.sh b/tests/du/bind-mount-dir-cycle-v2.sh
index 18e40d286..ac75ef10a 100755
--- a/tests/du/bind-mount-dir-cycle-v2.sh
+++ b/tests/du/bind-mount-dir-cycle-v2.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Check that du can handle sub-bind-mounts cycles as well.
 
-# Copyright (C) 2014-2023 Free Software Foundation, Inc.
+# Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/bind-mount-dir-cycle.sh b/tests/du/bind-mount-dir-cycle.sh
index f2a74fd3c..6c6d2216c 100755
--- a/tests/du/bind-mount-dir-cycle.sh
+++ b/tests/du/bind-mount-dir-cycle.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise du's new ability to handle bind-mount-induced dir cycles.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/deref-args.sh b/tests/du/deref-args.sh
index 64bf6aec5..9ec94324d 100755
--- a/tests/du/deref-args.sh
+++ b/tests/du/deref-args.sh
@@ -2,7 +2,7 @@
 # Ensure that --dereference-args (-D) gives reasonable names.
 # This test would fail for coreutils-5.0.91.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/deref.sh b/tests/du/deref.sh
index f16d87a0c..f64cfc43d 100755
--- a/tests/du/deref.sh
+++ b/tests/du/deref.sh
@@ -4,7 +4,7 @@
 # Also, up to coreutils-8.5, du -L sometimes incorrectly
 # counted the space of the followed symlinks.
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/exclude.sh b/tests/du/exclude.sh
index 2fea396be..a52709e89 100755
--- a/tests/du/exclude.sh
+++ b/tests/du/exclude.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # make sure du's --exclude option works
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/fd-leak.sh b/tests/du/fd-leak.sh
index 4b5c60721..4844008e6 100755
--- a/tests/du/fd-leak.sh
+++ b/tests/du/fd-leak.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # check for file descriptor leak
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/files0-from-dir.sh b/tests/du/files0-from-dir.sh
index 352a05932..98096f64b 100755
--- a/tests/du/files0-from-dir.sh
+++ b/tests/du/files0-from-dir.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that du and wc handle --files0-from=DIR
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/files0-from.pl b/tests/du/files0-from.pl
index ffaae85e2..ab1edfd52 100755
--- a/tests/du/files0-from.pl
+++ b/tests/du/files0-from.pl
@@ -2,7 +2,7 @@
 # Exercise du's --files0-from option.
 # FIXME: keep this file in sync with tests/misc/wc-files0-from.
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/hard-link.sh b/tests/du/hard-link.sh
index 783003ef6..6c18f2a1b 100755
--- a/tests/du/hard-link.sh
+++ b/tests/du/hard-link.sh
@@ -3,7 +3,7 @@
 # Likewise for excluded directories.
 # Ensure that hard links _are_ listed twice when using --count-links.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/inacc-dest.sh b/tests/du/inacc-dest.sh
index e6049cabb..e62decc90 100755
--- a/tests/du/inacc-dest.sh
+++ b/tests/du/inacc-dest.sh
@@ -2,7 +2,7 @@
 # Prior to coreutils-6.5, an inaccessible destination dir (chmod a-x)
 # would cause du to exit prematurely on systems with native openat support.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/inacc-dir.sh b/tests/du/inacc-dir.sh
index 5e320b1f5..747a1427c 100755
--- a/tests/du/inacc-dir.sh
+++ b/tests/du/inacc-dir.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 # Ensure that du counts the size of an inaccessible directory.
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/inaccessible-cwd.sh b/tests/du/inaccessible-cwd.sh
index be0e6849b..56df597e3 100755
--- a/tests/du/inaccessible-cwd.sh
+++ b/tests/du/inaccessible-cwd.sh
@@ -2,7 +2,7 @@
 # Ensure that even when run from an inaccessible directory, du can still
 # operate on accessible directories elsewhere.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/inodes.sh b/tests/du/inodes.sh
index 1067d0e8e..e10de7fae 100755
--- a/tests/du/inodes.sh
+++ b/tests/du/inodes.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # exercise du's --inodes option
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/long-from-unreadable.sh b/tests/du/long-from-unreadable.sh
index b7763f444..6e57649e2 100755
--- a/tests/du/long-from-unreadable.sh
+++ b/tests/du/long-from-unreadable.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Show fts fails on old-fashioned systems.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/long-sloop.sh b/tests/du/long-sloop.sh
index 16da216cc..c63d4bafc 100755
--- a/tests/du/long-sloop.sh
+++ b/tests/du/long-sloop.sh
@@ -3,7 +3,7 @@
 # Show that du fails with ELOOP (Too many levels of symbolic links)
 # when it encounters that condition.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/max-depth.sh b/tests/du/max-depth.sh
index c3ac8c60a..ad8a1f5de 100755
--- a/tests/du/max-depth.sh
+++ b/tests/du/max-depth.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # exercise du's --max-depth=N option
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/move-dir-while-traversing.sh b/tests/du/move-dir-while-traversing.sh
index aee906569..830a69efa 100755
--- a/tests/du/move-dir-while-traversing.sh
+++ b/tests/du/move-dir-while-traversing.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Trigger a failed assertion in coreutils-8.9 and earlier.
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/no-deref.sh b/tests/du/no-deref.sh
index afcdc5dba..f610d0da1 100755
--- a/tests/du/no-deref.sh
+++ b/tests/du/no-deref.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that by default, du doesn't dereference command-line symlinks.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/no-x.sh b/tests/du/no-x.sh
index c21f06ca2..6861f98fc 100755
--- a/tests/du/no-x.sh
+++ b/tests/du/no-x.sh
@@ -2,7 +2,7 @@
 # Make sure du gives the right diagnostic for a readable,
 # but inaccessible directory.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/one-file-system.sh b/tests/du/one-file-system.sh
index cdb868aa5..7211030aa 100755
--- a/tests/du/one-file-system.sh
+++ b/tests/du/one-file-system.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test for bugs in du's --one-file-system (-x) option.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/restore-wd.sh b/tests/du/restore-wd.sh
index e4a87a8be..0983a718f 100755
--- a/tests/du/restore-wd.sh
+++ b/tests/du/restore-wd.sh
@@ -2,7 +2,7 @@
 # due to a bug in glibc's ftw.c, in some cases, nftw w/FTW_CHDIR
 # would not restore the working directory.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/slash.sh b/tests/du/slash.sh
index e61f26d28..5ab45b191 100755
--- a/tests/du/slash.sh
+++ b/tests/du/slash.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # 'du /' would omit the '/' on the last line.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/threshold.sh b/tests/du/threshold.sh
index c112f08a1..2a837b575 100755
--- a/tests/du/threshold.sh
+++ b/tests/du/threshold.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise du's --threshold option.
 
-# Copyright (C) 2013-2023 Free Software Foundation, Inc.
+# Copyright (C) 2013-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/trailing-slash.sh b/tests/du/trailing-slash.sh
index bc55fb98b..73912ff9c 100755
--- a/tests/du/trailing-slash.sh
+++ b/tests/du/trailing-slash.sh
@@ -2,7 +2,7 @@
 # Ensure that du works properly for an argument that refers to a
 # symbolic link, and that is specified with a trailing slash.
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/du/two-args.sh b/tests/du/two-args.sh
index 693d53c13..388664ca4 100755
--- a/tests/du/two-args.sh
+++ b/tests/du/two-args.sh
@@ -2,7 +2,7 @@
 # Make sure 'du d/1 d/2' works.
 # That command failed with du from fileutils-4.0q.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/env/env-S-script.sh b/tests/env/env-S-script.sh
index 1d9b3e268..d4f6a6e7d 100755
--- a/tests/env/env-S-script.sh
+++ b/tests/env/env-S-script.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test env -S in a #! line of a script.
 
-# Copyright (C) 2018-2023 Free Software Foundation, Inc.
+# Copyright (C) 2018-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/env/env-S.pl b/tests/env/env-S.pl
index 710ca82cf..71d2428ee 100755
--- a/tests/env/env-S.pl
+++ b/tests/env/env-S.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test 'env -S' feature
 
-# Copyright (C) 2018-2023 Free Software Foundation, Inc.
+# Copyright (C) 2018-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/env/env-null.sh b/tests/env/env-null.sh
index fac66754c..c72f7df60 100755
--- a/tests/env/env-null.sh
+++ b/tests/env/env-null.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify behavior of env -0 and printenv -0.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/env/env-signal-handler.sh b/tests/env/env-signal-handler.sh
index 7fc7fd635..5c4ac09ef 100755
--- a/tests/env/env-signal-handler.sh
+++ b/tests/env/env-signal-handler.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test env --default-signal=PIPE feature.
 
-# Copyright (C) 2019-2023 Free Software Foundation, Inc.
+# Copyright (C) 2019-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/env/env.sh b/tests/env/env.sh
index 25241afc5..1a4b1a53f 100755
--- a/tests/env/env.sh
+++ b/tests/env/env.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify behavior of env.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/envvar-check b/tests/envvar-check
index 0c9a73064..1837e0125 100644
--- a/tests/envvar-check
+++ b/tests/envvar-check
@@ -1,7 +1,7 @@
 # -*- sh -*-
 # Check environment variables for sane values while testing.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/expr/expr-multibyte.pl b/tests/expr/expr-multibyte.pl
index 4d763d687..db18d673d 100755
--- a/tests/expr/expr-multibyte.pl
+++ b/tests/expr/expr-multibyte.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Exercise expr with multibyte input
 
-# Copyright (C) 2017-2023 Free Software Foundation, Inc.
+# Copyright (C) 2017-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/expr/expr.pl b/tests/expr/expr.pl
index f12f30b5f..a2e29687b 100755
--- a/tests/expr/expr.pl
+++ b/tests/expr/expr.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Basic tests for "expr".
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/factor/create-test.sh b/tests/factor/create-test.sh
index 25885aafe..eda52f89c 100755
--- a/tests/factor/create-test.sh
+++ b/tests/factor/create-test.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Create the factor test scripts.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 test_name=$1
 template=$2
diff --git a/tests/factor/factor-parallel.sh b/tests/factor/factor-parallel.sh
index 9a3d62ac1..cf485362c 100755
--- a/tests/factor/factor-parallel.sh
+++ b/tests/factor/factor-parallel.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test for complete lines on output
 
-# Copyright (C) 2015-2023 Free Software Foundation, Inc.
+# Copyright (C) 2015-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/factor/factor.pl b/tests/factor/factor.pl
index 6e612e418..b1406c266 100755
--- a/tests/factor/factor.pl
+++ b/tests/factor/factor.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Basic tests for "factor".
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/factor/run.sh b/tests/factor/run.sh
index 1f9be3d74..c9023e389 100755
--- a/tests/factor/run.sh
+++ b/tests/factor/run.sh
@@ -10,7 +10,7 @@
 #
 # See: tests/factor/create-test.sh
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
 
diff --git a/tests/fmt/base.pl b/tests/fmt/base.pl
index 667a97d08..92dc01551 100755
--- a/tests/fmt/base.pl
+++ b/tests/fmt/base.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Basic tests for "fmt".
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/fmt/goal-option.sh b/tests/fmt/goal-option.sh
index 60e351263..61ce8cc2f 100755
--- a/tests/fmt/goal-option.sh
+++ b/tests/fmt/goal-option.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise the fmt -g option.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/fmt/long-line.sh b/tests/fmt/long-line.sh
index 9bfc18177..bf872f3d4 100755
--- a/tests/fmt/long-line.sh
+++ b/tests/fmt/long-line.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # make sure fmt -s works even on long lines
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/fmt/non-space.sh b/tests/fmt/non-space.sh
index 584e8b16d..7862748a5 100755
--- a/tests/fmt/non-space.sh
+++ b/tests/fmt/non-space.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test fmt space handling
 
-# Copyright (C) 2022-2023 Free Software Foundation, Inc.
+# Copyright (C) 2022-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/groups/groups-dash.sh b/tests/groups/groups-dash.sh
index a979bc8d6..4ac0b68b5 100755
--- a/tests/groups/groups-dash.sh
+++ b/tests/groups/groups-dash.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure groups handles -- sanely
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/groups/groups-process-all.sh b/tests/groups/groups-process-all.sh
index 2e455c78a..0bc3a169a 100755
--- a/tests/groups/groups-process-all.sh
+++ b/tests/groups/groups-process-all.sh
@@ -2,7 +2,7 @@
 # Ensure groups processes all arguments before exiting.
 # With coreutils-2.27 and prior, it would exit upon first failure.
 
-# Copyright (C) 2017-2023 Free Software Foundation, Inc.
+# Copyright (C) 2017-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/groups/groups-version.sh b/tests/groups/groups-version.sh
index c177e3225..994ed0647 100755
--- a/tests/groups/groups-version.sh
+++ b/tests/groups/groups-version.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure groups --version output is similar to id --version
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/head/head-c.sh b/tests/head/head-c.sh
index 052caa73d..efd793cd4 100755
--- a/tests/head/head-c.sh
+++ b/tests/head/head-c.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # exercise head -c
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/head/head-elide-tail.pl b/tests/head/head-elide-tail.pl
index 221b45a80..319cba537 100755
--- a/tests/head/head-elide-tail.pl
+++ b/tests/head/head-elide-tail.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Exercise head's --bytes=-N option.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/head/head-pos.sh b/tests/head/head-pos.sh
index c24edd161..68311f15e 100755
--- a/tests/head/head-pos.sh
+++ b/tests/head/head-pos.sh
@@ -2,7 +2,7 @@
 # When reading a specified number of lines, ensure that the output
 # file pointer is positioned just after those lines.
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/head/head-write-error.sh b/tests/head/head-write-error.sh
index 25cebe100..e8b154ffd 100755
--- a/tests/head/head-write-error.sh
+++ b/tests/head/head-write-error.sh
@@ -2,7 +2,7 @@
 # Ensure we diagnose and not continue writing to
 # the output if we get a write error.
 
-# Copyright (C) 2014-2023 Free Software Foundation, Inc.
+# Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/head/head.pl b/tests/head/head.pl
index 56a1b3582..0d82a3b3e 100755
--- a/tests/head/head.pl
+++ b/tests/head/head.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # test head
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/help/help-version-getopt.sh b/tests/help/help-version-getopt.sh
index 6e61b0f63..474bf1eb9 100755
--- a/tests/help/help-version-getopt.sh
+++ b/tests/help/help-version-getopt.sh
@@ -2,7 +2,7 @@
 # Ensure --version and --help options are processed before
 # any other options by some programs.
 
-# Copyright (C) 2019-2023 Free Software Foundation, Inc.
+# Copyright (C) 2019-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/help/help-version.sh b/tests/help/help-version.sh
index f0ef47518..e085a742e 100755
--- a/tests/help/help-version.sh
+++ b/tests/help/help-version.sh
@@ -2,7 +2,7 @@
 # Make sure all of these programs work properly
 # when invoked with --help or --version.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/id/context.sh b/tests/id/context.sh
index ad7867bd7..4b9c9fb12 100755
--- a/tests/id/context.sh
+++ b/tests/id/context.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 # Ensure that "id" outputs SELinux context only without specified user
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/id/gnu-zero-uids.sh b/tests/id/gnu-zero-uids.sh
index 10e028f21..ce6e53811 100755
--- a/tests/id/gnu-zero-uids.sh
+++ b/tests/id/gnu-zero-uids.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # On GNU, 'id' must fail for processes with zero UIDs.
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/id/no-context.sh b/tests/id/no-context.sh
index 449938b76..3308d5d22 100755
--- a/tests/id/no-context.sh
+++ b/tests/id/no-context.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # With POSIXLY_CORRECT, id must not print context=...
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/id/setgid.sh b/tests/id/setgid.sh
index f106b13a1..29491e285 100755
--- a/tests/id/setgid.sh
+++ b/tests/id/setgid.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify that id [-G] prints the right group when run set-GID.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/id/smack.sh b/tests/id/smack.sh
index d86726eb3..c412df0e7 100755
--- a/tests/id/smack.sh
+++ b/tests/id/smack.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # SMACK test for the id-command.
 # Derived from tests/id/context.sh and tests/id/no-context.sh.
-# Copyright (C) 2014-2023 Free Software Foundation, Inc.
+# Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/id/uid.sh b/tests/id/uid.sh
index 41353a886..6b7b30923 100755
--- a/tests/id/uid.sh
+++ b/tests/id/uid.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 # Ensure that "id" works with numeric user ids
-# Copyright (C) 2013-2023 Free Software Foundation, Inc.
+# Copyright (C) 2013-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/id/zero.sh b/tests/id/zero.sh
index 3813fcd5e..29d922de3 100755
--- a/tests/id/zero.sh
+++ b/tests/id/zero.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise "id --zero".
 
-# Copyright (C) 2013-2023 Free Software Foundation, Inc.
+# Copyright (C) 2013-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/init.sh b/tests/init.sh
index 0494097e9..aef5eea80 100755
--- a/tests/init.sh
+++ b/tests/init.sh
@@ -1,6 +1,6 @@
 # source this file; set up for tests
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/install/basic-1.sh b/tests/install/basic-1.sh
index 349c1a7d6..2f8fb3019 100755
--- a/tests/install/basic-1.sh
+++ b/tests/install/basic-1.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Basic tests for "install".
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/install/create-leading.sh b/tests/install/create-leading.sh
index 8dcfdb154..59536b8aa 100755
--- a/tests/install/create-leading.sh
+++ b/tests/install/create-leading.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test -D option.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/install/d-slashdot.sh b/tests/install/d-slashdot.sh
index e86a934c3..1d60f71cb 100755
--- a/tests/install/d-slashdot.sh
+++ b/tests/install/d-slashdot.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that ginstall -d works with arguments specified with a trailing "/.".
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/install/install-C-root.sh b/tests/install/install-C-root.sh
index edf6e7e46..ba51df906 100755
--- a/tests/install/install-C-root.sh
+++ b/tests/install/install-C-root.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure "install -C" compares owner and group.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/install/install-C-selinux.sh b/tests/install/install-C-selinux.sh
index 8441c074d..62d7bbf59 100755
--- a/tests/install/install-C-selinux.sh
+++ b/tests/install/install-C-selinux.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure "install -C" compares SELinux context.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/install/install-C.sh b/tests/install/install-C.sh
index 9f49ca6d8..a6b332e14 100755
--- a/tests/install/install-C.sh
+++ b/tests/install/install-C.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure "install -C" works. (basic tests)
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/install/install-Z-selinux.sh b/tests/install/install-Z-selinux.sh
index f291d8f08..d8af1960b 100755
--- a/tests/install/install-Z-selinux.sh
+++ b/tests/install/install-Z-selinux.sh
@@ -2,7 +2,7 @@
 # test 'install -Z -D' and 'install -Z -d'
 # based on tests/mkdir/restorecon.sh
 
-# Copyright (C) 2013-2023 Free Software Foundation, Inc.
+# Copyright (C) 2013-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/install/strip-program.sh b/tests/install/strip-program.sh
index 1b7de52a2..d676d7b02 100755
--- a/tests/install/strip-program.sh
+++ b/tests/install/strip-program.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure "install -s --strip-program=PROGRAM" uses the program to strip
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/install/trap.sh b/tests/install/trap.sh
index 4e1c5eba2..e8824ee8c 100755
--- a/tests/install/trap.sh
+++ b/tests/install/trap.sh
@@ -2,7 +2,7 @@
 # Ensure that 'install -s' doesn't infloop when its parent
 # process traps CHLD signal.
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ln/backup-1.sh b/tests/ln/backup-1.sh
index 0874d9d47..01058b50a 100755
--- a/tests/ln/backup-1.sh
+++ b/tests/ln/backup-1.sh
@@ -2,7 +2,7 @@
 # Try to create a symlink with backup where the destination file exists
 # and the backup file name is a hard link to the destination file.
 
-# Copyright (C) 1999-2023 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ln/hard-backup.sh b/tests/ln/hard-backup.sh
index 855fab52f..8b7539916 100755
--- a/tests/ln/hard-backup.sh
+++ b/tests/ln/hard-backup.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that 'ln --backup F F' gives a proper diagnostic.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ln/hard-to-sym.sh b/tests/ln/hard-to-sym.sh
index e4585537f..f1a380b7e 100755
--- a/tests/ln/hard-to-sym.sh
+++ b/tests/ln/hard-to-sym.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Tests for ln -L/-P.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ln/misc.sh b/tests/ln/misc.sh
index e509c1ccc..a0d491053 100755
--- a/tests/ln/misc.sh
+++ b/tests/ln/misc.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Miscellaneous tests for "ln".
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ln/relative.sh b/tests/ln/relative.sh
index 73bfd9e07..3d4c25af7 100755
--- a/tests/ln/relative.sh
+++ b/tests/ln/relative.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test "ln --relative".
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ln/sf-1.sh b/tests/ln/sf-1.sh
index e7781ebf7..753ed9429 100755
--- a/tests/ln/sf-1.sh
+++ b/tests/ln/sf-1.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test "ln -sf".
 
-# Copyright (C) 1997-2023 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ln/slash-decorated-nonexistent-dest.sh b/tests/ln/slash-decorated-nonexistent-dest.sh
index 8e872d40d..19eeb3a67 100755
--- a/tests/ln/slash-decorated-nonexistent-dest.sh
+++ b/tests/ln/slash-decorated-nonexistent-dest.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that touch f; ln -T f no-such-file/ does not mistakenly succeed
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ln/target-1.sh b/tests/ln/target-1.sh
index 59e3b46a5..621d82d99 100755
--- a/tests/ln/target-1.sh
+++ b/tests/ln/target-1.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test "ln --target-dir" with one file.
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/local.mk b/tests/local.mk
index 57fe023de..d9bdb2ed5 100644
--- a/tests/local.mk
+++ b/tests/local.mk
@@ -1,6 +1,6 @@
 ## Process this file with automake to produce Makefile.in -*-Makefile-*-.
 
-## Copyright (C) 2007-2023 Free Software Foundation, Inc.
+## Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/a-option.sh b/tests/ls/a-option.sh
index c1546661f..675e69d45 100755
--- a/tests/ls/a-option.sh
+++ b/tests/ls/a-option.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # exercise the -a option
 
-# Copyright 2018-2023 Free Software Foundation, Inc.
+# Copyright 2018-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/abmon-align.sh b/tests/ls/abmon-align.sh
index 73308dcf3..b2ff7d2d8 100755
--- a/tests/ls/abmon-align.sh
+++ b/tests/ls/abmon-align.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure ls output is aligned when using abbreviated months from the locale
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/birthtime.sh b/tests/ls/birthtime.sh
index 7f6347ff7..ff5506caf 100755
--- a/tests/ls/birthtime.sh
+++ b/tests/ls/birthtime.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that ls attempts birthtime access
 
-# Copyright (C) 2020-2023 Free Software Foundation, Inc.
+# Copyright (C) 2020-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/block-size.sh b/tests/ls/block-size.sh
index 3dfd5fec9..29484abb8 100755
--- a/tests/ls/block-size.sh
+++ b/tests/ls/block-size.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise ls --block-size and related options.
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/capability.sh b/tests/ls/capability.sh
index 0ccceda3a..b3545b3ca 100755
--- a/tests/ls/capability.sh
+++ b/tests/ls/capability.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure "ls --color" properly colors name of file with capability.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/classify.sh b/tests/ls/classify.sh
index 8645ab55b..557c1c056 100755
--- a/tests/ls/classify.sh
+++ b/tests/ls/classify.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test --classify processing
 
-# Copyright (C) 2020-2023 Free Software Foundation, Inc.
+# Copyright (C) 2020-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/color-clear-to-eol.sh b/tests/ls/color-clear-to-eol.sh
index dc4bcd2c0..0a3945acd 100755
--- a/tests/ls/color-clear-to-eol.sh
+++ b/tests/ls/color-clear-to-eol.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that ls --color works well when a colored name is wrapped
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/color-dtype-dir.sh b/tests/ls/color-dtype-dir.sh
index d51cbaf17..7cc4d79a9 100755
--- a/tests/ls/color-dtype-dir.sh
+++ b/tests/ls/color-dtype-dir.sh
@@ -4,7 +4,7 @@
 # directories the same as the first one -- but only on a file system
 # with dirent.d_type support.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/color-ext.sh b/tests/ls/color-ext.sh
index dbc0d0af5..c4d70ee9a 100755
--- a/tests/ls/color-ext.sh
+++ b/tests/ls/color-ext.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure "ls --color" properly colors file name extensions.
 
-# Copyright (C) 2018-2023 Free Software Foundation, Inc.
+# Copyright (C) 2018-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/color-norm.sh b/tests/ls/color-norm.sh
index 09b52f3bb..479a49c40 100755
--- a/tests/ls/color-norm.sh
+++ b/tests/ls/color-norm.sh
@@ -3,7 +3,7 @@
 # I.e., that it uses NORMAL to style non file name output and
 # file names with no associated color (unless FILE is also set).
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/color-term.sh b/tests/ls/color-term.sh
index 3e5aca04a..459ce5a08 100755
--- a/tests/ls/color-term.sh
+++ b/tests/ls/color-term.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure "ls --color" doesn't output colors for TERM=dumb
 
-# Copyright (C) 2014-2023 Free Software Foundation, Inc.
+# Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/dangle.sh b/tests/ls/dangle.sh
index 0e59e8627..80913389c 100755
--- a/tests/ls/dangle.sh
+++ b/tests/ls/dangle.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure ls properly handles dangling symlinks vs. ls's -L, -H, options.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/dired.sh b/tests/ls/dired.sh
index c4361d5e2..057f1040e 100755
--- a/tests/ls/dired.sh
+++ b/tests/ls/dired.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # make sure --dired option works
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/file-type.sh b/tests/ls/file-type.sh
index 1df2074c3..876bba922 100755
--- a/tests/ls/file-type.sh
+++ b/tests/ls/file-type.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # contrast ls -F, ls -p, and ls --indicator-style=file-type
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/follow-slink.sh b/tests/ls/follow-slink.sh
index 38ee0afe6..08f5a7e11 100755
--- a/tests/ls/follow-slink.sh
+++ b/tests/ls/follow-slink.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # make sure ls -L always follows symlinks
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/getxattr-speedup.sh b/tests/ls/getxattr-speedup.sh
index 5665e398b..4fde11550 100755
--- a/tests/ls/getxattr-speedup.sh
+++ b/tests/ls/getxattr-speedup.sh
@@ -4,7 +4,7 @@
 # This test is skipped on systems that lack LD_PRELOAD support; that's fine.
 # Similarly, on a system that lacks getxattr altogether, skipping it is fine.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/group-dirs.sh b/tests/ls/group-dirs.sh
index c13a94e7a..82f70d48c 100755
--- a/tests/ls/group-dirs.sh
+++ b/tests/ls/group-dirs.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test --group-directories-first
 
-# Copyright (C) 2018-2023 Free Software Foundation, Inc.
+# Copyright (C) 2018-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/hex-option.sh b/tests/ls/hex-option.sh
index 2a09309c1..93db01d22 100755
--- a/tests/ls/hex-option.sh
+++ b/tests/ls/hex-option.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # accept hex/oct numbers to -w and -T
 
-# Copyright (C) 2014-2023 Free Software Foundation, Inc.
+# Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/hyperlink.sh b/tests/ls/hyperlink.sh
index 970e062a3..ad4e9296b 100755
--- a/tests/ls/hyperlink.sh
+++ b/tests/ls/hyperlink.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test --hyperlink processing
 
-# Copyright (C) 2017-2023 Free Software Foundation, Inc.
+# Copyright (C) 2017-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/infloop.sh b/tests/ls/infloop.sh
index d59ba8198..061294aeb 100755
--- a/tests/ls/infloop.sh
+++ b/tests/ls/infloop.sh
@@ -2,7 +2,7 @@
 # show that the following no longer makes ls infloop
 # mkdir loop; cd loop; ln -s ../loop sub; ls -RL
 # Also ensure ls exits with status = 2 in that case.
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/inode.sh b/tests/ls/inode.sh
index 5060a9668..8b0bdb9eb 100755
--- a/tests/ls/inode.sh
+++ b/tests/ls/inode.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure that ls -i works properly on symlinks.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/ls-misc.pl b/tests/ls/ls-misc.pl
index f3f09c44d..f7b36ad88 100755
--- a/tests/ls/ls-misc.pl
+++ b/tests/ls/ls-misc.pl
@@ -1,6 +1,6 @@
 #!/usr/bin/perl
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/ls-time.sh b/tests/ls/ls-time.sh
index 5585d62d6..f27a5dbbe 100755
--- a/tests/ls/ls-time.sh
+++ b/tests/ls/ls-time.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test some of ls's sorting options.
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/m-option.sh b/tests/ls/m-option.sh
index 3b8cdcdfd..27bb093ca 100755
--- a/tests/ls/m-option.sh
+++ b/tests/ls/m-option.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # exercise the -m option
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/multihardlink.sh b/tests/ls/multihardlink.sh
index 0d3598113..b8bb40c05 100755
--- a/tests/ls/multihardlink.sh
+++ b/tests/ls/multihardlink.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure "ls --color" properly colors names of hard linked files.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/nameless-uid.sh b/tests/ls/nameless-uid.sh
index 94cdf4051..e280a8e56 100755
--- a/tests/ls/nameless-uid.sh
+++ b/tests/ls/nameless-uid.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that ls -l works on files with nameless uid and/or gid
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/no-arg.sh b/tests/ls/no-arg.sh
index bb72d833f..45b81989a 100755
--- a/tests/ls/no-arg.sh
+++ b/tests/ls/no-arg.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # make sure ls and 'ls -R' do the right thing when invoked with no arguments.
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/no-cap.sh b/tests/ls/no-cap.sh
index bee7beea0..3d84c74ff 100755
--- a/tests/ls/no-cap.sh
+++ b/tests/ls/no-cap.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that an empty "ca=" attribute disables ls's capability-checking
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/quote-align.sh b/tests/ls/quote-align.sh
index 54a6fd012..7b14a1980 100755
--- a/tests/ls/quote-align.sh
+++ b/tests/ls/quote-align.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test quote alignment combinations
 
-# Copyright (C) 2016-2023 Free Software Foundation, Inc.
+# Copyright (C) 2016-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/readdir-mountpoint-inode.sh b/tests/ls/readdir-mountpoint-inode.sh
index 18c5d5374..9559942f8 100755
--- a/tests/ls/readdir-mountpoint-inode.sh
+++ b/tests/ls/readdir-mountpoint-inode.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that ls -i works also for mount points
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/recursive.sh b/tests/ls/recursive.sh
index 16554a816..acea2637a 100755
--- a/tests/ls/recursive.sh
+++ b/tests/ls/recursive.sh
@@ -2,7 +2,7 @@
 # 4.1.1 and 4.1.2 had a bug whereby some recursive listings
 # didn't include a blank line between per-directory groups of files.
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/removed-directory.sh b/tests/ls/removed-directory.sh
index 692d05dc7..291d77ee3 100755
--- a/tests/ls/removed-directory.sh
+++ b/tests/ls/removed-directory.sh
@@ -3,7 +3,7 @@
 # current working directory has been removed by another process), it
 # should not emit an error message merely because the directory is removed.
 
-# Copyright (C) 2020-2023 Free Software Foundation, Inc.
+# Copyright (C) 2020-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/root-rel-symlink-color.sh b/tests/ls/root-rel-symlink-color.sh
index d8663e458..d28ff20ae 100755
--- a/tests/ls/root-rel-symlink-color.sh
+++ b/tests/ls/root-rel-symlink-color.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise the 8.17 ls bug with coloring relative-named symlinks in "/".
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/rt-1.sh b/tests/ls/rt-1.sh
index 4a8b948cf..bd8768559 100755
--- a/tests/ls/rt-1.sh
+++ b/tests/ls/rt-1.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure name is used as secondary key when sorting on mtime or ctime.
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/selinux-segfault.sh b/tests/ls/selinux-segfault.sh
index 4e0d551c5..ebcfbfe13 100755
--- a/tests/ls/selinux-segfault.sh
+++ b/tests/ls/selinux-segfault.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure we don't segfault in selinux handling
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/size-align.sh b/tests/ls/size-align.sh
index 350e85d0d..fcebda02d 100755
--- a/tests/ls/size-align.sh
+++ b/tests/ls/size-align.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test size alignment
 
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/slink-acl.sh b/tests/ls/slink-acl.sh
index ab9fb8f34..71b64b3c7 100755
--- a/tests/ls/slink-acl.sh
+++ b/tests/ls/slink-acl.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # verify that ls -lL works when applied to a symlink to an ACL'd file
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/sort-width-option.sh b/tests/ls/sort-width-option.sh
index bffd2e97e..1cf5691cf 100755
--- a/tests/ls/sort-width-option.sh
+++ b/tests/ls/sort-width-option.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise the --sort=width option.
 
-# Copyright (C) 2021-2023 Free Software Foundation, Inc.
+# Copyright (C) 2021-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/stat-dtype.sh b/tests/ls/stat-dtype.sh
index 794fcefed..e63125825 100755
--- a/tests/ls/stat-dtype.sh
+++ b/tests/ls/stat-dtype.sh
@@ -3,7 +3,7 @@
 # Also check for the dtype-related (and fs-type dependent) bug
 # in coreutils-6.0 that made ls -CF columns misaligned.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/stat-failed.sh b/tests/ls/stat-failed.sh
index 642ac4a08..dc6a89ac9 100755
--- a/tests/ls/stat-failed.sh
+++ b/tests/ls/stat-failed.sh
@@ -2,7 +2,7 @@
 # Verify that ls works properly when it fails to stat a file that is
 # not mentioned on the command line.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/stat-free-color.sh b/tests/ls/stat-free-color.sh
index b02c06bb7..5c3e83502 100755
--- a/tests/ls/stat-free-color.sh
+++ b/tests/ls/stat-free-color.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Show that --color need not use stat, as long as we have d_type support.
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/stat-free-symlinks.sh b/tests/ls/stat-free-symlinks.sh
index 27f3414ab..165ef5085 100755
--- a/tests/ls/stat-free-symlinks.sh
+++ b/tests/ls/stat-free-symlinks.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that ls does not stat a symlink in an unusual case
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/stat-vs-dirent.sh b/tests/ls/stat-vs-dirent.sh
index b29889c55..8d1702dfc 100755
--- a/tests/ls/stat-vs-dirent.sh
+++ b/tests/ls/stat-vs-dirent.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that d_ino (from ls -di) and st_ino (from stat --format=%i) match.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/symlink-loop.sh b/tests/ls/symlink-loop.sh
index 0e0b0bf47..f73570642 100755
--- a/tests/ls/symlink-loop.sh
+++ b/tests/ls/symlink-loop.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise ls symlink ELOOP handling
 
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/symlink-quote.sh b/tests/ls/symlink-quote.sh
index ba45de5e9..d4530afa8 100755
--- a/tests/ls/symlink-quote.sh
+++ b/tests/ls/symlink-quote.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure symlinks are quoted appropriately
 
-# Copyright (C) 2017-2023 Free Software Foundation, Inc.
+# Copyright (C) 2017-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/symlink-slash.sh b/tests/ls/symlink-slash.sh
index f62e44d05..cd9689484 100755
--- a/tests/ls/symlink-slash.sh
+++ b/tests/ls/symlink-slash.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Do dereference a symlink arg if its name is written with a trailing slash.
 
-# Copyright (C) 1999-2023 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/time-style-diag.sh b/tests/ls/time-style-diag.sh
index af53ba38e..b157fa21e 100755
--- a/tests/ls/time-style-diag.sh
+++ b/tests/ls/time-style-diag.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that an invalid --time-style=ARG is diagnosed the way we want.
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/w-option.sh b/tests/ls/w-option.sh
index 555e98c84..090a8dc59 100755
--- a/tests/ls/w-option.sh
+++ b/tests/ls/w-option.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # exercise the -w option
 
-# Copyright (C) 2015-2023 Free Software Foundation, Inc.
+# Copyright (C) 2015-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/x-option.sh b/tests/ls/x-option.sh
index 30c2e7cf5..97d503580 100755
--- a/tests/ls/x-option.sh
+++ b/tests/ls/x-option.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise the -x option.
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ls/zero-option.sh b/tests/ls/zero-option.sh
index d3c9f0d18..626c8924a 100755
--- a/tests/ls/zero-option.sh
+++ b/tests/ls/zero-option.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify behavior of ls --zero.
 
-# Copyright 2021-2023 Free Software Foundation, Inc.
+# Copyright 2021-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/arch.sh b/tests/misc/arch.sh
index ec240d1d3..15741427e 100755
--- a/tests/misc/arch.sh
+++ b/tests/misc/arch.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that arch output is equal to uname -m
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/basename.pl b/tests/misc/basename.pl
index 4f76a21c1..773195e4a 100755
--- a/tests/misc/basename.pl
+++ b/tests/misc/basename.pl
@@ -1,6 +1,6 @@
 #!/usr/bin/perl
 # Test basename.
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/close-stdout.sh b/tests/misc/close-stdout.sh
index 4bff9e263..c508986ad 100755
--- a/tests/misc/close-stdout.sh
+++ b/tests/misc/close-stdout.sh
@@ -2,7 +2,7 @@
 # Ensure that several programs work fine, even with stdout initially closed.
 # This is effectively a test of closeout.c's close_stdout function.
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/comm.pl b/tests/misc/comm.pl
index aaaf46522..5bd5f56d7 100755
--- a/tests/misc/comm.pl
+++ b/tests/misc/comm.pl
@@ -2,7 +2,7 @@
 # -*- perl -*-
 # Test comm
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/coreutils.sh b/tests/misc/coreutils.sh
index ffcce84b5..5bc42395b 100755
--- a/tests/misc/coreutils.sh
+++ b/tests/misc/coreutils.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify behavior of separate coreutils multicall binary
 
-# Copyright (C) 2014-2023 Free Software Foundation, Inc.
+# Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/dircolors.pl b/tests/misc/dircolors.pl
index f33e893da..aea9a9543 100755
--- a/tests/misc/dircolors.pl
+++ b/tests/misc/dircolors.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Simple dircolors tests.
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/dirname.pl b/tests/misc/dirname.pl
index e509c6bdc..f146147ff 100755
--- a/tests/misc/dirname.pl
+++ b/tests/misc/dirname.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test "dirname".
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/echo.sh b/tests/misc/echo.sh
index 1cd923146..25bd58206 100755
--- a/tests/misc/echo.sh
+++ b/tests/misc/echo.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # basic tests for echo
 
-# Copyright (C) 2018-2023 Free Software Foundation, Inc.
+# Copyright (C) 2018-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/expand.pl b/tests/misc/expand.pl
index 06261acb3..11f3fc4bf 100755
--- a/tests/misc/expand.pl
+++ b/tests/misc/expand.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Exercise expand.
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/false-status.sh b/tests/misc/false-status.sh
index 7c4f8e2c9..fbc1c4385 100755
--- a/tests/misc/false-status.sh
+++ b/tests/misc/false-status.sh
@@ -2,7 +2,7 @@
 # ensure that false exits nonzero even with --help or --version
 # and ensure that true exits nonzero when it can't write --help or --version
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/fold.pl b/tests/misc/fold.pl
index a94072f5f..00b43624f 100755
--- a/tests/misc/fold.pl
+++ b/tests/misc/fold.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Exercise fold.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/invalid-opt.pl b/tests/misc/invalid-opt.pl
index 872cbf8a7..4b9c4c184 100755
--- a/tests/misc/invalid-opt.pl
+++ b/tests/misc/invalid-opt.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # exercise the 'invalid option' handling code in each program
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/join-utf8.sh b/tests/misc/join-utf8.sh
index 0e56ff5ae..2dbe2bb81 100755
--- a/tests/misc/join-utf8.sh
+++ b/tests/misc/join-utf8.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test join in a UTF-8 locale.
 
-# Copyright 2023 Free Software Foundation, Inc.
+# Copyright 2023-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/join.pl b/tests/misc/join.pl
index 514633a5d..39044fcd7 100755
--- a/tests/misc/join.pl
+++ b/tests/misc/join.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test join.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/kill.sh b/tests/misc/kill.sh
index 34d6578a2..69679e5a6 100755
--- a/tests/misc/kill.sh
+++ b/tests/misc/kill.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Validate kill operation
 
-# Copyright (C) 2015-2023 Free Software Foundation, Inc.
+# Copyright (C) 2015-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/mknod.sh b/tests/misc/mknod.sh
index de8d4f67f..9b8b2ee51 100755
--- a/tests/misc/mknod.sh
+++ b/tests/misc/mknod.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that mknod, mkfifo, mkdir -m MODE work with a restrictive umask
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/mktemp.pl b/tests/misc/mktemp.pl
index 01dcf6149..779fdc63d 100755
--- a/tests/misc/mktemp.pl
+++ b/tests/misc/mktemp.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test "mktemp".
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/nl.sh b/tests/misc/nl.sh
index a1e9480d7..4da7513af 100755
--- a/tests/misc/nl.sh
+++ b/tests/misc/nl.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # exercise nl functionality
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/nohup.sh b/tests/misc/nohup.sh
index 3a598afb8..c513de27d 100755
--- a/tests/misc/nohup.sh
+++ b/tests/misc/nohup.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test nohup
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/numfmt.pl b/tests/misc/numfmt.pl
index 03a94d101..0905a0cca 100755
--- a/tests/misc/numfmt.pl
+++ b/tests/misc/numfmt.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Basic tests for "numfmt".
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/paste.pl b/tests/misc/paste.pl
index e14ef1c0b..7cb67120e 100755
--- a/tests/misc/paste.pl
+++ b/tests/misc/paste.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test paste.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/pathchk.sh b/tests/misc/pathchk.sh
index b0892ac4b..8d93ad30b 100755
--- a/tests/misc/pathchk.sh
+++ b/tests/misc/pathchk.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # pathchk tests
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/printenv.sh b/tests/misc/printenv.sh
index 708f92b0a..40a391642 100755
--- a/tests/misc/printenv.sh
+++ b/tests/misc/printenv.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify behavior of printenv.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/read-errors.sh b/tests/misc/read-errors.sh
index 7f395bb9e..3f1e0c42c 100755
--- a/tests/misc/read-errors.sh
+++ b/tests/misc/read-errors.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure all of these programs diagnose read errors
 
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/realpath.sh b/tests/misc/realpath.sh
index 251ea1955..1e49b89cf 100755
--- a/tests/misc/realpath.sh
+++ b/tests/misc/realpath.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Validate realpath operation
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/selinux.sh b/tests/misc/selinux.sh
index 35ad5f817..b1766c2c3 100755
--- a/tests/misc/selinux.sh
+++ b/tests/misc/selinux.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test SELinux-related options.
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/sleep.sh b/tests/misc/sleep.sh
index 908285387..96bd683c2 100755
--- a/tests/misc/sleep.sh
+++ b/tests/misc/sleep.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Validate sleep parameters
 
-# Copyright (C) 2016-2023 Free Software Foundation, Inc.
+# Copyright (C) 2016-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/stdbuf.sh b/tests/misc/stdbuf.sh
index c4369f74f..e53b4a3f0 100755
--- a/tests/misc/stdbuf.sh
+++ b/tests/misc/stdbuf.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise stdbuf functionality
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/sync.sh b/tests/misc/sync.sh
index daedf4163..c49abe830 100755
--- a/tests/misc/sync.sh
+++ b/tests/misc/sync.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test various sync(1) operations
 
-# Copyright (C) 2015-2023 Free Software Foundation, Inc.
+# Copyright (C) 2015-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/tee.sh b/tests/misc/tee.sh
index 3daf6107f..862ef2b95 100755
--- a/tests/misc/tee.sh
+++ b/tests/misc/tee.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test for basic tee functionality.
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/time-style.sh b/tests/misc/time-style.sh
index 343383635..0e0cf6b58 100755
--- a/tests/misc/time-style.sh
+++ b/tests/misc/time-style.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test --time-style in programs like 'ls'.
 
-# Copyright (C) 2016-2023 Free Software Foundation, Inc.
+# Copyright (C) 2016-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/tsort.pl b/tests/misc/tsort.pl
index ca3aa3b6d..70bdc474c 100755
--- a/tests/misc/tsort.pl
+++ b/tests/misc/tsort.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test "tsort".
 
-# Copyright (C) 1999-2023 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/unexpand.pl b/tests/misc/unexpand.pl
index d78a1bc2f..76bcbd4d7 100755
--- a/tests/misc/unexpand.pl
+++ b/tests/misc/unexpand.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test "unexpand".
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/usage_vs_getopt.sh b/tests/misc/usage_vs_getopt.sh
index f4f12136a..975b535f5 100755
--- a/tests/misc/usage_vs_getopt.sh
+++ b/tests/misc/usage_vs_getopt.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify that all options mentioned in usage are recognized by getopt.
 
-# Copyright (C) 2017-2023 Free Software Foundation, Inc.
+# Copyright (C) 2017-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/write-errors.sh b/tests/misc/write-errors.sh
index 4f17028a2..e78d3fdd4 100755
--- a/tests/misc/write-errors.sh
+++ b/tests/misc/write-errors.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure all of these programs promptly diagnose write errors.
 
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/xattr.sh b/tests/misc/xattr.sh
index 141657825..3b6e48df0 100755
--- a/tests/misc/xattr.sh
+++ b/tests/misc/xattr.sh
@@ -3,7 +3,7 @@
 # attributes and install does not preserve extended attributes.
 # cp -a should preserve xattr, error diagnostics should not be displayed
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/xstrtol.pl b/tests/misc/xstrtol.pl
index dfdaee0ae..10ffd340e 100755
--- a/tests/misc/xstrtol.pl
+++ b/tests/misc/xstrtol.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # exercise xstrtol's diagnostics via pr
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/misc/yes.sh b/tests/misc/yes.sh
index 9cd07d4d8..b00bb0368 100755
--- a/tests/misc/yes.sh
+++ b/tests/misc/yes.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Validate yes buffer handling
 
-# Copyright (C) 2015-2023 Free Software Foundation, Inc.
+# Copyright (C) 2015-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mkdir/p-1.sh b/tests/mkdir/p-1.sh
index e2d020cca..d79cce35a 100755
--- a/tests/mkdir/p-1.sh
+++ b/tests/mkdir/p-1.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test "mkdir -p".
 
-# Copyright (C) 1997-2023 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mkdir/p-2.sh b/tests/mkdir/p-2.sh
index 8a5a50d69..aac1edc7d 100755
--- a/tests/mkdir/p-2.sh
+++ b/tests/mkdir/p-2.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Just like p-1, but with an absolute path.
 
-# Copyright (C) 1997-2023 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mkdir/p-3.sh b/tests/mkdir/p-3.sh
index 30645e3a1..c6af431e7 100755
--- a/tests/mkdir/p-3.sh
+++ b/tests/mkdir/p-3.sh
@@ -3,7 +3,7 @@
 # causes immediate failure.  Also, ensure that we don't create
 # subsequent, relative command-line arguments in the wrong place.
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mkdir/p-acl.sh b/tests/mkdir/p-acl.sh
index b56210554..97aa27a1f 100755
--- a/tests/mkdir/p-acl.sh
+++ b/tests/mkdir/p-acl.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test "mkdir -p" with default ACLs.
 
-# Copyright (C) 1997-2023 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mkdir/p-slashdot.sh b/tests/mkdir/p-slashdot.sh
index f50fa4444..2d93746e6 100755
--- a/tests/mkdir/p-slashdot.sh
+++ b/tests/mkdir/p-slashdot.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that mkdir -p works with arguments specified with a trailing "/.".
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mkdir/p-thru-slink.sh b/tests/mkdir/p-thru-slink.sh
index 15a764eb3..4dee8ef64 100755
--- a/tests/mkdir/p-thru-slink.sh
+++ b/tests/mkdir/p-thru-slink.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that mkdir -p foo/bar works when foo is a symbolic link to a directory
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mkdir/p-v.sh b/tests/mkdir/p-v.sh
index 4fa619e1a..387b95cea 100755
--- a/tests/mkdir/p-v.sh
+++ b/tests/mkdir/p-v.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test mkdir -pv.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mkdir/parents.sh b/tests/mkdir/parents.sh
index c6c0a0ba7..c98ff5c77 100755
--- a/tests/mkdir/parents.sh
+++ b/tests/mkdir/parents.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # make sure mkdir's -p options works properly
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mkdir/perm.sh b/tests/mkdir/perm.sh
index 62ded0fef..f6bb42bac 100755
--- a/tests/mkdir/perm.sh
+++ b/tests/mkdir/perm.sh
@@ -2,7 +2,7 @@
 # Verify that mkdir's '-m MODE' option works properly
 # with various umask settings.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mkdir/restorecon.sh b/tests/mkdir/restorecon.sh
index 7ac9aa300..3cedf422a 100755
--- a/tests/mkdir/restorecon.sh
+++ b/tests/mkdir/restorecon.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test mkdir, mknod, mkfifo -Z
 
-# Copyright (C) 2013-2023 Free Software Foundation, Inc.
+# Copyright (C) 2013-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mkdir/selinux.sh b/tests/mkdir/selinux.sh
index 58d280a6d..6a51511a3 100755
--- a/tests/mkdir/selinux.sh
+++ b/tests/mkdir/selinux.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that an invalid context doesn't cause a segfault
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mkdir/smack-no-root.sh b/tests/mkdir/smack-no-root.sh
index 9d3f48f16..b944b80d0 100755
--- a/tests/mkdir/smack-no-root.sh
+++ b/tests/mkdir/smack-no-root.sh
@@ -3,7 +3,7 @@
 # Derived from tests/mkdir/selinux.sh.
 # Ensure that an unsettable SMACK label doesn't cause a segfault.
 
-# Copyright (C) 2014-2023 Free Software Foundation, Inc.
+# Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mkdir/smack-root.sh b/tests/mkdir/smack-root.sh
index 8a10c73f8..290da9c5e 100755
--- a/tests/mkdir/smack-root.sh
+++ b/tests/mkdir/smack-root.sh
@@ -3,7 +3,7 @@
 # Derived from tests/mkdir/selinux.sh.
 # Ensure that SMACK label gets set.
 
-# Copyright (C) 2014-2023 Free Software Foundation, Inc.
+# Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mkdir/special-1.sh b/tests/mkdir/special-1.sh
index 00833b189..226fe2bc3 100755
--- a/tests/mkdir/special-1.sh
+++ b/tests/mkdir/special-1.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # verify that mkdir honors special bits in MODE
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mkdir/t-slash.sh b/tests/mkdir/t-slash.sh
index 55f1c3d64..c176bc1ee 100755
--- a/tests/mkdir/t-slash.sh
+++ b/tests/mkdir/t-slash.sh
@@ -2,7 +2,7 @@
 # Ensure that mkdir works with arguments specified with and without
 # a trailing slash.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mkdir/writable-under-readonly.sh b/tests/mkdir/writable-under-readonly.sh
index ee7caa6ff..ac078debb 100755
--- a/tests/mkdir/writable-under-readonly.sh
+++ b/tests/mkdir/writable-under-readonly.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # FIXME: convert this to a root-only test.
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/acl.sh b/tests/mv/acl.sh
index 8065a3a83..c891ce3e2 100755
--- a/tests/mv/acl.sh
+++ b/tests/mv/acl.sh
@@ -2,7 +2,7 @@
 # move files/directories across file system boundaries
 # and make sure acls are preserved
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/atomic.sh b/tests/mv/atomic.sh
index 145e89da0..190ca3942 100755
--- a/tests/mv/atomic.sh
+++ b/tests/mv/atomic.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that mv doesn't first unlink its destination in one particular case
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/atomic2.sh b/tests/mv/atomic2.sh
index fedf392de..e1ee7d1e2 100755
--- a/tests/mv/atomic2.sh
+++ b/tests/mv/atomic2.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that mv doesn't first unlink a multi-hard-linked destination
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/backup-dir.sh b/tests/mv/backup-dir.sh
index d967b458f..fd6b7f6d2 100755
--- a/tests/mv/backup-dir.sh
+++ b/tests/mv/backup-dir.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure "mv --verbose --backup" works the same for dirs and non-dirs.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/backup-is-src.sh b/tests/mv/backup-is-src.sh
index 0a4110c7d..46daf40aa 100755
--- a/tests/mv/backup-is-src.sh
+++ b/tests/mv/backup-is-src.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Force mv to use the copying code.
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/childproof.sh b/tests/mv/childproof.sh
index a5a830ef5..0c76476cb 100755
--- a/tests/mv/childproof.sh
+++ b/tests/mv/childproof.sh
@@ -3,7 +3,7 @@
 # With fileutils-4.1 and earlier, this test would fail for cp and mv.
 # With coreutils-6.9 and earlier, this test would fail for ln.
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/diag.sh b/tests/mv/diag.sh
index abcb335e1..70ca9b735 100755
--- a/tests/mv/diag.sh
+++ b/tests/mv/diag.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # make sure we get proper diagnostics: e.g., with --target-dir=d but no args
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/dir-file.sh b/tests/mv/dir-file.sh
index e70f63e95..6234c1972 100755
--- a/tests/mv/dir-file.sh
+++ b/tests/mv/dir-file.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # mv must fail when src and dest are mismatched directory/non-directory.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/dir2dir.sh b/tests/mv/dir2dir.sh
index da6a518e5..4749a4153 100755
--- a/tests/mv/dir2dir.sh
+++ b/tests/mv/dir2dir.sh
@@ -2,7 +2,7 @@
 # Ensure that mv prints the right diagnostic for a dir->dir move
 # where the destination directory is not empty.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/dup-source.sh b/tests/mv/dup-source.sh
index 7f9508669..7bcd82fc3 100755
--- a/tests/mv/dup-source.sh
+++ b/tests/mv/dup-source.sh
@@ -4,7 +4,7 @@
 # made this fail:  cp a a d/
 # Ensure that mv fails with a similar command.
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/force.sh b/tests/mv/force.sh
index 427cc8814..361b4a70b 100755
--- a/tests/mv/force.sh
+++ b/tests/mv/force.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # move a file onto itself
 
-# Copyright (C) 1999-2023 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/hard-2.sh b/tests/mv/hard-2.sh
index f0a683e31..3c54b0cb0 100755
--- a/tests/mv/hard-2.sh
+++ b/tests/mv/hard-2.sh
@@ -2,7 +2,7 @@
 # Ensure that moving hard-linked arguments onto existing destinations works.
 # Likewise when using cp --preserve=link.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/hard-3.sh b/tests/mv/hard-3.sh
index 2d22c4045..43291c1a6 100755
--- a/tests/mv/hard-3.sh
+++ b/tests/mv/hard-3.sh
@@ -2,7 +2,7 @@
 # Ensure that using 'cp --preserve=link' to copy hard-linked arguments
 # onto existing destinations works, even when one of the link operations fails.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/hard-4.sh b/tests/mv/hard-4.sh
index 7621f6d7d..f089f85ba 100755
--- a/tests/mv/hard-4.sh
+++ b/tests/mv/hard-4.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that mv maintains a in this case: touch a; ln a b; mv a b
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/hard-link-1.sh b/tests/mv/hard-link-1.sh
index 94599f239..bf27266e1 100755
--- a/tests/mv/hard-link-1.sh
+++ b/tests/mv/hard-link-1.sh
@@ -2,7 +2,7 @@
 # move a directory containing hard-linked files and
 # make sure the links are preserved
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/hardlink-case.sh b/tests/mv/hardlink-case.sh
index ad0cfdfef..e3091aecc 100755
--- a/tests/mv/hardlink-case.sh
+++ b/tests/mv/hardlink-case.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure multi-hardlinked files are not lost on case insensitive file systems
 
-# Copyright (C) 2014-2023 Free Software Foundation, Inc.
+# Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/i-1.pl b/tests/mv/i-1.pl
index f2ee0e9cc..0f853492b 100755
--- a/tests/mv/i-1.pl
+++ b/tests/mv/i-1.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Make sure a 'n' reply to 'mv -i...' aborts the move operation.
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/i-2.sh b/tests/mv/i-2.sh
index d8e0524be..c57253231 100755
--- a/tests/mv/i-2.sh
+++ b/tests/mv/i-2.sh
@@ -2,7 +2,7 @@
 # Test both cp and mv for their behavior with -if and -fi
 # The standards (POSIX and SuS) dictate annoyingly inconsistent behavior.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/i-3.sh b/tests/mv/i-3.sh
index 4162d163c..56a0ab662 100755
--- a/tests/mv/i-3.sh
+++ b/tests/mv/i-3.sh
@@ -2,7 +2,7 @@
 # Make sure that 'mv file unwritable-file' prompts the user
 # and that 'mv -f file unwritable-file' doesn't.
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/i-4.sh b/tests/mv/i-4.sh
index 4b903426a..1a021d6d5 100755
--- a/tests/mv/i-4.sh
+++ b/tests/mv/i-4.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # make sure 'mv -i a b' does its job with a positive response
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/i-5.sh b/tests/mv/i-5.sh
index fabb27514..68e728090 100755
--- a/tests/mv/i-5.sh
+++ b/tests/mv/i-5.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure 'mv -i dir file' prompts before failing.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/i-link-no.sh b/tests/mv/i-link-no.sh
index 747c542cb..57c35b93a 100755
--- a/tests/mv/i-link-no.sh
+++ b/tests/mv/i-link-no.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Show that mv doesn't preserve links to files the user has declined to move.
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/into-self-2.sh b/tests/mv/into-self-2.sh
index 337d2b244..9cfca7fc5 100755
--- a/tests/mv/into-self-2.sh
+++ b/tests/mv/into-self-2.sh
@@ -3,7 +3,7 @@
 # Consider the case where SRC and DEST are on different
 # partitions and DEST is a symlink to SRC.
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/into-self-3.sh b/tests/mv/into-self-3.sh
index 31612d699..22abcd9ab 100755
--- a/tests/mv/into-self-3.sh
+++ b/tests/mv/into-self-3.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # move a directory into itself, with a twist
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/into-self-4.sh b/tests/mv/into-self-4.sh
index 0b2664a1e..61a1bd420 100755
--- a/tests/mv/into-self-4.sh
+++ b/tests/mv/into-self-4.sh
@@ -2,7 +2,7 @@
 # confirm that 'mv symlink symlink' doesn't remove symlink
 # Based on an example from David Luyer.
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/into-self.sh b/tests/mv/into-self.sh
index 66b65ce5f..bed9a92ba 100755
--- a/tests/mv/into-self.sh
+++ b/tests/mv/into-self.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Demonstrate how mv fails when it tries to move a directory into itself.
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/leak-fd.sh b/tests/mv/leak-fd.sh
index d97662786..c81c2d374 100755
--- a/tests/mv/leak-fd.sh
+++ b/tests/mv/leak-fd.sh
@@ -2,7 +2,7 @@
 # Exercise mv's file-descriptor-leak bug, reported against coreutils-5.2.1
 # and fixed (properly) on 2004-10-21.
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/mv-n.sh b/tests/mv/mv-n.sh
index 60547807c..f484c2163 100755
--- a/tests/mv/mv-n.sh
+++ b/tests/mv/mv-n.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test whether mv -n works as documented (not overwrite target).
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/mv-special-1.sh b/tests/mv/mv-special-1.sh
index af1b793f6..6dd0c2fe6 100755
--- a/tests/mv/mv-special-1.sh
+++ b/tests/mv/mv-special-1.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test "mv" with special files.
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/no-copy.sh b/tests/mv/no-copy.sh
index 5a55fdf74..908fe07f5 100755
--- a/tests/mv/no-copy.sh
+++ b/tests/mv/no-copy.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test mv --no-copy.
 
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/no-target-dir.sh b/tests/mv/no-target-dir.sh
index 82df49bd5..279dee51d 100755
--- a/tests/mv/no-target-dir.sh
+++ b/tests/mv/no-target-dir.sh
@@ -2,7 +2,7 @@
 # ensure that --no-target-directory (-T) works when the destination is
 # an empty directory.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/part-fail.sh b/tests/mv/part-fail.sh
index 19c41403b..585ed793d 100755
--- a/tests/mv/part-fail.sh
+++ b/tests/mv/part-fail.sh
@@ -4,7 +4,7 @@
 # This is a bit fragile since it relies on the string used
 # for EPERM: 'permission denied'.
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/part-hardlink.sh b/tests/mv/part-hardlink.sh
index 9c65684e1..cfcce50e8 100755
--- a/tests/mv/part-hardlink.sh
+++ b/tests/mv/part-hardlink.sh
@@ -4,7 +4,7 @@
 # For additional constraints, see the comment in copy.c.
 # Before coreutils-5.2.1, this test would fail.
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/part-rename.sh b/tests/mv/part-rename.sh
index 5f88550f1..f6b851ed2 100755
--- a/tests/mv/part-rename.sh
+++ b/tests/mv/part-rename.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test various cases for moving directories across file systems
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/part-symlink.sh b/tests/mv/part-symlink.sh
index d6cd836d7..9a109d301 100755
--- a/tests/mv/part-symlink.sh
+++ b/tests/mv/part-symlink.sh
@@ -2,7 +2,7 @@
 # make sure cp and mv can handle many combinations of local and
 # other-partition regular/symlink'd files.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/partition-perm.sh b/tests/mv/partition-perm.sh
index 566346c2b..f1744bb22 100755
--- a/tests/mv/partition-perm.sh
+++ b/tests/mv/partition-perm.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure permissions are preserved when moving from one partition to another.
 
-# Copyright (C) 1999-2023 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/perm-1.sh b/tests/mv/perm-1.sh
index 50eb0a228..fc29083d0 100755
--- a/tests/mv/perm-1.sh
+++ b/tests/mv/perm-1.sh
@@ -2,7 +2,7 @@
 # ensure that mv gives one diagnostic, not two, when failing
 # due to lack of permissions
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/sticky-to-xpart.sh b/tests/mv/sticky-to-xpart.sh
index 860ddd3af..c354fca88 100755
--- a/tests/mv/sticky-to-xpart.sh
+++ b/tests/mv/sticky-to-xpart.sh
@@ -4,7 +4,7 @@
 # mv: cannot remove 'x': Operation not permitted
 # Affects coreutils-6.0-6.9.
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/symlink-onto-hardlink-to-self.sh b/tests/mv/symlink-onto-hardlink-to-self.sh
index b53a41a97..621eeb2b8 100755
--- a/tests/mv/symlink-onto-hardlink-to-self.sh
+++ b/tests/mv/symlink-onto-hardlink-to-self.sh
@@ -4,7 +4,7 @@
 # but not NetBSD), prior to coreutils-8.16, the mv would successfully perform
 # a no-op.  I.e., surprisingly, mv s1 s2 would succeed, yet fail to remove s1.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/symlink-onto-hardlink.sh b/tests/mv/symlink-onto-hardlink.sh
index 01c138ac3..e43656b8b 100755
--- a/tests/mv/symlink-onto-hardlink.sh
+++ b/tests/mv/symlink-onto-hardlink.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that mv works with a few symlink-onto-hard-link cases.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/to-symlink.sh b/tests/mv/to-symlink.sh
index 018bfe20a..d11a4e3db 100755
--- a/tests/mv/to-symlink.sh
+++ b/tests/mv/to-symlink.sh
@@ -2,7 +2,7 @@
 # Make sure that the copying code used in an inter-partition
 # move unlinks a destination symlink before opening it.
 
-# Copyright (C) 1999-2023 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/trailing-slash.sh b/tests/mv/trailing-slash.sh
index 3d41085ae..695a4c4fa 100755
--- a/tests/mv/trailing-slash.sh
+++ b/tests/mv/trailing-slash.sh
@@ -4,7 +4,7 @@
 # Also, ensure that "mv dir non-exist-dir/" works.
 # Also, ensure that "cp dir non-exist-dir/" works.
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/mv/update.sh b/tests/mv/update.sh
index ab7309f06..049c7384a 100755
--- a/tests/mv/update.sh
+++ b/tests/mv/update.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # make sure --update works as advertised
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/nice/nice-fail.sh b/tests/nice/nice-fail.sh
index 5ba7f5a23..d0830ac4d 100755
--- a/tests/nice/nice-fail.sh
+++ b/tests/nice/nice-fail.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify that internal failure in nice gives exact status.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/nice/nice.sh b/tests/nice/nice.sh
index 2df94f351..25b6dfce5 100755
--- a/tests/nice/nice.sh
+++ b/tests/nice/nice.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test "nice".
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/nproc/nproc-avail.sh b/tests/nproc/nproc-avail.sh
index 271ba6ab6..19510f231 100755
--- a/tests/nproc/nproc-avail.sh
+++ b/tests/nproc/nproc-avail.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that "nproc" is less than or equal to "nproc --all".
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/nproc/nproc-override.sh b/tests/nproc/nproc-override.sh
index e643bc37f..0fbf23c96 100755
--- a/tests/nproc/nproc-override.sh
+++ b/tests/nproc/nproc-override.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test the various OpenMP override options
 
-# Copyright (C) 2017-2023 Free Software Foundation, Inc.
+# Copyright (C) 2017-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/nproc/nproc-positive.sh b/tests/nproc/nproc-positive.sh
index d4936a1ff..76d5adf1b 100755
--- a/tests/nproc/nproc-positive.sh
+++ b/tests/nproc/nproc-positive.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that nproc prints a number > 0
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/od/od-N.sh b/tests/od/od-N.sh
index 9e8c061bf..2293e07e0 100755
--- a/tests/od/od-N.sh
+++ b/tests/od/od-N.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify that 'od -N N' reads no more than N bytes of input.
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/od/od-endian.sh b/tests/od/od-endian.sh
index 6154894c5..587554844 100755
--- a/tests/od/od-endian.sh
+++ b/tests/od/od-endian.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # verify that od --endian works properly
 
-# Copyright (C) 2014-2023 Free Software Foundation, Inc.
+# Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/od/od-float.sh b/tests/od/od-float.sh
index a651cec48..35a6d1249 100755
--- a/tests/od/od-float.sh
+++ b/tests/od/od-float.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test od on floating-point values.
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/od/od-j.sh b/tests/od/od-j.sh
index 1c402cbca..0a983ee61 100755
--- a/tests/od/od-j.sh
+++ b/tests/od/od-j.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify that 'od -j N' skips N bytes of input.
 
-# Copyright 2014-2023 Free Software Foundation, Inc.
+# Copyright 2014-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/od/od-multiple-t.sh b/tests/od/od-multiple-t.sh
index 729cdb247..7bce73655 100755
--- a/tests/od/od-multiple-t.sh
+++ b/tests/od/od-multiple-t.sh
@@ -2,7 +2,7 @@
 # verify that multiple -t specifiers to od align well
 # This would fail before coreutils-6.13.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/od/od-x8.sh b/tests/od/od-x8.sh
index 3b11bf7c1..84c941565 100755
--- a/tests/od/od-x8.sh
+++ b/tests/od/od-x8.sh
@@ -2,7 +2,7 @@
 # verify that od -t x8 works properly
 # This would fail before coreutils-4.5.2.
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/od/od.pl b/tests/od/od.pl
index 7936ddb9f..a354de353 100755
--- a/tests/od/od.pl
+++ b/tests/od/od.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Exercise od
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/other-fs-tmpdir b/tests/other-fs-tmpdir
index b4d270eb3..9f8abf4c2 100644
--- a/tests/other-fs-tmpdir
+++ b/tests/other-fs-tmpdir
@@ -4,7 +4,7 @@
 # of the current directory.  If one is found, create a temporary directory
 # inside it.
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/pr/pr-tests.pl b/tests/pr/pr-tests.pl
index eafc13d81..6b34e0b69 100755
--- a/tests/pr/pr-tests.pl
+++ b/tests/pr/pr-tests.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test pr.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/printf/printf-cov.pl b/tests/printf/printf-cov.pl
index 988c2a711..f2677231f 100755
--- a/tests/printf/printf-cov.pl
+++ b/tests/printf/printf-cov.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # improve printf.c test coverage
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/printf/printf-hex.sh b/tests/printf/printf-hex.sh
index 3aa9472e1..c0086d25e 100755
--- a/tests/printf/printf-hex.sh
+++ b/tests/printf/printf-hex.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # make sure that only two hex. digits are consumed in a \xHHH sequence
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/printf/printf-mb.sh b/tests/printf/printf-mb.sh
index 418ad3564..80451e878 100755
--- a/tests/printf/printf-mb.sh
+++ b/tests/printf/printf-mb.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # tests for printing multi-byte values of characters
 
-# Copyright (C) 2022-2023 Free Software Foundation, Inc.
+# Copyright (C) 2022-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/printf/printf-quote.sh b/tests/printf/printf-quote.sh
index d1671bd9d..eb718a629 100755
--- a/tests/printf/printf-quote.sh
+++ b/tests/printf/printf-quote.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # tests for printf %q
 
-# Copyright (C) 2015-2023 Free Software Foundation, Inc.
+# Copyright (C) 2015-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/printf/printf-surprise.sh b/tests/printf/printf-surprise.sh
index fc3c064e5..652cb5485 100755
--- a/tests/printf/printf-surprise.sh
+++ b/tests/printf/printf-surprise.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Detect printf(3) failure even when it doesn't set stream error indicator
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/printf/printf.sh b/tests/printf/printf.sh
index 834012cc5..7e489161e 100755
--- a/tests/printf/printf.sh
+++ b/tests/printf/printf.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # basic tests for printf
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ptx/ptx-overrun.sh b/tests/ptx/ptx-overrun.sh
index cfd655f44..94f2d7208 100755
--- a/tests/ptx/ptx-overrun.sh
+++ b/tests/ptx/ptx-overrun.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/ptx/ptx.pl b/tests/ptx/ptx.pl
index 46f88d851..afb464c07 100755
--- a/tests/ptx/ptx.pl
+++ b/tests/ptx/ptx.pl
@@ -1,6 +1,6 @@
 #!/usr/bin/perl
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/pwd/pwd-long.sh b/tests/pwd/pwd-long.sh
index 480cc197d..7a5086a7a 100755
--- a/tests/pwd/pwd-long.sh
+++ b/tests/pwd/pwd-long.sh
@@ -2,7 +2,7 @@
 # -*- perl -*-
 # Ensure that pwd works even when run from a very deep directory.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/pwd/pwd-option.sh b/tests/pwd/pwd-option.sh
index 50fc95775..fd6dbc31d 100755
--- a/tests/pwd/pwd-option.sh
+++ b/tests/pwd/pwd-option.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that pwd options work.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/readlink/can-e.sh b/tests/readlink/can-e.sh
index 6237e8d9a..ff090a679 100755
--- a/tests/readlink/can-e.sh
+++ b/tests/readlink/can-e.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # tests for canonicalize-existing mode (readlink -e).
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/readlink/can-f.sh b/tests/readlink/can-f.sh
index 83460e516..48a9fd607 100755
--- a/tests/readlink/can-f.sh
+++ b/tests/readlink/can-f.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # tests for canonicalize mode (readlink -f).
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/readlink/can-m.sh b/tests/readlink/can-m.sh
index 4cc312298..851f2fcd7 100755
--- a/tests/readlink/can-m.sh
+++ b/tests/readlink/can-m.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # tests for canonicalize-missing mode (readlink -m).
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/readlink/multi.sh b/tests/readlink/multi.sh
index 5de903d76..48132e49d 100755
--- a/tests/readlink/multi.sh
+++ b/tests/readlink/multi.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test multiple argument handling.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/readlink/readlink-fp-loop.sh b/tests/readlink/readlink-fp-loop.sh
index f1e277a66..41b9a4858 100755
--- a/tests/readlink/readlink-fp-loop.sh
+++ b/tests/readlink/readlink-fp-loop.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # readlink from 6.9 would fail with a false-positive symlink loop error
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/readlink/readlink-root.sh b/tests/readlink/readlink-root.sh
index 0015d3d93..b8f95df46 100755
--- a/tests/readlink/readlink-root.sh
+++ b/tests/readlink/readlink-root.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # tests for canonicalize-existing mode (readlink -e) on /.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/readlink/rl-1.sh b/tests/readlink/rl-1.sh
index 3bdb0332c..8414fae27 100755
--- a/tests/readlink/rl-1.sh
+++ b/tests/readlink/rl-1.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test for readlink mode.
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/cycle.sh b/tests/rm/cycle.sh
index e967ce56a..27b7dadd1 100755
--- a/tests/rm/cycle.sh
+++ b/tests/rm/cycle.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # rm (coreutils-4.5.4) could be tricked into mistakenly reporting a cycle.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/d-1.sh b/tests/rm/d-1.sh
index 7b5778603..e78dff397 100755
--- a/tests/rm/d-1.sh
+++ b/tests/rm/d-1.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test "rm --dir --verbose".
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/d-2.sh b/tests/rm/d-2.sh
index e235508ff..2a65675bf 100755
--- a/tests/rm/d-2.sh
+++ b/tests/rm/d-2.sh
@@ -2,7 +2,7 @@
 # Ensure that 'rm -d dir' (i.e., without --recursive) gives a reasonable
 # diagnostic when failing.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/d-3.sh b/tests/rm/d-3.sh
index ed6f171c7..61bfa54d5 100755
--- a/tests/rm/d-3.sh
+++ b/tests/rm/d-3.sh
@@ -2,7 +2,7 @@
 # Ensure that 'rm -d -i dir' (i.e., without --recursive) gives a prompt and
 # then deletes the directory if it is empty
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/dangling-symlink.sh b/tests/rm/dangling-symlink.sh
index ce82e0da9..d9cb88e0b 100755
--- a/tests/rm/dangling-symlink.sh
+++ b/tests/rm/dangling-symlink.sh
@@ -4,7 +4,7 @@
 # But for fileutils-4.1.9, it would do the former and
 # for fileutils-4.1.10 the latter.
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/deep-1.sh b/tests/rm/deep-1.sh
index 8741835f7..7444a2a6a 100755
--- a/tests/rm/deep-1.sh
+++ b/tests/rm/deep-1.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test "rm" with a deep hierarchy.
 
-# Copyright (C) 1997-2023 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/deep-2.sh b/tests/rm/deep-2.sh
index ddf8564e0..890f09cde 100755
--- a/tests/rm/deep-2.sh
+++ b/tests/rm/deep-2.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure rm -r DIR does not prompt for very long full relative names in DIR.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/dir-no-w.sh b/tests/rm/dir-no-w.sh
index 26692eaed..288e7d76c 100755
--- a/tests/rm/dir-no-w.sh
+++ b/tests/rm/dir-no-w.sh
@@ -2,7 +2,7 @@
 # rm (without -r) must give a diagnostic for any directory.
 # It must not prompt, even if that directory is unwritable.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/dir-nonrecur.sh b/tests/rm/dir-nonrecur.sh
index 31b4c708e..95a6c0bfb 100755
--- a/tests/rm/dir-nonrecur.sh
+++ b/tests/rm/dir-nonrecur.sh
@@ -2,7 +2,7 @@
 # Ensure that 'rm dir' (i.e., without --recursive) gives a reasonable
 # diagnostic when failing.
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/dot-rel.sh b/tests/rm/dot-rel.sh
index b145cd63c..592ff9553 100755
--- a/tests/rm/dot-rel.sh
+++ b/tests/rm/dot-rel.sh
@@ -2,7 +2,7 @@
 # Use rm -r to remove two non-empty dot-relative directories.
 # This would have failed between 2004-10-18 and 2004-10-21.
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/empty-immutable-skip.sh b/tests/rm/empty-immutable-skip.sh
index 151db4cd4..edcf722af 100755
--- a/tests/rm/empty-immutable-skip.sh
+++ b/tests/rm/empty-immutable-skip.sh
@@ -2,7 +2,7 @@
 # Ensure that rm does not skip extra files after hitting an empty immutable dir.
 # Requires root access to do chattr +i, as well as an ext[23] or xfs file system
 
-# Copyright (C) 2020-2023 Free Software Foundation, Inc.
+# Copyright (C) 2020-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/empty-inacc.sh b/tests/rm/empty-inacc.sh
index 56f7ef345..6504f0bfa 100755
--- a/tests/rm/empty-inacc.sh
+++ b/tests/rm/empty-inacc.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that rm -rf removes an empty-and-inaccessible directory.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/empty-name.pl b/tests/rm/empty-name.pl
index d818dbd69..583517460 100755
--- a/tests/rm/empty-name.pl
+++ b/tests/rm/empty-name.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Make sure that rm -r '' fails.
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/ext3-perf.sh b/tests/rm/ext3-perf.sh
index 73aa85e94..600681e73 100755
--- a/tests/rm/ext3-perf.sh
+++ b/tests/rm/ext3-perf.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that "rm -rf DIR-with-many-entries" is not O(N^2)
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/f-1.sh b/tests/rm/f-1.sh
index 8d119f726..43e3aab96 100755
--- a/tests/rm/f-1.sh
+++ b/tests/rm/f-1.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test "rm -f" with a nonexistent file.
 
-# Copyright (C) 1997-2023 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/fail-2eperm.sh b/tests/rm/fail-2eperm.sh
index 9e5cdb1c1..ad7c706e2 100755
--- a/tests/rm/fail-2eperm.sh
+++ b/tests/rm/fail-2eperm.sh
@@ -2,7 +2,7 @@
 # Like fail-eperm, but the failure must be for a file encountered
 # while trying to remove the containing directory with the sticky bit set.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/fail-eacces.sh b/tests/rm/fail-eacces.sh
index d438d1786..c7716d778 100755
--- a/tests/rm/fail-eacces.sh
+++ b/tests/rm/fail-eacces.sh
@@ -4,7 +4,7 @@
 # With the symlink, rm from coreutils-6.9 would fail with a misleading
 # ELOOP diagnostic.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/fail-eperm.xpl b/tests/rm/fail-eperm.xpl
index 5511d30e9..97a103645 100755
--- a/tests/rm/fail-eperm.xpl
+++ b/tests/rm/fail-eperm.xpl
@@ -2,7 +2,7 @@
 # Ensure that rm gives the expected diagnostic when failing to remove a file
 # owned by some other user in a directory with the sticky bit set.
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/hash.sh b/tests/rm/hash.sh
index 5ff3c19d4..518a0e1fc 100755
--- a/tests/rm/hash.sh
+++ b/tests/rm/hash.sh
@@ -3,7 +3,7 @@
 # Before then, rm would fail occasionally, sometimes via
 # a failed assertion, others with a seg fault.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/i-1.sh b/tests/rm/i-1.sh
index 96fb98e33..4731f105f 100755
--- a/tests/rm/i-1.sh
+++ b/tests/rm/i-1.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test "rm -i".
 
-# Copyright (C) 1997-2023 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/i-never.sh b/tests/rm/i-never.sh
index 471a8f4a9..bc79c1828 100755
--- a/tests/rm/i-never.sh
+++ b/tests/rm/i-never.sh
@@ -2,7 +2,7 @@
 # Ensure that rm --interactive=never works does not prompt, even for
 # an unwritable file.
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/i-no-r.sh b/tests/rm/i-no-r.sh
index 89bda8ef4..125cee8a9 100755
--- a/tests/rm/i-no-r.sh
+++ b/tests/rm/i-no-r.sh
@@ -3,7 +3,7 @@
 # recurse into directory DIR.  rm -i (without -r) must fail in that case.
 # Fixed in coreutils-4.5.2.
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/ignorable.sh b/tests/rm/ignorable.sh
index 68a555f69..9f2d975a3 100755
--- a/tests/rm/ignorable.sh
+++ b/tests/rm/ignorable.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that rm -f existing-non-dir/anything exits successfully
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/inaccessible.sh b/tests/rm/inaccessible.sh
index da82fe608..71db8155a 100755
--- a/tests/rm/inaccessible.sh
+++ b/tests/rm/inaccessible.sh
@@ -2,7 +2,7 @@
 # Ensure that rm works even when run from a directory
 # for which the user has no access at all.
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/interactive-always.sh b/tests/rm/interactive-always.sh
index 7223b0d5f..bf15a984b 100755
--- a/tests/rm/interactive-always.sh
+++ b/tests/rm/interactive-always.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test the --interactive[=WHEN] changes added to coreutils 6.0
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/interactive-once.sh b/tests/rm/interactive-once.sh
index 54b288fa2..2ce3fd675 100755
--- a/tests/rm/interactive-once.sh
+++ b/tests/rm/interactive-once.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test the -I option added to coreutils 6.0
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/ir-1.sh b/tests/rm/ir-1.sh
index 247a12bb5..2e8069d49 100755
--- a/tests/rm/ir-1.sh
+++ b/tests/rm/ir-1.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test "rm -ir".
 
-# Copyright (C) 1997-2023 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/isatty.sh b/tests/rm/isatty.sh
index 8bf13f0aa..d4890ceff 100755
--- a/tests/rm/isatty.sh
+++ b/tests/rm/isatty.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure 'chown 0 f; rm f' prompts before removing f.
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/many-dir-entries-vs-OOM.sh b/tests/rm/many-dir-entries-vs-OOM.sh
index 5cc25ab11..f0da2c795 100755
--- a/tests/rm/many-dir-entries-vs-OOM.sh
+++ b/tests/rm/many-dir-entries-vs-OOM.sh
@@ -2,7 +2,7 @@
 # In coreutils-8.12, rm,du,chmod, etc. would use too much memory
 # when processing a directory with many entries (as in > 100,000).
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/no-give-up.sh b/tests/rm/no-give-up.sh
index f4ac7a2a9..5f7fcc748 100755
--- a/tests/rm/no-give-up.sh
+++ b/tests/rm/no-give-up.sh
@@ -2,7 +2,7 @@
 # With rm from coreutils-5.2.1 and earlier, 'rm -r' would mistakenly
 # give up too early under some conditions.
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/one-file-system.sh b/tests/rm/one-file-system.sh
index 5ab75bbc7..11261c2c4 100755
--- a/tests/rm/one-file-system.sh
+++ b/tests/rm/one-file-system.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Demonstrate rm's new --one-file-system option.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/one-file-system2.sh b/tests/rm/one-file-system2.sh
index 4bca2f4e6..0bb4b1896 100755
--- a/tests/rm/one-file-system2.sh
+++ b/tests/rm/one-file-system2.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify --one-file-system does delete within a file system
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/r-1.sh b/tests/rm/r-1.sh
index e0a8716d5..f5d0eb1b8 100755
--- a/tests/rm/r-1.sh
+++ b/tests/rm/r-1.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test "rm -r --verbose".
 
-# Copyright (C) 1997-2023 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/r-2.sh b/tests/rm/r-2.sh
index 78040d35d..cd5a9892c 100755
--- a/tests/rm/r-2.sh
+++ b/tests/rm/r-2.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test "rm -r --verbose".
 
-# Copyright (C) 1997-2023 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/r-3.sh b/tests/rm/r-3.sh
index f2d4c5be2..1f9ec497b 100755
--- a/tests/rm/r-3.sh
+++ b/tests/rm/r-3.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Create and remove a directory with more than 254 files.
 
-# Copyright (C) 1997-2023 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/r-4.sh b/tests/rm/r-4.sh
index 7acf52dcc..a586b1116 100755
--- a/tests/rm/r-4.sh
+++ b/tests/rm/r-4.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Try to remove '.' and '..' recursively.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/r-root.sh b/tests/rm/r-root.sh
index d60c5e7fd..1a4ab40bf 100755
--- a/tests/rm/r-root.sh
+++ b/tests/rm/r-root.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Try to remove '/' recursively.
 
-# Copyright (C) 2013-2023 Free Software Foundation, Inc.
+# Copyright (C) 2013-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/read-only.sh b/tests/rm/read-only.sh
index 9598dfcc9..b06379e3d 100755
--- a/tests/rm/read-only.sh
+++ b/tests/rm/read-only.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that rm -f nonexistent-file-on-read-only-fs succeeds.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/readdir-bug.sh b/tests/rm/readdir-bug.sh
index 6d07180d7..94bda3248 100755
--- a/tests/rm/readdir-bug.sh
+++ b/tests/rm/readdir-bug.sh
@@ -2,7 +2,7 @@
 # Exercise the Darwin/MacOS bug worked around on 2006-09-29,
 # whereby rm would fail to remove all entries in a directory.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/rm-readdir-fail.sh b/tests/rm/rm-readdir-fail.sh
index e68f2a53a..8224f740f 100755
--- a/tests/rm/rm-readdir-fail.sh
+++ b/tests/rm/rm-readdir-fail.sh
@@ -2,7 +2,7 @@
 # Test rm's behavior when the directory cannot be read.
 # This test is skipped on systems that lack LD_PRELOAD support.
 
-# Copyright (C) 2016-2023 Free Software Foundation, Inc.
+# Copyright (C) 2016-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/rm1.sh b/tests/rm/rm1.sh
index ba231a3d2..6c5019aa7 100755
--- a/tests/rm/rm1.sh
+++ b/tests/rm/rm1.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # exercise another small part of remove.c
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/rm2.sh b/tests/rm/rm2.sh
index dc19b9c84..33097b0a8 100755
--- a/tests/rm/rm2.sh
+++ b/tests/rm/rm2.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # exercise another small part of remove.c
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/rm3.sh b/tests/rm/rm3.sh
index 555c92e78..04d3022c5 100755
--- a/tests/rm/rm3.sh
+++ b/tests/rm/rm3.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # exercise another small part of remove.c
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/rm4.sh b/tests/rm/rm4.sh
index 782453cc4..961c922f2 100755
--- a/tests/rm/rm4.sh
+++ b/tests/rm/rm4.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that 'rm dir' fails without --recursive
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/rm5.sh b/tests/rm/rm5.sh
index 2f6cb3f5c..0cb331627 100755
--- a/tests/rm/rm5.sh
+++ b/tests/rm/rm5.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # a basic test of rm -ri
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/sunos-1.sh b/tests/rm/sunos-1.sh
index 96fd0db9e..38b820f02 100755
--- a/tests/rm/sunos-1.sh
+++ b/tests/rm/sunos-1.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure that rm -r '' fails.
 
-# Copyright (C) 1997-2023 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/unread2.sh b/tests/rm/unread2.sh
index 7b5984917..5c9ab1277 100755
--- a/tests/rm/unread2.sh
+++ b/tests/rm/unread2.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # exercise one small part of remove.c
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/unread3.sh b/tests/rm/unread3.sh
index 5c7edbd5f..e127fa63d 100755
--- a/tests/rm/unread3.sh
+++ b/tests/rm/unread3.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that rm works even from an unreadable working directory.
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/unreadable.pl b/tests/rm/unreadable.pl
index 57a7c2cd3..87eb2ae68 100755
--- a/tests/rm/unreadable.pl
+++ b/tests/rm/unreadable.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test "rm" and unreadable directories.
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rm/v-slash.sh b/tests/rm/v-slash.sh
index c590f4eef..4dd474d2e 100755
--- a/tests/rm/v-slash.sh
+++ b/tests/rm/v-slash.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # avoid extra slashes in --verbose output
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rmdir/fail-perm.sh b/tests/rmdir/fail-perm.sh
index 825749924..001ce6a51 100755
--- a/tests/rmdir/fail-perm.sh
+++ b/tests/rmdir/fail-perm.sh
@@ -2,7 +2,7 @@
 # For unwritable directory 'd', 'rmdir -p d d/e/f' would emit
 # diagnostics but would not fail.  Fixed in 5.1.2.
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rmdir/ignore.sh b/tests/rmdir/ignore.sh
index c0a00ee3a..2896557c7 100755
--- a/tests/rmdir/ignore.sh
+++ b/tests/rmdir/ignore.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # make sure rmdir's --ignore-fail-on-non-empty option works
 
-# Copyright (C) 1999-2023 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rmdir/symlink-errors.sh b/tests/rmdir/symlink-errors.sh
index 969c80c2a..f81a09c6e 100755
--- a/tests/rmdir/symlink-errors.sh
+++ b/tests/rmdir/symlink-errors.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # make sure rmdir outputs clear errors in the presence of symlinks
 
-# Copyright (C) 2021-2023 Free Software Foundation, Inc.
+# Copyright (C) 2021-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/rmdir/t-slash.sh b/tests/rmdir/t-slash.sh
index d78e75b50..9264e7bd7 100755
--- a/tests/rmdir/t-slash.sh
+++ b/tests/rmdir/t-slash.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # make sure rmdir -p works on a directory specified with a trailing slash
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/runcon/runcon-compute.sh b/tests/runcon/runcon-compute.sh
index bc3cd8cab..fad8ec619 100755
--- a/tests/runcon/runcon-compute.sh
+++ b/tests/runcon/runcon-compute.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that runcon -c uses absolute file names
 
-# Copyright (C) 2022-2023 Free Software Foundation, Inc.
+# Copyright (C) 2022-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/runcon/runcon-no-reorder.sh b/tests/runcon/runcon-no-reorder.sh
index f07a4e59e..69a74c9db 100755
--- a/tests/runcon/runcon-no-reorder.sh
+++ b/tests/runcon/runcon-no-reorder.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that runcon does not reorder its arguments.
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sample-test b/tests/sample-test
index ab44eb8ca..edc808ed7 100644
--- a/tests/sample-test
+++ b/tests/sample-test
@@ -1,7 +1,7 @@
 #!/bin/sh
 # FIXME
 
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/seq/seq-epipe.sh b/tests/seq/seq-epipe.sh
index 32e4a3a83..898099292 100755
--- a/tests/seq/seq-epipe.sh
+++ b/tests/seq/seq-epipe.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test for proper detection of EPIPE with ignored SIGPIPE
 
-# Copyright (C) 2016-2023 Free Software Foundation, Inc.
+# Copyright (C) 2016-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/seq/seq-extra-number.sh b/tests/seq/seq-extra-number.sh
index 0fe70a702..25193e9e9 100755
--- a/tests/seq/seq-extra-number.sh
+++ b/tests/seq/seq-extra-number.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test the "print_extra_number" logic seq.c:print_numbers()
 
-# Copyright (C) 2019-2023 Free Software Foundation, Inc.
+# Copyright (C) 2019-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/seq/seq-io-errors.sh b/tests/seq/seq-io-errors.sh
index 08bea76e6..75c22e42e 100755
--- a/tests/seq/seq-io-errors.sh
+++ b/tests/seq/seq-io-errors.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test for proper detection of I/O errors in seq
 
-# Copyright (C) 2016-2023 Free Software Foundation, Inc.
+# Copyright (C) 2016-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/seq/seq-locale.sh b/tests/seq/seq-locale.sh
index 6c4227167..1da3b727b 100755
--- a/tests/seq/seq-locale.sh
+++ b/tests/seq/seq-locale.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test for output with appropriate precision
 
-# Copyright (C) 2019-2023 Free Software Foundation, Inc.
+# Copyright (C) 2019-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/seq/seq-long-double.sh b/tests/seq/seq-long-double.sh
index 76b0a9314..8339d6df0 100755
--- a/tests/seq/seq-long-double.sh
+++ b/tests/seq/seq-long-double.sh
@@ -3,7 +3,7 @@
 # Ensure that seq prints exactly two numbers for a 2-number integral
 # range at the limit of floating point precision.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/seq/seq-precision.sh b/tests/seq/seq-precision.sh
index 25678aa30..4cd62b94f 100755
--- a/tests/seq/seq-precision.sh
+++ b/tests/seq/seq-precision.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test for output with appropriate precision
 
-# Copyright (C) 2015-2023 Free Software Foundation, Inc.
+# Copyright (C) 2015-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/seq/seq.pl b/tests/seq/seq.pl
index e7fc8ef12..75972e107 100755
--- a/tests/seq/seq.pl
+++ b/tests/seq/seq.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test "seq".
 
-# Copyright (C) 1999-2023 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/shred/shred-exact.sh b/tests/shred/shred-exact.sh
index 17a8b0563..344e650fb 100755
--- a/tests/shred/shred-exact.sh
+++ b/tests/shred/shred-exact.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test functionality of --exact
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/shred/shred-passes.sh b/tests/shred/shred-passes.sh
index 020cf688c..5b1e3d9f2 100755
--- a/tests/shred/shred-passes.sh
+++ b/tests/shred/shred-passes.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Verify the operations done by shred
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/shred/shred-remove.sh b/tests/shred/shred-remove.sh
index 25d58dbe8..7a07ba938 100755
--- a/tests/shred/shred-remove.sh
+++ b/tests/shred/shred-remove.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise shred --remove
 
-# Copyright (C) 1999-2023 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/shred/shred-size.sh b/tests/shred/shred-size.sh
index 869058233..f0c044b00 100755
--- a/tests/shred/shred-size.sh
+++ b/tests/shred/shred-size.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise shred --size
 
-# Copyright (C) 2014-2023 Free Software Foundation, Inc.
+# Copyright (C) 2014-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/shuf/shuf-reservoir.sh b/tests/shuf/shuf-reservoir.sh
index 2edfe5010..99ebdc17b 100755
--- a/tests/shuf/shuf-reservoir.sh
+++ b/tests/shuf/shuf-reservoir.sh
@@ -4,7 +4,7 @@
 #  These tests do not check valid randomness,
 #  they just check memory allocation related code.
 
-# Copyright (C) 2013-2023 Free Software Foundation, Inc.
+# Copyright (C) 2013-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/shuf/shuf.sh b/tests/shuf/shuf.sh
index fd57dfe80..7ebcbba9d 100755
--- a/tests/shuf/shuf.sh
+++ b/tests/shuf/shuf.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that shuf randomizes its input.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-NaN-infloop.sh b/tests/sort/sort-NaN-infloop.sh
index 9048865b4..5dfc2f9cd 100755
--- a/tests/sort/sort-NaN-infloop.sh
+++ b/tests/sort/sort-NaN-infloop.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # exercise the NaN-infloop bug in coreutils-8.13
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-benchmark-random.sh b/tests/sort/sort-benchmark-random.sh
index cf26726a5..31d1b3cac 100755
--- a/tests/sort/sort-benchmark-random.sh
+++ b/tests/sort/sort-benchmark-random.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Benchmark sort on randomly generated data.
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-compress-hang.sh b/tests/sort/sort-compress-hang.sh
index 93c6febf8..f36e8747f 100755
--- a/tests/sort/sort-compress-hang.sh
+++ b/tests/sort/sort-compress-hang.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test for sort --compress hang
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-compress-proc.sh b/tests/sort/sort-compress-proc.sh
index 07035be90..8a0d20c39 100755
--- a/tests/sort/sort-compress-proc.sh
+++ b/tests/sort/sort-compress-proc.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test use of compression subprocesses by sort
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-compress.sh b/tests/sort/sort-compress.sh
index fea4f0703..af309142e 100755
--- a/tests/sort/sort-compress.sh
+++ b/tests/sort/sort-compress.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test use of compression by sort
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-continue.sh b/tests/sort/sort-continue.sh
index 5326bfece..76517e465 100755
--- a/tests/sort/sort-continue.sh
+++ b/tests/sort/sort-continue.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Tests for file descriptor exhaustion.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-debug-keys.sh b/tests/sort/sort-debug-keys.sh
index 3397ef8f0..c307da669 100755
--- a/tests/sort/sort-debug-keys.sh
+++ b/tests/sort/sort-debug-keys.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test annotation of sort keys
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-debug-warn.sh b/tests/sort/sort-debug-warn.sh
index ff0da95a7..6e445a0b5 100755
--- a/tests/sort/sort-debug-warn.sh
+++ b/tests/sort/sort-debug-warn.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test warnings for sort options
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-discrim.sh b/tests/sort/sort-discrim.sh
index 9912ea97e..af2817826 100755
--- a/tests/sort/sort-discrim.sh
+++ b/tests/sort/sort-discrim.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test discriminator-based sorting.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-exit-early.sh b/tests/sort/sort-exit-early.sh
index bd012a994..1dc9443ed 100755
--- a/tests/sort/sort-exit-early.sh
+++ b/tests/sort/sort-exit-early.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test 'sort' exits early on inaccessible inputs or output
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-files0-from.pl b/tests/sort/sort-files0-from.pl
index 56b28c01f..5ef4967b5 100755
--- a/tests/sort/sort-files0-from.pl
+++ b/tests/sort/sort-files0-from.pl
@@ -2,7 +2,7 @@
 # Exercise sort's --files0-from option.
 # FIXME: keep this file in sync with tests/du/files0-from.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-float.sh b/tests/sort/sort-float.sh
index 557096850..37fe27ca2 100755
--- a/tests/sort/sort-float.sh
+++ b/tests/sort/sort-float.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure sort -g sorts floating point limits correctly
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-h-thousands-sep.sh b/tests/sort/sort-h-thousands-sep.sh
index 43d187fa9..b1ac53ee5 100755
--- a/tests/sort/sort-h-thousands-sep.sh
+++ b/tests/sort/sort-h-thousands-sep.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # exercise 'sort -h' in locales where thousands separator is blank
 
-# Copyright (C) 2016-2023 Free Software Foundation, Inc.
+# Copyright (C) 2016-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-merge-fdlimit.sh b/tests/sort/sort-merge-fdlimit.sh
index 7dda7f8f5..36a4649b5 100755
--- a/tests/sort/sort-merge-fdlimit.sh
+++ b/tests/sort/sort-merge-fdlimit.sh
@@ -2,7 +2,7 @@
 # Test whether sort avoids opening more file descriptors than it is
 # allowed when merging files.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-merge.pl b/tests/sort/sort-merge.pl
index bd439ef4a..89eed0c64 100755
--- a/tests/sort/sort-merge.pl
+++ b/tests/sort/sort-merge.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test "sort -m".
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-month.sh b/tests/sort/sort-month.sh
index 4fa74646a..e3055eae8 100755
--- a/tests/sort/sort-month.sh
+++ b/tests/sort/sort-month.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test sorting of abbreviated months from the locale
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-rand.sh b/tests/sort/sort-rand.sh
index a80a76786..34a6fac36 100755
--- a/tests/sort/sort-rand.sh
+++ b/tests/sort/sort-rand.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that sort --sort-random doesn't sort.
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-spinlock-abuse.sh b/tests/sort/sort-spinlock-abuse.sh
index e59021334..e463e0812 100755
--- a/tests/sort/sort-spinlock-abuse.sh
+++ b/tests/sort/sort-spinlock-abuse.sh
@@ -2,7 +2,7 @@
 # trigger a bug that would make parallel sort use 100% of one or more
 # CPU while blocked on output.
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-stale-thread-mem.sh b/tests/sort/sort-stale-thread-mem.sh
index 27d92c89c..305a64e97 100755
--- a/tests/sort/sort-stale-thread-mem.sh
+++ b/tests/sort/sort-stale-thread-mem.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Trigger a bug that would cause 'sort' to reference stale thread stack memory.
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-u-FMR.sh b/tests/sort/sort-u-FMR.sh
index 71a218672..e9b6a7ecc 100755
--- a/tests/sort/sort-u-FMR.sh
+++ b/tests/sort/sort-u-FMR.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Before 8.19, this would trigger a free-memory read.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-unique-segv.sh b/tests/sort/sort-unique-segv.sh
index 8e332bb11..7f3a24da7 100755
--- a/tests/sort/sort-unique-segv.sh
+++ b/tests/sort/sort-unique-segv.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # parallel sort with --unique (-u) would segfault
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-unique.sh b/tests/sort/sort-unique.sh
index df5b174aa..8dbae22e0 100755
--- a/tests/sort/sort-unique.sh
+++ b/tests/sort/sort-unique.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test 'sort -u'.
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort-version.sh b/tests/sort/sort-version.sh
index 9a02729ed..a8db394da 100755
--- a/tests/sort/sort-version.sh
+++ b/tests/sort/sort-version.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # exercise sort's --sort=version option
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/sort/sort.pl b/tests/sort/sort.pl
index 46f1d7acd..d49f65f66 100755
--- a/tests/sort/sort.pl
+++ b/tests/sort/sort.pl
@@ -1,6 +1,6 @@
 #!/usr/bin/perl
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/split/additional-suffix.sh b/tests/split/additional-suffix.sh
index 9da8b35ea..6ba7cfec7 100755
--- a/tests/split/additional-suffix.sh
+++ b/tests/split/additional-suffix.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # show that 'split --additional-suffix=SUFFIX' works.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/split/b-chunk.sh b/tests/split/b-chunk.sh
index 1e9a6f6e9..d386c86e3 100755
--- a/tests/split/b-chunk.sh
+++ b/tests/split/b-chunk.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test splitting into 3 chunks
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/split/fail.sh b/tests/split/fail.sh
index 0884d6267..65b2d8a8f 100755
--- a/tests/split/fail.sh
+++ b/tests/split/fail.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # split must fail when given length/count of zero.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/split/filter.sh b/tests/split/filter.sh
index 605721c8f..3d63b4063 100755
--- a/tests/split/filter.sh
+++ b/tests/split/filter.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise split's new --filter option.
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/split/guard-input.sh b/tests/split/guard-input.sh
index d0a78c381..951b648e1 100755
--- a/tests/split/guard-input.sh
+++ b/tests/split/guard-input.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure split doesn't overwrite input with output.
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/split/l-chunk-root.sh b/tests/split/l-chunk-root.sh
index e439bfb6e..255ad9f05 100755
--- a/tests/split/l-chunk-root.sh
+++ b/tests/split/l-chunk-root.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test splitting into newline delineated chunks from infinite imput
 
-# Copyright (C) 2023 Free Software Foundation, Inc.
+# Copyright (C) 2023-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/split/l-chunk.sh b/tests/split/l-chunk.sh
index 23c787871..2fcd9c1cd 100755
--- a/tests/split/l-chunk.sh
+++ b/tests/split/l-chunk.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test splitting into newline delineated chunks (-n l/...)
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/split/line-bytes.sh b/tests/split/line-bytes.sh
index a71013629..3f30bd8a5 100755
--- a/tests/split/line-bytes.sh
+++ b/tests/split/line-bytes.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test -C, --lines-bytes
 
-# Copyright (C) 2013-2023 Free Software Foundation, Inc.
+# Copyright (C) 2013-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/split/lines.sh b/tests/split/lines.sh
index 16f9c69b9..dd53ce2c1 100755
--- a/tests/split/lines.sh
+++ b/tests/split/lines.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # show that 'split --lines=2' works.
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/split/numeric.sh b/tests/split/numeric.sh
index f0b08573c..6bce32482 100755
--- a/tests/split/numeric.sh
+++ b/tests/split/numeric.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test --{hex,numeric}-suffixes[=from]
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/split/r-chunk.sh b/tests/split/r-chunk.sh
index 2d4a60f43..a9470b373 100755
--- a/tests/split/r-chunk.sh
+++ b/tests/split/r-chunk.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test splitting into round-robin chunks
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/split/record-sep.sh b/tests/split/record-sep.sh
index 3827d15c8..d5a275004 100755
--- a/tests/split/record-sep.sh
+++ b/tests/split/record-sep.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test split with custom record separators
 
-# Copyright (C) 2015-2023 Free Software Foundation, Inc.
+# Copyright (C) 2015-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/split/suffix-auto-length.sh b/tests/split/suffix-auto-length.sh
index 8bbb26f36..2a524b6ef 100755
--- a/tests/split/suffix-auto-length.sh
+++ b/tests/split/suffix-auto-length.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test the suffix auto width functionality
 
-# Copyright (C) 2012-2023 Free Software Foundation, Inc.
+# Copyright (C) 2012-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/split/suffix-length.sh b/tests/split/suffix-length.sh
index 75c7bd101..a08b5a096 100755
--- a/tests/split/suffix-length.sh
+++ b/tests/split/suffix-length.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Show that split -a works.
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/stat/stat-birthtime.sh b/tests/stat/stat-birthtime.sh
index 8d2e661a2..17a270e15 100755
--- a/tests/stat/stat-birthtime.sh
+++ b/tests/stat/stat-birthtime.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that stat attempts birthtime access
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/stat/stat-fmt.sh b/tests/stat/stat-fmt.sh
index df5097371..5094a962c 100755
--- a/tests/stat/stat-fmt.sh
+++ b/tests/stat/stat-fmt.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # stat --format tests
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/stat/stat-hyphen.sh b/tests/stat/stat-hyphen.sh
index ea65c20e0..d101277e3 100755
--- a/tests/stat/stat-hyphen.sh
+++ b/tests/stat/stat-hyphen.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # demonstrate that stat - works and stat -f - does not.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/stat/stat-mount.sh b/tests/stat/stat-mount.sh
index e07e89a79..b17b8b89c 100755
--- a/tests/stat/stat-mount.sh
+++ b/tests/stat/stat-mount.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test stat -c%m
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/stat/stat-nanoseconds.sh b/tests/stat/stat-nanoseconds.sh
index d42626e33..7ee8264b0 100755
--- a/tests/stat/stat-nanoseconds.sh
+++ b/tests/stat/stat-nanoseconds.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise format strings involving %:X, %:Y, etc.
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/stat/stat-printf.pl b/tests/stat/stat-printf.pl
index 491fb366f..7b3db43a0 100755
--- a/tests/stat/stat-printf.pl
+++ b/tests/stat/stat-printf.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test "stat --printf".
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/stat/stat-slash.sh b/tests/stat/stat-slash.sh
index 16ecce888..c01b8cc0c 100755
--- a/tests/stat/stat-slash.sh
+++ b/tests/stat/stat-slash.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # demonstrate that stat handles trailing slashes correctly
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/stty/stty-invalid.sh b/tests/stty/stty-invalid.sh
index 7b65d0ca4..17139a601 100755
--- a/tests/stty/stty-invalid.sh
+++ b/tests/stty/stty-invalid.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that stty diagnoses invalid inputs, rather than silently misbehaving.
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/stty/stty-pairs.sh b/tests/stty/stty-pairs.sh
index fd32ba2f1..86d2827fd 100755
--- a/tests/stty/stty-pairs.sh
+++ b/tests/stty/stty-pairs.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure stty can parse most of its options - in pairs [expensive].
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/stty/stty-row-col.sh b/tests/stty/stty-row-col.sh
index 2b336e56e..dd7366c6e 100755
--- a/tests/stty/stty-row-col.sh
+++ b/tests/stty/stty-row-col.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test "stty" with rows and columns.
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/stty/stty.sh b/tests/stty/stty.sh
index 6254ab88e..cd28e8bf3 100755
--- a/tests/stty/stty.sh
+++ b/tests/stty/stty.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure stty can parse most of its options.
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tac/tac-2-nonseekable.sh b/tests/tac/tac-2-nonseekable.sh
index 8e8075fa6..a7c51e652 100755
--- a/tests/tac/tac-2-nonseekable.sh
+++ b/tests/tac/tac-2-nonseekable.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that tac works with non-seekable or quasi-seekable inputs
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tac/tac-continue.sh b/tests/tac/tac-continue.sh
index f01a772ae..13cf85cfb 100755
--- a/tests/tac/tac-continue.sh
+++ b/tests/tac/tac-continue.sh
@@ -3,7 +3,7 @@
 # when it encounters an error with say the first one.
 # With coreutils-5.2.1 and earlier, this test would fail.
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tac/tac.pl b/tests/tac/tac.pl
index dd67c80ee..5219dc6af 100755
--- a/tests/tac/tac.pl
+++ b/tests/tac/tac.pl
@@ -1,6 +1,6 @@
 #!/usr/bin/perl
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/F-headers.sh b/tests/tail/F-headers.sh
index ef4b9bc8a..61d982192 100755
--- a/tests/tail/F-headers.sh
+++ b/tests/tail/F-headers.sh
@@ -3,7 +3,7 @@
 # Between coreutils 7.5 and 8.23 inclusive, 'tail -F ...' would
 # not output headers for or created/renamed files in certain cases.
 
-# Copyright (C) 2015-2023 Free Software Foundation, Inc.
+# Copyright (C) 2015-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/F-vs-missing.sh b/tests/tail/F-vs-missing.sh
index da4d4f798..1ff2059f3 100755
--- a/tests/tail/F-vs-missing.sh
+++ b/tests/tail/F-vs-missing.sh
@@ -3,7 +3,7 @@
 # Before coreutils-8.6, tail -F missing/file would not
 # notice any subsequent availability of the missing/file.
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/F-vs-rename.sh b/tests/tail/F-vs-rename.sh
index 1048054fc..df2422985 100755
--- a/tests/tail/F-vs-rename.sh
+++ b/tests/tail/F-vs-rename.sh
@@ -3,7 +3,7 @@
 # Between coreutils 7.5 and 8.2 inclusive, 'tail -F a b' would
 # stop tracking additions to b after 'mv a b'.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/append-only.sh b/tests/tail/append-only.sh
index 9ce855bb7..cf885a273 100755
--- a/tests/tail/append-only.sh
+++ b/tests/tail/append-only.sh
@@ -2,7 +2,7 @@
 # Ensure that tail -f works on an append-only file
 # Requires root access to do chattr +a, as well as an ext[23] or xfs file system
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/assert-2.sh b/tests/tail/assert-2.sh
index 4592c8caf..d6e9e9660 100755
--- a/tests/tail/assert-2.sh
+++ b/tests/tail/assert-2.sh
@@ -3,7 +3,7 @@
 # Due to a race condition in the test, the 'assert' script would get
 # the UMR on Solaris only some of the time, and not at all on Linux/GNU.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/assert.sh b/tests/tail/assert.sh
index dda990463..f98f069a0 100755
--- a/tests/tail/assert.sh
+++ b/tests/tail/assert.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test for assertion failure in "test".
 
-# Copyright (C) 1999-2023 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/big-4gb.sh b/tests/tail/big-4gb.sh
index 2e8379bb4..04200f949 100755
--- a/tests/tail/big-4gb.sh
+++ b/tests/tail/big-4gb.sh
@@ -2,7 +2,7 @@
 # Demonstrate a bug in 'tail -cN' when operating on files of size 4G and larger
 # Fixed in coreutils-4.5.2.
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/descriptor-vs-rename.sh b/tests/tail/descriptor-vs-rename.sh
index f99a4affa..18cde2886 100755
--- a/tests/tail/descriptor-vs-rename.sh
+++ b/tests/tail/descriptor-vs-rename.sh
@@ -3,7 +3,7 @@
 # Between coreutils 7.5 and 8.23 inclusive, 'tail -f a' would
 # stop tracking additions to b after 'mv a b'.
 
-# Copyright (C) 2015-2023 Free Software Foundation, Inc.
+# Copyright (C) 2015-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/end-of-device.sh b/tests/tail/end-of-device.sh
index 8c0da1dc1..3bbfd7988 100755
--- a/tests/tail/end-of-device.sh
+++ b/tests/tail/end-of-device.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that tail seeks to the end of a device
 
-# Copyright (C) 2017-2023 Free Software Foundation, Inc.
+# Copyright (C) 2017-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/flush-initial.sh b/tests/tail/flush-initial.sh
index 00ca5356c..68df61842 100755
--- a/tests/tail/flush-initial.sh
+++ b/tests/tail/flush-initial.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # inotify-based tail -f didn't flush its initial output before blocking
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/follow-name.sh b/tests/tail/follow-name.sh
index a414b69c5..64864edfb 100755
--- a/tests/tail/follow-name.sh
+++ b/tests/tail/follow-name.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that --follow=name does not imply --retry
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/follow-stdin.sh b/tests/tail/follow-stdin.sh
index 0c415d3d2..799353a0e 100755
--- a/tests/tail/follow-stdin.sh
+++ b/tests/tail/follow-stdin.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test tail -f -
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/inotify-dir-recreate.sh b/tests/tail/inotify-dir-recreate.sh
index 3d2ce996a..1f8a2aed4 100755
--- a/tests/tail/inotify-dir-recreate.sh
+++ b/tests/tail/inotify-dir-recreate.sh
@@ -3,7 +3,7 @@
 # of the watched file was removed and recreated.
 # (...instead of getting stuck forever)
 
-# Copyright (C) 2017-2023 Free Software Foundation, Inc.
+# Copyright (C) 2017-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/inotify-hash-abuse.sh b/tests/tail/inotify-hash-abuse.sh
index 26af820bd..dc75e1952 100755
--- a/tests/tail/inotify-hash-abuse.sh
+++ b/tests/tail/inotify-hash-abuse.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise an abort-inducing flaw in inotify-enabled tail -F.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/inotify-hash-abuse2.sh b/tests/tail/inotify-hash-abuse2.sh
index ba97d3b94..72cc90722 100755
--- a/tests/tail/inotify-hash-abuse2.sh
+++ b/tests/tail/inotify-hash-abuse2.sh
@@ -2,7 +2,7 @@
 # Exercise an abort-inducing flaw in inotify-enabled tail -F.
 # Like inotify-hash-abuse, but without a hard-coded "9".
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/inotify-only-regular.sh b/tests/tail/inotify-only-regular.sh
index 2ecf66baa..0f3a93949 100755
--- a/tests/tail/inotify-only-regular.sh
+++ b/tests/tail/inotify-only-regular.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that tail -f only uses inotify for regular files or fifos
 
-# Copyright (C) 2017-2023 Free Software Foundation, Inc.
+# Copyright (C) 2017-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/inotify-race.sh b/tests/tail/inotify-race.sh
index 63f906536..e284d419c 100755
--- a/tests/tail/inotify-race.sh
+++ b/tests/tail/inotify-race.sh
@@ -5,7 +5,7 @@
 # indefinitely if no *other* data is appended, but it would be printed as
 # soon as any additional appended data is detected.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/inotify-race2.sh b/tests/tail/inotify-race2.sh
index 19219b72e..427581941 100755
--- a/tests/tail/inotify-race2.sh
+++ b/tests/tail/inotify-race2.sh
@@ -4,7 +4,7 @@
 # are established in tail_forever_inotify.  That new file would be ignored
 # indefinitely.
 
-# Copyright (C) 2015-2023 Free Software Foundation, Inc.
+# Copyright (C) 2015-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/inotify-rotate-resources.sh b/tests/tail/inotify-rotate-resources.sh
index 543529e85..6fedcad55 100755
--- a/tests/tail/inotify-rotate-resources.sh
+++ b/tests/tail/inotify-rotate-resources.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that tail -F doesn't leak inotify resources
 
-# Copyright (C) 2015-2023 Free Software Foundation, Inc.
+# Copyright (C) 2015-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/inotify-rotate.sh b/tests/tail/inotify-rotate.sh
index 55338b51c..c39172668 100755
--- a/tests/tail/inotify-rotate.sh
+++ b/tests/tail/inotify-rotate.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that tail -F handles rotation
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/overlay-headers.sh b/tests/tail/overlay-headers.sh
index 59f6e1e7b..d4c764769 100755
--- a/tests/tail/overlay-headers.sh
+++ b/tests/tail/overlay-headers.sh
@@ -2,7 +2,7 @@
 # inotify-based tail would output redundant headers for
 # overlapping inotify events while it was suspended
 
-# Copyright (C) 2017-2023 Free Software Foundation, Inc.
+# Copyright (C) 2017-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/pid.sh b/tests/tail/pid.sh
index f062be964..2bbd5b6fd 100755
--- a/tests/tail/pid.sh
+++ b/tests/tail/pid.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test the --pid option of tail.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/pipe-f.sh b/tests/tail/pipe-f.sh
index 46bcbbeae..558c7a3bf 100755
--- a/tests/tail/pipe-f.sh
+++ b/tests/tail/pipe-f.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that tail -f doesn't hang in various cases
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/pipe-f2.sh b/tests/tail/pipe-f2.sh
index edbe3ff00..49f397876 100755
--- a/tests/tail/pipe-f2.sh
+++ b/tests/tail/pipe-f2.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that "tail -f fifo" tails indefinitely.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/proc-ksyms.sh b/tests/tail/proc-ksyms.sh
index 5f9b2391e..2dbf3a631 100755
--- a/tests/tail/proc-ksyms.sh
+++ b/tests/tail/proc-ksyms.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Prior to textutils-2.0.17, 'tail /proc/ksyms' would segfault on Linux.
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/retry.sh b/tests/tail/retry.sh
index cb75e0580..aa39c105b 100755
--- a/tests/tail/retry.sh
+++ b/tests/tail/retry.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise tail's behavior regarding missing files with/without --retry.
 
-# Copyright (C) 2013-2023 Free Software Foundation, Inc.
+# Copyright (C) 2013-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/start-middle.sh b/tests/tail/start-middle.sh
index a64bb2d25..229f61bc8 100755
--- a/tests/tail/start-middle.sh
+++ b/tests/tail/start-middle.sh
@@ -2,7 +2,7 @@
 # Verify that tail works even when it's reading from a file
 # that is not at its beginning.  Based on a report from John Roll.
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/symlink.sh b/tests/tail/symlink.sh
index 97184d41a..313286983 100755
--- a/tests/tail/symlink.sh
+++ b/tests/tail/symlink.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure tail tracks symlinks properly.
 
-# Copyright (C) 2013-2023 Free Software Foundation, Inc.
+# Copyright (C) 2013-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/tail-c.sh b/tests/tail/tail-c.sh
index cd9290910..f518e5b21 100755
--- a/tests/tail/tail-c.sh
+++ b/tests/tail/tail-c.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # exercise tail -c
 
-# Copyright 2014-2023 Free Software Foundation, Inc.
+# Copyright 2014-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/tail-n0f.sh b/tests/tail/tail-n0f.sh
index a3ce5f83b..2e2595b0f 100755
--- a/tests/tail/tail-n0f.sh
+++ b/tests/tail/tail-n0f.sh
@@ -2,7 +2,7 @@
 # Make sure that 'tail -n0 -f' and 'tail -c0 -f' sleep
 # rather than doing what amounted to a busy-wait.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/tail-sysfs.sh b/tests/tail/tail-sysfs.sh
index 00874b3dc..eb9b482a8 100755
--- a/tests/tail/tail-sysfs.sh
+++ b/tests/tail/tail-sysfs.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # sysfs files have weird properties that can be influenced by page size
 
-# Copyright 2023 Free Software Foundation, Inc.
+# Copyright 2023-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/tail.pl b/tests/tail/tail.pl
index 1ff1a907b..f46a97aa4 100755
--- a/tests/tail/tail.pl
+++ b/tests/tail/tail.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test tail.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/truncate.sh b/tests/tail/truncate.sh
index 7c9fbfc74..4a2a15492 100755
--- a/tests/tail/truncate.sh
+++ b/tests/tail/truncate.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure all logs are output upon file truncation
 
-# Copyright (C) 2015-2023 Free Software Foundation, Inc.
+# Copyright (C) 2015-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tail/wait.sh b/tests/tail/wait.sh
index 12b906bf4..c7374bc8e 100755
--- a/tests/tail/wait.sh
+++ b/tests/tail/wait.sh
@@ -2,7 +2,7 @@
 # Make sure that 'tail -f' returns immediately if a file doesn't exist
 # while 'tail -F' waits for it to appear.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/test/test-N.sh b/tests/test/test-N.sh
index 58b3976a9..37db9c806 100755
--- a/tests/test/test-N.sh
+++ b/tests/test/test-N.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test 'test -N file'.
 
-# Copyright (C) 2018-2023 Free Software Foundation, Inc.
+# Copyright (C) 2018-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/test/test-diag.pl b/tests/test/test-diag.pl
index 521020386..af61f2405 100755
--- a/tests/test/test-diag.pl
+++ b/tests/test/test-diag.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test the diagnostics of "test".
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/test/test.pl b/tests/test/test.pl
index dfc396881..0433461d8 100755
--- a/tests/test/test.pl
+++ b/tests/test/test.pl
@@ -1,6 +1,6 @@
 #!/usr/bin/perl
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/timeout/timeout-blocked.pl b/tests/timeout/timeout-blocked.pl
index 2ec865f5b..aa0542a21 100755
--- a/tests/timeout/timeout-blocked.pl
+++ b/tests/timeout/timeout-blocked.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test that timeout handles blocked SIGALRM from its parent.
 
-# Copyright (C) 2013-2023 Free Software Foundation, Inc.
+# Copyright (C) 2013-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/timeout/timeout-group.sh b/tests/timeout/timeout-group.sh
index 053abc97b..7da24df29 100755
--- a/tests/timeout/timeout-group.sh
+++ b/tests/timeout/timeout-group.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # test program group handling
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/timeout/timeout-large-parameters.sh b/tests/timeout/timeout-large-parameters.sh
index 510d9850c..a79ac5e7d 100755
--- a/tests/timeout/timeout-large-parameters.sh
+++ b/tests/timeout/timeout-large-parameters.sh
@@ -2,7 +2,7 @@
 # Validate large timeout parameters
 # Separated from standard parameter testing due to kernel overflow bugs.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/timeout/timeout-parameters.sh b/tests/timeout/timeout-parameters.sh
index 8bb74c5b1..96acff0d6 100755
--- a/tests/timeout/timeout-parameters.sh
+++ b/tests/timeout/timeout-parameters.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Validate timeout parameter combinations
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/timeout/timeout.sh b/tests/timeout/timeout.sh
index 088177062..882d1300d 100755
--- a/tests/timeout/timeout.sh
+++ b/tests/timeout/timeout.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Validate timeout basic operation
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/touch/60-seconds.sh b/tests/touch/60-seconds.sh
index 9c5985665..52933b238 100755
--- a/tests/touch/60-seconds.sh
+++ b/tests/touch/60-seconds.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # touch -t would mistakenly reject a time specifying "60" seconds
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/touch/dangling-symlink.sh b/tests/touch/dangling-symlink.sh
index 0904e3ea0..6a7d71883 100755
--- a/tests/touch/dangling-symlink.sh
+++ b/tests/touch/dangling-symlink.sh
@@ -2,7 +2,7 @@
 # Make sure touch can create a file through a dangling symlink.
 # This was broken in the 4.0[e-i] test releases.
 
-# Copyright (C) 1999-2023 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/touch/empty-file.sh b/tests/touch/empty-file.sh
index 6946ae304..633884c0a 100755
--- a/tests/touch/empty-file.sh
+++ b/tests/touch/empty-file.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure touch can set the mtime on an empty file.
 
-# Copyright (C) 1998-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/touch/fail-diag.sh b/tests/touch/fail-diag.sh
index 73d6e39d8..636f0a3cc 100755
--- a/tests/touch/fail-diag.sh
+++ b/tests/touch/fail-diag.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # make sure touch gives reasonable diagnostics
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/touch/fifo.sh b/tests/touch/fifo.sh
index f05f5e812..89f7fb488 100755
--- a/tests/touch/fifo.sh
+++ b/tests/touch/fifo.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure touch works on fifos without hanging.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/touch/no-create-missing.sh b/tests/touch/no-create-missing.sh
index 0351b9d5d..f5290e951 100755
--- a/tests/touch/no-create-missing.sh
+++ b/tests/touch/no-create-missing.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that touch -c no-such-file no longer fails (it did in 4.1.8).
 
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/touch/no-dereference.sh b/tests/touch/no-dereference.sh
index adbf1f7a0..d184d8f19 100755
--- a/tests/touch/no-dereference.sh
+++ b/tests/touch/no-dereference.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that touch -h works.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/touch/no-rights.sh b/tests/touch/no-rights.sh
index 8dec177cd..3c83f34d5 100755
--- a/tests/touch/no-rights.sh
+++ b/tests/touch/no-rights.sh
@@ -2,7 +2,7 @@
 # Make sure touch can update the times on a file that is neither
 # readable nor writable.
 
-# Copyright (C) 1999-2023 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/touch/not-owner.sh b/tests/touch/not-owner.sh
index c9428de3e..410c2f4a0 100755
--- a/tests/touch/not-owner.sh
+++ b/tests/touch/not-owner.sh
@@ -2,7 +2,7 @@
 # Make sure that touch gives reasonable diagnostics when applied
 # to an unwritable directory owned by some other user.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/touch/now-owned-by-other.sh b/tests/touch/now-owned-by-other.sh
index ad4901c7f..86c70529c 100755
--- a/tests/touch/now-owned-by-other.sh
+++ b/tests/touch/now-owned-by-other.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Demonstrate that "touch -d now writable-but-owned-by-other" works.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/touch/obsolescent.sh b/tests/touch/obsolescent.sh
index 76d55aa28..33f5074d5 100755
--- a/tests/touch/obsolescent.sh
+++ b/tests/touch/obsolescent.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test touch with obsolescent 8- or 10-digit timestamps.
 
-# Copyright (C) 2000-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/touch/read-only.sh b/tests/touch/read-only.sh
index 18e2c6a24..f677b980f 100755
--- a/tests/touch/read-only.sh
+++ b/tests/touch/read-only.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ensure that touch can operate on read-only files
 
-# Copyright (C) 2005-2023 Free Software Foundation, Inc.
+# Copyright (C) 2005-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/touch/relative.sh b/tests/touch/relative.sh
index 03ce8de99..6e67a26d6 100755
--- a/tests/touch/relative.sh
+++ b/tests/touch/relative.sh
@@ -2,7 +2,7 @@
 # Demonstrate using a combination of --reference and --date to
 # set the time of a file back by an arbitrary amount.
 
-# Copyright (C) 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/touch/trailing-slash.sh b/tests/touch/trailing-slash.sh
index 0c48f3de0..255045903 100755
--- a/tests/touch/trailing-slash.sh
+++ b/tests/touch/trailing-slash.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that touch honors trailing slash.
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tr/tr-case-class.sh b/tests/tr/tr-case-class.sh
index 6f15b8afb..d19e94b80 100755
--- a/tests/tr/tr-case-class.sh
+++ b/tests/tr/tr-case-class.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test case conversion classes
 
-# Copyright (C) 2010-2023 Free Software Foundation, Inc.
+# Copyright (C) 2010-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tr/tr.pl b/tests/tr/tr.pl
index 997b8a6d3..671005622 100755
--- a/tests/tr/tr.pl
+++ b/tests/tr/tr.pl
@@ -1,6 +1,6 @@
 #!/usr/bin/perl
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/truncate/truncate-dangling-symlink.sh b/tests/truncate/truncate-dangling-symlink.sh
index d2e3b79a4..17ab132ef 100755
--- a/tests/truncate/truncate-dangling-symlink.sh
+++ b/tests/truncate/truncate-dangling-symlink.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure truncate can create a file through a dangling symlink.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/truncate/truncate-dir-fail.sh b/tests/truncate/truncate-dir-fail.sh
index cee78010b..4938a2568 100755
--- a/tests/truncate/truncate-dir-fail.sh
+++ b/tests/truncate/truncate-dir-fail.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure truncate fails for a directory.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/truncate/truncate-fail-diag.sh b/tests/truncate/truncate-fail-diag.sh
index 225754832..ebd7bf5dd 100755
--- a/tests/truncate/truncate-fail-diag.sh
+++ b/tests/truncate/truncate-fail-diag.sh
@@ -5,7 +5,7 @@
 # open ("missing/", O_CREAT & (O_WRONLY | O_RDWR), ...) -> EISDIR
 # open ("missing/file", O_CREAT & (O_WRONLY | O_RDWR), ...) -> ENOENT
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/truncate/truncate-fifo.sh b/tests/truncate/truncate-fifo.sh
index c89555cb1..d8457fd2d 100755
--- a/tests/truncate/truncate-fifo.sh
+++ b/tests/truncate/truncate-fifo.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Make sure truncate works on fifos without hanging
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/truncate/truncate-no-create-missing.sh b/tests/truncate/truncate-no-create-missing.sh
index bf6e6573b..4498f6d4e 100755
--- a/tests/truncate/truncate-no-create-missing.sh
+++ b/tests/truncate/truncate-no-create-missing.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that truncate -c no-such-file doesn't fail.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/truncate/truncate-overflow.sh b/tests/truncate/truncate-overflow.sh
index 22bda70bb..7262812ae 100755
--- a/tests/truncate/truncate-overflow.sh
+++ b/tests/truncate/truncate-overflow.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Validate truncate integer overflow
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/truncate/truncate-owned-by-other.sh b/tests/truncate/truncate-owned-by-other.sh
index f213e8fe3..d8b2544bf 100755
--- a/tests/truncate/truncate-owned-by-other.sh
+++ b/tests/truncate/truncate-owned-by-other.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Demonstrate that "truncate -s0 writable-but-owned-by-other" works.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/truncate/truncate-parameters.sh b/tests/truncate/truncate-parameters.sh
index a7f5685d1..82325f263 100755
--- a/tests/truncate/truncate-parameters.sh
+++ b/tests/truncate/truncate-parameters.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Validate truncate parameter combinations
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/truncate/truncate-relative.sh b/tests/truncate/truncate-relative.sh
index 57be8b457..9c711f6e1 100755
--- a/tests/truncate/truncate-relative.sh
+++ b/tests/truncate/truncate-relative.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Validate truncate relative sizes
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tty/tty-eof.pl b/tests/tty/tty-eof.pl
index ad639189f..0adbca4a8 100755
--- a/tests/tty/tty-eof.pl
+++ b/tests/tty/tty-eof.pl
@@ -4,7 +4,7 @@
 # Do the same for all programs that can read stdin,
 # require no arguments and that write to standard output.
 
-# Copyright (C) 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/tty/tty.sh b/tests/tty/tty.sh
index 0b0ff661d..14ada2b97 100755
--- a/tests/tty/tty.sh
+++ b/tests/tty/tty.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test 'tty'.
 
-# Copyright 2017-2023 Free Software Foundation, Inc.
+# Copyright 2017-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/uniq/uniq-collate.sh b/tests/uniq/uniq-collate.sh
index 76b1aaa5f..34020b07a 100755
--- a/tests/uniq/uniq-collate.sh
+++ b/tests/uniq/uniq-collate.sh
@@ -3,7 +3,7 @@
 # items which compared equal with strcoll()
 # So ensure we avoid strcoll() for the following cases.
 
-# Copyright (C) 2020-2023 Free Software Foundation, Inc.
+# Copyright (C) 2020-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/uniq/uniq-perf.sh b/tests/uniq/uniq-perf.sh
index b4af6734d..17e31923f 100755
--- a/tests/uniq/uniq-perf.sh
+++ b/tests/uniq/uniq-perf.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # before coreutils-8.10, seq 100000|uniq -f 10000000000 would run for days
 
-# Copyright (C) 2011-2023 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/uniq/uniq.pl b/tests/uniq/uniq.pl
index b9653a5bf..34457b000 100755
--- a/tests/uniq/uniq.pl
+++ b/tests/uniq/uniq.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Test uniq.
 
-# Copyright (C) 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2008-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/wc/wc-files0-from.pl b/tests/wc/wc-files0-from.pl
index 84da7808c..87d547cb6 100755
--- a/tests/wc/wc-files0-from.pl
+++ b/tests/wc/wc-files0-from.pl
@@ -2,7 +2,7 @@
 # Exercise wc's --files0-from option.
 # FIXME: keep this file in sync with tests/du/files0-from.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/wc/wc-files0.sh b/tests/wc/wc-files0.sh
index 175230514..a6bc81b80 100755
--- a/tests/wc/wc-files0.sh
+++ b/tests/wc/wc-files0.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Show that wc's new --files0-from option works.
 
-# Copyright (C) 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/wc/wc-nbsp.sh b/tests/wc/wc-nbsp.sh
index 584a8f735..371cc8b5b 100755
--- a/tests/wc/wc-nbsp.sh
+++ b/tests/wc/wc-nbsp.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test non breaking space handling
 
-# Copyright (C) 2019-2023 Free Software Foundation, Inc.
+# Copyright (C) 2019-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/wc/wc-parallel.sh b/tests/wc/wc-parallel.sh
index 0319f6e89..999261afc 100755
--- a/tests/wc/wc-parallel.sh
+++ b/tests/wc/wc-parallel.sh
@@ -2,7 +2,7 @@
 # Ensure that wc prints counts atomically
 # so that concurrent processes don't intersperse their output
 
-# Copyright (C) 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/wc/wc-proc.sh b/tests/wc/wc-proc.sh
index 2307f2c38..e2cac15f3 100755
--- a/tests/wc/wc-proc.sh
+++ b/tests/wc/wc-proc.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test wc on /proc and /sys files.
 
-# Copyright 2014-2023 Free Software Foundation, Inc.
+# Copyright 2014-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/wc/wc-total.sh b/tests/wc/wc-total.sh
index 113b35504..63aaf1fb5 100755
--- a/tests/wc/wc-total.sh
+++ b/tests/wc/wc-total.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Show that wc's --total option works.
 
-# Copyright (C) 2022-2023 Free Software Foundation, Inc.
+# Copyright (C) 2022-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/tests/wc/wc.pl b/tests/wc/wc.pl
index 8a8a334c8..6e72f21a7 100755
--- a/tests/wc/wc.pl
+++ b/tests/wc/wc.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # Basic tests for "wc".
 
-# Copyright (C) 1997-2023 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by