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28b176085f
Update to latest gnulib with new copyright year. Run "make update-copyright" and then... * gnulib: Update included in this commit as copyright years are the only change from the previous gnulib commit. * tests/init.sh: Sync with gnulib to pick up copyright year. * bootstrap: Likewise. * tests/sample-test: Adjust to use the single most recent year.
30 lines
1.1 KiB
Plaintext
30 lines
1.1 KiB
Plaintext
'\" Copyright (C) 1998-2025 Free Software Foundation, Inc.
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'\"
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'\" This is free software. You may redistribute copies of it under the terms
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'\" of the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
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'\" There is NO WARRANTY, to the extent permitted by law.
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[NAME]
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df \- report file system space usage
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[DESCRIPTION]
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This manual page
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documents the GNU version of
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.BR df .
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.B df
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displays the amount of space available on the file system
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containing each file name argument. If no file name is given, the
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space available on all currently mounted file systems is shown.
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Space is shown in 1K blocks by default, unless the environment
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variable POSIXLY_CORRECT is set, in which case 512-byte blocks are
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used.
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.PP
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If an argument is the absolute file name of a device node containing a
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mounted file system,
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.B df
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shows the space available on that file system rather than on the
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file system containing the device node. This version of
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.B df
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cannot show the space available on unmounted file systems, because on
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most kinds of systems doing so requires non-portable intimate
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knowledge of file system structures.
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.SH OPTIONS
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