Minio Client (mc) 
mc provides minimal tools to work with Amazon S3 compatible cloud storage and filesystems. It has features to resume partial downloads, progress bar, parallel copy and network reconnect. mc is written in golang and released under Apache license v2.
Commands
mc implements the following commands
ls List files and folders.
mb Make a bucket or folder.
cat Display contents of a file.
cp Copy files and folders from many sources to a single destination.
mirror Mirror folders recursively from a single source to many destinations.
session Manage sessions for cp and mirror.
share Share documents via URL.
diff Compute differences between two files or folders.
access Set access permissions.
config Modify, add, remove alias from default configuration file [~/.mc/config.json].
update Check for new software updates.
version Print version.
Install 
GNU/Linux
Download mc from https://dl.minio.io:9000/updates/2015/Sept/linux-amd64/mc
$ wget https://dl.minio.io:9000/updates/2015/Sept/linux-amd64/mc
$ chmod +x mc
$ ./mc
OS X
Download mc from https://dl.minio.io:9000/updates/2015/Sept/darwin-amd64/mc
$ curl https://dl.minio.io:9000/updates/2015/Sept/darwin-amd64/mc > mc
$ chmod +x mc
$ ./mc
Windows
Download mc from https://dl.minio.io:9000/updates/2015/Sept/windows-amd64/mc.exe
C:\Users\Username\Downloads> mc.exe
Source
If you do not have a working Golang environment, please follow Install Golang.
$ go get github.com/minio/mc
Public Minio Server
Minio server is hosted at https://play.minio.io:9000 for public use. This service is primarily intended for developers and users to familiarize themselves with Amazon S3 compatible cloud storage. Minio runs in memory mode with auto expiry of objects in about an hour. No account signup is required, which means S3 compatible tools and applications can access this service without access and secret keys.
How to use mc?
Configuring mc for Amazon S3
Update AccessKeyID and SecretAccessKey fields in your ~/.mc/config.json configuration file by following AWS Credentials Guide.