Minio Client (mc) 
mc provides minimal tools to work with Amazon S3 compatible object 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
sync Copy files and folders from a single source to many destinations
diff Compute differences between two files or folders
access Set access permissions
config Generate default configuration file [~/.mc/config.json]
update Check for new software updates
Install
GNU/Linux
Download mc from https://dl.minio.io:9000/updates/2015/Jun/linux-amd64/mc
$ wget https://dl.minio.io:9000/updates/2015/Jun/linux-amd64/mc
$ chmod +x mc
$ ./mc config generate
OS X
Download mc from https://dl.minio.io:9000/updates/2015/Jun/darwin-amd64/mc
$ curl https://dl.minio.io:9000/updates/2015/Jun/darwin-amd64/mc > mc
$ chmod +x mc
$ ./mc config generate
Windows
Download mc from https://dl.minio.io:9000/updates/2015/Jun/windows-amd64/mc.exe
C:\Users\Username\Downloads> mc.exe config generate
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 object 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.
