Oct 24, 2017

Each operating system and setup offers its own version of tools for checking the MD5 checksum.

Typically the command is named md5sum, or it may be named md5, and some operating systems do not ship it at all. 

On Linux, it is part of the GNU Text Utilities package, which is available for a wide range of platforms. You can also download the source code from http://www.gnu.org/software/textutils/. If you have OpenSSL installed, you can use the command openssl md5 package_name instead.

A Windows implementation of the md5 command line utility is available from http://www.fourmilab.ch/md5/. winMd5Sum is a graphical MD5 checking tool that can be obtained from http://www.nullriver.com/index/products/winmd5sum.