How to Create or Check the CRC MD5 for a File

Whenever you donwload a file you will need to test the integrity of that file you downloaded

So, you are on the INTERNET and looking for this driver that you need for your new device. Whether you are running MS Windows or Linux you will need to insure that the file you downloaded is the correct file that you are looking for. Here comes the MD5 for the rescue!

So, what is md5 any way?

How you can make use of md5 Tool?

How you can do that in MS Windows?

How about Linux, Ubuntu?

You should be able to run the command, 
md5sum    file_name
you will get something like this

Very simple process, I hope it is useful to someone out there.  You let me know.