A checksum is a string of characters which uniquely identifies afile, a digital fingerprint. Change even a few bytes of a file–forexample, by infecting it with a virus or replacing an old versionwith ...

I'm in the process of upgrading my file server and I'm currently transferring all my files onto an external hard drive.<BR><BR>I'm using cp -av to do the copy. After that's done it would be nice to ...

A checksum is a way to ensure that a file is not altered. It is a mahmatical value that will be radically different if even the slightest change is made to the file.