It is always important to verify whether the large file you downloaded is the file you expected to download or not. This is because files may change in some way from the original while downloading.

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 ...

When you double-click on a file in Windows, it will automatically open a default program that is configured to manage these types of files. It is common, though, want or need to use a different ...

Ming Lai wants to know how backup programs handle files that are currently open and changing. Ming actually asked something much more specific: How does Mozy backup open TrueCrypt vault files. I’ll ...