What does master file actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

The command line is not only powerful, it can also be dangerous. Learn how to use commands for deleting files and folders correctly to make sure your time with Terminal is a productivity godsend ...

The Git working tree is comprised of files in their present state as they exist on the file system. The Git index -- to which files are staged -- is the second dimension. A commit of the staged files ...

The 66-year-old West Philadelphia woman lost access to her bank accounts, health insurance and retirement benefits after being mistakenly placed on the Social Security Administration's "Death ...

The Social Security Administration has long kept track of deaths so it can stop checks when recipients die. And while researchers have used the file for years, fraudsters have, too. So Congress is ...