How many times have you been asked what operating system version you use, and you haven’t got a clue? The question is often asked when you’re seeking technical support for software or hardware issues, ...

The computer's master control program. When a computer is turned on, a small "boot program" loads the operating system. Although additional system modules may be loaded as needed, the main part, known ...

Looking for non-Linux open-source options? From ghosts of past operating systems to fascinating works in progress, here are my top picks.

Not sure which desktop operating system is best for you? We help you choose by comparing the top options based on app compatibility, ease of use, hardware availability, interface design, gaming ...