What are open-source operating systems? Underpinning an operating system, for example Windows on your PC or Android on your phone, is many, many lines of code. Allowing anyone to inspect the source ...

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 ...

Linux is a tried-and-true, open-source operating system released in 1991 for computers, but its use has expanded to underpin systems for cars, phones, web servers and, more recently, networking gear.

What's really the most popular operating system? That depends on how you look at them and who's doing the looking. For example, Net Applications shows Windows on top of the desktop operating system ...

10 things that can go wrong when you upgrade your operating system Your email has been sent Upgrading to a new operating system — whether it’s one personal computer at home or an office full of ...