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

A new-cloud based operating system for all kinds of computer is being developed by researchers in China. Details of the TransOS system are reported in a forthcoming special issue of the ...

The Ubuntu operating system brings the spirit of Ubuntu to the world of computers.” Simon Fraser University computer scientist Toby Donaldson says Ubuntu is popular because, unlike some other versions ...

New York Times writer Joe Nocera argues that the Windows operating system doesn't matter any more, because webapps are rendering all operating systems irrelevant. He asks: Do you really care ...

Ars Technica posted earlier that Google is to unveil its long rumored computer operating system, and now Google confirms this is true in a blog post: Introducing the Google Chrome OS. The company ...

Microsoft will be ending support for Windows 10 in October. If your computer isn't compatible with Windows 11, you still have options.

An operating system that is designed to work in a computer that processes 64 bits at a time. Most personal computers today are 64-bit, and mobile devices are expected to begin using 64-bit CPUs in ...