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.

In the consumer operating system market though, it occupies a perennial third place, with only two percent of the market share for desktop operating systems. Ubuntu was first released six years ago ...

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 ...

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 ...