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

Operating systems are the underlying software that actually run your computer. There are more of those than you might think, but for the purpose of this discussion, in the world of small and medium ...

Microsoft battled Digital Research’s CP/M-based operating systems for the next few years, but as Ruffer and Waldman note, Microsoft was the leading producer of computer languages and had control over ...

A new cloud-based operating system for all kinds of computer is being developed.