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 ...

Software is computer code that tells a computer how to perform a specific task. Software can include operating systems, applications, and malware.

Patrick Marshall answers questions about how to find out if you have a pirated version of a Windows operating system and how secure are VPNs.

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

The complete computer made up of the CPU, memory and related electronics (main cabinet), all the peripheral devices connected to it and its operating system. Computer systems fall into two ...