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 ...

Apple's operating system has cultivated a reputation for being more user-friendly and bestowing a functional charm upon Apple ...

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