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

An operating system is a collection (or suite) of programs that manages and controls the computer. Operating systems have many functions: ...

Functions of the Operating System Booting Up The OS is the first thing that loads when you power on your device. It initialises hardware, checks systems, and prepares the computer for use.

Brief Description of Course Content Examines the structure and function of operating systems as an intermediary between applications and computer hardware. Topics include OS design goals, hardware ...