Operating systems (OS) are the intermediary between computer hardware and software, an essential piece of any digital device. Much like an orchestra conductor, they ensure harmonious communication ...

The computer's master control program. When a computer is turned on, a small "boot program" loads the operating system. Although additional system modules may be loaded as needed, the main part, known ...

Choosing an operating system in 2026 requires more thought than ever. Windows, macOS, Linux, and ChromeOS each offer unique strengths in hardware compatibility, software support, and user experience.

A system software component that is external to the operating system kernel. If the phrase is used to refer to the operating system itself, it is redundant because an operating system "is" software.