Windows continues to be the most widely used operating system in the world, powering over a billion devices from personal ...

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

An operating system is the essential software that's needed to run your computer's suite of software. Everything from video games to web browsing, basic word processing, and more is down thanks to ...

The original Portable Operating System Interface for Computing Environments (Posix) standard, first published in 1990, is based on Unix, a well-established technology dating back to the early 1970s.

Haiku is for those who experienced either NeXT or AfterStep and want an operating system that looks and feels a bit old school but performs faster than any OS they've ever experienced.