to include in an operating system varies greatly, and this functionality makes up the great majority of code for most operating systems. With multiprocessors...

Android is a mobile operating system based on a modified version of the Linux kernel and other open-source software, designed primarily for touchscreen...

The kernel is a computer program at the core of a computer's operating system and generally has complete control over everything in the system. The kernel...

laptops, and the hybridization of the two in 2-in-1 PCs. Mobile operating systems combine features of a desktop computer operating system with other features...

Darwin is the core Unix-like operating system of macOS (previously OS X and Mac OS X), iOS, watchOS, tvOS, iPadOS, audioOS, visionOS, and bridgeOS. It...

Sprite is an experimental Unix-like distributed operating system developed at the University of California, Berkeley by John Ousterhout's research group...

graphical operating systems developed and marketed by Microsoft. It is grouped into families and sub-families that cater to particular sectors of the computing...

Watch watchOS Apple TV tvOS Embedded operating systems bridgeOS Apple Vision Pro visionOS Embedded operating systems A/ROSE iPod software (unnamed embedded...

Haiku, originally OpenBeOS, is a free and open-source operating system for personal computers. It is a community-driven continuation of BeOS and aims to...

of Microsoft written and published operating systems. For the codenames that Microsoft gave their operating systems, see Microsoft codenames. For another...