Commercial Operating System (COS) is a discontinued family of operating systems from Digital Equipment Corporation. They supported the use of DIBOL, a...

operating system of macOS, iOS, watchOS, tvOS, iPadOS, audioOS, visionOS, and bridgeOS. It previously existed as an independent open-source operating...

Inferno is a distributed operating system started at Bell Labs and now developed and maintained by Vita Nuova Holdings as free software under the MIT License...

Genera is a commercial operating system and integrated development environment for Lisp machines created by Symbolics. It is essentially a fork of an...

Zephyr (/ˈzɛf ər/) is a small real-time operating system (RTOS) for connected, resource-constrained and embedded devices (with an emphasis on microcontrollers)...

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

real-time operating systems (RTOSes) produced and marketed by Green Hills Software. INTEGRITY is POSIX-certified and intended for use in embedded systems of...

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

computer operating systems from 1951 to the current day. For a narrative explaining the overall developments, see the History of operating systems. 1951...

Computer operating systems (OSes) provide a set of functions needed and used by most application programs on a computer, and the links needed to control...

of the Android mobile operating system began with the public release of its first beta on November 5, 2007. The first commercial version, Android 1.0,...

An operating system (OS) is system software that manages computer hardware and software resources, and provides common services for computer programs...

Operating System, also known as the Pick System or simply Pick, is a demand-paged, multi-user, virtual memory, time-sharing computer operating system...

Rhapsody into Darwin, an open source operating system that is the foundation for Apple's current commercial operating systems. Since Rhapsody could run on both...

program at the core of a computer's operating system that always has complete control over everything in the system. The kernel is also responsible for...

Robot Operating System (ROS or ros) is an open-source robotics middleware suite. Although ROS is not an operating system (OS) but a set of software frameworks...

Technologies Operating System, also known variously as CTOS, BTOS and STARSYS, is a discontinued modular, message-passing, multiprocess-based operating system. CTOS...

A Linux distribution, often abbreviated as distro, is an operating system that includes the Linux kernel for its kernel functionality. Although the name...

operating systems § Market share by category) Windows PE: A lightweight version of its Windows sibling, meant to operate as a live operating system,...

The usage share of an operating system is the percentage of computers running that operating system (OS). These statistics are estimates as wide scale...

Singularity is an experimental operating system developed by Microsoft Research between July 9, 2003, and February 7, 2015. It was designed as a high dependability...

computer) operating systems. The article "Usage share of operating systems" provides a broader, and more general, comparison of operating systems that includes...

Helios is a discontinued Unix-like operating system for parallel computers. It was developed and published by Perihelion Software. Its primary architecture...

This is a list of real-time operating systems (RTOSs). This is an operating system in which the time taken to process an input stimulus is less than the...

A mobile operating system is an operating system used for smartphones, tablets, smartwatches, smartglasses, or other non-laptop personal mobile computing...

portable operating system: almost the entire operating system is written in the C programming language (in 1973), which allows Unix to operate on numerous...

Unix-like, multi-user, real-time operating system released by Whitesmiths, of Westford, Massachusetts. The product was commercially available from 1979 through...

managed code operating system (OS) being jointly developed by Microsoft and Microsoft Research. It had been reported to be a possible commercial implementation...

The V operating system (sometimes written V-System) is a discontinued microkernel distributed operating system that was developed by faculty and students...

VME (Virtual Machine Environment) is a mainframe operating system developed by the UK company International Computers Limited (ICL, now part of the Fujitsu...