This is a list of operating systems. Computer operating systems can be categorized by technology, ownership, licensing, working state, usage, and by many...

are a number of Unix-like operating systems under active development, descended from the Berkeley Software Distribution (BSD) series of UNIX variants...

This is a list of Microsoft written and published operating systems. For the codenames that Microsoft gave their operating systems, see Microsoft codenames...

This article presents a timeline of events in the history of computer operating systems from 1951 to the current day. For a narrative explaining the overall...

Other specialized classes of operating systems (special-purpose operating systems), such as embedded and real-time systems, exist for many applications...

The following is a list of operating systems released by Apple Inc. As of 2023, there are six supported software platforms: iOS, iPadOS, watchOS, tvOS...

tables provide a comparison of operating systems, of computer devices, as listing general and technical information for a number of widely used and currently...

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...

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...

Comparison of real-time operating systems (RTOS list) DO-178B Earliest deadline first scheduling Firmware Interruptible operating system INtime Least...

hybridization of the 2-in-1 PCs. Mobile operating systems combine features of a desktop computer operating system with other features useful for mobile...

software / open-source operating systems. Where not all of the versions support a feature, the first version which supports it is listed. No for single line...

The most numerous type of device with an operating system are embedded systems. Not all embedded systems have operating systems, instead running their...

This is a list of operating systems specifically focused on security. Similar concepts include security-evaluated operating systems that have achieved...

difficult to write. The use of the BIOS is uncommon in operating systems that operate in Protected mode or Long mode, because the system must switch back to real...

versions of MS-DOS, IBM PC DOS, and at least partially compatible disk operating systems. It does not include the many other operating systems called "DOS"...

appropriately used only for older generations of operating systems.[citation needed] Disk operating systems for mainframes, minicomputers, microprocessors...

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

This page is a glossary of Operating systems terminology. Contents A B C D E F G H I J K L M N O P Q R S T U V W X Y Z References access token: In Microsoft...

Comparison of BSD operating systems Comparison of Microsoft Windows versions List of operating systems Comparison of file systems Comparison of operating systems...

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

(/ˈjuːnɪks/ , YOO-niks; trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T Unix, whose development...

Mac operating systems were developed by Apple Inc. in a succession of two major series. In 1984, Apple debuted the operating system that is now known...

supercomputer operating system is an operating system intended for supercomputers. Since the end of the 20th century, supercomputer operating systems have undergone...

is a family of IBM virtual machine operating systems used on IBM mainframes System/370, System/390, zSeries, System z and compatible systems, including...

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

software portal Cray Time Sharing System Timeline of operating systems T-0103C-CRAY_1_Computer_System-Operating_System_COS_Workbook-Training-15th September_1981...

An embedded operating system (EOS) is an operating system designed specifically for embedded computer systems. These systems aim to enhance functionality...

ed. (2001). "1 The evolution of operating systems". Classic operating systems: from batch processing to distributed systems. New York: Springer-Verlag....

computer operating system built by ETH Zurich with the assistance of Microsoft Research in Cambridge. It is an experimental operating system designed...