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...

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

Mac OS (originally System Software; retronym: Classic Mac OS) is the series of operating systems developed for the Macintosh family of personal computers...

macOS, originally Mac OS X, previously shortened as OS X, is an operating system developed and marketed by Apple since 2001. It is the primary operating...

between the Classic Mac OS and Mac OS X. Rhapsody represented a new and exploratory strategy for Apple, more than an operating system, and runs on x86-based...

Mac OS. Operating systems before this were named Macintosh System Software through System Software 7.5, and known as System #.# for short. Operating systems...

starting the Mac OS X family of operating systems. Introduced on October 23, 1999, it was promoted by Apple as "The Best Internet Operating System Ever", highlighting...

The history of macOS, Apple's current Mac operating system formerly named Mac OS X until 2011 and then OS X until 2016, began with the company's project...

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

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

systems (special-purpose operating systems), such as embedded and real-time systems, exist for many applications. Security-focused operating systems also...

Mac OS X Jaguar (version 10.2) is the third major release of macOS, Apple's desktop and server operating system. It superseded Mac OS X 10.1 and preceded...

found in earlier versions of the Mac operating system. Before the release of Mac OS X in 2001, users modified system settings using control panels. Control...

network operating systems used across various Cisco Systems device including the Cisco Nexus and Cisco ASR platforms Junos OS; a network operating system that...

multitasking, and several new underlying operating system features, while retaining compatibility with existing Mac applications. Copland's tentatively planned...

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

macOS Monterey (version 12) is the eighteenth major release of macOS, Apple's desktop operating system for Macintosh computers. The successor to macOS...

macOS Mojave (/moʊˈhɑːvi, mə-/ mo-HAH-vee; version 10.14) is the fifteenth major release of macOS, Apple Inc.'s desktop operating system for Macintosh...

Mac OS 8 is the eighth major release of the classic Mac OS operating system for Macintosh computers, released by Apple Computer on July 26, 1997. It includes...

support for Mac OS X and support for other operating systems. Hardware and firmware components that must be supported to run an operating system on Apple-Intel...

System 7 (later named Mac OS 7) is the seventh major release of the classic Mac OS operating system for Macintosh computers, made by Apple Computer. It...

Mac OS X 10.1 (code named Puma) is the second major release of macOS, Apple's desktop and server operating system. It superseded Mac OS X 10.0 and preceded...

macOS Ventura (version 13) is the nineteenth major release of macOS, Apple's operating system for Macintosh computers. The successor to macOS Monterey...

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

iOS is based on macOS. Like macOS, it includes components of the Mach microkernel and FreeBSD. It is a Unix-like operating system. Although some parts...

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...

Mac OS X 10.0 (code named Cheetah) is the first major release of macOS, Apple's desktop and server operating system. It was released on March 24, 2001...

Mac OS X Tiger (version 10.4) is the 5th major release of macOS, Apple's desktop and server operating system for Mac computers. Tiger was released to the...

desktop and server operating system for Macintosh computers. The name "macOS" stems from the intention to unify the operating system's name with that of...

macOS Big Sur (version 11) is the seventeenth major release of macOS, Apple's operating system for Macintosh computers. It was announced at Apple's Worldwide...