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...

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

macOS (previously OS X and originally Mac OS X) is a Unix-based operating system developed and marketed by Apple since 2001. It is the current 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...

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...

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

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

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

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 9 is the ninth and final major release of the classic Mac OS operating system for Macintosh computers, made by Apple Computer. Introduced on October...

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 It superseded Mac OS X 10.1 and preceded...

a list of operating systems released by Apple Inc. As of 2025, there are six supported software platforms: iOS, iPadOS, watchOS, tvOS, macOS and visionOS...

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

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...

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

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...

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...

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

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

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...

macOS High Sierra (version 10.13) is the fourteenth major release of macOS, Apple Inc.'s desktop operating system for Macintosh computers. macOS High Sierra...

Android, iOS, and iPadOS are mobile operating systems, while Windows, macOS, and Linux are desktop operating systems. Linux distributions are dominant in...

is a list of Mac software – notable computer applications for current macOS operating systems. For software designed for the Classic Mac OS, see List...

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

the operating system itself. Similarly, Xcode is offered for free on the Mac App Store and receives updates independently of the operating system despite...

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...

twelfth major release of macOS (named OS X at the time of El Capitan's release), Apple Inc.'s desktop and server operating system for Macintosh. It focuses...

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...

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...

homebrew software community around the new operating system. Many programs in use on early Mac OS X systems were inherited from OPENSTEP or Rhapsody developer...