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macOS. 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 Developers Conference (WWDC) on June 22, 2020, [ 4] and was released to the public on November 12, 2020. [ 5][ 4][ 6] Big Sur is the successor to macOS Catalina, and was succeeded ...
macOS. 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 to replace its "classic" Mac OS. That system, up to and including its final release Mac OS 9, was a direct descendant of the operating system Apple had used in its Mac computers since ...
October 25, 2021; 2 years ago () [1] Latest release: 12.7.6 [2] (21H1320) (July 29, 2024; 20 days ago (Update method: Software Update: Platforms: x86-64, ARM64: Kernel type: Hybrid : License: Proprietary software with open-source components and content licensed with APSL: Preceded by: macOS Big Sur: Succeeded by: macOS Ventura: Official website
The internal codenames of Mac OS X 10.0 through 10.2 are big cats. In Mac OS X 10.2, the internal codename "Jaguar" was used as a public name, and, for subsequent Mac OS X releases, big cat names were used as public names through until OS X 10.8 "Mountain Lion", and wine names were used as internal codenames through until OS X 10.10 "Syrah". [93]
It is also possible to install macOS versions in a VM: macOS Big Sur 11, macOS Catalina 10.15, macOS Mojave 10.14, macOS High Sierra 10.13, macOS Sierra 10.12, OS X El Capitan 10.11, OS X Yosemite 10.10, OS X Mavericks 10.9, OS X Mountain Lion 10.8, OS X Lion 10.7, OS X Lion Server 10.7, Mac OS X Snow Leopard Server 10.6, Mac OS X Leopard ...
[3] [1] It is also the last version of macOS to have the major version number of 10; its successor, Big Sur, released on November 12, 2020, is version 11. [ 4 ] [ 5 ] In order to increase web compatibility, Safari , Chromium and Firefox have frozen the OS in the user agent running in subsequent releases of macOS at 10.15.7 Catalina.
There are minor differences between Finder versions and Classic OS to System 7. From System 6 onward, the version numbers are unified. Since the introduction of Mac OS X, the largest rewrite of the Finder was with the 2009 release of Mac OS X 10.6, into the Cocoa API, though little change was visible to the user. [11]
Previous Macintosh operating systems (versions of the classic Mac OS) were named using Arabic numerals, as with Mac OS 8 and Mac OS 9. [22] [20] Until macOS 11 Big Sur, all versions of the operating system were given version numbers of the form 10.x, with this going from 10.0 up until 10.15; starting with macOS 11 Big Sur, Apple switched to ...