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OS X El Capitan (/ ɛl ˌkæpɪˈtɑːn / el KAP-i-TAHN) (version 10.11) is the 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 mainly on performance, stability, and security. [3] Following the California location-based naming scheme ...
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 their ...
v. t. e. 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 (macOS 10.15).
macOS Sierra (version 10.12) [4] is the thirteenth major release of macOS (formerly known as OS X and Mac OS X), Apple Inc. 's 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 iOS, watchOS and tvOS. Sierra is named after the Sierra Nevada ...
e. 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 It superseded Mac OS X 10.0 and preceded Mac OS X Jaguar. Mac OS X 10.1 was released on September 25, 2001, as a free update for Mac OS X 10.0 users. The operating system was handed out for free by Apple employees after Steve ...
e. OS X Yosemite (/ joʊˈsɛmɪti / yoh-SEM-it-ee; version 10.10) is the eleventh major release of macOS, Apple Inc. 's desktop and server operating system for Macintosh computers. OS X Yosemite was announced and released to developers on June 2, 2014, at WWDC 2014 and released to public beta testers on July 24, 2014.
macOS. 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 was announced at the WWDC 2017 on June 5, 2017 [4] and was released on September 25, 2017. The name "High Sierra" refers to the High Sierra region in California.
Like OS X El Capitan and OS X Mountain Lion, High Sierra is a refinement-based update having very few new features visible to the user, including updates to Safari, Photos, and Mail, among other changes. [225] The major change under the hood is the switch to the Apple File System, optimized for the solid-state storage used in most new Mac ...