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OS X El Capitan (/ ɛ l ˌ k æ p ɪ ˈ t ɑː n / 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.
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 ...
OS X 10.8 Mountain Lion was released on July 25, 2012. [72] Following the release of Lion the previous year, it was the first of the annual rather than two-yearly updates to OS X (and later macOS), which also closely aligned with the annual iOS operating system updates.
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".
Mac OS X Server 10.5 – also marketed as Leopard Server; Mac OS X Server 10.6 – also marketed as Snow Leopard Server; Starting with Lion, there is no separate Mac OS X Server operating system. Instead the server components are a separate download from the Mac App Store. Mac OS X Lion Server – 10.7 – also marketed as OS X Lion Server
macOS Catalina (version 10.15) is the sixteenth major release of macOS, Apple Inc.'s desktop operating system for Macintosh computers. It is the successor to macOS Mojave and was announced at WWDC 2019 on June 3, 2019 and released to the public on October 7, 2019.
System Integrity Protection (SIP, [1] sometimes referred to as rootless [2] [3]) is a security feature of Apple's macOS operating system introduced in OS X El Capitan (2015) (OS X 10.11). It comprises a number of mechanisms that are enforced by the kernel.
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.