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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
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 ...
The first version of Mac OS X, Mac OS X Server 1.0, was a transitional product, featuring an interface resembling the classic Mac OS, though it was not compatible with software designed for the older system. Consumer releases of Mac OS X included more backward compatibility.
The classic Mac OS is the original Macintosh operating system introduced in 1984 alongside the first Macintosh and remained in primary use on Macs until Mac OS X in 2001. [ 6 ] [ 7 ] Apple released the original Macintosh on January 24, 1984; its early system software is partially based on Lisa OS , and inspired by the Alto computer, which ...
Over the years, Mac OS X was rebranded first to OS X and later to macOS. [197] macOS is a derivative of NextSTEP and FreeBSD. It uses the XNU kernel, and the core of macOS has been open-sourced as the Darwin operating system. [198] macOS features the Aqua user interface, the Cocoa set of frameworks, and the Objective-C and Swift programming ...
IBM System/370: macOS (originally Mac OS X) Apple Inc. 2001 NeXTSTEP, BSD: 15.1 October 28, 2024 Bundled with hardware; No cost for updates and upgrades via Mac App Store for users of Mac OS X 10.6 or later Proprietary higher level API layers; open source core system (Apple Silicon-Intel-PowerPC versions): APSL, GNU GPL, others
macOS Sequoia (version 15) is the twenty-first and current major release of Apple's macOS operating system, the successor to macOS Sonoma. It was announced at WWDC 2024 on June 10, 2024. [ 4 ] In line with Apple's practice of naming macOS releases after landmarks in California , it is named after Sequoia National Park , located in the Sierra ...
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 It superseded Mac OS X 10.1 and preceded Mac OS X Panther . The operating system was released on August 23, 2002.