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Mac OS X 10.7.1 was the last version of Mac OS X released under CEO Steve Jobs. 10.7.2 and later were released under CEO Tim Cook. 10.7.5 added Gatekeeper. [ 14 ] Lion is the first version of macOS that did not support 32-bit processors and is also the final release whose development was overseen by Bertrand Serlet , considered to be the ...
XNU ("X is Not Unix") is the computer operating system (OS) kernel developed at Apple Inc. since December 1996 for use in the Mac OS X (now macOS) operating system and released as free and open-source software as part of the Darwin OS, which, in addition to being the basis for macOS, is also the basis for Apple TV Software, iOS, iPadOS, watchOS, visionOS, and tvOS.
If all goes well, iBoot will then proceed to load the iOS, iPadOS or macOS kernel as well as the rest of the operating system. [5] [6] [7] If iBoot fails to load or fails to verify iOS, iPadOS or macOS, the bootloader jumps to DFU (Device Firmware Update) [8] mode; otherwise it loads the remaining kernel modules. [2] [9]
The first release of the new OS — Mac OS X Server 1.0 — used a modified version of the Mac OS GUI, but all client versions starting with Mac OS X Developer Preview 3 used a new theme known as Aqua. Aqua was a substantial departure from the Mac OS 9 interface, which had evolved with little change from that of the original Macintosh operating ...
iPadOS is a mobile operating system developed by Apple for its iPad line of tablet computers.It was given a name distinct from iOS, the operating system used by Apple's iPhones to reflect the diverging features of the two product lines, such as multitasking.
While Apple's previous iPod media players used a minimal operating system, the iPhone used an operating system based on Mac OS X, which would later be called "iPhone OS" and then iOS. The simultaneous release of two operating systems based on the same frameworks placed tension on Apple, which cited the iPhone as forcing it to delay Mac OS X 10. ...
iPadOS 13 is the first major release of iPadOS, an iPad-specific fork of iOS meant to emphasize the multitasking and tablet-centric features of the iPad. It was previewed at Apple's WWDC 2019, and released on September 24, 2019 as 13.1. iPadOS version 13.0 was never publicly released, though beta testing for iPadOS 13 started with 13.0.
From the release of Mac OS X 10.0 until early 2007, Mac OS X was the only software platform. In early 2007, iPhone OS was introduced, increasing the number of software platforms by one, from one to two. In 2010, iPhone OS was renamed iOS. In 2011, Mac OS X was renamed OS X.