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OpenDarwin was a community-led operating system based on the Darwin system. It was founded in April 2002 by Apple Inc. and Internet Systems Consortium. Its goal was to increase collaboration between Apple developers and the free software community. Apple benefited from the project because improvements to OpenDarwin would be incorporated into ...
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.
At macOS's core is a POSIX-compliant operating system built on top of the XNU kernel, [79] (which incorporated large parts of FreeBSD kernel [12]) and FreeBSD userland [12] for the standard Unix facilities available from the command line interface. Apple has released this family of software as a free and open source operating system named Darwin.
The Darwin kernel provides a stable and flexible operating system, which takes advantage of the contributions of programmers and independent open-source projects outside Apple; however, it sees little use outside the Macintosh community. [citation needed]
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 ...
This new operating system was initially without organizational backing, and also without a name. The new operating system was a single-tasking system. [17] In 1970, the group coined the name Unics for Uniplexed Information and Computing Service as a pun on Multics, which stood for Multiplexed Information and Computer Services.
Darwin, OpenDarwin: Yes Unix, ACL Yes OpenHarmony No No RBAC Yes HMDFS, Access token manager Oniro No No RBAC Yes HMDFS, Access token manager MINIX: Unix FreeDOS: No Genode: No No No No Per-process virtual file-system layer KolibriOS: No MenuetOS: No GNU: Unix ReactOS: No L4, Fiasco, Pistachio: Plan 9: No No Unix-like, no root No
The program is freely available as part of the Darwin operating system under the open-source Apple Public Source License. [5] BootX was superseded by another nearly identical bootloader named boot.efi and an Extensible Firmware Interface ROM on the release of the Intel-based Mac. [4]