===== Apple: Darwin =====
[[dido:public:ra:xapend:xapend.b_stds:defact:apple:start| return to Apple ]]

Source: [[https://9to5mac.com/2014/10/31/apple-releases-os-10-10-yosemite-open-source-darwin-code/]]

Darwin is an open source [[dido:public:ra:xapend:xapend.a_glossary:u:unix]]-like computer [[dido:public:ra:xapend:xapend.a_glossary:o:os|operating system]] released by Apple Inc. in 2000. It is composed of code developed by Apple, as well as, code derived from NeXTSTEP, BSD, and other free software projects.(("Apple releases OS X 10.10 Yosemite Open Source Darwin code", Seth Weintraub, 31 October 2014, [[https://9to5mac.com/2014/10/31/apple-releases-os-10-10-yosemite-open-source-darwin-code/]]))

Darwin forms the core set of components upon which OS X and iOS are based. It is **mostly POSIX compatible**, but has never, by itself, been certified as being compatible with any version of POSIX. (OS X, since Leopard, has been certified as compatible with the Single UNIX Specification version 3 (SUSv3)).

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