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p_ingtoday at 2:54 AM1 replyview on HN

Apple outlines the architecture here - https://developer.apple.com/library/archive/documentation/Da...


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reactordevtoday at 2:59 AM

>Darwin is based on proven technology from many sources. A large portion of this technology is derived from FreeBSD, a version of 4.4BSD that offers advanced networking, performance, security, and compatibility features. Other parts of the system software, such as Mach, are based on technology previously used in Apple’s MkLinux project, in OS X Server, and in technology acquired from NeXT.

Exactly.

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