MacOS and iOS internals are much more closely related and based on Mach (via Nex... | Hacker News

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		throwaway-blaze on June 19, 2024 \| parent \| context \| favorite \| on: ExectOS – brand new operating system which derives... MacOS and iOS internals are much more closely related and based on Mach (via NextSTEP) than Freebsd.

xdanger on June 19, 2024 [–]

mach is the kernel he mentioned from 1985. NextSTEP userland was BSD4.something, and macos modernized somebits to freebsd userland.

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