3 ms·
They didn’t start from scratch, though. iOS is derived from macOS, which is derived from NeXT (and FreeBSD if I recall right), etc etc. iOS has a lot going for
by iainmerrick 7y ago
They didn’t start from scratch, though. iOS is derived from macOS, which is derived from NeXT (and FreeBSD if I recall right), etc etc.
iOS has a lot going for it, but it’s definitely not small, clean or simple.
(Ditto for the chips, which build on ARM, originally Acorn)