4 ms·macOS is only UNIX 03 compliant if you look at it funny.by p_ing 2y agomacOS is only UNIX 03 compliant if you look at it funny.rbanffy 2y agoThat's good enough. Only AIX 7.x is UNIX 7 certified and it's not a joy to use it as a desktop workstation.p_ing 2y agoHaven't used AIX 7, but I suspect it is UNIX 7 certified as-shipped? macOS is only UNIX 03 certified when modified by Apple engineers, but not as-shipped.