4 ms·

OSX wasn't a rewrite of MacOS. It was a new chrome over top of NeXTStep, which was BSD on Mach (or Mach in BSD). It wasn't a reaction to anything, it was Steve

OSX wasn't a rewrite of MacOS. It was a new chrome over top of NeXTStep, which was BSD on Mach (or Mach in BSD). It wasn't a reaction to anything, it was Steve Jobs bringing NeXT in to give Apple a real OS. What really killed Unix on workstations was NT, and it killed it when the first sgi NT workstations shipped. In the server space, Linux began to replace Solaris once you could run Oracle on Linux. That was the end of every other Unix.

musicale 3y ago
> OSX wasn't a rewrite of MacOS. It was a new chrome over top of NeXTStep In addition major new chrome (Cocoa, OS X Finder, etc.) Mac OS X originally included a version of the older Mac OS APIs (Carbon) as well as a Mac OS 9 virtual environment (Classic) for running older non-Carbon apps. It was really a chimera that included pretty complete Mac OS 9 ABI support as well as a Mac-flavored version of NeXTSTEP. It's a bit of a shame that Apple keeps abandoning its backward compatibility layers (I hope Rosetta2 will be different) but I guess that's what emulators are for.
lproven 3y ago
Both excellent points. I really should have highlighted this: > What really killed Unix on workstations was NT, and it killed it when the first sgi NT workstations shipped. 'Cos it sure as anything wasn't Windows 9x that persuaded businesses that Windows was a legitimate OS.