It is easy to forget where and when macOS had its earliest origins. His tumultuous path had his first start with Steve Jobs on NeXT. "NeXTStep was mainly developed by Avie Tevanian, who used to work on the Mach microkernel, a UNIX supercharger at Carnegie Mellon University, and Jobs convinced Tevanian to join NeXT instead of taking something that could change a lot in the short term. would have been more lucrative at Microsoft. "This is a useful, concise information about how it all started.
: The Origins of macOS: Steve Jobs and NeXTSTEP