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Creation of first OS
GM-NAA I/O, produced by General Motors and created by Robert L. Patrick and Owen Mock. The price was US $1,995 -
Systems on IBM hardware
OS/360 for large and mid range systems and DOS/360. Both created by IBM. -
Creation of Unix
Developed by a group of AT&T employees at Bell Labs, including Ken Thompson, Dennis Ritchie, Brian Kernighan, Douglas McIlroy, Michael Lesk and Joe Ossanna. -
Creation of Apple Dos
Apple DOS was largely written by Steve Wozniak, Randy Wigginton, and outside contractor Paul Laughton. -
Creation of MS-DOS
Created by Microsoft and designed by its assembly with Bill Gates -
Creation of Mac OS
Designed by Apple. Programmer John Raskin -
Creation of 1st Windows
Designed by Microsoft. Created by Bill Gates
