This is a brief history of 4 operating systems and the people and companies that developed them.

This is part of the Linux Operating Systems 1 class at Metropolitan Community College.

00:00 Introduction
00:10 Forgotten Operating Systems 1970 – 1995
02:21 Where did all our choices go?
04:08 History of Unix
08:26 History of Apple
13:41 History of Microsoft
21:41 History of Linux
32:07 Summary and Conclusion