In this page, you will find a good collection of links on UNIX history:
- Dennis Ritchie, one of the fathers of UNIX, has several papers on the early history of UNIX at Bell Labs, the birth place of UNIX.
- Wikipedia article on UNIX
- UNIX History Timeline
- Official UNIX history from Bell Labs.
- UNIX Oral History
- UNIX Past - The Open Group
- History of UNIX at The Unix Heritage Society, which has a lot of archives on many things about UNIX history.
- History of UNIX by Ronda Hauben.
- An article in the Economist, titled Unix founding fathers.
And for a humorous look at the History of UNIX: