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The Evolution of the Unix Time-Sharing System - http://cm.bell-labs.com/cm/cs/who/dmr/hist.html
1979 conference paper by Dennis Ritchie. "Concentrates on the evolution of the file system, the process-control mechanism, and the idea of pipelined commands. Some attention is paid to social conditions during the development of the system." |
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The Unix Heritage Society - http://www.tuhs.org/
Built to foster the "the preservation and maintenance of historical and non-mainstream UNIX systems." Mailing list and archives. Includes early Unix source code, from 1973 through the 1990s. |
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The UNIX Time-Sharing System - http://cm.bell-labs.com/cm/cs/who/dmr/cacm.html
Ritchie and Thompson's famous Communications of the ACM paper from 1974. An authoritative and technical overview of the operating system. |
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History of Unix, Linux, and Open Source - http://www.dwheeler.com/secure-programs/Secure-Programs-HOWTO/history.html
Historical comparison of Unix and the free software movement. |
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Nick Moffitt's $7 History of Unix - http://crackmonkey.org/unix.html
History paper detailing the people and places involved in developing Unix. |