Add reference to UNIX history graphing project.
Correct derivation of Eighth Edition Research UNIX. According to dmr, it was derived from 4.1cBSD; according to the 4.4BSD book, it was derived from 4.1BSD. Since dmr did the work, he's more likely to be correct. Correct typos. Remove dead URLs.
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@ -1,5 +1,5 @@
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The Unix system family tree / BSD history chart
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-----------------------------------------------
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The UNIX system family tree: Research and BSD
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---------------------------------------------
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First Edition (V1)
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@ -27,17 +27,15 @@ Seventh Edition (V7) |
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4.0BSD 2.7.9BSD
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*------ 4.1BSD --------------> 2.8BSD
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/ | |
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Eighth Edition | 2.8.1BSD
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| 4.1aBSD -----------\ |
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| 4.1bBSD \ |
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| 4.1cBSD --------------> 2.9BSD
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| | 2.9BSD-Seismo
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4.1BSD --------------> 2.8BSD
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4.1aBSD -----------\ |
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| \ |
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4.1bBSD \ |
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*------ 4.1cBSD --------------> 2.9BSD
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/ | |
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Eighth Edition | 2.9BSD-Seismo
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+----<--- 4.2BSD 2.9.1BSD
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@ -161,12 +159,12 @@ it was the announcement in Usenet or if it was available as tape.
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Multics 1965
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Unix Summer 1969
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UNIX Summer 1969
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DEC PDP-7
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First Edition 1971-11-03 [QCU]
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DEC PDP-11/20, Assembler
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Second Edition 1972-06-12 [QCU]
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10 Unix installations
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10 UNIX installations
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Third Edition 1973-02-xx [QCU]
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Pipes, 16 installations
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Fourth Edition 1973-11-xx [QCU]
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@ -177,8 +175,8 @@ Fifth Edition 1974-06-xx [QCU]
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Sixth Edition 1975-05-xx [QCU]
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port to DEC Vax
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Seventh Edition 1979-01-xx [QCU]
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first portable Unix
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Eight Edition 1985-02-xx [QCU]
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first portable UNIX
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Eighth Edition 1985-02-xx [QCU]
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VAX 11/750, VAX 11/780 [dmr]
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descended from 4.1c BSD [dmr]
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descended from 4.1 BSD [44B]
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@ -300,25 +298,26 @@ Doug McIlroy. Research Unix Reader.
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Michael G. Brown. The Role of BSD in the Development of Unix.
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Presented to the Tasmanian Unix Special Interest Group of the
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Australian Computer Society, Hobart, August 1993.
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URL: http://www.dpac.tas.gov.au/~mgb/papers/bsdrole.html
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Peter H. Salus. Unix at 25. Byte Magazin, October 1994.
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Peter H. Salus. Unix at 25. Byte Magazine, October 1994.
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URL: http://www.byte.com/art/9410/sec8/art3.htm
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Andreas Klemm, Lars Köller. If you're going to San Francisco ...
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Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
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URL: http://www.heise.de
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BSD Release Announcements collection.
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URL: http://www.de.FreeBSD.ORG/de/ftp/releases/
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URL: http://www.de.FreeBSD.org/de/ftp/releases/
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BSD Hypertext Man Pages
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http://www.freebsd.org/cgi/man.cgi
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http://www.FreeBSD.org/cgi/man.cgi
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UNIX history graphing project
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http://minnie.cs.adfa.edu.au/Unix_History/index.html
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Acknowledgments
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---------------
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Josh Gilliam for suggestions, bugfixes, and finding very old
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Josh Gilliam for suggestions, bug fixes, and finding very old
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original BSD announcements from Usenet or tapes.
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Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
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@ -328,3 +327,4 @@ Copyright (c) 1997-1999 Wolfram Schneider <wosch@FreeBSD.ORG>
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URL: ftp://ftp.freebsd.org/pub/FreeBSD/FreeBSD-current/src/share/misc/bsd-family-tree
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$FreeBSD$
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