bsd-family-tree revision 31658 
1The Unix system family tree / BSD history chart
2-----------------------------------------------
3
4First Edition (V1)
5     |
6Second Edition (V2)
7     |
8Third Edition (V3)
9     |
10Fourth Edition (V4)
11     |
12Fifth Edition (V5)
13     |
14Sixth Edition (V6) -----*
15     |                  |
16     |                  |
17     |                  |
18Seventh Edition (V7)    |
19     |      \           |
20     |       \        1BSD
21     |       32V        |
22     |         \      2BSD---------------*
23Eight Edition   \    /                   |
24     |           \  /                    |
25     |            \/                     |
26     |           3BSD                    |
27     |            |                      |
28     |         4.0BSD               2.7.9BSD
29Ninth Edition     |                      |
30     |         4.1BSD --------------> 2.8BSD
31     |            |                      |
32     |            |                 2.8.1BSD
33     |            |                      |
34     |        4.1aBSD -----------\       |
35     |            |                \     |
36              4.1bBSD                \   | 
37     |            |                    \ |
38     |        4.1cBSD --------------> 2.9BSD
39     |            |                      |
40     |            |                   2.9BSD-Seismo
41     |            |                      |
42     |         4.2BSD               2.9.1BSD
43     |            |                      |
44     |         4.3BSD -------------> 2.10BSD
45     |            |               /      |
46     |            |              / 2.10.1BSD
47     |         4.3BSD Tahoe-----+        |
48     |            |              \       |
49     |            |                \     |
50     |            |                  2.11BSD
51Tenth Edition     |                      |
52                  |                  2.11BSD rev #366
53               4.3BSD NET/1              |
54                  |                      v
55               4.3BSD Reno
56                  |
57   *---------- 4.3BSD NET/2 -------------------+-------------*
58   |                    |                      |             |
59386BSD 0.0              |                      |             |
60   |                    |                      |             |
61386BSD 0.1 ------------>+                      |           BSDI 1.0
62   |     \              |                  4.4BSD Alpha      |
63   |     386BSD 1.0     |                      |             |
64   |                    |                  4.4BSD            |
65   |                    |                    / |             |
66   |                    |   4.4BSD-Encumbered  |             |
67   |                    |                      |             |
68   |                    |                      |             |
69FreeBSD 1.0          NetBSD 0.8                |             |
70   |                    |           ------ 4.4BSD Lite --> BSDI 2.0
71FreeBSD 1.1          NetBSD 0.9    /           |             |
72   |                    |         /            |           BSDI 2.0.1
73FreeBSD 1.1.5           |        /             |             |
74   |                    |       /          4.4BSD Lite2 -> BSDI 2.1
75FreeBSD 1.1.5.1         |      /               |             |
76   |                    |     /                |             |
77   |                    |    /                 +---------> BSDI 3.0
78FreeBSD 2.0 <---------------+                  |             |
79   |                    |  /                   |             v
80FreeBSD 2.0.5        NetBSD 1.0                |
81   |                    |                      |
82   |                    |                      |
83FreeBSD 2.1 <---------+-*----+-----------------*
84 |   |                | |    |
85 | FreeBSD 2.1.5      |   \  |
86 |     |              |    | |
87 | FreeBSD 2.1.6      |   NetBSD 1.1 ------*
88 |     |              |      |             |
89 | FreeBSD 2.1.6.1    |      |          OpenBSD
90 |     |              |   NetBSD 1.2       |
91 | FreeBSD 2.1.7      |      |          OpenBSD 2.0
92 |     |              |   NetBSD 1.2.1     |
93 | FreeBSD 2.1.7.1    |      |             |
94 |                    |      |          OpenBSD 2.1
95 |                    |   NetBSD 1.3       |
96 *-FreeBSD 2.2        |      |          OpenBSD 2.2
97    |   |             |      v             |
98    |  FreeBSD 2.2.1  |                    v
99    |      |          |
100    |  FreeBSD 2.2.2  |
101    |      |          |
102    |  FreeBSD 2.2.5  |
103    |      |          |
104    |      v          |
105    |                 |
106    |                 |
107    |                 |
108FreeBSD 3.0 <---------*
109    |
110    v
111
112
113
114
115Time
116----------------
117
118Time tolerance +/- 6 month, depend on which book/article you read; if
119it was the announcement in Usenet or if it was available as tape.
120
121[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
122	and John Quarterman. The Design and Implementation of
123	the 4.4BSD Operating System.
124[DOC] README, COPYRIGHT on tape.
125[QCU] Salus, Peter H. A quarter century of UNIX.
126[U25] Peter H. Salus. Unix at 25.
127[USE] Usenet announcement.
128[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
129	Changes in the Kernel in 2.9BSD. Second Berkeley Software
130	Distribution UNIX Version 2.9, July, 1983.
131[KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
132	Volume 11, Info 4, April, 1987.
133[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
134	comp.bugs.4bsd.ucb-fixes, June 15, 1988.
135[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
136
137
138Multics                 1965
139Unix                    Summer 1969
140				DEC PDP-7
141First   Edition         1971-11-03 [QCU]
142				DEC PDP-11/20, Assembler
143Second  Edition         1972-06-12 [QCU]
144				10 Unix installations
145Third   Edition         1973-02-xx [QCU]
146				Pipes, 16 installations
147Fourth  Edition         1973-11-xx [QCU]
148				rewriting in C effected,
149                                above 30 installations
150Fifth   Edition         1974-06-xx [QCU]
151				above 50 installations
152Sixth   Edition         1975-05-xx [QCU]
153				port to DEC Vax
154Seventh Edition         1979-01-xx [QCU]
155				first portable Unix
156Eight   Edition         1985-02-xx [QCU]
157Ninth   Edition         1986-09-xx [QCU]
158Tenth   Edition         1989-10-xx [QCU]
159
1601BSD                    late 1977
161			1978-03-09 [QCU]
162				PDP-11, Pascal, ex(1)
163				30 free copies of 1BSD sent out
164				35 tapes sold for 50 USD [QCU]
1652BSD                    mid 1978 [QCU]
166				75 2BSD tapes shipped
1672.7.9BSD		?? [SMS]
1682.8BSD			1981-07-xx [KSJ]
169
1702.8.1BSD		1982-01-xx [QCU]
171				set of performance improvements
1722.9BSD			1983-07-xx [KSJ]
1732.9.1BSD                1983-11-xx
1742.9BSD-Seismo		1985-08-xx [SMS]
1752.10BSD			1987-04-xx [KKK]
1762.10.1BSD		1989-01-xx [SMS]
1772.11BSD			1992-02-xx [SMS]
1782.11BSD rev #366	1997-02-xx [SMS]
179
18032V			1978-1[01]-xx [QCU]
1813BSD                    late 1979 [QCU]
182				virtual memory, page replacement,
183                        	demand paging
1844.0BSD                  1980-10-xx
1854.1BSD                  1981-06-xx
1864.1aBSD                 1982-04-xx
187				alpha release, 100 sites, networking [44B]
1884.1bBSD				internal release, fast filesystem [44B]
1894.1cBSD                 late 1982
190				beta release, IPC [44B]
1914.2BSD                  1983-09-xx [QCU]
1924.3BSD                  1986-06-xx [QCU]
193			1986-04-xx [KB]
194
1954.3BSD Tahoe            1988-06-xx [QCU]
1964.3BSD NET/1            1988-11-xx [QCU]
1974.3BSD Reno             1990-06-xx [QCU], [DOC]
1984.3BSD NET/2            1991-06-xx [QCU]
199386BSD 0.0              1992-02-xx [DOC]
200386BSD 0.1              1992-07-xx [DOC]
201386BSD 1.0              1994-11-12 [USE]
2024.4BSD Alpha            1992-07-07
2034.4BSD                  1993-06-01 [USE]
2044.4BSD Lite             1994-03-01 [USE]
205		        1994-06-xx [U25]
2064.4BSD Lite Release 2	1995-06-xx [44B]
207				the true final distribution from the CSRG
208
209
210
211Bibliography
212------------------------
213
214Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
215Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating
216System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
217
218Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
219Company, Inc., 1994. ISBN 0-201-54777-5
220
221McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
222Quarterman. The Design and Implementation of the 4.4BSD Operating
223System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
224
225Doug McIlroy. Research Unix Reader.
226
227Michael G. Brown. The Role of BSD in the Development of Unix.
228Presented to the Tasmanian Unix Special Interest Group of the
229Australian Computer Society, Hobart, August 1993.
230URL: http://www.dpac.tas.gov.au/~mgb/papers/bsdrole.html
231
232Peter H. Salus. Unix at 25. Byte Magazin, October 1994.
233URL: http://www.byte.com/art/9410/sec8/art3.htm
234
235Andreas Klemm, Lars K�ller. If you're going to San Francisco ...
236Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
237URL: http://www.heise.de
238
239BSD Release Announcements collection.
240URL: http://www.de.FreeBSD.ORG/de/ftp/releases/
241
242BSD Hypertext Man Pages
243http://www.de.freebsd.org/de/cgi/man.cgi
244
245Acknowledgments
246---------------
247
248Josh Gilliam for suggestions, bugfixes, and finding very old 
249original BSD announcements from Usenet or tapes.
250
251Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
252
253--
254Copyright (c) 1997 Wolfram Schneider <wosch@FreeBSD.ORG>
255URL: http://www.de.freebsd.org/de/ftp/unix-stammbaum
256$Date: 1997/12/06 23:36:58 $ $Revision: 1.26 $
257