bsd-family-tree revision 42589 
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 <---------------+     FreeBSD 3.0  |    |        |
79   |                    |  /             NetBSD 1.3 |        v
80FreeBSD 2.0.5        NetBSD 1.0               OpenBSD 2.3
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    |   |                 NetBSD 1.3.1     |
98    |  FreeBSD 2.2.1         |          OpenBSD 2.3
99    |      |              NetBSD 1.3.2     |
100    |  FreeBSD 2.2.2         |          OpenBSD 2.4
101    |      |              NetBSD 1.3.3     |
102    |  FreeBSD 2.2.5         |             v
103    |      |                 v
104    |      v
105    |  FreeBSD 2.2.6
106    |      |
107    |      v
108    |  FreeBSD 2.2.7
109    |      |
110    |      v
111    |  FreeBSD 2.2.8
112    |
113    |
114FreeBSD 3.0
115    |
116FreeBSD 3.1
117    |
118    v
119
120
121
122
123Time
124----------------
125
126Time tolerance +/- 6 month, depend on which book/article you read; if
127it was the announcement in Usenet or if it was available as tape.
128
129[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
130	and John Quarterman. The Design and Implementation of
131	the 4.4BSD Operating System.
132[DOC] README, COPYRIGHT on tape.
133[QCU] Salus, Peter H. A quarter century of UNIX.
134[U25] Peter H. Salus. Unix at 25.
135[USE] Usenet announcement.
136[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
137	Changes in the Kernel in 2.9BSD. Second Berkeley Software
138	Distribution UNIX Version 2.9, July, 1983.
139[KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
140	Volume 11, Info 4, April, 1987.
141[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
142	comp.bugs.4bsd.ucb-fixes, June 15, 1988.
143[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
144[FBD] FreeBSD Project, The.
145
146
147Multics                 1965
148Unix                    Summer 1969
149				DEC PDP-7
150First   Edition         1971-11-03 [QCU]
151				DEC PDP-11/20, Assembler
152Second  Edition         1972-06-12 [QCU]
153				10 Unix installations
154Third   Edition         1973-02-xx [QCU]
155				Pipes, 16 installations
156Fourth  Edition         1973-11-xx [QCU]
157				rewriting in C effected,
158                                above 30 installations
159Fifth   Edition         1974-06-xx [QCU]
160				above 50 installations
161Sixth   Edition         1975-05-xx [QCU]
162				port to DEC Vax
163Seventh Edition         1979-01-xx [QCU]
164				first portable Unix
165Eight   Edition         1985-02-xx [QCU]
166Ninth   Edition         1986-09-xx [QCU]
167Tenth   Edition         1989-10-xx [QCU]
168
1691BSD                    late 1977
170			1978-03-09 [QCU]
171				PDP-11, Pascal, ex(1)
172				30 free copies of 1BSD sent out
173				35 tapes sold for 50 USD [QCU]
1742BSD                    mid 1978 [QCU]
175				75 2BSD tapes shipped
1762.7.9BSD		?? [SMS]
1772.8BSD			1981-07-xx [KSJ]
178
1792.8.1BSD		1982-01-xx [QCU]
180				set of performance improvements
1812.9BSD			1983-07-xx [KSJ]
1822.9.1BSD                1983-11-xx
1832.9BSD-Seismo		1985-08-xx [SMS]
1842.10BSD			1987-04-xx [KKK]
1852.10.1BSD		1989-01-xx [SMS]
1862.11BSD			1992-02-xx [SMS]
1872.11BSD rev #366	1997-02-xx [SMS]
188
18932V			1978-1[01]-xx [QCU]
1903BSD                    late 1979 [QCU]
191				virtual memory, page replacement,
192                        	demand paging
1934.0BSD                  1980-10-xx
1944.1BSD                  1981-06-xx
1954.1aBSD                 1982-04-xx
196				alpha release, 100 sites, networking [44B]
1974.1bBSD				internal release, fast filesystem [44B]
1984.1cBSD                 late 1982
199				beta release, IPC [44B]
2004.2BSD                  1983-09-xx [QCU]
2014.3BSD                  1986-06-xx [QCU]
202			1986-04-xx [KB]
2034.3BSD Tahoe            1988-06-xx [QCU]
2044.3BSD NET/1            1988-11-xx [QCU]
2054.3BSD Reno             1990-06-xx [QCU], [DOC]
2064.3BSD NET/2            1991-06-xx [QCU]
207386BSD 0.0              1992-02-xx [DOC]
208386BSD 0.1              1992-07-xx [DOC]
2094.4BSD Alpha            1992-07-07
2104.4BSD                  1993-06-01 [USE]
211FreeBSD 1.0		1993-11-xx [FOO]
2124.4BSD Lite             1994-03-01 [USE]
213FreeBSD 1.1		1994-04-xx [FBD]
214FreeBSD 1.1.5.1		1994-07-xx [FBD]
215				supercedes 1.1.5 3 days after release.
216386BSD 1.0              1994-11-12 [USE]
217FreeBSD 2.0		1995-01-xx [FBD]
218FreeBSD 2.0.5		1995-06-xx [FBD]
2194.4BSD Lite Release 2	1995-06-xx [44B]
220				the true final distribution from the CSRG
221FreeBSD 2.1		1995-12-xx [FBD]
222FreeBSD 2.1.5		1996-08-xx [FBD]
223FreeBSD 2.1.6		1996-12-xx [FBD]
224FreeBSD 2.1.7		1997-02-xx [FBD]
225FreeBSD 2.2.1		1997-04-xx [FBD]
226FreeBSD 2.2.2		1997-06-xx [FBD]
227FreeBSD 2.2.5		1997-11-xx [FBD]
228FreeBSD 2.2.6		1998-03-xx [FBD]
229FreeBSD 2.2.7		1998-07-xx [FBD]
230FreeBSD 2.2.8		1998-11-29 [FBD]
231FreeBSD 3.0		1998-10-16 [FBD]
232
233
234
235Bibliography
236------------------------
237
238Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
239Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating
240System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
241
242Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
243Company, Inc., 1994. ISBN 0-201-54777-5
244
245McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
246Quarterman. The Design and Implementation of the 4.4BSD Operating
247System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
248
249Doug McIlroy. Research Unix Reader.
250
251Michael G. Brown. The Role of BSD in the Development of Unix.
252Presented to the Tasmanian Unix Special Interest Group of the
253Australian Computer Society, Hobart, August 1993.
254URL: http://www.dpac.tas.gov.au/~mgb/papers/bsdrole.html
255
256Peter H. Salus. Unix at 25. Byte Magazin, October 1994.
257URL: http://www.byte.com/art/9410/sec8/art3.htm
258
259Andreas Klemm, Lars K�ller. If you're going to San Francisco ...
260Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
261URL: http://www.heise.de
262
263BSD Release Announcements collection.
264URL: http://www.de.FreeBSD.ORG/de/ftp/releases/
265
266BSD Hypertext Man Pages
267http://www.freebsd.org/cgi/man.cgi
268
269Acknowledgments
270---------------
271
272Josh Gilliam for suggestions, bugfixes, and finding very old
273original BSD announcements from Usenet or tapes.
274
275Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
276
277--
278Copyright (c) 1997-1999 Wolfram Schneider <wosch@FreeBSD.ORG>
279URL: ftp://ftp.freebsd.org/pub/FreeBSD/FreeBSD-current/src/share/misc/bsd-family-tree
280
281$Date: 1998/08/19 12:58:38 $ $Revision: 1.9 $
282