xref: /freebsd/share/misc/bsd-family-tree (revision a8445737e740901f5f2c8d24c12ef7fc8b00134e)
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         |             v
101    |      |                 v
102    |  FreeBSD 2.2.5
103    |      |
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    |
116    v
117
118
119
120
121Time
122----------------
123
124Time tolerance +/- 6 month, depend on which book/article you read; if
125it was the announcement in Usenet or if it was available as tape.
126
127[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
128	and John Quarterman. The Design and Implementation of
129	the 4.4BSD Operating System.
130[DOC] README, COPYRIGHT on tape.
131[QCU] Salus, Peter H. A quarter century of UNIX.
132[U25] Peter H. Salus. Unix at 25.
133[USE] Usenet announcement.
134[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
135	Changes in the Kernel in 2.9BSD. Second Berkeley Software
136	Distribution UNIX Version 2.9, July, 1983.
137[KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
138	Volume 11, Info 4, April, 1987.
139[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
140	comp.bugs.4bsd.ucb-fixes, June 15, 1988.
141[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
142[FBD] FreeBSD Project, The.
143
144
145Multics                 1965
146Unix                    Summer 1969
147				DEC PDP-7
148First   Edition         1971-11-03 [QCU]
149				DEC PDP-11/20, Assembler
150Second  Edition         1972-06-12 [QCU]
151				10 Unix installations
152Third   Edition         1973-02-xx [QCU]
153				Pipes, 16 installations
154Fourth  Edition         1973-11-xx [QCU]
155				rewriting in C effected,
156                                above 30 installations
157Fifth   Edition         1974-06-xx [QCU]
158				above 50 installations
159Sixth   Edition         1975-05-xx [QCU]
160				port to DEC Vax
161Seventh Edition         1979-01-xx [QCU]
162				first portable Unix
163Eight   Edition         1985-02-xx [QCU]
164Ninth   Edition         1986-09-xx [QCU]
165Tenth   Edition         1989-10-xx [QCU]
166
1671BSD                    late 1977
168			1978-03-09 [QCU]
169				PDP-11, Pascal, ex(1)
170				30 free copies of 1BSD sent out
171				35 tapes sold for 50 USD [QCU]
1722BSD                    mid 1978 [QCU]
173				75 2BSD tapes shipped
1742.7.9BSD		?? [SMS]
1752.8BSD			1981-07-xx [KSJ]
176
1772.8.1BSD		1982-01-xx [QCU]
178				set of performance improvements
1792.9BSD			1983-07-xx [KSJ]
1802.9.1BSD                1983-11-xx
1812.9BSD-Seismo		1985-08-xx [SMS]
1822.10BSD			1987-04-xx [KKK]
1832.10.1BSD		1989-01-xx [SMS]
1842.11BSD			1992-02-xx [SMS]
1852.11BSD rev #366	1997-02-xx [SMS]
186
18732V			1978-1[01]-xx [QCU]
1883BSD                    late 1979 [QCU]
189				virtual memory, page replacement,
190                        	demand paging
1914.0BSD                  1980-10-xx
1924.1BSD                  1981-06-xx
1934.1aBSD                 1982-04-xx
194				alpha release, 100 sites, networking [44B]
1954.1bBSD				internal release, fast filesystem [44B]
1964.1cBSD                 late 1982
197				beta release, IPC [44B]
1984.2BSD                  1983-09-xx [QCU]
1994.3BSD                  1986-06-xx [QCU]
200			1986-04-xx [KB]
2014.3BSD Tahoe            1988-06-xx [QCU]
2024.3BSD NET/1            1988-11-xx [QCU]
2034.3BSD Reno             1990-06-xx [QCU], [DOC]
2044.3BSD NET/2            1991-06-xx [QCU]
205386BSD 0.0              1992-02-xx [DOC]
206386BSD 0.1              1992-07-xx [DOC]
2074.4BSD Alpha            1992-07-07
2084.4BSD                  1993-06-01 [USE]
209FreeBSD 1.0		1993-11-xx [FOO]
2104.4BSD Lite             1994-03-01 [USE]
211FreeBSD 1.1		1994-04-xx [FBD]
212FreeBSD 1.1.5.1		1994-07-xx [FBD]
213				supercedes 1.1.5 3 days after release.
214386BSD 1.0              1994-11-12 [USE]
215FreeBSD 2.0		1995-01-xx [FBD]
216FreeBSD 2.0.5		1995-06-xx [FBD]
2174.4BSD Lite Release 2	1995-06-xx [44B]
218				the true final distribution from the CSRG
219FreeBSD 2.1		1995-12-xx [FBD]
220FreeBSD 2.1.5		1996-08-xx [FBD]
221FreeBSD 2.1.6		1996-12-xx [FBD]
222FreeBSD 2.1.7		1997-02-xx [FBD]
223FreeBSD 2.2.1		1997-04-xx [FBD]
224FreeBSD 2.2.2		1997-06-xx [FBD]
225FreeBSD 2.2.5		1997-11-xx [FBD]
226FreeBSD 2.2.6		1998-03-xx [FBD]
227FreeBSD 2.2.7		1998-07-xx [FBD]
228
229
230
231Bibliography
232------------------------
233
234Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
235Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating
236System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
237
238Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
239Company, Inc., 1994. ISBN 0-201-54777-5
240
241McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
242Quarterman. The Design and Implementation of the 4.4BSD Operating
243System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
244
245Doug McIlroy. Research Unix Reader.
246
247Michael G. Brown. The Role of BSD in the Development of Unix.
248Presented to the Tasmanian Unix Special Interest Group of the
249Australian Computer Society, Hobart, August 1993.
250URL: http://www.dpac.tas.gov.au/~mgb/papers/bsdrole.html
251
252Peter H. Salus. Unix at 25. Byte Magazin, October 1994.
253URL: http://www.byte.com/art/9410/sec8/art3.htm
254
255Andreas Klemm, Lars K�ller. If you're going to San Francisco ...
256Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
257URL: http://www.heise.de
258
259BSD Release Announcements collection.
260URL: http://www.de.FreeBSD.ORG/de/ftp/releases/
261
262BSD Hypertext Man Pages
263http://www.freebsd.org/cgi/man.cgi
264
265Acknowledgments
266---------------
267
268Josh Gilliam for suggestions, bugfixes, and finding very old
269original BSD announcements from Usenet or tapes.
270
271Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
272
273--
274Copyright (c) 1997 Wolfram Schneider <wosch@FreeBSD.ORG>
275URL: http://www.de.freebsd.org/de/ftp/unix-stammbaum
276$Date: 1998/08/13 10:10:10 $ $Revision: 1.8 $
277