bsd-family-tree revision 45349 
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---------------*
23                \    /                   |
24                 \  /                    |
25                  \/                     |
26                 3BSD                    |
27                  |                      |
28               4.0BSD               2.7.9BSD
29                  |                      |
30       *------ 4.1BSD --------------> 2.8BSD
31      /           |                      |
32Eighth Edition     |                 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     |            |               /      |
46Ninth Edition     |              / 2.10.1BSD
47     |         4.3BSD Tahoe-----+        |
48     |            |              \       |
49     |            |                \     |
50     v            |                  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   |                 NetBSD 0.8                |             |
68   |                    |                      |             |
69FreeBSD 1.0          NetBSD 0.9                |             |
70   |                    |           .----- 4.4BSD Lite --> BSDI 2.0
71FreeBSD 1.1             |          /   /       |             |
72   |                    |         /   /        |           BSDI 2.0.1
73FreeBSD 1.1.5       .---|--------'   /         |             |
74   |               /    |           /      4.4BSD Lite2 -> BSDI 2.1
75FreeBSD 1.1.5.1   /     |          /      /    |    | \      |
76   |             /   NetBSD 1.0 <-'      /     |    |   \    |
77   |            /       |              /       |    |    `-BSDI 3.0
78FreeBSD 2.0 <--'        |         FreeBSD 3.0  |    |        |
79   |                     \               NetBSD 1.3 |        v
80FreeBSD 2.0.5             \                   OpenBSD 2.3
81   |                       \
82   |                        \
83FreeBSD 2.1             |
84 |   |                    NetBSD 1.1 ------.
85 | FreeBSD 2.1.5             |              \
86 |     |                  NetBSD 1.2         \
87 | FreeBSD 2.1.6             |             OpenBSD 2.0
88 |     |                     |                 |
89 | FreeBSD 2.1.6.1           |                 |
90 |     |                     |             |
91 | FreeBSD 2.1.7             |                 |
92 |     |                  NetBSD 1.2.1     |
93 | FreeBSD 2.1.7.1           |             |
94 |                           |                 |
95 |                           |                 |
96 *-FreeBSD 2.2               |                 |
97    |   |                    |                 |
98    |  FreeBSD 2.2.1         |                 |
99    |      |                 |                 |
100    |  FreeBSD 2.2.2         |             OpenBSD 2.1
101    |      |              NetBSD 1.3           |
102    |  FreeBSD 2.2.5         |                 |
103    |      |              NetBSD 1.3.1     OpenBSD 2.2
104    |      v                 |                 |
105    |  FreeBSD 2.2.6         |             OpenBSD 2.3
106    |      |              NetBSD 1.3.2     |
107    |      v                 |                 |
108    |  FreeBSD 2.2.7         |                 |
109    |      |                 |                 |
110    |      v                 |                 |
111    |  FreeBSD 2.2.8         |                 |
112    |                        |                 |
113    |                        |             OpenBSD 2.4
114FreeBSD 3.0                  |                 |
115    |			  NetBSD 1.3.3         |
116FreeBSD 3.1                  |                 |
117    |                        |                 |
118    v                        v                 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[NBD] NetBSD Project, The.
146[OBD] OpenBSD Project, The.
147[dmr] Dennis Ritchie, via E-Mail
148
149
150Multics                 1965
151Unix                    Summer 1969
152				DEC PDP-7
153First   Edition         1971-11-03 [QCU]
154				DEC PDP-11/20, Assembler
155Second  Edition         1972-06-12 [QCU]
156				10 Unix installations
157Third   Edition         1973-02-xx [QCU]
158				Pipes, 16 installations
159Fourth  Edition         1973-11-xx [QCU]
160				rewriting in C effected,
161                                above 30 installations
162Fifth   Edition         1974-06-xx [QCU]
163				above 50 installations
164Sixth   Edition         1975-05-xx [QCU]
165				port to DEC Vax
166Seventh Edition         1979-01-xx [QCU]
167				first portable Unix
168Eight   Edition         1985-02-xx [QCU]
169				VAX 11/750, VAX 11/780 [dmr]
170				descended from 4.1c BSD [dmr]
171				descended from 4.1 BSD [44B]
172			scooping-out and replacement of the character-device 
173			and networking part by the streams mechanism
174
175Ninth   Edition         1986-09-xx [QCU]
176Tenth   Edition         1989-10-xx [QCU]
177
1781BSD                    late 1977
179			1978-03-09 [QCU]
180				PDP-11, Pascal, ex(1)
181				30 free copies of 1BSD sent out
182				35 tapes sold for 50 USD [QCU]
1832BSD                    mid 1978 [QCU]
184				75 2BSD tapes shipped
1852.7.9BSD		?? [SMS]
1862.8BSD			1981-07-xx [KSJ]
187
1882.8.1BSD		1982-01-xx [QCU]
189				set of performance improvements
1902.9BSD			1983-07-xx [KSJ]
1912.9.1BSD                1983-11-xx
1922.9BSD-Seismo		1985-08-xx [SMS]
1932.10BSD			1987-04-xx [KKK]
1942.10.1BSD		1989-01-xx [SMS]
1952.11BSD			1992-02-xx [SMS]
1962.11BSD rev #366	1997-02-xx [SMS]
197
19832V			1978-1[01]-xx [QCU]
1993BSD                    late 1979 [QCU]
200				virtual memory, page replacement,
201                        	demand paging
2024.0BSD                  1980-10-xx
2034.1BSD                  1981-06-xx
2044.1aBSD                 1982-04-xx
205				alpha release, 100 sites, networking [44B]
2064.1bBSD				internal release, fast filesystem [44B]
2074.1cBSD                 late 1982
208				beta release, IPC [44B]
2094.2BSD                  1983-09-xx [QCU]
2104.3BSD                  1986-06-xx [QCU]
211			1986-04-xx [KB]
2124.3BSD Tahoe            1988-06-xx [QCU]
2134.3BSD NET/1            1988-11-xx [QCU]
2144.3BSD Reno             1990-06-xx [QCU], [DOC]
2154.3BSD NET/2            1991-06-xx [QCU]
216386BSD 0.0              1992-02-xx [DOC]
217386BSD 0.1              1992-07-xx [DOC]
2184.4BSD Alpha            1992-07-07
219NetBSD 0.8              1993-04-19 [NBD]
2204.4BSD                  1993-06-01 [USE]
221NetBSD 0.9              1993-08-23 [NBD]
222FreeBSD 1.0		1993-11-xx [FOO]
2234.4BSD Lite             1994-03-01 [USE]
224FreeBSD 1.1		1994-04-xx [FBD]
225FreeBSD 1.1.5.1		1994-07-xx [FBD]
226				supercedes 1.1.5 3 days after release.
227NetBSD 1.0              1994-11-08 [NBD]
228386BSD 1.0              1994-11-12 [USE]
229FreeBSD 2.0		1995-01-xx [FBD]
230FreeBSD 2.0.5		1995-06-xx [FBD]
2314.4BSD Lite Release 2	1995-06-xx [44B]
232				the true final distribution from the CSRG
233NetBSD 1.1              1995-11-26 [NBD]
234FreeBSD 2.1		1995-12-xx [FBD]
235FreeBSD 2.1.5		1996-08-xx [FBD]
236NetBSD 1.2              1996-10-04 [NBD]
237OpenBSD 2.0             1996-10-18 [OBD]
238FreeBSD 2.1.6		1996-12-xx [FBD]
239FreeBSD 2.1.7		1997-02-xx [FBD]
240FreeBSD 2.2.1		1997-04-xx [FBD]
241NetBSD 1.2.1            1997-05-20 [NBD]
242OpenBSD 2.1             1997-06-01 [OBD]
243FreeBSD 2.2.2		1997-06-xx [FBD]
244NetBSD 1.3              1997-09-24 [NBD]
245FreeBSD 2.2.5		1997-11-xx [FBD]
246OpenBSD 2.2             1997-12-01 [OBD]
247FreeBSD 2.2.6		1998-03-xx [FBD]
248OpenBSD 2.3             1998-05-19 [OBD]
249NetBSD 1.3.2            1998-05-24 [NBD]
250FreeBSD 2.2.7		1998-07-xx [FBD]
251FreeBSD 3.0		1998-10-16 [FBD]
252FreeBSD 2.2.8           1998-11-29 [FBD]
253OpenBSD 2.4             1998-12-01 [OBD]
254NetBSD 1.3.3            1998-12-23 [NBD]
255
256
257Bibliography
258------------------------
259
260Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
261Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating
262System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
263
264Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
265Company, Inc., 1994. ISBN 0-201-54777-5
266
267McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
268Quarterman. The Design and Implementation of the 4.4BSD Operating
269System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
270
271Doug McIlroy. Research Unix Reader.
272
273Michael G. Brown. The Role of BSD in the Development of Unix.
274Presented to the Tasmanian Unix Special Interest Group of the
275Australian Computer Society, Hobart, August 1993.
276URL: http://www.dpac.tas.gov.au/~mgb/papers/bsdrole.html
277
278Peter H. Salus. Unix at 25. Byte Magazin, October 1994.
279URL: http://www.byte.com/art/9410/sec8/art3.htm
280
281Andreas Klemm, Lars K�ller. If you're going to San Francisco ...
282Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
283URL: http://www.heise.de
284
285BSD Release Announcements collection.
286URL: http://www.de.FreeBSD.ORG/de/ftp/releases/
287
288BSD Hypertext Man Pages
289http://www.freebsd.org/cgi/man.cgi
290
291Acknowledgments
292---------------
293
294Josh Gilliam for suggestions, bugfixes, and finding very old
295original BSD announcements from Usenet or tapes.
296
297Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
298
299--
300Copyright (c) 1997-1999 Wolfram Schneider <wosch@FreeBSD.ORG>
301URL: ftp://ftp.freebsd.org/pub/FreeBSD/FreeBSD-current/src/share/misc/bsd-family-tree
302
303$Date: 1999/01/15 17:21:39 $ $Revision: 1.11 $
304