bsd-family-tree revision 65412
1165982SrwatsonThe UNIX system family tree: Research and BSD
2165982Srwatson---------------------------------------------
3165982Srwatson
4165982SrwatsonFirst Edition (V1)
5165982Srwatson     |
6165982SrwatsonSecond Edition (V2)
7165982Srwatson     |
8165982SrwatsonThird Edition (V3)
9165982Srwatson     |
10165982SrwatsonFourth Edition (V4)
11165982Srwatson     |
12165982SrwatsonFifth Edition (V5)
13165982Srwatson     |
14165982SrwatsonSixth Edition (V6) -----*
15165982Srwatson       \                |
16165982Srwatson        \               |
17165982Srwatson         \              |
18165982SrwatsonSeventh Edition (V7)    |
19165982Srwatson            \           |
20165982Srwatson             \        1BSD
21165982Srwatson             32V        |
22165982Srwatson               \      2BSD---------------*
23165982Srwatson                \    /                   |
24165982Srwatson                 \  /                    |
25165982Srwatson                  \/                     |
26165982Srwatson                 3BSD                    |
27165982Srwatson                  |                      |
28165982Srwatson               4.0BSD               2.7.9BSD
29165984Srwatson                  |                      |
30165982Srwatson               4.1BSD --------------> 2.8BSD
31165982Srwatson                  |                      |
32165982Srwatson              4.1aBSD -----------\       |
33165982Srwatson                  |                \     |
34165982Srwatson              4.1bBSD                \   |
35165982Srwatson                  |                    \ |
36165982Srwatson      *------ 4.1cBSD --------------> 2.9BSD
37165982Srwatson     /            |                      |
38165984SrwatsonEighth Edition    |                   2.9BSD-Seismo
39165982Srwatson     |            |                      |
40165982Srwatson     +----<--- 4.2BSD               2.9.1BSD
41165982Srwatson     |            |                      |
42165982Srwatson     +----<--- 4.3BSD -------------> 2.10BSD
43165982Srwatson     |            |               /      |
44165982SrwatsonNinth Edition     |              / 2.10.1BSD
45165982Srwatson     |         4.3BSD Tahoe-----+        |
46165982Srwatson     |            |              \       |
47165982Srwatson     |            |                \     |
48165982Srwatson     v            |                  2.11BSD
49165982SrwatsonTenth Edition     |                      |
50165982Srwatson                  |                  2.11BSD rev #430
51165982Srwatson               4.3BSD NET/1              |
52165982Srwatson                  |                      v
53165982Srwatson               4.3BSD Reno
54165982Srwatson                  |
55165982Srwatson   *---------- 4.3BSD NET/2 -------------------+-------------*
56165982Srwatson   |                    |                      |             |
57165982Srwatson386BSD 0.0              |                      |             |
58165982Srwatson   |                    |                      |             |
59165982Srwatson386BSD 0.1 ------------>+                      |           BSDI 1.0
60165982Srwatson   |     \              |                  4.4BSD Alpha      |
61165982Srwatson   |     386BSD 1.0     |                      |             |
62165982Srwatson   |                    |                  4.4BSD            |
63165982Srwatson   |                    |                    / |             |
64165982Srwatson   |                    |   4.4BSD-Encumbered  |             |
65165982Srwatson   |                 NetBSD 0.8                |             |
66165982Srwatson   |                    |                      |             |
67165982SrwatsonFreeBSD 1.0          NetBSD 0.9                |             |
68165982Srwatson   |                    |           .----- 4.4BSD Lite --> BSDI 2.0
69165982SrwatsonFreeBSD 1.1             |          /   /       |             |
70165982Srwatson   |                    |         /   /        |           BSDI 2.0.1
71165982SrwatsonFreeBSD 1.1.5       .---|--------'   /         |             |
72165982Srwatson   |               /    |           /      4.4BSD Lite2 -> BSDI 2.1
73165982SrwatsonFreeBSD 1.1.5.1   /     |          /      /    |    | \      |
74165982Srwatson   |             /   NetBSD 1.0 <-'      /     |    |   \    |
75165982Srwatson   |            /       |              /       |    |    `-BSDI 3.0
76165982SrwatsonFreeBSD 2.0 <--'        |         FreeBSD 3.0  |    |        |
77165982Srwatson   |                     \               NetBSD 1.3 |        v
78165982SrwatsonFreeBSD 2.0.5             \                   OpenBSD 2.3
79165982Srwatson   |                       \
80165982Srwatson   |                        \
81165982SrwatsonFreeBSD 2.1                  |
82165982Srwatson |   |                    NetBSD 1.1 ------.
83165982Srwatson | FreeBSD 2.1.5             |              \
84165982Srwatson |     |                  NetBSD 1.2         \
85165982Srwatson | FreeBSD 2.1.6             |  \          OpenBSD 2.0
86165982Srwatson |     |                     |   \             |
87165982Srwatson | FreeBSD 2.1.6.1           |    \            |
88165982Srwatson |     |                     |     \           |
89165982Srwatson | FreeBSD 2.1.7             |      |          |
90165982Srwatson |     |                     |  NetBSD 1.2.1   |
91165982Srwatson | FreeBSD 2.1.7.1           |                 |
92165982Srwatson |                           |                 |
93165982Srwatson |                           |                 |
94165982Srwatson *-FreeBSD 2.2               |                 |
95165982Srwatson |        \                  |                 |
96165984Srwatson |     FreeBSD 2.2.1         |                 |
97165982Srwatson |         |                 |                 |
98165982Srwatson |     FreeBSD 2.2.2         |             OpenBSD 2.1
99165982Srwatson |         |              NetBSD 1.3           |
100165982Srwatson |     FreeBSD 2.2.5         |   \             |
101165982Srwatson |         |                 | NetBSD 1.3.1  OpenBSD 2.2
102165982Srwatson |         v                 |    |            |
103165982Srwatson |     FreeBSD 2.2.6         |    |          OpenBSD 2.3
104165982Srwatson |         |                 | NetBSD 1.3.2    |
105165982Srwatson |         v                 |    |            |
106165982Srwatson |     FreeBSD 2.2.7         |    |            |
107165984Srwatson |         |                 |    |            |
108165982Srwatson |         v                 |    |            |
109165982Srwatson |     FreeBSD 2.2.8         |    |            |
110165982Srwatson |                           |    |            |
111165982Srwatson |                           |    |        OpenBSD 2.4
112165982SrwatsonFreeBSD 3.0                  |    |            |
113165982Srwatson |                           | NetBSD 1.3.3    |
114165982Srwatson *---FreeBSD 3.1             |                 |
115165982Srwatson |       |                   |                 |
116165982Srwatson |   FreeBSD 3.2          NetBSD 1.4       OpenBSD 2.5
117165984Srwatson |       |                   |    |            |
118165982Srwatson |   FreeBSD 3.3             | NetBSD 1.4.1    |
119165984Srwatson |       |                   |    |        OpenBSD 2.6
120165984Srwatson |   FreeBSD 3.4             |    |            |
121165982Srwatson |           |               |    |            |
122165982SrwatsonFreeBSD 4.0  |               | NetBSD 1.4.2    |
123165982Srwatson |           |               |                 |
124165982Srwatson |           |               |                 |
125165982Srwatson |   FreeBSD 3.5             |             OpenBSD 2.7
126165982Srwatson |           |               |                 |
127165982Srwatson |   FreeBSD 3.5.1           |                 |
128165982Srwatson |                           |                 |
129165982Srwatson *---FreeBSD 4.1             |                 |
130165982Srwatson |      |                    |                 |
131165982Srwatson |      v                    |                 |
132165982Srwatson |                           |                 |
133165982Srwatson |                           |                 |
134165982SrwatsonFreeBSD 5.0-current       NetBSD -current  OpenBSD -current
135165982Srwatson |                           |                 |
136165982Srwatson v                           v                 v
137165982Srwatson
138165982Srwatson
139165982SrwatsonTime
140165982Srwatson----------------
141165982Srwatson
142165982SrwatsonTime tolerance +/- 6 month, depend on which book/article you read; if
143165982Srwatsonit was the announcement in Usenet or if it was available as tape.
144165982Srwatson
145165982Srwatson[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
146165982Srwatson	and John Quarterman. The Design and Implementation of
147165982Srwatson	the 4.4BSD Operating System.
148165982Srwatson[DOC] README, COPYRIGHT on tape.
149165984Srwatson[QCU] Salus, Peter H. A quarter century of UNIX.
150165984Srwatson[U25] Peter H. Salus. Unix at 25.
151165982Srwatson[USE] Usenet announcement.
152165982Srwatson[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
153165982Srwatson	Changes in the Kernel in 2.9BSD. Second Berkeley Software
154165982Srwatson	Distribution UNIX Version 2.9, July, 1983.
155165982Srwatson[KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
156165982Srwatson	Volume 11, Info 4, April, 1987.
157165982Srwatson[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
158165982Srwatson	comp.bugs.4bsd.ucb-fixes, June 15, 1988.
159165982Srwatson[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
160165982Srwatson[FBD] FreeBSD Project, The.
161165982Srwatson[NBD] NetBSD Project, The.
162165982Srwatson[OBD] OpenBSD Project, The.
163165982Srwatson[dmr] Dennis Ritchie, via E-Mail
164165982Srwatson
165165982Srwatson
166165984SrwatsonMultics                 1965
167165984SrwatsonUNIX                    Summer 1969
168165984Srwatson				DEC PDP-7
169165984SrwatsonFirst   Edition         1971-11-03 [QCU]
170165984Srwatson				DEC PDP-11/20, Assembler
171165984SrwatsonSecond  Edition         1972-06-12 [QCU]
172165984Srwatson				10 UNIX installations
173165984SrwatsonThird   Edition         1973-02-xx [QCU]
174165984Srwatson				Pipes, 16 installations
175165984SrwatsonFourth  Edition         1973-11-xx [QCU]
176165984Srwatson				rewriting in C effected,
177165984Srwatson                                above 30 installations
178165984SrwatsonFifth   Edition         1974-06-xx [QCU]
179165984Srwatson				above 50 installations
180165982SrwatsonSixth   Edition         1975-05-xx [QCU]
181165982Srwatson				port to DEC Vax
182165982SrwatsonSeventh Edition         1979-01-xx [QCU]
183165982Srwatson				first portable UNIX
184165982SrwatsonEighth  Edition         1985-02-xx [QCU]
185165982Srwatson				VAX 11/750, VAX 11/780 [dmr]
186165982Srwatson				descended from 4.1c BSD [dmr]
187165982Srwatson				descended from 4.1 BSD [44B]
188165982Srwatson			scooping-out and replacement of the character-device 
189165982Srwatson			and networking part by the streams mechanism
190165982Srwatson
191165982SrwatsonNinth   Edition         1986-09-xx [QCU]
192165982SrwatsonTenth   Edition         1989-10-xx [QCU]
193165982Srwatson
194165982Srwatson1BSD                    late 1977
195165982Srwatson			1978-03-09 [QCU]
196165982Srwatson				PDP-11, Pascal, ex(1)
197165982Srwatson				30 free copies of 1BSD sent out
198165982Srwatson				35 tapes sold for 50 USD [QCU]
199165982Srwatson2BSD                    mid 1978 [QCU]
200165982Srwatson				75 2BSD tapes shipped
201165982Srwatson2.7.9BSD		?? [SMS]
202165982Srwatson2.8BSD			1981-07-xx [KSJ]
203165982Srwatson
204165982Srwatson2.8.1BSD		1982-01-xx [QCU]
205165982Srwatson				set of performance improvements
206165982Srwatson2.9BSD			1983-07-xx [KSJ]
207165982Srwatson2.9.1BSD                1983-11-xx
208165982Srwatson2.9BSD-Seismo		1985-08-xx [SMS]
209165982Srwatson2.10BSD			1987-04-xx [KKK]
210165982Srwatson2.10.1BSD		1989-01-xx [SMS]
211165982Srwatson2.11BSD			1992-02-xx [SMS]
212165982Srwatson2.11BSD rev #430	1999-12-13 [SMS]
213165982Srwatson
214165982Srwatson32V			1978-1[01]-xx [QCU]
215165982Srwatson3BSD                    late 1979 [QCU]
216165982Srwatson				virtual memory, page replacement,
217165982Srwatson                        	demand paging
218165982Srwatson4.0BSD                  1980-10-xx
219165982Srwatson4.1BSD                  1981-06-xx
220165982Srwatson4.1aBSD                 1982-04-xx
221165982Srwatson				alpha release, 100 sites, networking [44B]
222165982Srwatson4.1bBSD				internal release, fast filesystem [44B]
223165982Srwatson4.1cBSD                 late 1982
224165982Srwatson				beta release, IPC [44B]
225165982Srwatson4.2BSD                  1983-09-xx [QCU]
226165982Srwatson4.3BSD                  1986-06-xx [QCU]
227165982Srwatson			1986-04-xx [KB]
228165982Srwatson4.3BSD Tahoe            1988-06-xx [QCU]
229165982Srwatson4.3BSD NET/1            1988-11-xx [QCU]
230165982Srwatson4.3BSD Reno             1990-06-xx [QCU], [DOC]
231165982Srwatson4.3BSD NET/2            1991-06-xx [QCU]
232165982Srwatson386BSD 0.0              1992-02-xx [DOC]
233165982Srwatson386BSD 0.1              1992-07-xx [DOC]
234165982Srwatson4.4BSD Alpha            1992-07-07
235165982SrwatsonNetBSD 0.8              1993-04-20 [NBD]
236165982Srwatson4.4BSD                  1993-06-01 [USE]
237165982SrwatsonNetBSD 0.9              1993-08-23 [NBD]
238165982SrwatsonFreeBSD 1.0		1993-11-xx [FOO]
239165982Srwatson4.4BSD Lite             1994-03-01 [USE]
240165982SrwatsonFreeBSD 1.1		1994-04-xx [FBD]
241165982SrwatsonFreeBSD 1.1.5.1		1994-07-xx [FBD]
242165982Srwatson				supersedes 1.1.5 3 days after release.
243165982SrwatsonNetBSD 1.0              1994-10-26 [NBD]
244165982Srwatson386BSD 1.0              1994-11-12 [USE]
245165982SrwatsonFreeBSD 2.0		1995-01-xx [FBD]
246165982SrwatsonFreeBSD 2.0.5		1995-06-xx [FBD]
247165982Srwatson4.4BSD Lite Release 2	1995-06-xx [44B]
248165982Srwatson				the true final distribution from the CSRG
249165982SrwatsonNetBSD 1.1              1995-11-26 [NBD]
250165982SrwatsonFreeBSD 2.1		1995-12-xx [FBD]
251165982SrwatsonFreeBSD 2.1.5		1996-08-xx [FBD]
252165982SrwatsonNetBSD 1.2              1996-10-04 [NBD]
253165982SrwatsonOpenBSD 2.0             1996-10-18 [OBD]
254165982SrwatsonFreeBSD 2.1.6		1996-12-xx [FBD]
255165982SrwatsonFreeBSD 2.1.7		1997-02-xx [FBD]
256165982SrwatsonFreeBSD 2.2.1		1997-04-xx [FBD]
257165982SrwatsonNetBSD 1.2.1            1997-05-20 [NBD] (patch release)
258165982SrwatsonOpenBSD 2.1             1997-06-01 [OBD]
259165982SrwatsonFreeBSD 2.2.2		1997-06-xx [FBD]
260165982SrwatsonNetBSD 1.3              1998-01-04 [NBD]
261165982SrwatsonFreeBSD 2.2.5		1997-11-xx [FBD]
262165982SrwatsonOpenBSD 2.2             1997-12-01 [OBD]
263165982SrwatsonFreeBSD 2.2.6		1998-03-xx [FBD]
264165982SrwatsonNetBSD 1.3.1            1998-03-09 [NBD] (patch release)
265165982SrwatsonOpenBSD 2.3             1998-05-19 [OBD]
266165982SrwatsonNetBSD 1.3.2            1998-05-29 [NBD] (patch release)
267165982SrwatsonFreeBSD 2.2.7		1998-07-xx [FBD]
268165982SrwatsonFreeBSD 3.0		1998-10-16 [FBD]
269165982Srwatson				FreeBSD-3.0 is a snapshot from -current, 
270165982Srwatson				while 3.1 and 3.2 are from 3.x-stable which 
271165982Srwatson				was branched quite some time after 3.0-release
272165982SrwatsonFreeBSD 2.2.8           1998-11-29 [FBD]
273165982SrwatsonOpenBSD 2.4             1998-12-01 [OBD]
274165982SrwatsonNetBSD 1.3.3            1998-12-23 [NBD] (patch release)
275165982SrwatsonFreeBSD 3.1		1999-02-15 [FBD]
276165982SrwatsonNetBSD 1.4              1999-05-12 [NBD]
277165982SrwatsonFreeBSD 3.2             1999-05-17 [FBD]
278165982SrwatsonOpenBSD 2.5             1999-05-19 [OBD]
279165982SrwatsonNetBSD 1.4.1            1999-08-26 [NBD] (patch release)
280165982SrwatsonFreeBSD 3.3             1999-09-17 [FBD]
281165982SrwatsonOpenBSD 2.6             1999-12-01 [OBD]
282165982SrwatsonFreeBSD 3.4             1999-12-20 [FBD]
283165982SrwatsonFreeBSD 4.0             2000-03-13 [FBD]
284165982SrwatsonNetBSD 1.4.2            2000-03-19 [NBD] (patch release)
285165982SrwatsonOpenBSD 2.7             2000-06-15 [OBD]
286165982SrwatsonFreeBSD 3.5		2000-06-24 [FBD]
287165982SrwatsonFreeBSD 4.1		2000-07-27 [FBD]
288165982SrwatsonFreeBSD 3.5.1		2000-07-28 [FBD]
289165982Srwatson
290165982Srwatson
291Bibliography
292------------------------
293
294Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
295Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating
296System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
297
298Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
299Company, Inc., 1994. ISBN 0-201-54777-5
300
301McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
302Quarterman. The Design and Implementation of the 4.4BSD Operating
303System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
304
305Doug McIlroy. Research Unix Reader.
306
307Michael G. Brown. The Role of BSD in the Development of Unix.
308Presented to the Tasmanian Unix Special Interest Group of the
309Australian Computer Society, Hobart, August 1993.
310
311Peter H. Salus. Unix at 25. Byte Magazine, October 1994.
312URL: http://www.byte.com/art/9410/sec8/art3.htm
313
314Andreas Klemm, Lars K�ller. If you're going to San Francisco ...
315Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
316
317BSD Release Announcements collection.
318URL: http://www.de.FreeBSD.org/de/ftp/releases/
319
320BSD Hypertext Man Pages
321http://www.FreeBSD.org/cgi/man.cgi
322
323UNIX history graphing project
324http://minnie.cs.adfa.edu.au/Unix_History/index.html
325
326Acknowledgments
327---------------
328
329Josh Gilliam for suggestions, bug fixes, and finding very old
330original BSD announcements from Usenet or tapes.
331
332Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
333
334--
335Copyright (c) 1997-1999 Wolfram Schneider <wosch@FreeBSD.ORG>
336URL: ftp://ftp.freebsd.org/pub/FreeBSD/FreeBSD-current/src/share/misc/bsd-family-tree
337
338$FreeBSD: head/share/misc/bsd-family-tree 65412 2000-09-03 16:45:46Z wosch $
339
340