101284303287dc922d9e64e05ce2ce99dd2a59f2
[dragonfly.git] / share / misc / bsd-family-tree
1 The UNIX system family tree: Research and BSD
2 ---------------------------------------------
3
4 First Edition (V1)
5      |
6 Second Edition (V2)
7      |
8 Third Edition (V3)
9      |
10 Fourth Edition (V4)
11      |
12 Fifth Edition (V5)
13      |
14 Sixth Edition (V6) -----*
15        \                |
16         \               |
17          \              |
18 Seventh Edition (V7)    |
19             \           |
20              \        1BSD
21              32V        |
22                \      2BSD---------------*
23                 \    /                   |
24                  \  /                    |
25                   \/                     |
26                  3BSD                    |
27                   |                      |
28                4.0BSD                2.79BSD
29                   |                      |
30                4.1BSD --------------> 2.8BSD
31                   |                      |
32               4.1aBSD -----------\       |
33                   |                \     |
34               4.1bBSD                \   |
35                   |                    \ |
36       *------ 4.1cBSD --------------> 2.9BSD
37      /            |                      |
38 Eighth Edition    |                   2.9BSD-Seismo
39      |            |                      |
40      +----<--- 4.2BSD               2.9.1BSD
41      |            |                      |
42      +----<--- 4.3BSD -------------> 2.10BSD
43      |            |               /      |
44 Ninth Edition     |              / 2.10.1BSD
45      |         4.3BSD Tahoe-----+        |
46      |            |              \       |
47      |            |                \     |
48      v            |                  2.11BSD
49 Tenth Edition     |                      |
50                   |                  2.11BSD rev #430
51                4.3BSD NET/1              |
52                   |                      v
53                4.3BSD Reno
54                   |
55    *---------- 4.3BSD NET/2 -------------------+-------------*
56    |                    |                      |             |
57 386BSD 0.0              |                      |           BSD/386 ALPHA
58    |                    |                      |             |
59 386BSD 0.1 ------------>+                      |           BSD/386 0.3.[13]
60    |     \              |                  4.4BSD Alpha      |
61    |     386BSD 1.0     |                      |           BSD/386 0.9.[34]
62    |                    |                  4.4BSD            |
63    |                    |                    / |             |
64    |                    |   4.4BSD-Encumbered  |             |
65    |                 NetBSD 0.8                |           BSD/386 1.0
66    |                    |                      |             |
67 FreeBSD 1.0          NetBSD 0.9                |           BSD/386 1.1
68    |                    |           .----- 4.4BSD Lite       |
69 FreeBSD 1.1             |          /   /       |     \       |
70    |                    |         /   /        |      \      |
71 FreeBSD 1.1.5       .---|--------'   /         |       \     |
72    |               /    |           /          |        \    |
73 FreeBSD 1.1.5.1   /     |          /           |         \   |
74    |             /   NetBSD 1.0 <-'            |          \  |
75    |            /       |                      |           \ |
76 FreeBSD 2.0 <--'        |                      |           BSD/OS 2.0
77    |                     \                     |             |
78 FreeBSD 2.0.5             \                    |           BSD/OS 2.0.1
79    |                 .-----\------------- 4.4BSD Lite2       |
80    |                 |      \             |  |   |   |       |
81    |                 | .-----|------Rhapsody |   |   |       |
82    |                 | |     |        NetBSD 1.3 |   |       |
83    |                 | |     |           OpenBSD 2.3 |       |
84    |                 | |     |                BSD/OS 3.0     |
85 FreeBSD 2.1          | |     |                               |
86  |   |               | |  NetBSD 1.1 ------.               BSD/OS 2.1
87  | FreeBSD 2.1.5     | |     |              \                |
88  |     |             | |  NetBSD 1.2         \             BSD/OS 3.0
89  | FreeBSD 2.1.6     | |     |  \          OpenBSD 2.0       |
90  |     |             | |     |   \             |             |
91  | FreeBSD 2.1.6.1   | |     |    \            |             |
92  |     |             | |     |     \           |             |
93  | FreeBSD 2.1.7     | |     |      |          |             |
94  |     |             | |     |  NetBSD 1.2.1   |             |
95  | FreeBSD 2.1.7.1   | |     |                 |             |
96  |                   | |     |                 |             |
97  |                   | |     |                 |             |
98  *-FreeBSD 2.2       | |     |                 |             |
99  |        \          | |     |                 |             |
100  |     FreeBSD 2.2.1 | |     |                 |             |
101  |         |         | |     |                 |             |
102  |     FreeBSD 2.2.2 | |     |             OpenBSD 2.1       |
103  |         |         | |     |                 |             |
104  |     FreeBSD 2.2.5 | |     |                 |             |
105  |         |         | |     |             OpenBSD 2.2       |
106  |         |         | |  NetBSD 1.3           |             |
107  |     FreeBSD 2.2.6 | |     |    |            |             |
108  |         |         | |     | NetBSD 1.3.1    |           BSD/OS 3.1
109  |         |         | |     |    |        OpenBSD 2.3       |
110  |         |         | |     | NetBSD 1.3.2    |             |
111  |     FreeBSD 2.2.7 | |     |    |            |             |
112  |         |         | |     |    |            |           BSD/OS 4.0
113  |         v         | |     |    |            |             |
114  |     FreeBSD 2.2.8 | |     |    |            |             |
115  |                   | |     |    |        OpenBSD 2.4       |
116 FreeBSD 3.0 <--------* |     |    v            |             |
117  |                     |     | NetBSD 1.3.3    |             |
118  *---FreeBSD 3.1       |     |                 |             |
119  |       |             |     |                 |           BSD/OS 4.0.1
120  |   FreeBSD 3.2----*  |  NetBSD 1.4       OpenBSD 2.5       |
121  |       |          |  |  |  |    |            |             |
122  |       |          |  |  |  |    |            |             |
123  |       |          |  |  |  |    |            |             |
124  |   FreeBSD 3.3    |  |  |  | NetBSD 1.4.1    |             |
125  |       |          |  |  |  |    |        OpenBSD 2.6       |
126  |   FreeBSD 3.4    |  |  |  |    |            |             |
127  |           |      |  |  |  |    |            |           BSD/OS 4.1
128 FreeBSD 4.0  |      |  |  |  | NetBSD 1.4.2    |             |
129  |           |      |  |  |  |    |            |             |
130  |           |      |  |  |  |    |            |             |
131  |   FreeBSD 3.5    |  |  |  |    |        OpenBSD 2.7       |
132  |           |      |  |  |  |    |            |             |
133  |   FreeBSD 3.5.1  |  |  |  |    |            |             |
134  |                  |  |  |  |    |            |             |
135  *---FreeBSD 4.1    |  |  |  |    |            |             |
136  |      |           |  | (?) |    |            |             |
137  |   FreeBSD 4.1.1  |  |  /  |    |            |             |
138  |      |           |  | /   |    |            |             |
139  |   FreeBSD 4.2   Darwin/   | NetBSD 1.4.3    |             |
140  |      |         Mac OS X   |             OpenBSD 2.8     BSD/OS 4.2
141  |      |             |      |                 |             |
142  |      |             |      |                 |             |
143  |      |           10.0  NetBSD 1.5           |             |
144  |   FreeBSD 4.3      |      |    |            |             |
145  |      |             |      |    |        OpenBSD 2.9       |
146  |      |             |      | NetBSD 1.5.1    |             |
147  |      |             |      |    |            |             |
148  |   FreeBSD 4.4-.    |      | NetBSD 1.5.2    |             |
149  |      |        | Mac OS X  |    |            |             |
150  |      |        |   10.1    |    |        OpenBSD 3.0       |
151  |   FreeBSD 4.5 |    |      |    |            |             |
152  |      |         \   |      |    |            |           BSD/OS 4.3
153  |   FreeBSD 4.6   \  |      |    |        OpenBSD 3.1       |
154  |      |           \ |      | NetBSD 1.5.3    |             |
155  |   FreeBSD 4.6.2 Mac OS X  |                 |             |
156  |      |            10.2    |                 |             |
157  |   FreeBSD 4.7      |      |                 |             |
158  |      |             |   NetBSD 1.6       OpenBSD 3.2       |
159  |   FreeBSD 4.8      |      |    |            |             |
160  |      |             |      | NetBSD 1.6.1    |             |
161  |      |--------.    |      |    |        OpenBSD 3.3     BSD/OS 5.0
162  |      |         \   |      |    |            |             |
163  |   FreeBSD 4.9   |  |      |    |        OpenBSD 3.4     BSD/OS 5.1 ISE
164  |      |          |  |      |    |            |
165  |      |          |  |      | NetBSD 1.6.2    |
166  |      |          |  |      |    |            |
167  |      |          |  |      |    |        OpenBSD 3.5
168  |      |          |  |      |    v            |
169  |   FreeBSD 4.10  |  |      |                 |
170  |      |          |  |      |                 |
171  |   FreeBSD 4.11  |  |      |                 |
172  |                 |  |      |                 |
173  |                  `-|------|-----------------|---------------------.
174  |                    |      |                 |                      \
175 FreeBSD 5.0           |      |                 |                       |
176  |                    |      |                 |                       |
177 FreeBSD 5.1           |      |                 |                 DragonFly 1.0
178  |          \         |      |                 |                       |
179  |           ----- Mac OS X  |                 |                       |
180  |                   10.3    |                 |                       |
181 FreeBSD 5.2           |      |                 |                       |
182  |      |             |      |                 |                       |
183  |   FreeBSD 5.2.1    |      |                 |                       |
184  |                    |      |                 |                       |
185  *-------FreeBSD 5.3  |      |                 |                       |
186  |           |        |      |             OpenBSD 3.6                 |
187  |           |        |   NetBSD 2.0           |                       |
188  |           |        |      | |  |            |                DragonFly 1.2.0
189  |           |     Mac OS X  | | NetBSD 2.0.2  |                       |
190  |           |       10.4    | |  |            |                       |
191  |       FreeBSD 5.4  |      | |  |            |                       |
192  |           |        |      | |  |        OpenBSD 3.7                 |
193  |           |        |      | | NetBSD 2.0.3  |                       |
194  |           |        |      | |  |            |                       |
195  *--FreeBSD  |        |      | |  v        OpenBSD 3.8                 |
196  |    6.0    |        |      | |               |                       |
197  |     |     |        |      |  \              |                       |
198  |     |     |        |      | NetBSD 2.1      |                       |
199  |     |     |        |      |                 |                       |
200  |     |     |        |   NetBSD 3.0           |                       |
201  |     |     |        |      | |  |            |                DragonFly 1.4.0
202  |     |     |        |      | |  |        OpenBSD 3.9                 |
203  |  FreeBSD  |        |      | |  |            |                       |
204  |    6.1    |        |      | |  |            |                       |
205  |     |  FreeBSD 5.5 |      | |  |            |                       |
206  |     |              |      | | NetBSD 3.0.1  |                DragonFly 1.6.0
207  |     |              |      | |  |            |                       |
208  |     |              |      | |  |        OpenBSD 4.0                 |
209  |     |              |      | | NetBSD 3.0.2  |                       |
210  |     |              |      | NetBSD 3.1      |                       |
211  | FreeBSD 6.2        |      |                 |                       |
212  |     |              |      |                 |                DragonFly 1.8.0
213  |     |              |      |             OpenBSD 4.1                 |
214  |     |              |      |                 |                DragonFly 1.10.0
215  |     |           Mac OS X  |                 |                       |
216  |     |             10.5    |                 |                       |
217  |     |              |      |             OpenBSD 4.2                 |
218  |     |              |   NetBSD 4.0           |                       |
219  | FreeBSD 6.3        |      |                 |                       |
220  |            \       |      |                 |                       |
221  *--FreeBSD    |      |      |                 |                DragonFly 1.12.0
222  |    7.0      |      |      |                 |                       |
223  |     |       |      |      |             OpenBSD 4.3                 |
224  |     |       |      |      |                 |                DragonFly 2.0.0
225  |     |    FreeBSD   |      |             OpenBSD 4.4                 |
226  |     |      6.4     |      |                 |                       |
227  |     |              |      |                 |                       |
228  |  FreeBSD 7.1       |      |                 |                       |
229  |     |              |      |                 |                DragonFly 2.2.0
230  |  FreeBSD 7.2       |   NetBSD 5.0       OpenBSD 4.5                 |
231  |     |              |      |                 |                       |
232  |     |              |      |                 |                DragonFly 2.4.0
233  |     V              |      |             OpenBSD 4.6                 |
234  |                    |      |                 |                       |
235  *--FreeBSD           |      |                 |                       |
236  |    8.0             |      |                 |                       |
237  |     |              |      |                 |                       |
238  |     V              |      |                 |                       |
239  |                    |      |                 |                       |
240 FreeBSD 9 -current    |  NetBSD -current  OpenBSD -current             |
241  |                    |      |                 |                       |
242  v                    v      v                 v                       v
243
244 Time
245 ----------------
246
247 Time tolerance +/- 6 months, depending on which book/article you read; if it
248 was the announcement in Usenet or if it was available as tape.
249
250 [44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
251         and John Quarterman. The Design and Implementation of
252         the 4.4BSD Operating System.
253 [APL] Apple website [http://www.apple.com/macosx/]
254 [BSDI] Berkeley Software Design, Inc.
255 [DFB] DragonFlyBSD Project, The.
256 [DOC] README, COPYRIGHT on tape.
257 [FBD] FreeBSD Project, The.
258 [KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
259         Volume 11, Info 4, April, 1987.
260 [KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
261         comp.bugs.4bsd.ucb-fixes, June 15, 1988.
262 [KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
263         Changes in the Kernel in 2.9BSD. Second Berkeley Software
264         Distribution UNIX Version 2.9, July, 1983.
265 [NBD] NetBSD Project, The.
266 [OBD] OpenBSD Project, The.
267 [QCU] Salus, Peter H. A quarter century of UNIX.
268 [SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
269 [TUHS] The Unix Historical Society.  http://minnie.tuhs.org/Unix_History/.
270 [USE] Usenet announcement.
271 [WRS] Wind River Systems, Inc.
272 [dmr] Dennis Ritchie, via E-Mail
273
274 Multics                 1965
275 UNIX                    Summer 1969
276                                 DEC PDP-7
277 First   Edition         1971-11-03 [QCU]
278                                 DEC PDP-11/20, Assembler
279 Second  Edition         1972-06-12 [QCU]
280                                 10 UNIX installations
281 Third   Edition         1973-02-xx [QCU]
282                                 Pipes, 16 installations
283 Fourth  Edition         1973-11-xx [QCU]
284                                 rewriting in C effected,
285                                 above 30 installations
286 Fifth   Edition         1974-06-xx [QCU]
287                                 above 50 installations
288 Sixth   Edition         1975-05-xx [QCU]
289                                 port to DEC Vax
290 Seventh Edition         1979-01-xx [QCU]
291                                 first portable UNIX
292 Eighth  Edition         1985-02-xx [QCU]
293                                 VAX 11/750, VAX 11/780 [dmr]
294                                 descended from 4.1c BSD [dmr]
295                                 descended from 4.1 BSD [44B]
296                         scooping-out and replacement of the character-device
297                         and networking part by the streams mechanism
298
299 Ninth   Edition         1986-09-xx [QCU]
300 Tenth   Edition         1989-10-xx [QCU]
301
302 1BSD                    late 1977
303                         1978-03-09 [QCU]
304                                 PDP-11, Pascal, ex(1)
305                                 30 free copies of 1BSD sent out
306                                 35 tapes sold for 50 USD [QCU]
307 2BSD                    mid 1978 [QCU] 1979-05-10 [TUHS]
308                                 75 2BSD tapes shipped
309 2.79BSD                 1980-04-xx [TUHS]
310 2.8BSD                  1981-07-xx [KSJ]
311
312 2.8.1BSD                1982-01-xx [QCU]
313                                 set of performance improvements
314 2.9BSD                  1983-07-xx [KSJ]
315 2.9.1BSD                1983-11-xx [TUHS]
316 2.9BSD-Seismo           1985-08-xx [SMS]
317 2.10BSD                 1987-04-xx [KKK]
318 2.10.1BSD               1989-01-xx [SMS]
319 2.11BSD                 1992-02-xx [SMS]
320 2.11BSD rev #430        1999-12-13 [SMS]
321
322 32V                     1978-1[01]-xx [QCU]
323 3BSD                    late 1979 [QCU] March 1980 [TUHS]
324                                 virtual memory, page replacement,
325                                 demand paging
326 4.0BSD                  1980-10-xx
327 4.1BSD                  1981-07-08 [DOC]
328 4.1aBSD                 1982-04-xx
329                                 alpha release, 100 sites, networking [44B]
330 4.1bBSD                         internal release, fast filesystem [44B]
331 4.1cBSD                 late 1982
332                                 beta release, IPC [44B]
333 4.2BSD                  1983-09-xx [QCU]
334                         1983-08-03 [DOC]
335 4.3BSD                  1986-06-xx [QCU]
336                         1986-04-05 [KB], [DOC]
337 4.3BSD Tahoe            1988-06-15 [QCU], [DOC]
338 4.3BSD NET/1            1988-11-xx [QCU]
339                         1989-01-01 [DOC]
340 4.3BSD Reno             1990-06-29 [QCU], [DOC]
341 4.3BSD NET/2            1991-06-28 [QCU], [DOC]
342
343 BSD/386 ALPHA           1991-12-xx [BSDI]
344                                 first code released to people outside BSDI
345 386BSD 0.0              1992-02-xx [DOC]
346 BSD/386 0.3.1           1992-04-xx [BSDI] first ext. beta; B customers
347 BSD/386 0.3.3           1992-06-xx [BSDI] first CDROM version
348 386BSD 0.1              1992-07-28 [DOC]
349 4.4BSD Alpha            1992-07-07
350 BSD/386 0.9.3           1992-10-xx [BSDI]
351                                 first external gamma; G customers
352 BSD/386 0.9.4           1992-12-xx [BSDI]
353                                 would have been 1.0 except for request
354                                 for preliminary injunction
355 BSD/386 1.0             1993-03-xx [BSDI]
356                                 injunction denied; first official release
357 NetBSD 0.8              1993-04-20 [NBD]
358 4.4BSD                  1993-06-01 [USE]
359 NetBSD 0.9              1993-08-23 [NBD]
360 FreeBSD 1.0             1993-11-01 [FBD]
361 FreeBSD 1.0.2           1993-11-14 [FBD]
362                                 supersedes 1.0 13 days after release.
363 BSD/386 1.1             1994-02-xx [BSDI]
364 4.4BSD Lite             1994-03-01 [USE]
365 FreeBSD 1.1             1994-05-07 [FBD]
366 FreeBSD 1.1.5           1994-06-30 [FBD]
367 FreeBSD 1.1.5.1         1994-07-05 [FBD]
368                                 supersedes 1.1.5 5 days after release.
369 NetBSD 1.0              1994-10-26 [NBD]
370 386BSD 1.0              1994-11-12 [USE]
371 FreeBSD 2.0             1994-11-23 [FBD]
372 BSD/OS 2.0              1995-01-xx [BSDI] 4.4 lite based
373 FreeBSD 2.0.5           1995-06-10 [FBD]
374 BSD/OS 2.0.1            1995-06-xx [BSDI]
375 4.4BSD Lite Release 2   1995-06-xx [44B]
376                                 the true final distribution from the CSRG
377 FreeBSD 2.1.0           1995-11-19 [FBD]
378 NetBSD 1.1              1995-11-26 [NBD]
379 BSD/OS 2.1              1996-01-xx [BSDI]
380 FreeBSD 2.1.5           1996-07-14 [FBD]
381 NetBSD 1.2              1996-10-04 [NBD]
382 OpenBSD 2.0             1996-10-18 [OBD]
383 FreeBSD 2.1.6           1996-11-16 [FBD]
384 FreeBSD 2.1.6.1         1996-11-25 [FBD] (sendmail security release)
385 Rhapsody                1997-xx-xx
386 FreeBSD 2.1.7           1997-02-20 [FBD]
387 BSD/OS 3.0              1997-02-xx [BSDI] 4.4 lite2 based
388 FreeBSD 2.2.0           1997-03-16 [FBD]
389 FreeBSD 2.2.1           1997-03-25 [FBD]
390 FreeBSD 2.2.2           1997-05-16 [FBD]
391 NetBSD 1.2.1            1997-05-20 [NBD] (patch release)
392 OpenBSD 2.1             1997-06-01 [OBD]
393 FreeBSD 2.2.5           1997-10-22 [FBD]
394 OpenBSD 2.2             1997-12-01 [OBD]
395 NetBSD 1.3              1998-01-04 [NBD]
396 FreeBSD 2.2.6           1998-03-25 [FBD]
397 NetBSD 1.3.1            1998-03-09 [NBD] (patch release)
398 BSD/OS 3.1              1998-03-xx [BSDI]
399 OpenBSD 2.3             1998-05-19 [OBD]
400 NetBSD 1.3.2            1998-05-29 [NBD] (patch release)
401 FreeBSD 2.2.7           1998-07-22 [FBD]
402 BSD/OS 4.0              1998-08-xx [BSDI]
403                                 2-lock MP support, ELF executables
404 FreeBSD 3.0             1998-10-16 [FBD]
405                                 FreeBSD-3.0 is a snapshot from -current,
406                                 while 3.1 and 3.2 are from 3.x-stable which
407                                 was branched quite some time after 3.0-release
408 FreeBSD 2.2.8           1998-11-29 [FBD]
409 OpenBSD 2.4             1998-12-01 [OBD]
410 NetBSD 1.3.3            1998-12-23 [NBD] (patch release)
411 FreeBSD 3.1             1999-02-15 [FBD]
412 BSD/OS 4.0.1            1999-03-xx [BSDI]
413 NetBSD 1.4              1999-05-12 [NBD]
414 FreeBSD 3.2             1999-05-17 [FBD]
415 OpenBSD 2.5             1999-05-19 [OBD]
416 NetBSD 1.4.1            1999-08-26 [NBD] (patch release)
417 FreeBSD 3.3             1999-09-17 [FBD]
418 OpenBSD 2.6             1999-12-01 [OBD]
419 FreeBSD 3.4             1999-12-20 [FBD]
420 BSD/OS 4.1              1999-12-xx [BSDI]
421 FreeBSD 4.0             2000-03-13 [FBD]
422 NetBSD 1.4.2            2000-03-19 [NBD] (patch release)
423 OpenBSD 2.7             2000-06-15 [OBD]
424 FreeBSD 3.5             2000-06-24 [FBD]
425 FreeBSD 4.1             2000-07-27 [FBD]
426 FreeBSD 3.5.1           2000-07-28 [FBD]
427 FreeBSD 4.1.1           2000-09-25 [FBD] (a network-only patch release)
428 FreeBSD 4.2             2000-11-21 [FBD]
429 NetBSD 1.4.3            2000-11-25 [NBD] (patch release)
430 BSD/OS 4.2              2000-11-29 [BSDI]
431 OpenBSD 2.8             2000-12-01 [OBD]
432 NetBSD 1.5              2000-12-06 [NBD]
433 Mac OS X 10.0           2001-03-24 [APL]
434 FreeBSD 4.3             2001-04-20 [FBD]
435 OpenBSD 2.9             2001-06-01 [OBD]
436 NetBSD 1.5.1            2001-07-11 [NBD] (patch release)
437 NetBSD 1.5.2            2001-09-13 [NBD] (patch release)
438 FreeBSD 4.4             2001-09-18 [FBD]
439 Mac OS X 10.1           2001-09-29 [APL]
440 OpenBSD 3.0             2001-12-01 [OBD]
441 FreeBSD 4.5             2002-01-29 [FBD]
442 BSD/OS 4.3              2002-03-14 [WRS]
443 OpenBSD 3.1             2002-05-19 [OBD]
444 FreeBSD 4.6             2002-06-15 [FBD]
445 NetBSD 1.5.3            2002-07-22 [NBD] (patch release)
446 FreeBSD 4.6.2           2002-08-15 [FBD] (patch release)
447 Mac OS X 10.2           2002-08-23 [APL]
448 NetBSD 1.6              2002-09-14 [NBD]
449 FreeBSD 4.7             2002-10-08 [FBD]
450 OpenBSD 3.2             2002-11-01 [OBD]
451 FreeBSD 5.0             2003-01-17 [FBD]
452                                 FreeBSD 5.0 is a separate branch off of
453                                 -current, similar to 3.0.
454 FreeBSD 4.8             2003-04-03 [FBD]
455 NetBSD 1.6.1            2003-04-21 [NBD] (patch release)
456 OpenBSD 3.3             2003-05-01 [OBD]
457 BSD/OS 5.0              2003-05-?? [WRS]
458 FreeBSD 5.1             2003-06-09 [FBD]
459 Mac OS X 10.3           2003-10-24 [APL]
460 FreeBSD 4.9             2003-10-28 [FBD]
461 BSD/OS 5.1 ISE          2003-10-?? [WRS] (final version)
462 OpenBSD 3.4             2003-11-01 [OBD]
463 FreeBSD 5.2             2004-01-12 [FBD]
464 FreeBSD 5.2.1           2004-02-22 [FBD] (patch release)
465 NetBSD 1.6.2            2004-03-01 [NBD] (patch release)
466 OpenBSD 3.5             2004-04-01 [OBD]
467 FreeBSD 4.10            2004-05-27 [FBD]
468 DragonFly 1.0           2004-07-12 [DFB]
469 OpenBSD 3.6             2004-10-29 [OBD]
470 FreeBSD 5.3             2004-11-06 [FBD]
471 NetBSD 2.0              2004-12-09 [NBD]
472 FreeBSD 4.11            2005-01-25 [FBD]
473 DragonFly 1.2.0         2005-04-08 [DFB]
474 NetBSD 2.0.2            2005-04-14 [NBD] (security/critical release)
475 Mac OS X 10.4           2005-04-29 [APL]
476 FreeBSD 5.4             2005-05-09 [FBD]
477 OpenBSD 3.7             2005-05-19 [OBD]
478 NetBSD 2.0.3            2005-10-31 [NBD] (security/critical release)
479 OpenBSD 3.8             2005-11-01 [OBD]
480 FreeBSD 6.0             2005-11-01 [FBD]
481 NetBSD 2.1              2005-11-02 [NBD]
482 NetBSD 3.0              2005-12-23 [NBD]
483 DragonFly 1.4.0         2006-01-08 [DFB]
484 OpenBSD 3.9             2006-05-01 [OBD]
485 FreeBSD 6.1             2006-05-08 [FBD]
486 FreeBSD 5.5             2006-05-25 [FBD]
487 NetBSD 3.0.1            2006-07-24 [NBD] (security/critical release)
488 DragonFly 1.6.0         2006-07-24 [DFB]
489 OpenBSD 4.0             2006-11-01 [OBD]
490 NetBSD 3.0.2            2006-11-04 [NBD] (security/critical release)
491 NetBSD 3.1              2006-11-04 [NBD]
492 FreeBSD 6.2             2007-01-15 [FBD]
493 DragonFly 1.8.0         2007-01-30 [DFB]
494 OpenBSD 4.1             2007-05-01 [OBD]
495 DragonFly 1.10.0        2007-08-06 [DFB]
496 Mac OS X 10.5           2007-10-26 [APL]
497 OpenBSD 4.2             2007-11-01 [OBD]
498 NetBSD 4.0              2007-12-19 [NBD]
499 FreeBSD 6.3             2008-01-18 [FBD]
500 DragonFly 1.12.0        2008-02-26 [DFB]
501 FreeBSD 7.0             2008-02-27 [FBD]
502 OpenBSD 4.3             2008-05-01 [OBD]
503 DragonFly 2.0.0         2008-07-21 [DFB]
504 OpenBSD 4.4             2008-11-01 [OBD]
505 FreeBSD 6.4             2008-11-28 [FBD]
506 FreeBSD 7.1             2009-01-04 [FBD]
507 DragonFly 2.2.0         2009-02-17 [DFB]
508 NetBSD 5.0              2009-04-29 [NBD]
509 OpenBSD 4.5             2009-05-01 [OBD]
510 FreeBSD 7.2             2009-05-04 [FBD]
511 DragonFly 2.4.0         2009-09-16 [DFB]
512 OpenBSD 4.6             2009-10-18 [OBD]
513 FreeBSD 8.0             2009-11-26 [FBD]
514
515 Bibliography
516 ------------------------
517
518 Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
519 Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating
520 System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
521
522 Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
523 Company, Inc., 1994. ISBN 0-201-54777-5
524
525 McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
526 Quarterman. The Design and Implementation of the 4.4BSD Operating
527 System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
528
529 McKusick, Marshall Kirk, George Neville-Neil. The Design and
530 Implementation of the FreeBSD Operating System.
531 Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2
532
533 Doug McIlroy. Research Unix Reader.
534
535 Michael G. Brown. The Role of BSD in the Development of Unix.
536 Presented to the Tasmanian Unix Special Interest Group of the
537 Australian Computer Society, Hobart, August 1993.
538
539 Peter H. Salus. Unix at 25. Byte Magazine, October 1994.
540 URL: http://www.byte.com/art/9410/sec8/art3.htm
541
542 Andreas Klemm, Lars Köller. If you're going to San Francisco ...
543 Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
544
545 BSD Release Announcements collection.
546 URL: http://www.FreeBSD.org/releases/
547
548 BSD Hypertext Man Pages
549 URL: http://www.FreeBSD.org/cgi/man.cgi
550
551 UNIX history graphing project
552 URL: http://minnie.tuhs.org/Unix_History/index.html
553
554 UNIX history
555 URL: http://www.levenez.com/unix/
556
557 James Howard: The BSD Family Tree
558 URL: http://ezine.daemonnews.org/200104/bsd_family.html
559 ("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
560
561
562 Acknowledgments
563 ---------------
564
565 Josh Gilliam for suggestions, bug fixes, and finding very old
566 original BSD announcements from Usenet or tapes.
567
568 Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
569
570 --
571 Copyright (c) 1997-2007 Wolfram Schneider <wosch@FreeBSD.ORG>
572 URL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree
573
574 $FreeBSD: src/share/misc/bsd-family-tree,v 1.135 2009/12/31 19:36:51 maxim Exp $