bsd-family-tree revision 1.40.12.2.2.2 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 | | | | | NetBSD 4.0.1 | 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 | | Mac OS X | | \ | |
233 | | 10.6 | | \ | |
234 | | | | | NetBSD | DragonFly 2.4.0
235 | | | | | 5.0.1 OpenBSD 4.6 |
236 | | | | | | | |
237 *--FreeBSD | | | | | | |
238 | 8.0 | | | | | | |
239 | | FreeBSD | | | NetBSD | |
240 | | 7.3 | | | 5.0.2 | DragonFly 2.6.0
241 | | | | | | OpenBSD 4.7 |
242 | FreeBSD | | | | | |
243 | 8.1 | | | | | |
244 | | | | | | | DragonFly 2.8.2
245 | | | | | \ OpenBSD 4.8 |
246 | | | | | NetBSD | |
247 | FreeBSD FreeBSD | | 5.1 | |
248 | 8.2 7.4 | | | | DragonFly 2.10.1
249 | | | | | OpenBSD 4.9 |
250 | `-----. Mac OS X | | | |
251 | \ 10.7 | | | |
252 | | | | | OpenBSD 5.0 |
253 *--FreeBSD | | | | | |
254 | 9.0 | | | NetBSD 5.1.2 | DragonFly 3.0.1
255 | v FreeBSD | | | |
256 | 8.3 | | OpenBSD 5.1 |
257 | Mac OS X | | |
258 | 10.8 | | |
259 | | NetBSD 6.0 | |
260 | | | | |
261 FreeBSD 10 -current | NetBSD -current OpenBSD -current |
262 | | | | |
263 v v v v v
264
265 Time
266 ----------------
267
268 Time tolerance +/- 6 months, depending on which book/article you read; if it
269 was the announcement in Usenet or if it was available as tape.
270
271 [44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
272 and John Quarterman. The Design and Implementation of
273 the 4.4BSD Operating System.
274 [APL] Apple website [http://www.apple.com/macosx/]
275 [BSDI] Berkeley Software Design, Inc.
276 [DFB] DragonFlyBSD Project, The.
277 [DOC] README, COPYRIGHT on tape.
278 [FBD] FreeBSD Project, The.
279 [KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
280 Volume 11, Info 4, April, 1987.
281 [KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
282 comp.bugs.4bsd.ucb-fixes, June 15, 1988.
283 [KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
284 Changes in the Kernel in 2.9BSD. Second Berkeley Software
285 Distribution UNIX Version 2.9, July, 1983.
286 [NBD] NetBSD Project, The.
287 [OBD] OpenBSD Project, The.
288 [QCU] Salus, Peter H. A quarter century of UNIX.
289 [SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
290 [TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/.
291 [USE] Usenet announcement.
292 [WRS] Wind River Systems, Inc.
293 [dmr] Dennis Ritchie, via E-Mail
294
295 Multics 1965
296 UNIX Summer 1969
297 DEC PDP-7
298 First Edition 1971-11-03 [QCU]
299 DEC PDP-11/20, Assembler
300 Second Edition 1972-06-12 [QCU]
301 10 UNIX installations
302 Third Edition 1973-02-xx [QCU]
303 Pipes, 16 installations
304 Fourth Edition 1973-11-xx [QCU]
305 rewriting in C effected,
306 above 30 installations
307 Fifth Edition 1974-06-xx [QCU]
308 above 50 installations
309 Sixth Edition 1975-05-xx [QCU]
310 port to DEC Vax
311 Seventh Edition 1979-01-xx [QCU]
312 first portable UNIX
313 Eighth Edition 1985-02-xx [QCU]
314 VAX 11/750, VAX 11/780 [dmr]
315 descended from 4.1c BSD [dmr]
316 descended from 4.1 BSD [44B]
317 scooping-out and replacement of the character-device
318 and networking part by the streams mechanism
319
320 Ninth Edition 1986-09-xx [QCU]
321 Tenth Edition 1989-10-xx [QCU]
322
323 1BSD late 1977
324 1978-03-09 [QCU]
325 PDP-11, Pascal, ex(1)
326 30 free copies of 1BSD sent out
327 35 tapes sold for 50 USD [QCU]
328 2BSD mid 1978 [QCU] 1979-05-10 [TUHS]
329 75 2BSD tapes shipped
330 2.79BSD 1980-04-xx [TUHS]
331 2.8BSD 1981-07-xx [KSJ]
332
333 2.8.1BSD 1982-01-xx [QCU]
334 set of performance improvements
335 2.9BSD 1983-07-xx [KSJ]
336 2.9.1BSD 1983-11-xx [TUHS]
337 2.9BSD-Seismo 1985-08-xx [SMS]
338 2.10BSD 1987-04-xx [KKK]
339 2.10.1BSD 1989-01-xx [SMS]
340 2.11BSD 1992-02-xx [SMS]
341 2.11BSD rev #430 1999-12-13 [SMS]
342
343 32V 1978-1[01]-xx [QCU]
344 3BSD late 1979 [QCU] March 1980 [TUHS]
345 virtual memory, page replacement,
346 demand paging
347 4.0BSD 1980-10-xx
348 4.1BSD 1981-07-08 [DOC]
349 4.1aBSD 1982-04-xx
350 alpha release, 100 sites, networking [44B]
351 4.1bBSD internal release, fast filesystem [44B]
352 4.1cBSD late 1982
353 beta release, IPC [44B]
354 4.2BSD 1983-09-xx [QCU]
355 1983-08-03 [DOC]
356 4.3BSD 1986-06-xx [QCU]
357 1986-04-05 [KB], [DOC]
358 4.3BSD Tahoe 1988-06-15 [QCU], [DOC]
359 4.3BSD NET/1 1988-11-xx [QCU]
360 1989-01-01 [DOC]
361 4.3BSD Reno 1990-06-29 [QCU], [DOC]
362 4.3BSD NET/2 1991-06-28 [QCU], [DOC]
363
364 BSD/386 ALPHA 1991-12-xx [BSDI]
365 first code released to people outside BSDI
366 386BSD 0.0 1992-02-xx [DOC]
367 BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers
368 BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version
369 386BSD 0.1 1992-07-28 [DOC]
370 4.4BSD Alpha 1992-07-07
371 BSD/386 0.9.3 1992-10-xx [BSDI]
372 first external gamma; G customers
373 BSD/386 0.9.4 1992-12-xx [BSDI]
374 would have been 1.0 except for request
375 for preliminary injunction
376 BSD/386 1.0 1993-03-xx [BSDI]
377 injunction denied; first official release
378 NetBSD 0.8 1993-04-20 [NBD]
379 4.4BSD 1993-06-01 [USE]
380 NetBSD 0.9 1993-08-23 [NBD]
381 FreeBSD 1.0 1993-11-01 [FBD]
382 FreeBSD 1.0.2 1993-11-14 [FBD]
383 supersedes 1.0 13 days after release.
384 BSD/386 1.1 1994-02-xx [BSDI]
385 4.4BSD Lite 1994-03-01 [USE]
386 FreeBSD 1.1 1994-05-07 [FBD]
387 FreeBSD 1.1.5 1994-06-30 [FBD]
388 FreeBSD 1.1.5.1 1994-07-05 [FBD]
389 supersedes 1.1.5 5 days after release.
390 NetBSD 1.0 1994-10-26 [NBD]
391 386BSD 1.0 1994-11-12 [USE]
392 FreeBSD 2.0 1994-11-23 [FBD]
393 BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based
394 FreeBSD 2.0.5 1995-06-10 [FBD]
395 BSD/OS 2.0.1 1995-06-xx [BSDI]
396 4.4BSD Lite Release 2 1995-06-xx [44B]
397 the true final distribution from the CSRG
398 FreeBSD 2.1.0 1995-11-19 [FBD]
399 NetBSD 1.1 1995-11-26 [NBD]
400 BSD/OS 2.1 1996-01-xx [BSDI]
401 FreeBSD 2.1.5 1996-07-14 [FBD]
402 NetBSD 1.2 1996-10-04 [NBD]
403 OpenBSD 2.0 1996-10-18 [OBD]
404 FreeBSD 2.1.6 1996-11-16 [FBD]
405 FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release)
406 Rhapsody 1997-xx-xx
407 FreeBSD 2.1.7 1997-02-20 [FBD]
408 BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based
409 FreeBSD 2.2.0 1997-03-16 [FBD]
410 FreeBSD 2.2.1 1997-03-25 [FBD]
411 FreeBSD 2.2.2 1997-05-16 [FBD]
412 NetBSD 1.2.1 1997-05-20 [NBD] (patch release)
413 OpenBSD 2.1 1997-06-01 [OBD]
414 FreeBSD 2.2.5 1997-10-22 [FBD]
415 OpenBSD 2.2 1997-12-01 [OBD]
416 NetBSD 1.3 1998-01-04 [NBD]
417 FreeBSD 2.2.6 1998-03-25 [FBD]
418 NetBSD 1.3.1 1998-03-09 [NBD] (patch release)
419 BSD/OS 3.1 1998-03-xx [BSDI]
420 OpenBSD 2.3 1998-05-19 [OBD]
421 NetBSD 1.3.2 1998-05-29 [NBD] (patch release)
422 FreeBSD 2.2.7 1998-07-22 [FBD]
423 BSD/OS 4.0 1998-08-xx [BSDI]
424 2-lock MP support, ELF executables
425 FreeBSD 3.0 1998-10-16 [FBD]
426 FreeBSD-3.0 is a snapshot from -current,
427 while 3.1 and 3.2 are from 3.x-stable which
428 was branched quite some time after 3.0-release
429 FreeBSD 2.2.8 1998-11-29 [FBD]
430 OpenBSD 2.4 1998-12-01 [OBD]
431 NetBSD 1.3.3 1998-12-23 [NBD] (patch release)
432 FreeBSD 3.1 1999-02-15 [FBD]
433 BSD/OS 4.0.1 1999-03-xx [BSDI]
434 NetBSD 1.4 1999-05-12 [NBD]
435 FreeBSD 3.2 1999-05-17 [FBD]
436 OpenBSD 2.5 1999-05-19 [OBD]
437 NetBSD 1.4.1 1999-08-26 [NBD] (patch release)
438 FreeBSD 3.3 1999-09-17 [FBD]
439 OpenBSD 2.6 1999-12-01 [OBD]
440 FreeBSD 3.4 1999-12-20 [FBD]
441 BSD/OS 4.1 1999-12-xx [BSDI]
442 FreeBSD 4.0 2000-03-13 [FBD]
443 NetBSD 1.4.2 2000-03-19 [NBD] (patch release)
444 OpenBSD 2.7 2000-06-15 [OBD]
445 FreeBSD 3.5 2000-06-24 [FBD]
446 FreeBSD 4.1 2000-07-27 [FBD]
447 FreeBSD 3.5.1 2000-07-28 [FBD]
448 FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release)
449 FreeBSD 4.2 2000-11-21 [FBD]
450 NetBSD 1.4.3 2000-11-25 [NBD] (patch release)
451 BSD/OS 4.2 2000-11-29 [BSDI]
452 OpenBSD 2.8 2000-12-01 [OBD]
453 NetBSD 1.5 2000-12-06 [NBD]
454 Mac OS X 10.0 2001-03-24 [APL]
455 FreeBSD 4.3 2001-04-20 [FBD]
456 OpenBSD 2.9 2001-06-01 [OBD]
457 NetBSD 1.5.1 2001-07-11 [NBD] (patch release)
458 NetBSD 1.5.2 2001-09-13 [NBD] (patch release)
459 FreeBSD 4.4 2001-09-18 [FBD]
460 Mac OS X 10.1 2001-09-29 [APL]
461 OpenBSD 3.0 2001-12-01 [OBD]
462 FreeBSD 4.5 2002-01-29 [FBD]
463 BSD/OS 4.3 2002-03-14 [WRS]
464 OpenBSD 3.1 2002-05-19 [OBD]
465 FreeBSD 4.6 2002-06-15 [FBD]
466 NetBSD 1.5.3 2002-07-22 [NBD] (patch release)
467 FreeBSD 4.6.2 2002-08-15 [FBD] (patch release)
468 Mac OS X 10.2 2002-08-23 [APL]
469 NetBSD 1.6 2002-09-14 [NBD]
470 FreeBSD 4.7 2002-10-08 [FBD]
471 OpenBSD 3.2 2002-11-01 [OBD]
472 FreeBSD 5.0 2003-01-17 [FBD]
473 FreeBSD 5.0 is a separate branch off of
474 -current, similar to 3.0.
475 FreeBSD 4.8 2003-04-03 [FBD]
476 NetBSD 1.6.1 2003-04-21 [NBD] (patch release)
477 OpenBSD 3.3 2003-05-01 [OBD]
478 BSD/OS 5.0 2003-05-?? [WRS]
479 FreeBSD 5.1 2003-06-09 [FBD]
480 Mac OS X 10.3 2003-10-24 [APL]
481 FreeBSD 4.9 2003-10-28 [FBD]
482 BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version)
483 OpenBSD 3.4 2003-11-01 [OBD]
484 FreeBSD 5.2 2004-01-12 [FBD]
485 FreeBSD 5.2.1 2004-02-22 [FBD] (patch release)
486 NetBSD 1.6.2 2004-03-01 [NBD] (patch release)
487 OpenBSD 3.5 2004-04-01 [OBD]
488 FreeBSD 4.10 2004-05-27 [FBD]
489 DragonFly 1.0 2004-07-12 [DFB]
490 OpenBSD 3.6 2004-10-29 [OBD]
491 FreeBSD 5.3 2004-11-06 [FBD]
492 NetBSD 2.0 2004-12-09 [NBD]
493 FreeBSD 4.11 2005-01-25 [FBD]
494 DragonFly 1.2.0 2005-04-08 [DFB]
495 NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release)
496 Mac OS X 10.4 2005-04-29 [APL]
497 FreeBSD 5.4 2005-05-09 [FBD]
498 OpenBSD 3.7 2005-05-19 [OBD]
499 NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release)
500 OpenBSD 3.8 2005-11-01 [OBD]
501 FreeBSD 6.0 2005-11-01 [FBD]
502 NetBSD 2.1 2005-11-02 [NBD]
503 NetBSD 3.0 2005-12-23 [NBD]
504 DragonFly 1.4.0 2006-01-08 [DFB]
505 OpenBSD 3.9 2006-05-01 [OBD]
506 FreeBSD 6.1 2006-05-08 [FBD]
507 FreeBSD 5.5 2006-05-25 [FBD]
508 NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release)
509 DragonFly 1.6.0 2006-07-24 [DFB]
510 OpenBSD 4.0 2006-11-01 [OBD]
511 NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release)
512 NetBSD 3.1 2006-11-04 [NBD]
513 FreeBSD 6.2 2007-01-15 [FBD]
514 DragonFly 1.8.0 2007-01-30 [DFB]
515 OpenBSD 4.1 2007-05-01 [OBD]
516 DragonFly 1.10.0 2007-08-06 [DFB]
517 Mac OS X 10.5 2007-10-26 [APL]
518 OpenBSD 4.2 2007-11-01 [OBD]
519 NetBSD 4.0 2007-12-19 [NBD]
520 FreeBSD 6.3 2008-01-18 [FBD]
521 DragonFly 1.12.0 2008-02-26 [DFB]
522 FreeBSD 7.0 2008-02-27 [FBD]
523 OpenBSD 4.3 2008-05-01 [OBD]
524 DragonFly 2.0.0 2008-07-21 [DFB]
525 OpenBSD 4.4 2008-11-01 [OBD]
526 FreeBSD 6.4 2008-11-28 [FBD]
527 FreeBSD 7.1 2009-01-04 [FBD]
528 DragonFly 2.2.0 2009-02-17 [DFB]
529 NetBSD 5.0 2009-04-29 [NBD]
530 OpenBSD 4.5 2009-05-01 [OBD]
531 FreeBSD 7.2 2009-05-04 [FBD]
532 Mac OS X 10.6 2009-06-08 [APL]
533 NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release)
534 DragonFly 2.4.0 2009-09-16 [DFB]
535 OpenBSD 4.6 2009-10-18 [OBD]
536 FreeBSD 8.0 2009-11-26 [FBD]
537 NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release)
538 FreeBSD 7.3 2010-03-23 [FBD]
539 DragonFly 2.6.0 2010-03-28 [DFB]
540 OpenBSD 4.7 2010-05-19 [OBD]
541 FreeBSD 8.1 2010-07-24 [FBD]
542 DragonFly 2.8.2 2010-10-30 [DFB]
543 OpenBSD 4.8 2010-11-01 [OBD]
544 NetBSD 5.1 2010-11-19 [NBD]
545 FreeBSD 7.4 2011-02-24 [FBD]
546 FreeBSD 8.2 2011-02-24 [FBD]
547 DragonFly 2.10.1 2011-04-26 [DFB]
548 OpenBSD 4.9 2011-05-01 [OBD]
549 Mac OS X 10.7 2011-07-20 [APL]
550 OpenBSD 5.0 2011-11-01 [OBD]
551 FreeBSD 9.0 2012-01-12 [FBD]
552 NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release)
553 DragonFly 3.0.1 2012-02-21 [DFB]
554 FreeBSD 8.3 2012-04-18 [FBD]
555 OpenBSD 5.1 2012-05-01 [OBD]
556 Mac OS X 10.8 2012-07-25 [APL]
557 NetBSD 6.0 2012-10-17 [NBD]
558
559 Bibliography
560 ------------------------
561
562 Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
563 Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating
564 System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
565
566 Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
567 Company, Inc., 1994. ISBN 0-201-54777-5
568
569 McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
570 Quarterman. The Design and Implementation of the 4.4BSD Operating
571 System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
572
573 McKusick, Marshall Kirk, George Neville-Neil. The Design and
574 Implementation of the FreeBSD Operating System.
575 Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2
576
577 Doug McIlroy. Research Unix Reader.
578
579 Michael G. Brown. The Role of BSD in the Development of Unix.
580 Presented to the Tasmanian Unix Special Interest Group of the
581 Australian Computer Society, Hobart, August 1993.
582
583 Peter H. Salus. Unix at 25. Byte Magazine, October 1994.
584 URL: http://www.byte.com/art/9410/sec8/art3.htm
585
586 Andreas Klemm, Lars Kller. If you're going to San Francisco ...
587 Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
588
589 BSD Release Announcements collection.
590 URL: http://www.FreeBSD.org/releases/
591
592 BSD Hypertext Man Pages
593 URL: http://www.FreeBSD.org/cgi/man.cgi
594
595 UNIX history graphing project
596 URL: http://minnie.tuhs.org/Unix_History/index.html
597
598 UNIX history
599 URL: http://www.levenez.com/unix/
600
601 James Howard: The BSD Family Tree
602 URL: http://ezine.daemonnews.org/200104/bsd_family.html
603 ("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
604
605
606 Acknowledgments
607 ---------------
608
609 Josh Gilliam for suggestions, bug fixes, and finding very old
610 original BSD announcements from Usenet or tapes.
611
612 Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
613
614 --
615 Copyright (c) 1997-2012 Wolfram Schneider <wosch (a] FreeBSD.ORG>
616 URL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree
617
618 $FreeBSD$
619