| blob | 24162b6a32fa9e730a7f7dd2dd94e5264c52cdc7 |
1 The UNIX system family tree: Research and BSD
2 ---------------------------------------------
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 | FreeBSD 2.2.8 | | | | | |
114 | | | | | | | |
115 | v | | | | OpenBSD 2.4 |
116 | FreeBSD 2.2.9 | | | | | |
117 | | | | | | |
118 FreeBSD 3.0 <--------* | | v | |
119 | | | NetBSD 1.3.3 | |
120 *---FreeBSD 3.1 | | | |
121 | | | | | BSD/OS 4.0.1
122 | FreeBSD 3.2----* | NetBSD 1.4 OpenBSD 2.5 |
123 | | | | | | | | |
124 | | | | | | | | |
125 | | | | | | | | |
126 | FreeBSD 3.3 | | | | NetBSD 1.4.1 | |
127 | | | | | | | OpenBSD 2.6 |
128 | FreeBSD 3.4 | | | | | | |
129 | | | | | | | | BSD/OS 4.1
130 FreeBSD 4.0 | | | | | NetBSD 1.4.2 | |
131 | | | | | | | | |
132 | | | | | | | | |
133 | FreeBSD 3.5 | | | | | OpenBSD 2.7 |
134 | | | | | | | | |
135 | FreeBSD 3.5.1 | | | | | | |
136 | | | | | | | |
137 *---FreeBSD 4.1 | | | | | | |
138 | | | | (?) | | | |
139 | FreeBSD 4.1.1 | | / | | | |
140 | | | | / | | | |
141 | FreeBSD 4.2 Darwin/ | NetBSD 1.4.3 | |
142 | | Mac OS X | OpenBSD 2.8 BSD/OS 4.2
143 | | | | | |
144 | | | | | |
145 | | 10.0 NetBSD 1.5 | |
146 | FreeBSD 4.3 | | | | |
147 | | | | | OpenBSD 2.9 |
148 | | | | NetBSD 1.5.1 | |
149 | | | | | | |
150 | FreeBSD 4.4-. | | NetBSD 1.5.2 | |
151 | | | Mac OS X | | | |
152 | | | 10.1 | | OpenBSD 3.0 |
153 | FreeBSD 4.5 | | | | | |
154 | | \ | | | | BSD/OS 4.3
155 | FreeBSD 4.6 \ | | | OpenBSD 3.1 |
156 | | \ | | NetBSD 1.5.3 | |
157 | FreeBSD 4.6.2 Mac OS X | | |
158 | | 10.2 | | |
159 | FreeBSD 4.7 | | | |
160 | | | NetBSD 1.6 OpenBSD 3.2 |
161 | FreeBSD 4.8 | | | | |
162 | | | | NetBSD 1.6.1 | |
163 | |--------. | | | OpenBSD 3.3 BSD/OS 5.0
164 | | \ | | | | |
165 | FreeBSD 4.9 | | | | OpenBSD 3.4 BSD/OS 5.1 ISE
166 | | | | | | |
167 | | | | | NetBSD 1.6.2 |
168 | | | | | | |
169 | | | | | | OpenBSD 3.5
170 | | | | | v |
171 | FreeBSD 4.10 | | | |
172 | | | | | |
173 | FreeBSD 4.11 | | | |
174 | | | | |
175 | `-|------|-----------------|---------------------.
176 | | | | \
177 FreeBSD 5.0 | | | |
178 | | | | |
179 FreeBSD 5.1 | | | DragonFly 1.0
180 | \ | | | |
181 | ----- Mac OS X | | |
182 | 10.3 | | |
183 FreeBSD 5.2 | | | |
184 | | | | | |
185 | FreeBSD 5.2.1 | | | |
186 | | | | |
187 *-------FreeBSD 5.3 | | | |
188 | | | | OpenBSD 3.6 |
189 | | | NetBSD 2.0 | |
190 | | | | | | | DragonFly 1.2.0
191 | | Mac OS X | | NetBSD 2.0.2 | |
192 | | 10.4 | | | | |
193 | FreeBSD 5.4 | | | | | |
194 | | | | | | OpenBSD 3.7 |
195 | | | | | NetBSD 2.0.3 | |
196 | | | | | | | |
197 *--FreeBSD | | | | v OpenBSD 3.8 |
198 | 6.0 | | | | | |
199 | | | | | \ | |
200 | | | | | NetBSD 2.1 | |
201 | | | | | | |
202 | | | | NetBSD 3.0 | |
203 | | | | | | | | DragonFly 1.4.0
204 | | | | | | | OpenBSD 3.9 |
205 | FreeBSD | | | | | | |
206 | 6.1 | | | | | | |
207 | | FreeBSD 5.5 | | | | | |
208 | | | | | NetBSD 3.0.1 | DragonFly 1.6.0
209 | | | | | | | |
210 | | | | | | OpenBSD 4.0 |
211 | | | | | NetBSD 3.0.2 | |
212 | | | | NetBSD 3.1 | |
213 | FreeBSD 6.2 | | | |
214 | | | | | DragonFly 1.8.0
215 | | | | OpenBSD 4.1 |
216 | | | | | DragonFly 1.10.0
217 | | Mac OS X | | |
218 | | 10.5 | | |
219 | | | | OpenBSD 4.2 |
220 | | | NetBSD 4.0 | |
221 | FreeBSD 6.3 | | | | |
222 | \ | | | | |
223 *--FreeBSD | | | | | DragonFly 1.12.0
224 | 7.0 | | | | | |
225 | | | | | | OpenBSD 4.3 |
226 | | | | | NetBSD | DragonFly 2.0.0
227 | | FreeBSD | | 4.0.1 OpenBSD 4.4 |
228 | | 6.4 | | | |
229 | | | | | |
230 | FreeBSD 7.1 | | | |
231 | | | | | DragonFly 2.2.0
232 | FreeBSD 7.2 | NetBSD 5.0 OpenBSD 4.5 |
233 | \ | | | \ | |
234 | | Mac OS X | | \ | |
235 | | 10.6 | | \ | |
236 | | | | | NetBSD | DragonFly 2.4.0
237 | | | | | 5.0.1 OpenBSD 4.6 |
238 | | | | | | | |
239 *--FreeBSD | | | | | | |
240 | 8.0 | | | | | | |
241 | | FreeBSD | | | NetBSD | |
242 | | 7.3 | | | 5.0.2 | DragonFly 2.6.0
243 | | | | | | OpenBSD 4.7 |
244 | FreeBSD | | | | | |
245 | 8.1 | | | | | |
246 | | | | | | | DragonFly 2.8.2
247 | | | | | | OpenBSD 4.8 |
248 | | | | | *--NetBSD | |
249 | FreeBSD FreeBSD | | | 5.1 | |
250 | 8.2 7.4 | | | | | DragonFly 2.10.1
251 | | | | | | OpenBSD 4.9 |
252 | `-----. Mac OS X | | | | |
253 | \ 10.7 | | | | |
254 | | | | | | OpenBSD 5.0 |
255 *--FreeBSD | | | | | | |
256 | 9.0 | | | | NetBSD | DragonFly 3.0.1
257 | | FreeBSD | | | 5.1.2 | |
258 | | 8.3 | | | | | |
259 | | | | | | NetBSD | |
260 | | | | | | 5.1.3 | |
261 | | | | | | | | |
262 | | | | | | NetBSD | |
263 | | | | | | 5.1.4 | |
264 | | | | | | OpenBSD 5.1 |
265 | | | Mac OS X | `----. | |
266 | | | 10.8 | \ | |
267 | | | | NetBSD 6.0 | | |
268 | | | | | | | | OpenBSD 5.2 DragonFly 3.2.1
269 | FreeBSD | | | | | NetBSD | |
270 | 9.1 | | | | | 5.2 | |
271 | | | | | | | | | |
272 | | | | | | | NetBSD | |
273 | | | | | | | 5.2.1 | |
274 | | | | | | | | | |
275 | | | | | | | NetBSD | |
276 | | | | | | | 5.2.2 | |
277 | | | | | | | | |
278 | | | | | | \ | |
279 | | | | | | NetBSD | |
280 | | | | | | 6.0.1 | |
281 | | | | | | | OpenBSD 5.3 DragonFly 3.4.1
282 | | | | | | NetBSD | |
283 | | | | | | 6.0.2 | |
284 | | | | | | | | |
285 | | | | | | NetBSD | |
286 | | | | | | 6.0.3 | |
287 | | | | | | | | |
288 | | | | | | NetBSD | |
289 | | | | | | 6.0.4 | |
290 | | | | | | | | |
291 | | | | | | NetBSD | |
292 | | | | | | 6.0.5 | |
293 | | | | | | | | |
294 | | | | | | NetBSD | |
295 | | | | | | 6.0.6 | |
296 | | | | | | | |
297 | | | | | |`-NetBSD 6.1 | |
298 | | FreeBSD | | | | |
299 | | 8.4 | | NetBSD 6.1.1 | |
300 | | | | | | |
301 | FreeBSD | | NetBSD 6.1.2 | |
302 | 9.2 Mac OS X | | | |
303 | | 10.9 | | OpenBSD 5.4 |
304 | `-----. | | | | DragonFly 3.6.0
305 | \ | | | | |
306 *--FreeBSD | | | NetBSD 6.1.3 | |
307 | 10.0 | | | | | |
308 | | | | | | | DragonFly 3.6.1
309 | | | | | | | |
310 | | | | | | | |
311 | | | | | | | DragonFly 3.6.2
312 | | | | | NetBSD 6.1.4 | |
313 | | | | | | | |
314 | | | | | | OpenBSD 5.5 |
315 | | | | | | | |
316 | | | | | | | DragonFly 3.8.0
317 | | | | | | | |
318 | | | | | | | |
319 | | | | | | | DragonFly 3.8.1
320 | | | | | | | |
321 | | | | | | | |
322 | | | | | | | DragonFly 3.6.3
323 | | | | | | | |
324 | | FreeBSD | | | | |
325 | | 9.3 | | | | |
326 | | | | NetBSD 6.1.5 | DragonFly 3.8.2
327 | | Mac OS X | | |
328 | | 10.10 | | |
329 | | | | OpenBSD 5.6 |
330 | FreeBSD | | | |
331 | 10.1 | | | DragonFly 4.0.1
332 | | | | | |
333 | | | | | DragonFly 4.0.2
334 | | | | | |
335 | | | | | DragonFly 4.0.3
336 | | | | | |
337 | | | | | DragonFly 4.0.4
338 | | | | | |
339 | | | | | DragonFly 4.0.5
340 | | | | | |
341 | | | | OpenBSD 5.7 |
342 | | | | | DragonFly 4.2.0
343 | FreeBSD | | | |
344 | 10.2 | | | |
345 | | macOS NetBSD 7.0 | |
346 | | 10.11 | | | OpenBSD 5.8 |
347 | | | | | `--. | DragonFly 4.4.1
348 | FreeBSD | | | | OpenBSD 5.9 |
349 | 10.3 | | | | | |
350 | | | | | NetBSD 7.0.1 | |
351 | `------. | | | | | DragonFly 4.6.0
352 | | | | | | | |
353 | | | | | | | |
354 *--FreeBSD | macOS | | | OpenBSD 6.0 |
355 | 11.0 | 10.12 | | NetBSD 7.0.2 | |
356 | | | | | | | |
357 | | | | | *- NetBSD 7.1 | |
358 | | | | | | | |
359 | | | | | | | |
360 | | | macOS | | | DragonFly 4.8.0
361 | | | 10.13 | | OpenBSD 6.1 |
362 | FreeBSD | | | | | DragonFly 5.0.0
363 | 11.1 FreeBSD | | | | |
364 | | 10.4 | | | OpenBSD 6.2 DragonFly 5.0.1
365 | | | | | | |
366 | | | | NetBSD 7.1.1 | DragonFly 5.0.2
367 | | | | | | |
368 | | | | v | |
369 | v | | | |
370 | | | | |
371 FreeBSD 12 -current | NetBSD -current OpenBSD -current DragonFly -current
372 | | | | |
373 v v v v v
375 Time
376 ----------------
378 Time tolerance +/- 6 months, depending on which book/article you read; if it
379 was the announcement in Usenet or if it was available as tape.
381 [44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
382 and John Quarterman. The Design and Implementation of
383 the 4.4BSD Operating System.
384 [APL] Apple website [https://www.apple.com/macosx/]
385 [BSDI] Berkeley Software Design, Inc.
386 [DFB] DragonFlyBSD Project, The.
387 [DOC] README, COPYRIGHT on tape.
388 [FBD] FreeBSD Project, The.
389 [KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
390 Volume 11, Info 4, April, 1987.
391 [KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
392 comp.bugs.4bsd.ucb-fixes, June 15, 1988.
393 [KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
394 Changes in the Kernel in 2.9BSD. Second Berkeley Software
395 Distribution UNIX Version 2.9, July, 1983.
396 [NBD] NetBSD Project, The.
397 [OBD] OpenBSD Project, The.
398 [QCU] Salus, Peter H. A quarter century of UNIX.
399 [SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
400 [TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/.
401 [USE] Usenet announcement.
402 [WRS] Wind River Systems, Inc.
403 [dmr] Dennis Ritchie, via E-Mail
405 Multics 1965
406 UNIX Summer 1969
407 DEC PDP-7
408 First Edition 1971-11-03 [QCU]
409 DEC PDP-11/20, Assembler
410 Second Edition 1972-06-12 [QCU]
411 10 UNIX installations
412 Third Edition 1973-02-xx [QCU]
413 Pipes, 16 installations
414 Fourth Edition 1973-11-xx [QCU]
415 rewriting in C effected,
416 above 30 installations
417 Fifth Edition 1974-06-xx [QCU]
418 above 50 installations
419 Sixth Edition 1975-05-xx [QCU]
420 port to DEC Vax
421 Seventh Edition 1979-01-xx [QCU] 1979-01-10 [TUHS]
422 first portable UNIX
423 Eighth Edition 1985-02-xx [QCU]
424 VAX 11/750, VAX 11/780 [dmr]
425 descended from 4.1c BSD [dmr]
426 descended from 4.1 BSD [44B]
427 scooping-out and replacement of the character-device
428 and networking part by the streams mechanism
430 Ninth Edition 1986-09-xx [QCU]
431 Tenth Edition 1989-10-xx [QCU]
433 1BSD late 1977
434 1978-03-09 [QCU]
435 PDP-11, Pascal, ex(1)
436 30 free copies of 1BSD sent out
437 35 tapes sold for 50 USD [QCU]
438 2BSD mid 1978 [QCU] 1979-05-10 [TUHS]
439 75 2BSD tapes shipped
440 2.79BSD 1980-04-xx [TUHS]
441 2.8BSD 1981-07-xx [KSJ]
443 2.8.1BSD 1982-01-xx [QCU]
444 set of performance improvements
445 2.9BSD 1983-07-xx [KSJ]
446 2.9.1BSD 1983-11-xx [TUHS]
447 2.9BSD-Seismo 1985-08-xx [SMS]
448 2.10BSD 1987-04-xx [KKK]
449 2.10.1BSD 1989-01-xx [SMS]
450 2.11BSD 1992-02-xx [SMS]
451 2.11BSD rev #430 1999-12-13 [SMS]
453 32V 1978-1[01]-xx [QCU] 1979-03-26 [TUHS]
454 3BSD late 1979 [QCU] March 1980 [TUHS]
455 virtual memory, page replacement,
456 demand paging
457 4.0BSD 1980-10-xx
458 4.1BSD 1981-07-08 [DOC]
459 4.1aBSD 1982-04-xx
460 alpha release, 100 sites, networking [44B]
461 4.1bBSD internal release, fast filesystem [44B]
462 4.1cBSD late 1982
463 beta release, IPC [44B]
464 4.2BSD 1983-09-xx [QCU]
465 1983-08-03 [DOC]
466 4.3BSD 1986-06-xx [QCU]
467 1986-04-05 [KB], [DOC]
468 4.3BSD Tahoe 1988-06-15 [QCU], [DOC]
469 4.3BSD NET/1 1988-11-xx [QCU]
470 1989-01-01 [DOC]
471 4.3BSD Reno 1990-06-29 [QCU], [DOC]
472 4.3BSD NET/2 1991-06-28 [QCU], [DOC]
474 BSD/386 ALPHA 1991-12-xx [BSDI]
475 first code released to people outside BSDI
476 386BSD 0.0 1992-02-xx [DOC]
477 BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers
478 BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version
479 386BSD 0.1 1992-07-28 [DOC]
480 4.4BSD Alpha 1992-07-07
481 BSD/386 0.9.3 1992-10-xx [BSDI]
482 first external gamma; G customers
483 BSD/386 0.9.4 1992-12-xx [BSDI]
484 would have been 1.0 except for request
485 for preliminary injunction
486 BSD/386 1.0 1993-03-xx [BSDI]
487 injunction denied; first official release
488 NetBSD 0.8 1993-04-20 [NBD]
489 4.4BSD 1993-06-01 [USE]
490 NetBSD 0.9 1993-08-23 [NBD]
491 FreeBSD 1.0 1993-11-01 [FBD]
492 FreeBSD 1.0.2 1993-11-14 [FBD]
493 supersedes 1.0 13 days after release.
494 BSD/386 1.1 1994-02-xx [BSDI]
495 4.4BSD Lite 1994-03-01 [USE]
496 FreeBSD 1.1 1994-05-07 [FBD]
497 FreeBSD 1.1.5 1994-06-30 [FBD]
498 FreeBSD 1.1.5.1 1994-07-05 [FBD]
499 supersedes 1.1.5 5 days after release.
500 NetBSD 1.0 1994-10-26 [NBD]
501 386BSD 1.0 1994-11-12 [USE]
502 FreeBSD 2.0 1994-11-23 [FBD]
503 BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based
504 FreeBSD 2.0.5 1995-06-10 [FBD]
505 BSD/OS 2.0.1 1995-06-xx [BSDI]
506 4.4BSD Lite Release 2 1995-06-xx [44B]
507 the true final distribution from the CSRG
508 FreeBSD 2.1.0 1995-11-19 [FBD]
509 NetBSD 1.1 1995-11-26 [NBD]
510 BSD/OS 2.1 1996-01-xx [BSDI]
511 FreeBSD 2.1.5 1996-07-14 [FBD]
512 NetBSD 1.2 1996-10-04 [NBD]
513 OpenBSD 2.0 1996-10-18 [OBD]
514 FreeBSD 2.1.6 1996-11-16 [FBD]
515 FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release)
516 Rhapsody 1997-xx-xx
517 FreeBSD 2.1.7 1997-02-20 [FBD]
518 BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based
519 FreeBSD 2.2.0 1997-03-16 [FBD]
520 FreeBSD 2.2.1 1997-03-25 [FBD]
521 FreeBSD 2.2.2 1997-05-16 [FBD]
522 NetBSD 1.2.1 1997-05-20 [NBD] (patch release)
523 OpenBSD 2.1 1997-06-01 [OBD]
524 FreeBSD 2.2.5 1997-10-22 [FBD]
525 OpenBSD 2.2 1997-12-01 [OBD]
526 NetBSD 1.3 1998-01-04 [NBD]
527 FreeBSD 2.2.6 1998-03-25 [FBD]
528 NetBSD 1.3.1 1998-03-09 [NBD] (patch release)
529 BSD/OS 3.1 1998-03-xx [BSDI]
530 OpenBSD 2.3 1998-05-19 [OBD]
531 NetBSD 1.3.2 1998-05-29 [NBD] (patch release)
532 FreeBSD 2.2.7 1998-07-22 [FBD]
533 BSD/OS 4.0 1998-08-xx [BSDI]
534 2-lock MP support, ELF executables
535 FreeBSD 3.0 1998-10-16 [FBD]
536 FreeBSD-3.0 is a snapshot from -current,
537 while 3.1 and 3.2 are from 3.x-stable which
538 was branched quite some time after 3.0-release
539 FreeBSD 2.2.8 1998-11-29 [FBD]
540 OpenBSD 2.4 1998-12-01 [OBD]
541 NetBSD 1.3.3 1998-12-23 [NBD] (patch release)
542 FreeBSD 3.1 1999-02-15 [FBD]
543 BSD/OS 4.0.1 1999-03-xx [BSDI]
544 NetBSD 1.4 1999-05-12 [NBD]
545 FreeBSD 3.2 1999-05-17 [FBD]
546 OpenBSD 2.5 1999-05-19 [OBD]
547 NetBSD 1.4.1 1999-08-26 [NBD] (patch release)
548 FreeBSD 3.3 1999-09-17 [FBD]
549 OpenBSD 2.6 1999-12-01 [OBD]
550 FreeBSD 3.4 1999-12-20 [FBD]
551 BSD/OS 4.1 1999-12-xx [BSDI]
552 FreeBSD 4.0 2000-03-13 [FBD]
553 NetBSD 1.4.2 2000-03-19 [NBD] (patch release)
554 OpenBSD 2.7 2000-06-15 [OBD]
555 FreeBSD 3.5 2000-06-24 [FBD]
556 FreeBSD 4.1 2000-07-27 [FBD]
557 FreeBSD 3.5.1 2000-07-28 [FBD]
558 FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release)
559 FreeBSD 4.2 2000-11-21 [FBD]
560 NetBSD 1.4.3 2000-11-25 [NBD] (patch release)
561 BSD/OS 4.2 2000-11-29 [BSDI]
562 OpenBSD 2.8 2000-12-01 [OBD]
563 NetBSD 1.5 2000-12-06 [NBD]
564 Mac OS X 10.0 2001-03-24 [APL]
565 FreeBSD 4.3 2001-04-20 [FBD]
566 OpenBSD 2.9 2001-06-01 [OBD]
567 NetBSD 1.5.1 2001-07-11 [NBD] (patch release)
568 NetBSD 1.5.2 2001-09-13 [NBD] (patch release)
569 FreeBSD 4.4 2001-09-18 [FBD]
570 Mac OS X 10.1 2001-09-29 [APL]
571 OpenBSD 3.0 2001-12-01 [OBD]
572 FreeBSD 4.5 2002-01-29 [FBD]
573 BSD/OS 4.3 2002-03-14 [WRS]
574 OpenBSD 3.1 2002-05-19 [OBD]
575 FreeBSD 4.6 2002-06-15 [FBD]
576 NetBSD 1.5.3 2002-07-22 [NBD] (patch release)
577 FreeBSD 4.6.2 2002-08-15 [FBD] (patch release)
578 Mac OS X 10.2 2002-08-23 [APL]
579 NetBSD 1.6 2002-09-14 [NBD]
580 FreeBSD 4.7 2002-10-08 [FBD]
581 OpenBSD 3.2 2002-11-01 [OBD]
582 FreeBSD 5.0 2003-01-17 [FBD]
583 FreeBSD 5.0 is a separate branch off of
584 -current, similar to 3.0.
585 FreeBSD 4.8 2003-04-03 [FBD]
586 NetBSD 1.6.1 2003-04-21 [NBD] (patch release)
587 OpenBSD 3.3 2003-05-01 [OBD]
588 BSD/OS 5.0 2003-05-?? [WRS]
589 FreeBSD 5.1 2003-06-09 [FBD]
590 Mac OS X 10.3 2003-10-24 [APL]
591 FreeBSD 4.9 2003-10-28 [FBD]
592 BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version)
593 OpenBSD 3.4 2003-11-01 [OBD]
594 FreeBSD 5.2 2004-01-12 [FBD]
595 FreeBSD 5.2.1 2004-02-22 [FBD] (patch release)
596 NetBSD 1.6.2 2004-03-01 [NBD] (patch release)
597 OpenBSD 3.5 2004-04-01 [OBD]
598 FreeBSD 4.10 2004-05-27 [FBD]
599 DragonFly 1.0 2004-07-12 [DFB]
600 OpenBSD 3.6 2004-10-29 [OBD]
601 FreeBSD 5.3 2004-11-06 [FBD]
602 NetBSD 2.0 2004-12-09 [NBD]
603 FreeBSD 4.11 2005-01-25 [FBD]
604 DragonFly 1.2.0 2005-04-08 [DFB]
605 NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release)
606 Mac OS X 10.4 2005-04-29 [APL]
607 FreeBSD 5.4 2005-05-09 [FBD]
608 OpenBSD 3.7 2005-05-19 [OBD]
609 NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release)
610 OpenBSD 3.8 2005-11-01 [OBD]
611 FreeBSD 6.0 2005-11-01 [FBD]
612 NetBSD 2.1 2005-11-02 [NBD]
613 NetBSD 3.0 2005-12-23 [NBD]
614 DragonFly 1.4.0 2006-01-08 [DFB]
615 FreeBSD 2.2.9 2006-04-01 [FBD]
616 OpenBSD 3.9 2006-05-01 [OBD]
617 FreeBSD 6.1 2006-05-08 [FBD]
618 FreeBSD 5.5 2006-05-25 [FBD]
619 NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release)
620 DragonFly 1.6.0 2006-07-24 [DFB]
621 OpenBSD 4.0 2006-11-01 [OBD]
622 NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release)
623 NetBSD 3.1 2006-11-04 [NBD]
624 FreeBSD 6.2 2007-01-15 [FBD]
625 DragonFly 1.8.0 2007-01-30 [DFB]
626 OpenBSD 4.1 2007-05-01 [OBD]
627 DragonFly 1.10.0 2007-08-06 [DFB]
628 Mac OS X 10.5 2007-10-26 [APL]
629 OpenBSD 4.2 2007-11-01 [OBD]
630 NetBSD 4.0 2007-12-19 [NBD]
631 FreeBSD 6.3 2008-01-18 [FBD]
632 DragonFly 1.12.0 2008-02-26 [DFB]
633 FreeBSD 7.0 2008-02-27 [FBD]
634 OpenBSD 4.3 2008-05-01 [OBD]
635 DragonFly 2.0.0 2008-07-21 [DFB]
636 OpenBSD 4.4 2008-11-01 [OBD]
637 FreeBSD 6.4 2008-11-28 [FBD]
638 FreeBSD 7.1 2009-01-04 [FBD]
639 DragonFly 2.2.0 2009-02-17 [DFB]
640 NetBSD 5.0 2009-04-29 [NBD]
641 OpenBSD 4.5 2009-05-01 [OBD]
642 FreeBSD 7.2 2009-05-04 [FBD]
643 Mac OS X 10.6 2009-06-08 [APL]
644 NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release)
645 DragonFly 2.4.0 2009-09-16 [DFB]
646 OpenBSD 4.6 2009-10-18 [OBD]
647 FreeBSD 8.0 2009-11-26 [FBD]
648 NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release)
649 FreeBSD 7.3 2010-03-23 [FBD]
650 DragonFly 2.6.0 2010-03-28 [DFB]
651 OpenBSD 4.7 2010-05-19 [OBD]
652 FreeBSD 8.1 2010-07-24 [FBD]
653 DragonFly 2.8.2 2010-10-30 [DFB]
654 OpenBSD 4.8 2010-11-01 [OBD]
655 NetBSD 5.1 2010-11-19 [NBD]
656 FreeBSD 7.4 2011-02-24 [FBD]
657 FreeBSD 8.2 2011-02-24 [FBD]
658 DragonFly 2.10.1 2011-04-26 [DFB]
659 OpenBSD 4.9 2011-05-01 [OBD]
660 Mac OS X 10.7 2011-07-20 [APL]
661 OpenBSD 5.0 2011-11-01 [OBD]
662 FreeBSD 9.0 2012-01-12 [FBD]
663 NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release)
664 DragonFly 3.0.1 2012-02-21 [DFB]
665 FreeBSD 8.3 2012-04-18 [FBD]
666 OpenBSD 5.1 2012-05-01 [OBD]
667 Mac OS X 10.8 2012-07-25 [APL]
668 NetBSD 6.0 2012-10-17 [NBD]
669 OpenBSD 5.2 2012-11-01 [OBD]
670 DragonFly 3.2.1 2012-11-02 [DFB]
671 NetBSD 5.2 2012-12-03 [NBD]
672 NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release)
673 FreeBSD 9.1 2012-12-30 [FBD]
674 DragonFly 3.4.1 2013-04-29 [DFB]
675 OpenBSD 5.3 2013-05-01 [OBD]
676 NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release)
677 NetBSD 6.1 2013-05-18 [NBD]
678 FreeBSD 8.4 2013-06-07 [FBD]
679 NetBSD 6.1.1 2013-08-22 [NBD]
680 NetBSD 5.1.3 2013-09-29 [NBD]
681 NetBSD 5.2.1 2013-09-29 [NBD]
682 FreeBSD 9.2 2013-09-30 [FBD]
683 NetBSD 6.0.3 2013-09-30 [NBD]
684 NetBSD 6.1.2 2013-09-30 [NBD]
685 Mac OS X 10.9 2013-10-22 [APL]
686 OpenBSD 5.4 2013-11-01 [OBD]
687 DragonFly 3.6.0 2013-11-25 [DFB]
688 FreeBSD 10.0 2014-01-20 [FBD]
689 NetBSD 5.1.4 2014-01-25 [NBD]
690 NetBSD 5.2.2 2014-01-25 [NBD]
691 NetBSD 6.0.4 2014-01-25 [NBD]
692 NetBSD 6.1.3 2014-01-25 [NBD]
693 DragonFly 3.6.1 2014-02-22 [DFB]
694 DragonFly 3.6.2 2014-04-10 [DFB]
695 NetBSD 6.0.5 2014-04-12 [NBD]
696 NetBSD 6.1.4 2014-04-12 [NBD]
697 OpenBSD 5.5 2014-05-01 [OBD]
698 DragonFly 3.8.0 2014-06-04 [DFB]
699 DragonFly 3.8.1 2014-06-16 [DFB]
700 DragonFly 3.6.3 2014-06-17 [DFB]
701 FreeBSD 9.3 2014-07-05 [FBD]
702 DragonFly 3.8.2 2014-08-08 [DFB]
703 NetBSD 6.0.6 2014-09-22 [NBD]
704 NetBSD 6.1.5 2014-09-22 [NBD]
705 Mac OS X 10.10 2014-10-16 [APL]
706 OpenBSD 5.6 2014-11-01 [OBD]
707 FreeBSD 10.1 2014-11-14 [FBD]
708 DragonFly 4.0.1 2014-11-25 [DFB]
709 DragonFly 4.0.2 2015-01-07 [DFB]
710 DragonFly 4.0.3 2015-01-21 [DFB]
711 DragonFly 4.0.4 2015-03-09 [DFB]
712 DragonFly 4.0.5 2015-03-23 [DFB]
713 OpenBSD 5.7 2015-05-01 [OBD]
714 DragonFly 4.2.0 2015-06-29 [DFB]
715 FreeBSD 10.2 2015-08-13 [FBD]
716 NetBSD 7.0 2015-09-25 [NBD]
717 OS X 10.11 2015-09-30 [APL]
718 OpenBSD 5.8 2015-10-18 [OBD]
719 DragonFly 4.4.1 2015-12-07 [DFB]
720 OpenBSD 5.9 2016-03-29 [OBD]
721 FreeBSD 10.3 2016-04-04 [FBD]
722 NetBSD 7.0.1 2016-05-22 [NBD]
723 DragonFly 4.6.0 2016-08-02 [DFB]
724 OpenBSD 6.0 2016-09-01 [OBD]
725 macOS 10.12 2016-09-20 [APL]
726 FreeBSD 11.0 2016-10-10 [FBD]
727 NetBSD 7.0.2 2016-10-21 [NBD]
728 NetBSD 7.1 2017-03-11 [NBD]
729 DragonFly 4.8.0 2017-03-27 [DFB]
730 OpenBSD 6.1 2017-04-11 [OBD]
731 FreeBSD 11.1 2017-07-26 [FBD]
732 macOS 10.13 2017-09-25 [APL]
733 FreeBSD 10.4 2017-10-03 [FBD]
734 OpenBSD 6.2 2017-10-09 [OBD]
735 DragonFly 5.0.0 2017-10-16 [DFB]
736 DragonFly 5.0.1 2017-11-06 [DFB]
737 DragonFly 5.0.2 2017-12-04 [DFB]
738 NetBSD 7.1.1 2017-12-22 [NBD]
740 Bibliography
741 ------------------------
743 Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
744 Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating
745 System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
747 Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
748 Company, Inc., 1994. ISBN 0-201-54777-5
750 McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
751 Quarterman. The Design and Implementation of the 4.4BSD Operating
752 System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
754 McKusick, Marshall Kirk, George Neville-Neil. The Design and
755 Implementation of the FreeBSD Operating System.
756 Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2
758 McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The
759 Design and Implementation of the FreeBSD Operating System, 2nd Edition.
760 Pearson Education, Inc., 2014. ISBN 0-321-96897-2
762 Doug McIlroy. Research Unix Reader.
764 Michael G. Brown. The Role of BSD in the Development of Unix.
765 Presented to the Tasmanian Unix Special Interest Group of the
766 Australian Computer Society, Hobart, August 1993.
768 Peter H. Salus. Unix at 25. Byte Magazine, October 1994.
769 URL: http://www.byte.com/art/9410/sec8/art3.htm
771 Andreas Klemm, Lars Köller. If you're going to San Francisco ...
772 Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
774 BSD Release Announcements collection.
775 URL: https://www.FreeBSD.org/releases/
777 BSD Hypertext Man Pages
778 URL: https://www.FreeBSD.org/cgi/man.cgi
780 UNIX history graphing project
781 URL: http://minnie.tuhs.org/Unix_History/index.html
783 UNIX history
784 URL: http://www.levenez.com/unix/
786 James Howard: The BSD Family Tree
787 URL: http://ezine.daemonnews.org/200104/bsd_family.html
788 ("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
791 Acknowledgments
792 ---------------
794 Josh Gilliam for suggestions, bug fixes, and finding very old
795 original BSD announcements from Usenet or tapes.
797 Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
799 --
800 Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG>
801 URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree
803 $FreeBSD: head/share/misc/bsd-family-tree 327510 2018-01-03 03:46:28Z eadler $