1 The UNIX system family tree: Research and BSD
2 ---------------------------------------------
14 Sixth Edition (V6) -----*
18 Seventh Edition (V7) |
22 \ 2BSD---------------*
30 4.1BSD --------------> 2.8BSD
32 4.1aBSD -----------\ |
36 *------ 4.1cBSD --------------> 2.9BSD
38 Eighth Edition | 2.9BSD-Seismo
40 +----<--- 4.2BSD 2.9.1BSD
42 +----<--- 4.3BSD -------------> 2.10BSD
44 Ninth Edition | / 2.10.1BSD
45 | 4.3BSD Tahoe-----+ |
55 *---------- 4.3BSD NET/2 -------------------+-------------*
57 386BSD 0.0 | | BSD/386 ALPHA
59 386BSD 0.1 ------------>+ | BSD/386 0.3.[13]
61 | 386BSD 1.0 | | BSD/386 0.9.[34]
64 | | 4.4BSD-Encumbered | |
65 | -NetBSD 0.8 | BSD/386 1.0
67 FreeBSD 1.0 <-----' NetBSD 0.9 | BSD/386 1.1
68 | | .----- 4.4BSD Lite |
69 FreeBSD 1.1 | / / | \ |
71 FreeBSD 1.1.5 .---|--------' / | \ |
73 FreeBSD 1.1.5.1 / | / | \ |
74 | / NetBSD 1.0 <-' | \ |
76 FreeBSD 2.0 <--' | | BSD/OS 2.0
78 FreeBSD 2.0.5 \ | BSD/OS 2.0.1
79 | .-----\------------- 4.4BSD Lite2 |
81 | | .-----|------Rhapsody | | | |
82 | | | | NetBSD 1.3 | | |
83 | | | | OpenBSD 2.3 | |
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 |
91 | FreeBSD 2.1.6.1 | | | \ | |
93 | FreeBSD 2.1.7 | | | | | |
94 | | | | | NetBSD 1.2.1 | |
95 | FreeBSD 2.1.7.1 | | | | |
98 *-FreeBSD 2.2 | | | | |
100 | FreeBSD 2.2.1 | | | | |
102 | FreeBSD 2.2.2 | | | OpenBSD 2.1 |
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 | | | | | |
115 | v | | | | OpenBSD 2.4 |
116 | FreeBSD 2.2.9 | | | | | |
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 |
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 | |
133 | FreeBSD 3.5 | | | | | OpenBSD 2.7 |
135 | FreeBSD 3.5.1 | | | | | | |
137 *---FreeBSD 4.1 | | | | | | |
139 | FreeBSD 4.1.1 | | / | | | |
141 | FreeBSD 4.2 Darwin/ | NetBSD 1.4.3 | |
142 | | Mac OS X | OpenBSD 2.8 BSD/OS 4.2
145 | | 10.0 NetBSD 1.5 | |
146 | FreeBSD 4.3 | | | | |
147 | | | | | OpenBSD 2.9 |
148 | | | | NetBSD 1.5.1 | |
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 | | |
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
165 | FreeBSD 4.9 | | | | OpenBSD 3.4 BSD/OS 5.1 ISE
167 | | | | | NetBSD 1.6.2 |
169 | | | | | | OpenBSD 3.5
171 | FreeBSD 4.10 | | | |
173 | FreeBSD 4.11 | | | |
175 | `-|------|-----------------|---------------------.
179 FreeBSD 5.1 | | | DragonFly 1.0
181 | ----- Mac OS X | | |
185 | FreeBSD 5.2.1 | | | |
187 *-------FreeBSD 5.3 | | | |
188 | | | | OpenBSD 3.6 |
190 | | | | | | | DragonFly 1.2.0
191 | | Mac OS X | | NetBSD 2.0.2 | |
193 | FreeBSD 5.4 | | | | | |
194 | | | | | | OpenBSD 3.7 |
195 | | | | | NetBSD 2.0.3 | |
197 *--FreeBSD | | | | v OpenBSD 3.8 |
200 | | | | | NetBSD 2.1 | |
202 | | | | NetBSD 3.0 | |
203 | | | | | | | | DragonFly 1.4.0
204 | | | | | | | OpenBSD 3.9 |
205 | FreeBSD | | | | | | |
207 | | FreeBSD 5.5 | | | | | |
208 | | | | | NetBSD 3.0.1 | DragonFly 1.6.0
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
219 | | | | OpenBSD 4.2 |
221 | FreeBSD 6.3 | | | | |
223 *--FreeBSD | | | | | DragonFly 1.12.0
225 | | | | | | OpenBSD 4.3 |
226 | | | | | NetBSD | DragonFly 2.0.0
227 | | FreeBSD | | 4.0.1 OpenBSD 4.4 |
230 | FreeBSD 7.1 | | | |
231 | | | | | DragonFly 2.2.0
232 | FreeBSD 7.2 | NetBSD 5.0 OpenBSD 4.5 |
234 | | Mac OS X | | \ | |
236 | | | | | NetBSD | DragonFly 2.4.0
237 | | | | | 5.0.1 OpenBSD 4.6 |
239 *--FreeBSD | | | | | | |
241 | | FreeBSD | | | NetBSD | |
242 | | 7.3 | | | 5.0.2 | DragonFly 2.6.0
243 | | | | | | OpenBSD 4.7 |
244 | FreeBSD | | | | | |
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 | | | | |
254 | | | | | | OpenBSD 5.0 |
255 *--FreeBSD | | | | | | |
256 | 9.0 | | | | NetBSD | DragonFly 3.0.1
257 | | FreeBSD | | | 5.1.2 | |
259 | | | | | | NetBSD | |
260 | | | | | | 5.1.3 | |
262 | | | | | | NetBSD | |
263 | | | | | | 5.1.4 | |
264 | | | | | | OpenBSD 5.1 |
265 | | | Mac OS X | `----. | |
267 | | | | NetBSD 6.0 | | |
268 | | | | | | | | OpenBSD 5.2 DragonFly 3.2.1
269 | FreeBSD | | | | | NetBSD | |
270 | 9.1 | | | | | 5.2 | |
272 | | | | | | | NetBSD | |
273 | | | | | | | 5.2.1 | |
275 | | | | | | | NetBSD | |
276 | | | | | | | 5.2.2 | |
279 | | | | | | NetBSD | |
280 | | | | | | 6.0.1 | |
281 | | | | | | | OpenBSD 5.3 DragonFly 3.4.1
282 | | | | | | NetBSD | |
283 | | | | | | 6.0.2 | |
285 | | | | | | NetBSD | |
286 | | | | | | 6.0.3 | |
288 | | | | | | NetBSD | |
289 | | | | | | 6.0.4 | |
291 | | | | | | NetBSD | |
292 | | | | | | 6.0.5 | |
294 | | | | | | NetBSD | |
295 | | | | | | 6.0.6 | |
297 | | | | | |`-NetBSD 6.1 | |
298 | | FreeBSD | | | | |
299 | | 8.4 | | NetBSD 6.1.1 | |
301 | FreeBSD | | NetBSD 6.1.2 | |
302 | 9.2 Mac OS X | | | |
303 | | 10.9 | | OpenBSD 5.4 |
304 | `-----. | | | | DragonFly 3.6.0
306 *--FreeBSD | | | NetBSD 6.1.3 | |
308 | | | | | | | DragonFly 3.6.1
311 | | | | | | | DragonFly 3.6.2
312 | | | | | NetBSD 6.1.4 | |
314 | | | | | | OpenBSD 5.5 |
316 | | | | | | | DragonFly 3.8.0
319 | | | | | | | DragonFly 3.8.1
322 | | | | | | | DragonFly 3.6.3
324 | | FreeBSD | | | | |
326 | | | | NetBSD 6.1.5 | DragonFly 3.8.2
329 | | | | OpenBSD 5.6 |
331 | 10.1 | | | DragonFly 4.0.1
333 | | | | | DragonFly 4.0.2
335 | | | | | DragonFly 4.0.3
337 | | | | | DragonFly 4.0.4
339 | | | | | DragonFly 4.0.5
341 | | | | OpenBSD 5.7 |
342 | | | | | DragonFly 4.2.0
345 | | macOS NetBSD 7.0 | |
346 | | 10.11 | | | OpenBSD 5.8 |
347 | | | | | `--. | DragonFly 4.4.1
348 | FreeBSD | | | | OpenBSD 5.9 |
350 | | | | | NetBSD 7.0.1 | |
351 | `------. | | | | | DragonFly 4.6.0
354 *--FreeBSD | macOS | | | OpenBSD 6.0 |
355 | 11.0 | 10.12 | | NetBSD 7.0.2 | |
357 | | | | | *- NetBSD 7.1 | |
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
366 | | | | NetBSD 7.1.1 | DragonFly 5.0.2
368 | | | | NetBSD 7.1.2 | |
370 | | | | | OpenBSD 6.3 |
371 | | | | | | DragonFly 5.2.0
373 | | | | | | DragonFly 5.2.1
375 | | | | v | DragonFly 5.2.2
380 FreeBSD 12 -current | NetBSD -current OpenBSD -current DragonFly -current
387 Time tolerance +/- 6 months, depending on which book/article you read; if it
388 was the announcement in Usenet or if it was available as tape.
390 [44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
391 and John Quarterman. The Design and Implementation of
392 the 4.4BSD Operating System.
393 [APL] Apple website [https://www.apple.com/macosx/]
394 [BSDI] Berkeley Software Design, Inc.
395 [DFB] DragonFlyBSD Project, The.
396 [DOC] README, COPYRIGHT on tape.
397 [FBD] FreeBSD Project, The.
398 [KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
399 Volume 11, Info 4, April, 1987.
400 [KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
401 comp.bugs.4bsd.ucb-fixes, June 15, 1988.
402 [KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
403 Changes in the Kernel in 2.9BSD. Second Berkeley Software
404 Distribution UNIX Version 2.9, July, 1983.
405 [NBD] NetBSD Project, The.
406 [OBD] OpenBSD Project, The.
407 [QCU] Salus, Peter H. A quarter century of UNIX.
408 [SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
409 [TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/.
410 [USE] Usenet announcement.
411 [WRS] Wind River Systems, Inc.
412 [dmr] Dennis Ritchie, via E-Mail
417 First Edition 1971-11-03 [QCU]
418 DEC PDP-11/20, Assembler
419 Second Edition 1972-06-12 [QCU]
420 10 UNIX installations
421 Third Edition 1973-02-xx [QCU]
422 Pipes, 16 installations
423 Fourth Edition 1973-11-xx [QCU]
424 rewriting in C effected,
425 above 30 installations
426 Fifth Edition 1974-06-xx [QCU]
427 above 50 installations
428 Sixth Edition 1975-05-xx [QCU]
430 Seventh Edition 1979-01-xx [QCU] 1979-01-10 [TUHS]
432 Eighth Edition 1985-02-xx [QCU]
433 VAX 11/750, VAX 11/780 [dmr]
434 descended from 4.1c BSD [dmr]
435 descended from 4.1 BSD [44B]
436 scooping-out and replacement of the character-device
437 and networking part by the streams mechanism
439 Ninth Edition 1986-09-xx [QCU]
440 Tenth Edition 1989-10-xx [QCU]
444 PDP-11, Pascal, ex(1)
445 30 free copies of 1BSD sent out
446 35 tapes sold for 50 USD [QCU]
447 2BSD mid 1978 [QCU] 1979-05-10 [TUHS]
448 75 2BSD tapes shipped
449 2.79BSD 1980-04-xx [TUHS]
450 2.8BSD 1981-07-xx [KSJ]
452 2.8.1BSD 1982-01-xx [QCU]
453 set of performance improvements
454 2.9BSD 1983-07-xx [KSJ]
455 2.9.1BSD 1983-11-xx [TUHS]
456 2.9BSD-Seismo 1985-08-xx [SMS]
457 2.10BSD 1987-04-xx [KKK]
458 2.10.1BSD 1989-01-xx [SMS]
459 2.11BSD 1992-02-xx [SMS]
460 2.11BSD rev #430 1999-12-13 [SMS]
462 32V 1978-1[01]-xx [QCU] 1979-03-26 [TUHS]
463 3BSD late 1979 [QCU] March 1980 [TUHS]
464 virtual memory, page replacement,
467 4.1BSD 1981-07-08 [DOC]
469 alpha release, 100 sites, networking [44B]
470 4.1bBSD internal release, fast filesystem [44B]
472 beta release, IPC [44B]
473 4.2BSD 1983-09-xx [QCU]
475 4.3BSD 1986-06-xx [QCU]
476 1986-04-05 [KB], [DOC]
477 4.3BSD Tahoe 1988-06-15 [QCU], [DOC]
478 4.3BSD NET/1 1988-11-xx [QCU]
480 4.3BSD Reno 1990-06-29 [QCU], [DOC]
481 4.3BSD NET/2 1991-06-28 [QCU], [DOC]
483 BSD/386 ALPHA 1991-12-xx [BSDI]
484 first code released to people outside BSDI
485 386BSD 0.0 1992-02-xx [DOC]
486 BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers
487 BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version
488 386BSD 0.1 1992-07-28 [DOC]
489 4.4BSD Alpha 1992-07-07
490 BSD/386 0.9.3 1992-10-xx [BSDI]
491 first external gamma; G customers
492 BSD/386 0.9.4 1992-12-xx [BSDI]
493 would have been 1.0 except for request
494 for preliminary injunction
495 BSD/386 1.0 1993-03-xx [BSDI]
496 injunction denied; first official release
497 NetBSD 0.8 1993-04-20 [NBD]
498 4.4BSD 1993-06-01 [USE]
499 NetBSD 0.9 1993-08-23 [NBD]
500 FreeBSD 1.0 1993-11-01 [FBD]
501 FreeBSD 1.0.2 1993-11-14 [FBD]
502 supersedes 1.0 13 days after release.
503 BSD/386 1.1 1994-02-xx [BSDI]
504 4.4BSD Lite 1994-03-01 [USE]
505 FreeBSD 1.1 1994-05-07 [FBD]
506 FreeBSD 1.1.5 1994-06-30 [FBD]
507 FreeBSD 1.1.5.1 1994-07-05 [FBD]
508 supersedes 1.1.5 5 days after release.
509 NetBSD 1.0 1994-10-26 [NBD]
510 386BSD 1.0 1994-11-12 [USE]
511 FreeBSD 2.0 1994-11-23 [FBD]
512 BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based
513 FreeBSD 2.0.5 1995-06-10 [FBD]
514 BSD/OS 2.0.1 1995-06-xx [BSDI]
515 4.4BSD Lite Release 2 1995-06-xx [44B]
516 the true final distribution from the CSRG
517 FreeBSD 2.1.0 1995-11-19 [FBD]
518 NetBSD 1.1 1995-11-26 [NBD]
519 BSD/OS 2.1 1996-01-xx [BSDI]
520 FreeBSD 2.1.5 1996-07-14 [FBD]
521 NetBSD 1.2 1996-10-04 [NBD]
522 OpenBSD 2.0 1996-10-18 [OBD]
523 FreeBSD 2.1.6 1996-11-16 [FBD]
524 FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release)
526 FreeBSD 2.1.7 1997-02-20 [FBD]
527 BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based
528 FreeBSD 2.2.0 1997-03-16 [FBD]
529 FreeBSD 2.2.1 1997-03-25 [FBD]
530 FreeBSD 2.2.2 1997-05-16 [FBD]
531 NetBSD 1.2.1 1997-05-20 [NBD] (patch release)
532 OpenBSD 2.1 1997-06-01 [OBD]
533 FreeBSD 2.2.5 1997-10-22 [FBD]
534 OpenBSD 2.2 1997-12-01 [OBD]
535 NetBSD 1.3 1998-01-04 [NBD]
536 FreeBSD 2.2.6 1998-03-25 [FBD]
537 NetBSD 1.3.1 1998-03-09 [NBD] (patch release)
538 BSD/OS 3.1 1998-03-xx [BSDI]
539 OpenBSD 2.3 1998-05-19 [OBD]
540 NetBSD 1.3.2 1998-05-29 [NBD] (patch release)
541 FreeBSD 2.2.7 1998-07-22 [FBD]
542 BSD/OS 4.0 1998-08-xx [BSDI]
543 2-lock MP support, ELF executables
544 FreeBSD 3.0 1998-10-16 [FBD]
545 FreeBSD-3.0 is a snapshot from -current,
546 while 3.1 and 3.2 are from 3.x-stable which
547 was branched quite some time after 3.0-release
548 FreeBSD 2.2.8 1998-11-29 [FBD]
549 OpenBSD 2.4 1998-12-01 [OBD]
550 NetBSD 1.3.3 1998-12-23 [NBD] (patch release)
551 FreeBSD 3.1 1999-02-15 [FBD]
552 BSD/OS 4.0.1 1999-03-xx [BSDI]
553 NetBSD 1.4 1999-05-12 [NBD]
554 FreeBSD 3.2 1999-05-17 [FBD]
555 OpenBSD 2.5 1999-05-19 [OBD]
556 NetBSD 1.4.1 1999-08-26 [NBD] (patch release)
557 FreeBSD 3.3 1999-09-17 [FBD]
558 OpenBSD 2.6 1999-12-01 [OBD]
559 FreeBSD 3.4 1999-12-20 [FBD]
560 BSD/OS 4.1 1999-12-xx [BSDI]
561 FreeBSD 4.0 2000-03-13 [FBD]
562 NetBSD 1.4.2 2000-03-19 [NBD] (patch release)
563 OpenBSD 2.7 2000-06-15 [OBD]
564 FreeBSD 3.5 2000-06-24 [FBD]
565 FreeBSD 4.1 2000-07-27 [FBD]
566 FreeBSD 3.5.1 2000-07-28 [FBD]
567 FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release)
568 FreeBSD 4.2 2000-11-21 [FBD]
569 NetBSD 1.4.3 2000-11-25 [NBD] (patch release)
570 BSD/OS 4.2 2000-11-29 [BSDI]
571 OpenBSD 2.8 2000-12-01 [OBD]
572 NetBSD 1.5 2000-12-06 [NBD]
573 Mac OS X 10.0 2001-03-24 [APL]
574 FreeBSD 4.3 2001-04-20 [FBD]
575 OpenBSD 2.9 2001-06-01 [OBD]
576 NetBSD 1.5.1 2001-07-11 [NBD] (patch release)
577 NetBSD 1.5.2 2001-09-13 [NBD] (patch release)
578 FreeBSD 4.4 2001-09-18 [FBD]
579 Mac OS X 10.1 2001-09-29 [APL]
580 OpenBSD 3.0 2001-12-01 [OBD]
581 FreeBSD 4.5 2002-01-29 [FBD]
582 BSD/OS 4.3 2002-03-14 [WRS]
583 OpenBSD 3.1 2002-05-19 [OBD]
584 FreeBSD 4.6 2002-06-15 [FBD]
585 NetBSD 1.5.3 2002-07-22 [NBD] (patch release)
586 FreeBSD 4.6.2 2002-08-15 [FBD] (patch release)
587 Mac OS X 10.2 2002-08-23 [APL]
588 NetBSD 1.6 2002-09-14 [NBD]
589 FreeBSD 4.7 2002-10-08 [FBD]
590 OpenBSD 3.2 2002-11-01 [OBD]
591 FreeBSD 5.0 2003-01-17 [FBD]
592 FreeBSD 5.0 is a separate branch off of
593 -current, similar to 3.0.
594 FreeBSD 4.8 2003-04-03 [FBD]
595 NetBSD 1.6.1 2003-04-21 [NBD] (patch release)
596 OpenBSD 3.3 2003-05-01 [OBD]
597 BSD/OS 5.0 2003-05-?? [WRS]
598 FreeBSD 5.1 2003-06-09 [FBD]
599 Mac OS X 10.3 2003-10-24 [APL]
600 FreeBSD 4.9 2003-10-28 [FBD]
601 BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version)
602 OpenBSD 3.4 2003-11-01 [OBD]
603 FreeBSD 5.2 2004-01-12 [FBD]
604 FreeBSD 5.2.1 2004-02-22 [FBD] (patch release)
605 NetBSD 1.6.2 2004-03-01 [NBD] (patch release)
606 OpenBSD 3.5 2004-04-01 [OBD]
607 FreeBSD 4.10 2004-05-27 [FBD]
608 DragonFly 1.0 2004-07-12 [DFB]
609 OpenBSD 3.6 2004-10-29 [OBD]
610 FreeBSD 5.3 2004-11-06 [FBD]
611 NetBSD 2.0 2004-12-09 [NBD]
612 FreeBSD 4.11 2005-01-25 [FBD]
613 DragonFly 1.2.0 2005-04-08 [DFB]
614 NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release)
615 Mac OS X 10.4 2005-04-29 [APL]
616 FreeBSD 5.4 2005-05-09 [FBD]
617 OpenBSD 3.7 2005-05-19 [OBD]
618 NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release)
619 OpenBSD 3.8 2005-11-01 [OBD]
620 FreeBSD 6.0 2005-11-01 [FBD]
621 NetBSD 2.1 2005-11-02 [NBD]
622 NetBSD 3.0 2005-12-23 [NBD]
623 DragonFly 1.4.0 2006-01-08 [DFB]
624 FreeBSD 2.2.9 2006-04-01 [FBD]
625 OpenBSD 3.9 2006-05-01 [OBD]
626 FreeBSD 6.1 2006-05-08 [FBD]
627 FreeBSD 5.5 2006-05-25 [FBD]
628 NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release)
629 DragonFly 1.6.0 2006-07-24 [DFB]
630 OpenBSD 4.0 2006-11-01 [OBD]
631 NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release)
632 NetBSD 3.1 2006-11-04 [NBD]
633 FreeBSD 6.2 2007-01-15 [FBD]
634 DragonFly 1.8.0 2007-01-30 [DFB]
635 OpenBSD 4.1 2007-05-01 [OBD]
636 DragonFly 1.10.0 2007-08-06 [DFB]
637 Mac OS X 10.5 2007-10-26 [APL]
638 OpenBSD 4.2 2007-11-01 [OBD]
639 NetBSD 4.0 2007-12-19 [NBD]
640 FreeBSD 6.3 2008-01-18 [FBD]
641 DragonFly 1.12.0 2008-02-26 [DFB]
642 FreeBSD 7.0 2008-02-27 [FBD]
643 OpenBSD 4.3 2008-05-01 [OBD]
644 DragonFly 2.0.0 2008-07-21 [DFB]
645 OpenBSD 4.4 2008-11-01 [OBD]
646 FreeBSD 6.4 2008-11-28 [FBD]
647 FreeBSD 7.1 2009-01-04 [FBD]
648 DragonFly 2.2.0 2009-02-17 [DFB]
649 NetBSD 5.0 2009-04-29 [NBD]
650 OpenBSD 4.5 2009-05-01 [OBD]
651 FreeBSD 7.2 2009-05-04 [FBD]
652 Mac OS X 10.6 2009-06-08 [APL]
653 NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release)
654 DragonFly 2.4.0 2009-09-16 [DFB]
655 OpenBSD 4.6 2009-10-18 [OBD]
656 FreeBSD 8.0 2009-11-26 [FBD]
657 NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release)
658 FreeBSD 7.3 2010-03-23 [FBD]
659 DragonFly 2.6.0 2010-03-28 [DFB]
660 OpenBSD 4.7 2010-05-19 [OBD]
661 FreeBSD 8.1 2010-07-24 [FBD]
662 DragonFly 2.8.2 2010-10-30 [DFB]
663 OpenBSD 4.8 2010-11-01 [OBD]
664 NetBSD 5.1 2010-11-19 [NBD]
665 FreeBSD 7.4 2011-02-24 [FBD]
666 FreeBSD 8.2 2011-02-24 [FBD]
667 DragonFly 2.10.1 2011-04-26 [DFB]
668 OpenBSD 4.9 2011-05-01 [OBD]
669 Mac OS X 10.7 2011-07-20 [APL]
670 OpenBSD 5.0 2011-11-01 [OBD]
671 FreeBSD 9.0 2012-01-12 [FBD]
672 NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release)
673 DragonFly 3.0.1 2012-02-21 [DFB]
674 FreeBSD 8.3 2012-04-18 [FBD]
675 OpenBSD 5.1 2012-05-01 [OBD]
676 Mac OS X 10.8 2012-07-25 [APL]
677 NetBSD 6.0 2012-10-17 [NBD]
678 OpenBSD 5.2 2012-11-01 [OBD]
679 DragonFly 3.2.1 2012-11-02 [DFB]
680 NetBSD 5.2 2012-12-03 [NBD]
681 NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release)
682 FreeBSD 9.1 2012-12-30 [FBD]
683 DragonFly 3.4.1 2013-04-29 [DFB]
684 OpenBSD 5.3 2013-05-01 [OBD]
685 NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release)
686 NetBSD 6.1 2013-05-18 [NBD]
687 FreeBSD 8.4 2013-06-07 [FBD]
688 NetBSD 6.1.1 2013-08-22 [NBD]
689 NetBSD 5.1.3 2013-09-29 [NBD]
690 NetBSD 5.2.1 2013-09-29 [NBD]
691 FreeBSD 9.2 2013-09-30 [FBD]
692 NetBSD 6.0.3 2013-09-30 [NBD]
693 NetBSD 6.1.2 2013-09-30 [NBD]
694 Mac OS X 10.9 2013-10-22 [APL]
695 OpenBSD 5.4 2013-11-01 [OBD]
696 DragonFly 3.6.0 2013-11-25 [DFB]
697 FreeBSD 10.0 2014-01-20 [FBD]
698 NetBSD 5.1.4 2014-01-25 [NBD]
699 NetBSD 5.2.2 2014-01-25 [NBD]
700 NetBSD 6.0.4 2014-01-25 [NBD]
701 NetBSD 6.1.3 2014-01-25 [NBD]
702 DragonFly 3.6.1 2014-02-22 [DFB]
703 DragonFly 3.6.2 2014-04-10 [DFB]
704 NetBSD 6.0.5 2014-04-12 [NBD]
705 NetBSD 6.1.4 2014-04-12 [NBD]
706 OpenBSD 5.5 2014-05-01 [OBD]
707 DragonFly 3.8.0 2014-06-04 [DFB]
708 DragonFly 3.8.1 2014-06-16 [DFB]
709 DragonFly 3.6.3 2014-06-17 [DFB]
710 FreeBSD 9.3 2014-07-05 [FBD]
711 DragonFly 3.8.2 2014-08-08 [DFB]
712 NetBSD 6.0.6 2014-09-22 [NBD]
713 NetBSD 6.1.5 2014-09-22 [NBD]
714 Mac OS X 10.10 2014-10-16 [APL]
715 OpenBSD 5.6 2014-11-01 [OBD]
716 FreeBSD 10.1 2014-11-14 [FBD]
717 DragonFly 4.0.1 2014-11-25 [DFB]
718 DragonFly 4.0.2 2015-01-07 [DFB]
719 DragonFly 4.0.3 2015-01-21 [DFB]
720 DragonFly 4.0.4 2015-03-09 [DFB]
721 DragonFly 4.0.5 2015-03-23 [DFB]
722 OpenBSD 5.7 2015-05-01 [OBD]
723 DragonFly 4.2.0 2015-06-29 [DFB]
724 FreeBSD 10.2 2015-08-13 [FBD]
725 NetBSD 7.0 2015-09-25 [NBD]
726 OS X 10.11 2015-09-30 [APL]
727 OpenBSD 5.8 2015-10-18 [OBD]
728 DragonFly 4.4.1 2015-12-07 [DFB]
729 OpenBSD 5.9 2016-03-29 [OBD]
730 FreeBSD 10.3 2016-04-04 [FBD]
731 NetBSD 7.0.1 2016-05-22 [NBD]
732 DragonFly 4.6.0 2016-08-02 [DFB]
733 OpenBSD 6.0 2016-09-01 [OBD]
734 macOS 10.12 2016-09-20 [APL]
735 FreeBSD 11.0 2016-10-10 [FBD]
736 NetBSD 7.0.2 2016-10-21 [NBD]
737 NetBSD 7.1 2017-03-11 [NBD]
738 DragonFly 4.8.0 2017-03-27 [DFB]
739 OpenBSD 6.1 2017-04-11 [OBD]
740 FreeBSD 11.1 2017-07-26 [FBD]
741 macOS 10.13 2017-09-25 [APL]
742 FreeBSD 10.4 2017-10-03 [FBD]
743 OpenBSD 6.2 2017-10-09 [OBD]
744 DragonFly 5.0.0 2017-10-16 [DFB]
745 DragonFly 5.0.1 2017-11-06 [DFB]
746 DragonFly 5.0.2 2017-12-04 [DFB]
747 NetBSD 7.1.1 2017-12-22 [NBD]
748 NetBSD 7.1.2 2018-03-15 [NBD]
749 OpenBSD 6.3 2018-04-02 [OBD]
750 DragonFly 5.2.0 2018-04-10 [DFB]
751 DragonFly 5.2.1 2018-05-20 [DFB]
752 DragonFly 5.2.2 2018-06-18 [DFB]
753 FreeBSD 11.2 2018-06-27 [FBD]
756 ------------------------
758 Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
759 Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating
760 System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
762 Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
763 Company, Inc., 1994. ISBN 0-201-54777-5
765 McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
766 Quarterman. The Design and Implementation of the 4.4BSD Operating
767 System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
769 McKusick, Marshall Kirk, George Neville-Neil. The Design and
770 Implementation of the FreeBSD Operating System.
771 Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2
773 McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The
774 Design and Implementation of the FreeBSD Operating System, 2nd Edition.
775 Pearson Education, Inc., 2014. ISBN 0-321-96897-2
777 Doug McIlroy. Research Unix Reader.
779 Michael G. Brown. The Role of BSD in the Development of Unix.
780 Presented to the Tasmanian Unix Special Interest Group of the
781 Australian Computer Society, Hobart, August 1993.
783 Peter H. Salus. Unix at 25. Byte Magazine, October 1994.
784 URL: http://www.byte.com/art/9410/sec8/art3.htm
786 Andreas Klemm, Lars Köller. If you're going to San Francisco ...
787 Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
789 BSD Release Announcements collection.
790 URL: https://www.FreeBSD.org/releases/
792 BSD Hypertext Man Pages
793 URL: https://www.FreeBSD.org/cgi/man.cgi
795 UNIX history graphing project
796 URL: http://minnie.tuhs.org/Unix_History/index.html
799 URL: http://www.levenez.com/unix/
801 James Howard: The BSD Family Tree
802 URL: http://ezine.daemonnews.org/200104/bsd_family.html
803 ("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
809 Josh Gilliam for suggestions, bug fixes, and finding very old
810 original BSD announcements from Usenet or tapes.
812 Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
815 Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG>
816 URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree
818 $FreeBSD: head/share/misc/bsd-family-tree 335822 2018-06-30 18:18:41Z maxim $
projects / dragonfly.git / blob