1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
|
The UNIX system family tree: Research and BSD
---------------------------------------------
First Edition (V1)
|
Second Edition (V2)
|
Third Edition (V3)
|
Fourth Edition (V4)
|
Fifth Edition (V5)
|
Sixth Edition (V6) -----*
\ |
\ |
\ |
Seventh Edition (V7) |
\ |
\ 1BSD
32V |
\ 2BSD---------------*
\ / |
\ / |
\/ |
3BSD |
| |
4.0BSD 2.79BSD
| |
4.1BSD --------------> 2.8BSD
| |
4.1aBSD -----------\ |
| \ |
4.1bBSD \ |
| \ |
*------ 4.1cBSD --------------> 2.9BSD
/ | |
Eighth Edition | 2.9BSD-Seismo
| | |
+----<--- 4.2BSD 2.9.1BSD
| | |
+----<--- 4.3BSD -------------> 2.10BSD
| | / |
Ninth Edition | / 2.10.1BSD
| 4.3BSD Tahoe-----+ |
| | \ |
| | \ |
v | 2.11BSD
Tenth Edition | |
| 2.11BSD rev #430
4.3BSD NET/1 |
| v
4.3BSD Reno
|
*---------- 4.3BSD NET/2 -------------------+-------------*
| | | |
386BSD 0.0 | | BSD/386 ALPHA
| | | |
386BSD 0.1 ------------>+ | BSD/386 0.3.[13]
| \ | 4.4BSD Alpha |
| 386BSD 1.0 | | BSD/386 0.9.[34]
| | 4.4BSD |
| | / | |
| | 4.4BSD-Encumbered | |
| -NetBSD 0.8 | BSD/386 1.0
| / | | |
FreeBSD 1.0 <-----' NetBSD 0.9 | BSD/386 1.1
| | .----- 4.4BSD Lite |
FreeBSD 1.1 | / / | \ |
| | / / | \ |
FreeBSD 1.1.5 .---|--------' / | \ |
| / | / | \ |
FreeBSD 1.1.5.1 / | / | \ |
| / NetBSD 1.0 <-' | \ |
| / | | \ |
FreeBSD 2.0 <--' | | BSD/OS 2.0
| \ | |
FreeBSD 2.0.5 \ | BSD/OS 2.0.1
| .-----\------------- 4.4BSD Lite2 |
| | \ | | | | |
| | .-----|------Rhapsody | | | |
| | | | NetBSD 1.3 | | |
| | | | OpenBSD 2.3 | |
| | | | BSD/OS 3.0 |
FreeBSD 2.1 | | | |
| | | | NetBSD 1.1 ------. BSD/OS 2.1
| FreeBSD 2.1.5 | | | \ |
| | | | NetBSD 1.2 \ BSD/OS 3.0
| FreeBSD 2.1.6 | | | \ OpenBSD 2.0 |
| | | | | \ | |
| FreeBSD 2.1.6.1 | | | \ | |
| | | | | \ | |
| FreeBSD 2.1.7 | | | | | |
| | | | | NetBSD 1.2.1 | |
| FreeBSD 2.1.7.1 | | | | |
| | | | | |
| | | | | |
*-FreeBSD 2.2 | | | | |
| \ | | | | |
| FreeBSD 2.2.1 | | | | |
| | | | | | |
| FreeBSD 2.2.2 | | | OpenBSD 2.1 |
| | | | | | |
| FreeBSD 2.2.5 | | | | |
| | | | | OpenBSD 2.2 |
| | | | NetBSD 1.3 | |
| FreeBSD 2.2.6 | | | | | |
| | | | | NetBSD 1.3.1 | BSD/OS 3.1
| | | | | | OpenBSD 2.3 |
| | | | | NetBSD 1.3.2 | |
| FreeBSD 2.2.7 | | | | | |
| | | | | | | BSD/OS 4.0
| v | | | | | |
| FreeBSD 2.2.8 | | | | | |
| | | | | OpenBSD 2.4 |
FreeBSD 3.0 <--------* | | v | |
| | | NetBSD 1.3.3 | |
*---FreeBSD 3.1 | | | |
| | | | | BSD/OS 4.0.1
| FreeBSD 3.2----* | NetBSD 1.4 OpenBSD 2.5 |
| | | | | | | | |
| | | | | | | | |
| | | | | | | | |
| FreeBSD 3.3 | | | | NetBSD 1.4.1 | |
| | | | | | | OpenBSD 2.6 |
| FreeBSD 3.4 | | | | | | |
| | | | | | | | BSD/OS 4.1
FreeBSD 4.0 | | | | | NetBSD 1.4.2 | |
| | | | | | | | |
| | | | | | | | |
| FreeBSD 3.5 | | | | | OpenBSD 2.7 |
| | | | | | | | |
| FreeBSD 3.5.1 | | | | | | |
| | | | | | | |
*---FreeBSD 4.1 | | | | | | |
| | | | (?) | | | |
| FreeBSD 4.1.1 | | / | | | |
| | | | / | | | |
| FreeBSD 4.2 Darwin/ | NetBSD 1.4.3 | |
| | Mac OS X | OpenBSD 2.8 BSD/OS 4.2
| | | | | |
| | | | | |
| | 10.0 NetBSD 1.5 | |
| FreeBSD 4.3 | | | | |
| | | | | OpenBSD 2.9 |
| | | | NetBSD 1.5.1 | |
| | | | | | |
| FreeBSD 4.4-. | | NetBSD 1.5.2 | |
| | | Mac OS X | | | |
| | | 10.1 | | OpenBSD 3.0 |
| FreeBSD 4.5 | | | | | |
| | \ | | | | BSD/OS 4.3
| FreeBSD 4.6 \ | | | OpenBSD 3.1 |
| | \ | | NetBSD 1.5.3 | |
| FreeBSD 4.6.2 Mac OS X | | |
| | 10.2 | | |
| FreeBSD 4.7 | | | |
| | | NetBSD 1.6 OpenBSD 3.2 |
| FreeBSD 4.8 | | | | |
| | | | NetBSD 1.6.1 | |
| |--------. | | | OpenBSD 3.3 BSD/OS 5.0
| | \ | | | | |
| FreeBSD 4.9 | | | | OpenBSD 3.4 BSD/OS 5.1 ISE
| | | | | | |
| | | | | NetBSD 1.6.2 |
| | | | | | |
| | | | | | OpenBSD 3.5
| | | | | v |
| FreeBSD 4.10 | | | |
| | | | | |
| FreeBSD 4.11 | | | |
| | | | |
| `-|------|-----------------|---------------------.
| | | | \
FreeBSD 5.0 | | | |
| | | | |
FreeBSD 5.1 | | | DragonFly 1.0
| \ | | | |
| ----- Mac OS X | | |
| 10.3 | | |
FreeBSD 5.2 | | | |
| | | | | |
| FreeBSD 5.2.1 | | | |
| | | | |
*-------FreeBSD 5.3 | | | |
| | | | OpenBSD 3.6 |
| | | NetBSD 2.0 | |
| | | | | | | DragonFly 1.2.0
| | Mac OS X | | NetBSD 2.0.2 | |
| | 10.4 | | | | |
| FreeBSD 5.4 | | | | | |
| | | | | | OpenBSD 3.7 |
| | | | | NetBSD 2.0.3 | |
| | | | | | | |
*--FreeBSD | | | | v OpenBSD 3.8 |
| 6.0 | | | | | |
| | | | | \ | |
| | | | | NetBSD 2.1 | |
| | | | | | |
| | | | NetBSD 3.0 | |
| | | | | | | | DragonFly 1.4.0
| | | | | | | OpenBSD 3.9 |
| FreeBSD | | | | | | |
| 6.1 | | | | | | |
| | FreeBSD 5.5 | | | | | |
| | | | | NetBSD 3.0.1 | DragonFly 1.6.0
| | | | | | | |
| | | | | | OpenBSD 4.0 |
| | | | | NetBSD 3.0.2 | |
| | | | NetBSD 3.1 | |
| FreeBSD 6.2 | | | |
| | | | | DragonFly 1.8.0
| | | | OpenBSD 4.1 |
| | | | | DragonFly 1.10.0
| | Mac OS X | | |
| | 10.5 | | |
| | | | OpenBSD 4.2 |
| | | NetBSD 4.0 | |
| FreeBSD 6.3 | | | | |
| \ | | | | |
*--FreeBSD | | | | | DragonFly 1.12.0
| 7.0 | | | | | |
| | | | | | OpenBSD 4.3 |
| | | | | NetBSD | DragonFly 2.0.0
| | FreeBSD | | 4.0.1 OpenBSD 4.4 |
| | 6.4 | | | |
| | | | | |
| FreeBSD 7.1 | | | |
| | | | | DragonFly 2.2.0
| FreeBSD 7.2 | NetBSD 5.0 OpenBSD 4.5 |
| \ | | | \ | |
| | Mac OS X | | \ | |
| | 10.6 | | \ | |
| | | | | NetBSD | DragonFly 2.4.0
| | | | | 5.0.1 OpenBSD 4.6 |
| | | | | | | |
*--FreeBSD | | | | | | |
| 8.0 | | | | | | |
| | FreeBSD | | | NetBSD | |
| | 7.3 | | | 5.0.2 | DragonFly 2.6.0
| | | | | | OpenBSD 4.7 |
| FreeBSD | | | | | |
| 8.1 | | | | | |
| | | | | | | DragonFly 2.8.2
| | | | | | OpenBSD 4.8 |
| | | | | *--NetBSD | |
| FreeBSD FreeBSD | | | 5.1 | |
| 8.2 7.4 | | | | | DragonFly 2.10.1
| | | | | | OpenBSD 4.9 |
| `-----. Mac OS X | | | | |
| \ 10.7 | | | | |
| | | | | | OpenBSD 5.0 |
*--FreeBSD | | | | | | |
| 9.0 | | | | NetBSD | DragonFly 3.0.1
| | FreeBSD | | | 5.1.2 | |
| | 8.3 | | | OpenBSD 5.1 |
| | | Mac OS X | `----. | |
| | | 10.8 | \ | |
| | | | NetBSD 6.0 | | |
| | | | | | | | OpenBSD 5.2 DragonFly 3.2.1
| FreeBSD | | | | | NetBSD | |
| 9.1 | | | | | 5.2 | |
| | | | | \ | |
| | | | | NetBSD | |
| | | | | 6.0.1 | |
| | | | | | OpenBSD 5.3 DragonFly 3.4.1
| | | | | NetBSD | |
| | | | | 6.0.2 | |
| | | | | | |
| | | | `-NetBSD 6.1 | |
| FreeBSD | | | |
| 8.4 | | | |
| | | | |
| | | | |
| | | | |
FreeBSD 10 -current | NetBSD -current OpenBSD -current |
| | | | |
v v v v v
Time
----------------
Time tolerance +/- 6 months, depending on which book/article you read; if it
was the announcement in Usenet or if it was available as tape.
[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
and John Quarterman. The Design and Implementation of
the 4.4BSD Operating System.
[APL] Apple website [http://www.apple.com/macosx/]
[BSDI] Berkeley Software Design, Inc.
[DFB] DragonFlyBSD Project, The.
[DOC] README, COPYRIGHT on tape.
[FBD] FreeBSD Project, The.
[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
Volume 11, Info 4, April, 1987.
[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
comp.bugs.4bsd.ucb-fixes, June 15, 1988.
[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
Changes in the Kernel in 2.9BSD. Second Berkeley Software
Distribution UNIX Version 2.9, July, 1983.
[NBD] NetBSD Project, The.
[OBD] OpenBSD Project, The.
[QCU] Salus, Peter H. A quarter century of UNIX.
[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/.
[USE] Usenet announcement.
[WRS] Wind River Systems, Inc.
[dmr] Dennis Ritchie, via E-Mail
Multics 1965
UNIX Summer 1969
DEC PDP-7
First Edition 1971-11-03 [QCU]
DEC PDP-11/20, Assembler
Second Edition 1972-06-12 [QCU]
10 UNIX installations
Third Edition 1973-02-xx [QCU]
Pipes, 16 installations
Fourth Edition 1973-11-xx [QCU]
rewriting in C effected,
above 30 installations
Fifth Edition 1974-06-xx [QCU]
above 50 installations
Sixth Edition 1975-05-xx [QCU]
port to DEC Vax
Seventh Edition 1979-01-xx [QCU]
first portable UNIX
Eighth Edition 1985-02-xx [QCU]
VAX 11/750, VAX 11/780 [dmr]
descended from 4.1c BSD [dmr]
descended from 4.1 BSD [44B]
scooping-out and replacement of the character-device
and networking part by the streams mechanism
Ninth Edition 1986-09-xx [QCU]
Tenth Edition 1989-10-xx [QCU]
1BSD late 1977
1978-03-09 [QCU]
PDP-11, Pascal, ex(1)
30 free copies of 1BSD sent out
35 tapes sold for 50 USD [QCU]
2BSD mid 1978 [QCU] 1979-05-10 [TUHS]
75 2BSD tapes shipped
2.79BSD 1980-04-xx [TUHS]
2.8BSD 1981-07-xx [KSJ]
2.8.1BSD 1982-01-xx [QCU]
set of performance improvements
2.9BSD 1983-07-xx [KSJ]
2.9.1BSD 1983-11-xx [TUHS]
2.9BSD-Seismo 1985-08-xx [SMS]
2.10BSD 1987-04-xx [KKK]
2.10.1BSD 1989-01-xx [SMS]
2.11BSD 1992-02-xx [SMS]
2.11BSD rev #430 1999-12-13 [SMS]
32V 1978-1[01]-xx [QCU]
3BSD late 1979 [QCU] March 1980 [TUHS]
virtual memory, page replacement,
demand paging
4.0BSD 1980-10-xx
4.1BSD 1981-07-08 [DOC]
4.1aBSD 1982-04-xx
alpha release, 100 sites, networking [44B]
4.1bBSD internal release, fast filesystem [44B]
4.1cBSD late 1982
beta release, IPC [44B]
4.2BSD 1983-09-xx [QCU]
1983-08-03 [DOC]
4.3BSD 1986-06-xx [QCU]
1986-04-05 [KB], [DOC]
4.3BSD Tahoe 1988-06-15 [QCU], [DOC]
4.3BSD NET/1 1988-11-xx [QCU]
1989-01-01 [DOC]
4.3BSD Reno 1990-06-29 [QCU], [DOC]
4.3BSD NET/2 1991-06-28 [QCU], [DOC]
BSD/386 ALPHA 1991-12-xx [BSDI]
first code released to people outside BSDI
386BSD 0.0 1992-02-xx [DOC]
BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers
BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version
386BSD 0.1 1992-07-28 [DOC]
4.4BSD Alpha 1992-07-07
BSD/386 0.9.3 1992-10-xx [BSDI]
first external gamma; G customers
BSD/386 0.9.4 1992-12-xx [BSDI]
would have been 1.0 except for request
for preliminary injunction
BSD/386 1.0 1993-03-xx [BSDI]
injunction denied; first official release
NetBSD 0.8 1993-04-20 [NBD]
4.4BSD 1993-06-01 [USE]
NetBSD 0.9 1993-08-23 [NBD]
FreeBSD 1.0 1993-11-01 [FBD]
FreeBSD 1.0.2 1993-11-14 [FBD]
supersedes 1.0 13 days after release.
BSD/386 1.1 1994-02-xx [BSDI]
4.4BSD Lite 1994-03-01 [USE]
FreeBSD 1.1 1994-05-07 [FBD]
FreeBSD 1.1.5 1994-06-30 [FBD]
FreeBSD 1.1.5.1 1994-07-05 [FBD]
supersedes 1.1.5 5 days after release.
NetBSD 1.0 1994-10-26 [NBD]
386BSD 1.0 1994-11-12 [USE]
FreeBSD 2.0 1994-11-23 [FBD]
BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based
FreeBSD 2.0.5 1995-06-10 [FBD]
BSD/OS 2.0.1 1995-06-xx [BSDI]
4.4BSD Lite Release 2 1995-06-xx [44B]
the true final distribution from the CSRG
FreeBSD 2.1.0 1995-11-19 [FBD]
NetBSD 1.1 1995-11-26 [NBD]
BSD/OS 2.1 1996-01-xx [BSDI]
FreeBSD 2.1.5 1996-07-14 [FBD]
NetBSD 1.2 1996-10-04 [NBD]
OpenBSD 2.0 1996-10-18 [OBD]
FreeBSD 2.1.6 1996-11-16 [FBD]
FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release)
Rhapsody 1997-xx-xx
FreeBSD 2.1.7 1997-02-20 [FBD]
BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based
FreeBSD 2.2.0 1997-03-16 [FBD]
FreeBSD 2.2.1 1997-03-25 [FBD]
FreeBSD 2.2.2 1997-05-16 [FBD]
NetBSD 1.2.1 1997-05-20 [NBD] (patch release)
OpenBSD 2.1 1997-06-01 [OBD]
FreeBSD 2.2.5 1997-10-22 [FBD]
OpenBSD 2.2 1997-12-01 [OBD]
NetBSD 1.3 1998-01-04 [NBD]
FreeBSD 2.2.6 1998-03-25 [FBD]
NetBSD 1.3.1 1998-03-09 [NBD] (patch release)
BSD/OS 3.1 1998-03-xx [BSDI]
OpenBSD 2.3 1998-05-19 [OBD]
NetBSD 1.3.2 1998-05-29 [NBD] (patch release)
FreeBSD 2.2.7 1998-07-22 [FBD]
BSD/OS 4.0 1998-08-xx [BSDI]
2-lock MP support, ELF executables
FreeBSD 3.0 1998-10-16 [FBD]
FreeBSD-3.0 is a snapshot from -current,
while 3.1 and 3.2 are from 3.x-stable which
was branched quite some time after 3.0-release
FreeBSD 2.2.8 1998-11-29 [FBD]
OpenBSD 2.4 1998-12-01 [OBD]
NetBSD 1.3.3 1998-12-23 [NBD] (patch release)
FreeBSD 3.1 1999-02-15 [FBD]
BSD/OS 4.0.1 1999-03-xx [BSDI]
NetBSD 1.4 1999-05-12 [NBD]
FreeBSD 3.2 1999-05-17 [FBD]
OpenBSD 2.5 1999-05-19 [OBD]
NetBSD 1.4.1 1999-08-26 [NBD] (patch release)
FreeBSD 3.3 1999-09-17 [FBD]
OpenBSD 2.6 1999-12-01 [OBD]
FreeBSD 3.4 1999-12-20 [FBD]
BSD/OS 4.1 1999-12-xx [BSDI]
FreeBSD 4.0 2000-03-13 [FBD]
NetBSD 1.4.2 2000-03-19 [NBD] (patch release)
OpenBSD 2.7 2000-06-15 [OBD]
FreeBSD 3.5 2000-06-24 [FBD]
FreeBSD 4.1 2000-07-27 [FBD]
FreeBSD 3.5.1 2000-07-28 [FBD]
FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release)
FreeBSD 4.2 2000-11-21 [FBD]
NetBSD 1.4.3 2000-11-25 [NBD] (patch release)
BSD/OS 4.2 2000-11-29 [BSDI]
OpenBSD 2.8 2000-12-01 [OBD]
NetBSD 1.5 2000-12-06 [NBD]
Mac OS X 10.0 2001-03-24 [APL]
FreeBSD 4.3 2001-04-20 [FBD]
OpenBSD 2.9 2001-06-01 [OBD]
NetBSD 1.5.1 2001-07-11 [NBD] (patch release)
NetBSD 1.5.2 2001-09-13 [NBD] (patch release)
FreeBSD 4.4 2001-09-18 [FBD]
Mac OS X 10.1 2001-09-29 [APL]
OpenBSD 3.0 2001-12-01 [OBD]
FreeBSD 4.5 2002-01-29 [FBD]
BSD/OS 4.3 2002-03-14 [WRS]
OpenBSD 3.1 2002-05-19 [OBD]
FreeBSD 4.6 2002-06-15 [FBD]
NetBSD 1.5.3 2002-07-22 [NBD] (patch release)
FreeBSD 4.6.2 2002-08-15 [FBD] (patch release)
Mac OS X 10.2 2002-08-23 [APL]
NetBSD 1.6 2002-09-14 [NBD]
FreeBSD 4.7 2002-10-08 [FBD]
OpenBSD 3.2 2002-11-01 [OBD]
FreeBSD 5.0 2003-01-17 [FBD]
FreeBSD 5.0 is a separate branch off of
-current, similar to 3.0.
FreeBSD 4.8 2003-04-03 [FBD]
NetBSD 1.6.1 2003-04-21 [NBD] (patch release)
OpenBSD 3.3 2003-05-01 [OBD]
BSD/OS 5.0 2003-05-?? [WRS]
FreeBSD 5.1 2003-06-09 [FBD]
Mac OS X 10.3 2003-10-24 [APL]
FreeBSD 4.9 2003-10-28 [FBD]
BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version)
OpenBSD 3.4 2003-11-01 [OBD]
FreeBSD 5.2 2004-01-12 [FBD]
FreeBSD 5.2.1 2004-02-22 [FBD] (patch release)
NetBSD 1.6.2 2004-03-01 [NBD] (patch release)
OpenBSD 3.5 2004-04-01 [OBD]
FreeBSD 4.10 2004-05-27 [FBD]
DragonFly 1.0 2004-07-12 [DFB]
OpenBSD 3.6 2004-10-29 [OBD]
FreeBSD 5.3 2004-11-06 [FBD]
NetBSD 2.0 2004-12-09 [NBD]
FreeBSD 4.11 2005-01-25 [FBD]
DragonFly 1.2.0 2005-04-08 [DFB]
NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release)
Mac OS X 10.4 2005-04-29 [APL]
FreeBSD 5.4 2005-05-09 [FBD]
OpenBSD 3.7 2005-05-19 [OBD]
NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release)
OpenBSD 3.8 2005-11-01 [OBD]
FreeBSD 6.0 2005-11-01 [FBD]
NetBSD 2.1 2005-11-02 [NBD]
NetBSD 3.0 2005-12-23 [NBD]
DragonFly 1.4.0 2006-01-08 [DFB]
OpenBSD 3.9 2006-05-01 [OBD]
FreeBSD 6.1 2006-05-08 [FBD]
FreeBSD 5.5 2006-05-25 [FBD]
NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release)
DragonFly 1.6.0 2006-07-24 [DFB]
OpenBSD 4.0 2006-11-01 [OBD]
NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release)
NetBSD 3.1 2006-11-04 [NBD]
FreeBSD 6.2 2007-01-15 [FBD]
DragonFly 1.8.0 2007-01-30 [DFB]
OpenBSD 4.1 2007-05-01 [OBD]
DragonFly 1.10.0 2007-08-06 [DFB]
Mac OS X 10.5 2007-10-26 [APL]
OpenBSD 4.2 2007-11-01 [OBD]
NetBSD 4.0 2007-12-19 [NBD]
FreeBSD 6.3 2008-01-18 [FBD]
DragonFly 1.12.0 2008-02-26 [DFB]
FreeBSD 7.0 2008-02-27 [FBD]
OpenBSD 4.3 2008-05-01 [OBD]
DragonFly 2.0.0 2008-07-21 [DFB]
OpenBSD 4.4 2008-11-01 [OBD]
FreeBSD 6.4 2008-11-28 [FBD]
FreeBSD 7.1 2009-01-04 [FBD]
DragonFly 2.2.0 2009-02-17 [DFB]
NetBSD 5.0 2009-04-29 [NBD]
OpenBSD 4.5 2009-05-01 [OBD]
FreeBSD 7.2 2009-05-04 [FBD]
Mac OS X 10.6 2009-06-08 [APL]
NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release)
DragonFly 2.4.0 2009-09-16 [DFB]
OpenBSD 4.6 2009-10-18 [OBD]
FreeBSD 8.0 2009-11-26 [FBD]
NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release)
FreeBSD 7.3 2010-03-23 [FBD]
DragonFly 2.6.0 2010-03-28 [DFB]
OpenBSD 4.7 2010-05-19 [OBD]
FreeBSD 8.1 2010-07-24 [FBD]
DragonFly 2.8.2 2010-10-30 [DFB]
OpenBSD 4.8 2010-11-01 [OBD]
NetBSD 5.1 2010-11-19 [NBD]
FreeBSD 7.4 2011-02-24 [FBD]
FreeBSD 8.2 2011-02-24 [FBD]
DragonFly 2.10.1 2011-04-26 [DFB]
OpenBSD 4.9 2011-05-01 [OBD]
Mac OS X 10.7 2011-07-20 [APL]
OpenBSD 5.0 2011-11-01 [OBD]
FreeBSD 9.0 2012-01-12 [FBD]
NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release)
DragonFly 3.0.1 2012-02-21 [DFB]
FreeBSD 8.3 2012-04-18 [FBD]
OpenBSD 5.1 2012-05-01 [OBD]
Mac OS X 10.8 2012-07-25 [APL]
NetBSD 6.0 2012-10-17 [NBD]
OpenBSD 5.2 2012-11-01 [OBD]
DragonFly 3.2.1 2012-11-02 [DFB]
NetBSD 5.2 2012-12-03 [NBD]
NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release)
FreeBSD 9.1 2012-12-30 [FBD]
DragonFly 3.4.1 2013-04-29 [DFB]
OpenBSD 5.3 2013-05-01 [OBD]
NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release)
NetBSD 6.1 2013-05-18 [NBD]
FreeBSD 8.4 2013-06-07 [FBD]
Bibliography
------------------------
Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating
System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
Company, Inc., 1994. ISBN 0-201-54777-5
McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
Quarterman. The Design and Implementation of the 4.4BSD Operating
System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
McKusick, Marshall Kirk, George Neville-Neil. The Design and
Implementation of the FreeBSD Operating System.
Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2
Doug McIlroy. Research Unix Reader.
Michael G. Brown. The Role of BSD in the Development of Unix.
Presented to the Tasmanian Unix Special Interest Group of the
Australian Computer Society, Hobart, August 1993.
Peter H. Salus. Unix at 25. Byte Magazine, October 1994.
URL: http://www.byte.com/art/9410/sec8/art3.htm
Andreas Klemm, Lars Köller. If you're going to San Francisco ...
Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
BSD Release Announcements collection.
URL: http://www.FreeBSD.org/releases/
BSD Hypertext Man Pages
URL: http://www.FreeBSD.org/cgi/man.cgi
UNIX history graphing project
URL: http://minnie.tuhs.org/Unix_History/index.html
UNIX history
URL: http://www.levenez.com/unix/
James Howard: The BSD Family Tree
URL: http://ezine.daemonnews.org/200104/bsd_family.html
("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
Acknowledgments
---------------
Josh Gilliam for suggestions, bug fixes, and finding very old
original BSD announcements from Usenet or tapes.
Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
--
Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG>
URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree
$FreeBSD$
|
