bsd-family-tree revision 171778
159769SgrogThe UNIX system family tree: Research and BSD
259769Sgrog---------------------------------------------
324424Swosch
424424SwoschFirst Edition (V1)
524424Swosch     |
624424SwoschSecond Edition (V2)
724424Swosch     |
824424SwoschThird Edition (V3)
924424Swosch     |
1024424SwoschFourth Edition (V4)
1124424Swosch     |
1224424SwoschFifth Edition (V5)
1324424Swosch     |
1424424SwoschSixth Edition (V6) -----*
1542704Swosch       \                |
1642704Swosch        \               |
1742704Swosch         \              |
1824424SwoschSeventh Edition (V7)    |
1942704Swosch            \           |
2042704Swosch             \        1BSD
2142704Swosch             32V        |
2242704Swosch               \      2BSD---------------*
2342704Swosch                \    /                   |
2442704Swosch                 \  /                    |
2542704Swosch                  \/                     |
2642704Swosch                 3BSD                    |
2742704Swosch                  |                      |
2842704Swosch               4.0BSD               2.7.9BSD
2942704Swosch                  |                      |
3059769Sgrog               4.1BSD --------------> 2.8BSD
3159769Sgrog                  |                      |
3259769Sgrog              4.1aBSD -----------\       |
3359769Sgrog                  |                \     |
3459769Sgrog              4.1bBSD                \   |
3559769Sgrog                  |                    \ |
3659769Sgrog      *------ 4.1cBSD --------------> 2.9BSD
3759769Sgrog     /            |                      |
3859769SgrogEighth Edition    |                   2.9BSD-Seismo
3924424Swosch     |            |                      |
4042704Swosch     +----<--- 4.2BSD               2.9.1BSD
4124424Swosch     |            |                      |
4242704Swosch     +----<--- 4.3BSD -------------> 2.10BSD
4324424Swosch     |            |               /      |
4442704SwoschNinth Edition     |              / 2.10.1BSD
4524424Swosch     |         4.3BSD Tahoe-----+        |
4624424Swosch     |            |              \       |
4724424Swosch     |            |                \     |
4842704Swosch     v            |                  2.11BSD
4925031SwoschTenth Edition     |                      |
5059156Swosch                  |                  2.11BSD rev #430
5125031Swosch               4.3BSD NET/1              |
5225031Swosch                  |                      v
5324424Swosch               4.3BSD Reno
5424424Swosch                  |
5524424Swosch   *---------- 4.3BSD NET/2 -------------------+-------------*
5624424Swosch   |                    |                      |             |
5771231Sitojun386BSD 0.0              |                      |           BSD/386 ALPHA
5824424Swosch   |                    |                      |             |
5971231Sitojun386BSD 0.1 ------------>+                      |           BSD/386 0.3.[13]
6025031Swosch   |     \              |                  4.4BSD Alpha      |
6171231Sitojun   |     386BSD 1.0     |                      |           BSD/386 0.9.[34]
6224424Swosch   |                    |                  4.4BSD            |
6325031Swosch   |                    |                    / |             |
6425031Swosch   |                    |   4.4BSD-Encumbered  |             |
6571231Sitojun   |                 NetBSD 0.8                |           BSD/386 1.0
6625031Swosch   |                    |                      |             |
6771231SitojunFreeBSD 1.0          NetBSD 0.9                |           BSD/386 1.1
6870110Swosch   |                    |           .----- 4.4BSD Lite       |
6970110SwoschFreeBSD 1.1             |          /   /       |     \       |
7070110Swosch   |                    |         /   /        |      \      |
7170110SwoschFreeBSD 1.1.5       .---|--------'   /         |       \     |
7270110Swosch   |               /    |           /          |        \    |
7370110SwoschFreeBSD 1.1.5.1   /     |          /           |         \   |
7470110Swosch   |             /   NetBSD 1.0 <-'            |          \  |
7570110Swosch   |            /       |                      |           \ |
7670110SwoschFreeBSD 2.0 <--'        |                      |           BSD/OS 2.0
7770110Swosch   |                     \                     |             |
7870110SwoschFreeBSD 2.0.5             \                    |           BSD/OS 2.0.1
7980675Sasmodai   |                 .-----\------------- 4.4BSD Lite2       |
8080675Sasmodai   |                 |      \             |  |   |   |       |
8180675Sasmodai   |                 | .-----|------Rhapsody |   |   |       |
8280675Sasmodai   |                 | |     |        NetBSD 1.3 |   |       |
8380675Sasmodai   |                 | |     |           OpenBSD 2.3 |       |
8480675Sasmodai   |                 | |     |                BSD/OS 3.0     |
8580675SasmodaiFreeBSD 2.1          | |     |                               |
8680675Sasmodai |   |               | |  NetBSD 1.1 ------.               BSD/OS 2.1
8780675Sasmodai | FreeBSD 2.1.5     | |     |              \                |
8880675Sasmodai |     |             | |  NetBSD 1.2         \             BSD/OS 3.0
8980675Sasmodai | FreeBSD 2.1.6     | |     |  \          OpenBSD 2.0       |
9080675Sasmodai |     |             | |     |   \             |             |
9180675Sasmodai | FreeBSD 2.1.6.1   | |     |    \            |             |
9280675Sasmodai |     |             | |     |     \           |             |
9380675Sasmodai | FreeBSD 2.1.7     | |     |      |          |             |
9480675Sasmodai |     |             | |     |  NetBSD 1.2.1   |             |
9580675Sasmodai | FreeBSD 2.1.7.1   | |     |                 |             |
9680675Sasmodai |                   | |     |                 |             |
9780675Sasmodai |                   | |     |                 |             |
9880675Sasmodai *-FreeBSD 2.2       | |     |                 |             |
9980675Sasmodai |        \          | |     |                 |             |
10080675Sasmodai |     FreeBSD 2.2.1 | |     |                 |             |
10180675Sasmodai |         |         | |     |                 |             |
10280675Sasmodai |     FreeBSD 2.2.2 | |     |             OpenBSD 2.1       |
10380675Sasmodai |         |         | |     |                 |             |
10480675Sasmodai |     FreeBSD 2.2.5 | |     |                 |             |
10580675Sasmodai |         |         | |     |             OpenBSD 2.2       |
10680675Sasmodai |         |         | |  NetBSD 1.3           |             |
10780675Sasmodai |     FreeBSD 2.2.6 | |     |    |            |             |
10880675Sasmodai |         |         | |     | NetBSD 1.3.1    |           BSD/OS 3.1
10980675Sasmodai |         |         | |     |    |        OpenBSD 2.3       |
11080675Sasmodai |         |         | |     | NetBSD 1.3.2    |             |
11180675Sasmodai |     FreeBSD 2.2.7 | |     |    |            |             |
11280675Sasmodai |         |         | |     |    |            |           BSD/OS 4.0
11380675Sasmodai |         v         | |     |    |            |             |
11480675Sasmodai |     FreeBSD 2.2.8 | |     |    |            |             |
11580675Sasmodai |                   | |     |    |        OpenBSD 2.4       |
11680675SasmodaiFreeBSD 3.0 <--------* |     |    v            |             |
11780675Sasmodai |                     |     | NetBSD 1.3.3    |             |
11880675Sasmodai *---FreeBSD 3.1       |     |                 |             |
11980675Sasmodai |       |             |     |                 |           BSD/OS 4.0.1
12080675Sasmodai |   FreeBSD 3.2----*  |  NetBSD 1.4       OpenBSD 2.5       |
12180675Sasmodai |       |          |  |  |  |    |            |             |
12280675Sasmodai |       |          |  |  |  |    |            |             |
12380675Sasmodai |       |          |  |  |  |    |            |             |
12480675Sasmodai |   FreeBSD 3.3    |  |  |  | NetBSD 1.4.1    |             |
12580675Sasmodai |       |          |  |  |  |    |        OpenBSD 2.6       |
12680675Sasmodai |   FreeBSD 3.4    |  |  |  |    |            |             |
12780675Sasmodai |           |      |  |  |  |    |            |           BSD/OS 4.1
12880675SasmodaiFreeBSD 4.0  |      |  |  |  | NetBSD 1.4.2    |             |
12980675Sasmodai |           |      |  |  |  |    |            |             |
13080675Sasmodai |           |      |  |  |  |    |            |             |
13180675Sasmodai |   FreeBSD 3.5    |  |  |  |    |        OpenBSD 2.7       |
13280675Sasmodai |           |      |  |  |  |    |            |             |
13380675Sasmodai |   FreeBSD 3.5.1  |  |  |  |    |            |             |
13480675Sasmodai |                  |  |  |  |    |            |             |
13580675Sasmodai *---FreeBSD 4.1    |  |  |  |    |            |             |
13680675Sasmodai |      |           |  | (?) |    |            |             |
13780675Sasmodai |   FreeBSD 4.1.1  |  |  /  |    |            |             |
138101401Swosch |      |           |  | /   |    |            |             |
13980675Sasmodai |   FreeBSD 4.2   Darwin/   | NetBSD 1.4.3    |             |
140147593Shrs |      |         Mac OS X   |             OpenBSD 2.8     BSD/OS 4.2
14187200Swosch |      |             |      |                 |             |
142147593Shrs |      |             |      |                 |             |
14380675Sasmodai |      |           10.0  NetBSD 1.5           |             |
144104772Smaxim |   FreeBSD 4.3      |      |    |            |             |
145104772Smaxim |      |             |      |    |        OpenBSD 2.9       |
146104772Smaxim |      |             |      | NetBSD 1.5.1    |             |
147104772Smaxim |      |             |      |    |            |             |
148104781Sjhb |   FreeBSD 4.4-.    |      | NetBSD 1.5.2    |             |
149104781Sjhb |      |        | Mac OS X  |    |            |             |
150104781Sjhb |      |        |   10.1    |    |        OpenBSD 3.0       |
151104781Sjhb |   FreeBSD 4.5 |    |      |    |            |             |
152104781Sjhb |      |         \   |      |    |            |           BSD/OS 4.3
153104781Sjhb |   FreeBSD 4.6   \  |      |    |        OpenBSD 3.1       |
154119217Smurray |      |           \ |      | NetBSD 1.5.3    |       	     |
155147593Shrs |   FreeBSD 4.6.2 Mac OS X  |                 |             |
156147593Shrs |      |            10.2    |                 |             |
157119217Smurray |   FreeBSD 4.7      |      |                 |             |
158119217Smurray |      |             |   NetBSD 1.6       OpenBSD 3.2       |
159119217Smurray |   FreeBSD 4.8      |      |    |            |             |
160119217Smurray |      |             |      | NetBSD 1.6.1    |             |
161132652Sosa |      |--------.    |      |    |        OpenBSD 3.3     BSD/OS 5.0
162132652Sosa |      |         \   |      |    |            |             |
163132652Sosa |   FreeBSD 4.9   |  |      |    |        OpenBSD 3.4     BSD/OS 5.1 ISE
164132652Sosa |      |          |  |      |    |            |
165132652Sosa |      |          |  |      | NetBSD 1.6.2    |
166132652Sosa |      |          |  |      |    |            |
167132652Sosa |      |          |  |      |    |        OpenBSD 3.5
168132652Sosa |      |          |  |      |    v            |
169132652Sosa |   FreeBSD 4.10  |  |      |                 |
170132652Sosa |      |          |  |      |                 |
171140831Smaxim |   FreeBSD 4.11  |  |      |                 |
172140831Smaxim |      |          |  |      |                 |
173132652Sosa |      v           `-|------|-----------------|---------------------.
174132652Sosa |                    |      |                 |                      \
175132652SosaFreeBSD 5.0           |      |                 |                       |
176132652Sosa |                    |      |                 |                       |
177171778SmaximFreeBSD 5.1           |      |                 |                 DragonFly 1.0
178132652Sosa |          \         |      |                 |                       |
179132652Sosa |           ----- Mac OS X  |                 |                       |
180132652Sosa |                   10.3    |                 |                       |
181132652SosaFreeBSD 5.2           |      |                 |                       |
182132652Sosa |      |             |      |                 |                       |
183132652Sosa |   FreeBSD 5.2.1    |      |                 |                       |
184132652Sosa |                    |      |                 |                       |
185158916Smaxim *-------FreeBSD 5.3  |      |                 |                       |
186158916Smaxim |           |        |      |             OpenBSD 3.6                 |
187158916Smaxim |           |        |   NetBSD 2.0           |                       |
188171778Smaxim |           |        |      | |  |            |                DragonFly 1.2.0
189158916Smaxim |           |     Mac OS X  | | NetBSD 2.0.2  |                       |
190158916Smaxim |           |       10.4    | |  |            |                       |
191158916Smaxim |       FreeBSD 5.4  |      | |  |            |                       |
192158916Smaxim |           |        |      | |  |        OpenBSD 3.7                 |
193158916Smaxim |           |        |      | | NetBSD 2.0.3  |                       |
194158916Smaxim |           |        |      | |  |            |                       |
195158916Smaxim *--FreeBSD  |        |      | |  v        OpenBSD 3.8                 |
196158916Smaxim |    6.0    |        |      | |               |                       |
197158916Smaxim |     |     |        |      |  \              |                       |
198158916Smaxim |     |     |        |      | NetBSD 2.1      |                       |
199158916Smaxim |     |     |        |      |                 |                       |
200158916Smaxim |     |     |        |   NetBSD 3.0           |                       |
201171778Smaxim |     |     |        |      | |  |            |                DragonFly 1.4.0
202164001Smaxim |     |     |        |      | |  |        OpenBSD 3.9                 |
203164001Smaxim |  FreeBSD  |        |      | |  |            |                       |
204164001Smaxim |    6.1    |        |      | |  |            |                       |
205164001Smaxim |     |  FreeBSD 5.5 |      | |  |            |                       |
206171778Smaxim |     |              |      | | NetBSD 3.0.1  |                DragonFly 1.6.0
207164001Smaxim |     |              |      | |  |            |                       |
208166020Smaxim |     |              |      | |  |        OpenBSD 4.0                 |
209166020Smaxim |     |              |      | | NetBSD 3.0.2  |                       |
210166020Smaxim |     |              |      | NetBSD 3.1      |                       |
211166020Smaxim | FreeBSD 6.2        |      |                 |                       |
212171778Smaxim |     |              |      |                 |                DragonFly 1.8.0
213169192Smaxim |     |              |      |             OpenBSD 4.1                 |
214171777Smaxim |     |              |      |                 |                DragonFly 1.10.0
215166020Smaxim |     V              |      |                 |                       |
216152003SmaximFreeBSD 7 -current    |  NetBSD -current  OpenBSD -current             |
217152003Smaxim |                    |      |                 |                       |
218132652Sosa v                    v      v                 v                       v
21924424Swosch
22024424SwoschTime
22124424Swosch----------------
22224424Swosch
22369277SasmodaiTime tolerance +/- 6 months, depending on which book/article you read; if it
22469277Sasmodaiwas the announcement in Usenet or if it was available as tape.
22524424Swosch
22625031Swosch[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
22725031Swosch	and John Quarterman. The Design and Implementation of
22825031Swosch	the 4.4BSD Operating System.
22980675Sasmodai[APL] Apple website [http://www.apple.com/macosx/]
230104782Sjhb[BSDI] Berkeley Software Design, Inc.
231144864Smaxim[DFB] DragonFlyBSD Project, The.
23225031Swosch[DOC] README, COPYRIGHT on tape.
233104782Sjhb[FBD] FreeBSD Project, The.
234104782Sjhb[KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
235104782Sjhb	Volume 11, Info 4, April, 1987.
236104797Sjhb[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
237104797Sjhb	comp.bugs.4bsd.ucb-fixes, June 15, 1988.
23825031Swosch[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
23925031Swosch	Changes in the Kernel in 2.9BSD. Second Berkeley Software
24025031Swosch	Distribution UNIX Version 2.9, July, 1983.
24145349Swosch[NBD] NetBSD Project, The.
24245349Swosch[OBD] OpenBSD Project, The.
243104782Sjhb[QCU] Salus, Peter H. A quarter century of UNIX.
244104782Sjhb[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
245104782Sjhb[USE] Usenet announcement.
246104782Sjhb[WRS] Wind River Systems, Inc.
24742704Swosch[dmr] Dennis Ritchie, via E-Mail
24825031Swosch
24924424SwoschMultics                 1965
25059769SgrogUNIX                    Summer 1969
25125031Swosch				DEC PDP-7
25225031SwoschFirst   Edition         1971-11-03 [QCU]
25325031Swosch				DEC PDP-11/20, Assembler
25425031SwoschSecond  Edition         1972-06-12 [QCU]
25559769Sgrog				10 UNIX installations
25625031SwoschThird   Edition         1973-02-xx [QCU]
25725031Swosch				Pipes, 16 installations
25825031SwoschFourth  Edition         1973-11-xx [QCU]
25925031Swosch				rewriting in C effected,
26024424Swosch                                above 30 installations
26125031SwoschFifth   Edition         1974-06-xx [QCU]
26225031Swosch				above 50 installations
26325031SwoschSixth   Edition         1975-05-xx [QCU]
26425031Swosch				port to DEC Vax
26525031SwoschSeventh Edition         1979-01-xx [QCU]
26659769Sgrog				first portable UNIX
26759769SgrogEighth  Edition         1985-02-xx [QCU]
26842704Swosch				VAX 11/750, VAX 11/780 [dmr]
26942704Swosch				descended from 4.1c BSD [dmr]
27042704Swosch				descended from 4.1 BSD [44B]
27170110Swosch			scooping-out and replacement of the character-device
27242704Swosch			and networking part by the streams mechanism
27342704Swosch
27425031SwoschNinth   Edition         1986-09-xx [QCU]
27525031SwoschTenth   Edition         1989-10-xx [QCU]
27624424Swosch
27725031Swosch1BSD                    late 1977
27825031Swosch			1978-03-09 [QCU]
27925031Swosch				PDP-11, Pascal, ex(1)
28025031Swosch				30 free copies of 1BSD sent out
28125031Swosch				35 tapes sold for 50 USD [QCU]
28225031Swosch2BSD                    mid 1978 [QCU]
28325031Swosch				75 2BSD tapes shipped
28425031Swosch2.7.9BSD		?? [SMS]
28525031Swosch2.8BSD			1981-07-xx [KSJ]
28624424Swosch
28725031Swosch2.8.1BSD		1982-01-xx [QCU]
28825031Swosch				set of performance improvements
28925031Swosch2.9BSD			1983-07-xx [KSJ]
29025031Swosch2.9.1BSD                1983-11-xx
29125031Swosch2.9BSD-Seismo		1985-08-xx [SMS]
29225031Swosch2.10BSD			1987-04-xx [KKK]
29325031Swosch2.10.1BSD		1989-01-xx [SMS]
29425031Swosch2.11BSD			1992-02-xx [SMS]
29559156Swosch2.11BSD rev #430	1999-12-13 [SMS]
29625031Swosch
29725031Swosch32V			1978-1[01]-xx [QCU]
29825031Swosch3BSD                    late 1979 [QCU]
29925031Swosch				virtual memory, page replacement,
30025031Swosch                        	demand paging
30125031Swosch4.0BSD                  1980-10-xx
30289981Sjoe4.1BSD                  1981-07-08 [DOC]
30325031Swosch4.1aBSD                 1982-04-xx
30425031Swosch				alpha release, 100 sites, networking [44B]
30525031Swosch4.1bBSD				internal release, fast filesystem [44B]
30624424Swosch4.1cBSD                 late 1982
30725031Swosch				beta release, IPC [44B]
30825031Swosch4.2BSD                  1983-09-xx [QCU]
30989981Sjoe                        1983-08-03 [DOC]
31025031Swosch4.3BSD                  1986-06-xx [QCU]
31189981Sjoe			1986-04-05 [KB], [DOC]
31289981Sjoe4.3BSD Tahoe            1988-06-15 [QCU], [DOC]
31325031Swosch4.3BSD NET/1            1988-11-xx [QCU]
31489981Sjoe                        1989-01-01 [DOC]
31589981Sjoe4.3BSD Reno             1990-06-29 [QCU], [DOC]
31689981Sjoe4.3BSD NET/2            1991-06-28 [QCU], [DOC]
31770110Swosch
31871231SitojunBSD/386 ALPHA		1991-12-xx [BSDI]
31970110Swosch				first code released to people outside BSDI
32025031Swosch386BSD 0.0              1992-02-xx [DOC]
32171231SitojunBSD/386 0.3.1	        1992-04-xx [BSDI] first ext. beta; B customers
32271231SitojunBSD/386 0.3.3		1992-06-xx [BSDI] first CDROM version
32369278Sasmodai386BSD 0.1              1992-07-28 [DOC]
32425031Swosch4.4BSD Alpha            1992-07-07
32571231SitojunBSD/386 0.9.3		1992-10-xx [BSDI]
32670110Swosch				first external gamma; G customers
32771231SitojunBSD/386 0.9.4		1992-12-xx [BSDI]
32870110Swosch				would have been 1.0 except for request
32970110Swosch				for preliminary injunction
33071231SitojunBSD/386 1.0 		1993-03-xx [BSDI]
33170110Swosch				injunction denied; first official release
33257000SwoschNetBSD 0.8              1993-04-20 [NBD]
33325031Swosch4.4BSD                  1993-06-01 [USE]
33445349SwoschNetBSD 0.9              1993-08-23 [NBD]
33578270SnikFreeBSD 1.0		1993-11-01 [FBD]
336170145SimpFreeBSD 1.0.2		1993-11-14 [FBD]
337170145Simp				supersedes 1.0 13 days after release.
33871231SitojunBSD/386 1.1		1994-02-xx [BSDI]
33925031Swosch4.4BSD Lite             1994-03-01 [USE]
340147051SmaximFreeBSD 1.1		1994-05-07 [FBD]
341147051SmaximFreeBSD 1.1.5		1994-06-30 [FBD]
342147051SmaximFreeBSD 1.1.5.1		1994-07-05 [FBD]
343147051Smaxim				supersedes 1.1.5 5 days after release.
34457000SwoschNetBSD 1.0              1994-10-26 [NBD]
34538440Sjkh386BSD 1.0              1994-11-12 [USE]
346147055SmaximFreeBSD 2.0		1994-11-23 [FBD]
34770110SwoschBSD/OS 2.0		1995-01-xx [BSDI] 4.4 lite based
34869278SasmodaiFreeBSD 2.0.5		1995-06-10 [FBD]
34970110SwoschBSD/OS 2.0.1		1995-06-xx [BSDI]
35025031Swosch4.4BSD Lite Release 2	1995-06-xx [44B]
35125031Swosch				the true final distribution from the CSRG
35269278SasmodaiFreeBSD 2.1.0		1995-11-19 [FBD]
35345349SwoschNetBSD 1.1              1995-11-26 [NBD]
35470110SwoschBSD/OS 2.1		1996-01-xx [BSDI]
35569278SasmodaiFreeBSD 2.1.5		1996-07-14 [FBD]
35645349SwoschNetBSD 1.2              1996-10-04 [NBD]
35745349SwoschOpenBSD 2.0             1996-10-18 [OBD]
35869278SasmodaiFreeBSD 2.1.6		1996-11-16 [FBD]
35969278SasmodaiFreeBSD 2.1.6.1		1996-11-25 [FBD] (sendmail security release)
36080675SasmodaiRhapsody		1997-xx-xx
36169278SasmodaiFreeBSD 2.1.7		1997-02-20 [FBD]
36270110SwoschBSD/OS 3.0		1997-02-xx [BSDI] 4.4 lite2 based
36369278SasmodaiFreeBSD 2.2.0		1997-03-16 [FBD]
36469278SasmodaiFreeBSD 2.2.1		1997-03-25 [FBD]
36569278SasmodaiFreeBSD 2.2.2		1997-05-16 [FBD]
36657000SwoschNetBSD 1.2.1            1997-05-20 [NBD] (patch release)
36745349SwoschOpenBSD 2.1             1997-06-01 [OBD]
36869277SasmodaiFreeBSD 2.2.5		1997-10-22 [FBD]
36945349SwoschOpenBSD 2.2             1997-12-01 [OBD]
37066542SitojunNetBSD 1.3              1998-01-04 [NBD]
37169277SasmodaiFreeBSD 2.2.6		1998-03-25 [FBD]
37257000SwoschNetBSD 1.3.1            1998-03-09 [NBD] (patch release)
37370110SwoschBSD/OS 3.1		1998-03-xx [BSDI]
37445349SwoschOpenBSD 2.3             1998-05-19 [OBD]
37557000SwoschNetBSD 1.3.2            1998-05-29 [NBD] (patch release)
37669277SasmodaiFreeBSD 2.2.7		1998-07-22 [FBD]
37770110SwoschBSD/OS 4.0		1998-08-xx [BSDI]
37870110Swosch				2-lock MP support, ELF executables
37942589SwoschFreeBSD 3.0		1998-10-16 [FBD]
38070110Swosch				FreeBSD-3.0 is a snapshot from -current,
38170110Swosch				while 3.1 and 3.2 are from 3.x-stable which
38246321Swosch				was branched quite some time after 3.0-release
38345349SwoschFreeBSD 2.2.8           1998-11-29 [FBD]
38445349SwoschOpenBSD 2.4             1998-12-01 [OBD]
38557000SwoschNetBSD 1.3.3            1998-12-23 [NBD] (patch release)
38646318SwoschFreeBSD 3.1		1999-02-15 [FBD]
38770110SwoschBSD/OS 4.0.1		1999-03-xx [BSDI]
38856406SwoschNetBSD 1.4              1999-05-12 [NBD]
38955389SbillfFreeBSD 3.2             1999-05-17 [FBD]
39055389SbillfOpenBSD 2.5             1999-05-19 [OBD]
39157000SwoschNetBSD 1.4.1            1999-08-26 [NBD] (patch release)
39255389SbillfFreeBSD 3.3             1999-09-17 [FBD]
39355389SbillfOpenBSD 2.6             1999-12-01 [OBD]
39455389SbillfFreeBSD 3.4             1999-12-20 [FBD]
39570110SwoschBSD/OS 4.1		1999-12-xx [BSDI]
39658448SwoschFreeBSD 4.0             2000-03-13 [FBD]
39758448SwoschNetBSD 1.4.2            2000-03-19 [NBD] (patch release)
39865412SwoschOpenBSD 2.7             2000-06-15 [OBD]
39964612SalexFreeBSD 3.5		2000-06-24 [FBD]
40064612SalexFreeBSD 4.1		2000-07-27 [FBD]
40165411SwoschFreeBSD 3.5.1		2000-07-28 [FBD]
40265974SwoschFreeBSD 4.1.1		2000-09-25 [FBD] (a network-only patch release)
40369277SasmodaiFreeBSD 4.2  		2000-11-21 [FBD]
40469277SasmodaiNetBSD 1.4.3		2000-11-25 [NBD] (patch release)
40570119SwoschBSD/OS 4.2		2000-11-29 [BSDI]
40669277SasmodaiOpenBSD 2.8		2000-12-01 [OBD]
40770111SwoschNetBSD 1.5              2000-12-06 [NBD]
40880675SasmodaiMac OS X 10.0           2001-03-24 [APL]
40975833SwoschFreeBSD 4.3  		2001-04-20 [FBD]
41078867SitojunOpenBSD 2.9  		2001-06-01 [OBD]
41179603SitojunNetBSD 1.5.1		2001-07-11 [NBD] (patch release)
41284087SwoschNetBSD 1.5.2		2001-09-13 [NBD] (patch release)
41383686SobrienFreeBSD 4.4  		2001-09-18 [FBD]
414104797SjhbMac OS X 10.1		2001-09-29 [APL]
41587201SwoschOpenBSD 3.0		2001-12-01 [OBD]
41692013SwoschFreeBSD 4.5  		2002-01-29 [FBD]
417104772SmaximBSD/OS 4.3		2002-03-14 [WRS]
418101331SwoschOpenBSD 3.1		2002-05-19 [OBD]
419101331SwoschFreeBSD 4.6  		2002-06-15 [FBD]
420104797SjhbNetBSD 1.5.3		2002-07-22 [NBD] (patch release)
421104781SjhbFreeBSD 4.6.2		2002-08-15 [FBD] (patch release)
422104781SjhbMac OS X 10.2		2002-08-23 [APL]
423104781SjhbNetBSD 1.6		2002-09-14 [NBD]
424104659SmurrayFreeBSD 4.7		2002-10-08 [FBD]
425106406SmaximOpenBSD 3.2		2002-11-01 [OBD]
426111949SwoschFreeBSD 5.0		2003-01-17 [FBD]
427111949Swosch				FreeBSD 5.0 is a separate branch off of
428111949Swosch				-current, similar to 3.0.
429113054SmurrayFreeBSD 4.8		2003-04-03 [FBD]
430114211SwoschNetBSD 1.6.1		2003-04-21 [NBD] (patch release)
431114572SwoschOpenBSD 3.3		2003-05-01 [OBD]
432119217SmurrayBSD/OS 5.0		2003-05-?? [WRS]
433119217SmurrayFreeBSD 5.1		2003-06-09 [FBD]
434121648SmurrayMac OS X 10.3		2003-10-24 [APL]
435121648SmurrayFreeBSD 4.9		2003-10-28 [FBD]
436126724SwoschBSD/OS 5.1 ISE		2003-10-?? [WRS] (final version)
437121787SwoschOpenBSD 3.4		2003-11-01 [OBD]
438124462SmaximFreeBSD 5.2		2004-01-12 [FBD]
439126235SwoschFreeBSD 5.2.1		2004-02-22 [FBD] (patch release)
440128863SmaximNetBSD 1.6.2		2004-03-01 [NBD] (patch release)
441128863SmaximOpenBSD 3.5		2004-04-01 [OBD]
442129793ShrsFreeBSD 4.10		2004-05-27 [FBD]
443144864SmaximDragonFly 1.0		2004-07-12 [DFB]
444137120SmaximOpenBSD 3.6		2004-10-29 [OBD]
445137326ShrsFreeBSD 5.3		2004-11-06 [FBD]
446138844SmaximNetBSD 2.0		2004-12-09 [NBD]
447140831SmaximFreeBSD 4.11		2005-01-25 [FBD]
448144864SmaximDragonFly 1.2.0		2005-04-08 [DFB]
449147593ShrsNetBSD 2.0.2		2005-04-14 [NBD] (security/critical release)
450146091SmaximMac OS X 10.4		2005-04-29 [APL]
451146071SmaximFreeBSD 5.4		2005-05-09 [FBD]
452146433SmaximOpenBSD 3.7		2005-05-19 [OBD]
453152004SmaximNetBSD 2.0.3		2005-10-31 [NBD] (security/critical release)
454151926SmaximOpenBSD 3.8		2005-11-01 [OBD]
455152003SmaximFreeBSD 6.0		2005-11-01 [FBD]
456152004SmaximNetBSD 2.1		2005-11-02 [NBD]
457153699SmaximNetBSD 3.0		2005-12-23 [NBD]
458154120SmaximDragonFly 1.4.0		2006-01-08 [DFB]
459158234SmaximOpenBSD 3.9		2006-05-01 [OBD]
460158956SmaximFreeBSD 6.1		2006-05-08 [FBD]
461158956SmaximFreeBSD 5.5		2006-05-25 [FBD]
462160877SmaximNetBSD 3.0.1		2006-07-24 [NBD] (security/critical release)
463160663SmaximDragonFly 1.6.0		2006-07-24 [DFB]
464163859SmaximOpenBSD 4.0		2006-11-01 [OBD]
465164001SmaximNetBSD 3.0.2		2006-11-04 [NBD] (security/critical release)
466164001SmaximNetBSD 3.1		2006-11-04 [NBD]
467166020SmaximFreeBSD 6.2		2007-01-15 [FBD]
468166362SmaximDragonFly 1.8.0		2007-01-30 [DFB]
469169192SmaximOpenBSD 4.1		2007-05-01 [OBD]
470171777SmaximDragonFly 1.10.0	2007-08-06 [DFB]
47124424Swosch
47224424SwoschBibliography
47324424Swosch------------------------
47424424Swosch
47524424SwoschLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
47624424SwoschQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating
47724424SwoschSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
47824424Swosch
47924424SwoschSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
48024424SwoschCompany, Inc., 1994. ISBN 0-201-54777-5
48124424Swosch
48224424SwoschMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
48324424SwoschQuarterman. The Design and Implementation of the 4.4BSD Operating
48424424SwoschSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
48524424Swosch
486134378SosaMcKusick, Marshall Kirk, George Neville-Neil. The Design and
487134378SosaImplementation of the FreeBSD Operating System.
488134378SosaAddison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2
489134378Sosa
49025031SwoschDoug McIlroy. Research Unix Reader.
49125031Swosch
49224424SwoschMichael G. Brown. The Role of BSD in the Development of Unix.
49324424SwoschPresented to the Tasmanian Unix Special Interest Group of the
49424424SwoschAustralian Computer Society, Hobart, August 1993.
49524424Swosch
49659769SgrogPeter H. Salus. Unix at 25. Byte Magazine, October 1994.
497147051SmaximURL: http://www.byte.com/art/9410/sec8/art3.htm
49824424Swosch
49925031SwoschAndreas Klemm, Lars K�ller. If you're going to San Francisco ...
50025031SwoschDie freien BSD-Varianten von Unix. c't April 1997, page 368ff.
50125031Swosch
50225031SwoschBSD Release Announcements collection.
50359769SgrogURL: http://www.de.FreeBSD.org/de/ftp/releases/
50425031Swosch
50531658SwoschBSD Hypertext Man Pages
50679514SitojunURL: http://www.FreeBSD.org/cgi/man.cgi
50731658Swosch
50859769SgrogUNIX history graphing project
50979514SitojunURL: http://minnie.tuhs.org/Unix_History/index.html
51059769Sgrog
51165415SwoschUNIX history
512104786SjhbURL: http://www.levenez.com/unix/
51365415Swosch
51475834SwoschJames Howard: The BSD Family Tree
515156214SmaximURL: http://ezine.daemonnews.org/200104/bsd_family.html
51675834Swosch("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
51775834Swosch
51875834Swosch
51925031SwoschAcknowledgments
52025031Swosch---------------
52125031Swosch
52259769SgrogJosh Gilliam for suggestions, bug fixes, and finding very old
52325031Swoschoriginal BSD announcements from Usenet or tapes.
52425031Swosch
52531658SwoschSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
52625031Swosch
52724424Swosch--
528166020SmaximCopyright (c) 1997-2007 Wolfram Schneider <wosch@FreeBSD.ORG>
529121787SwoschURL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree
53042589Swosch
53150970Speter$FreeBSD: head/share/misc/bsd-family-tree 171778 2007-08-07 15:35:24Z maxim $
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