bsd-family-tree revision 175454
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
215173289Smaxim |     |              |      |             OpenBSD 4.2                 |
216174783Smaxim |     |              |   NetBSD 4.0           |                       |
217175454Smaxim | FreeBSD 6.3        |      |                 |                       |
218175454Smaxim |                    |      |                 |                       |
219175454Smaxim |                    |      |                 |                       |
220152003SmaximFreeBSD 7 -current    |  NetBSD -current  OpenBSD -current             |
221152003Smaxim |                    |      |                 |                       |
222132652Sosa v                    v      v                 v                       v
22324424Swosch
22424424SwoschTime
22524424Swosch----------------
22624424Swosch
22769277SasmodaiTime tolerance +/- 6 months, depending on which book/article you read; if it
22869277Sasmodaiwas the announcement in Usenet or if it was available as tape.
22924424Swosch
23025031Swosch[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
23125031Swosch	and John Quarterman. The Design and Implementation of
23225031Swosch	the 4.4BSD Operating System.
23380675Sasmodai[APL] Apple website [http://www.apple.com/macosx/]
234104782Sjhb[BSDI] Berkeley Software Design, Inc.
235144864Smaxim[DFB] DragonFlyBSD Project, The.
23625031Swosch[DOC] README, COPYRIGHT on tape.
237104782Sjhb[FBD] FreeBSD Project, The.
238104782Sjhb[KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
239104782Sjhb	Volume 11, Info 4, April, 1987.
240104797Sjhb[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
241104797Sjhb	comp.bugs.4bsd.ucb-fixes, June 15, 1988.
24225031Swosch[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
24325031Swosch	Changes in the Kernel in 2.9BSD. Second Berkeley Software
24425031Swosch	Distribution UNIX Version 2.9, July, 1983.
24545349Swosch[NBD] NetBSD Project, The.
24645349Swosch[OBD] OpenBSD Project, The.
247104782Sjhb[QCU] Salus, Peter H. A quarter century of UNIX.
248104782Sjhb[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
249104782Sjhb[USE] Usenet announcement.
250104782Sjhb[WRS] Wind River Systems, Inc.
25142704Swosch[dmr] Dennis Ritchie, via E-Mail
25225031Swosch
25324424SwoschMultics                 1965
25459769SgrogUNIX                    Summer 1969
25525031Swosch				DEC PDP-7
25625031SwoschFirst   Edition         1971-11-03 [QCU]
25725031Swosch				DEC PDP-11/20, Assembler
25825031SwoschSecond  Edition         1972-06-12 [QCU]
25959769Sgrog				10 UNIX installations
26025031SwoschThird   Edition         1973-02-xx [QCU]
26125031Swosch				Pipes, 16 installations
26225031SwoschFourth  Edition         1973-11-xx [QCU]
26325031Swosch				rewriting in C effected,
26424424Swosch                                above 30 installations
26525031SwoschFifth   Edition         1974-06-xx [QCU]
26625031Swosch				above 50 installations
26725031SwoschSixth   Edition         1975-05-xx [QCU]
26825031Swosch				port to DEC Vax
26925031SwoschSeventh Edition         1979-01-xx [QCU]
27059769Sgrog				first portable UNIX
27159769SgrogEighth  Edition         1985-02-xx [QCU]
27242704Swosch				VAX 11/750, VAX 11/780 [dmr]
27342704Swosch				descended from 4.1c BSD [dmr]
27442704Swosch				descended from 4.1 BSD [44B]
27570110Swosch			scooping-out and replacement of the character-device
27642704Swosch			and networking part by the streams mechanism
27742704Swosch
27825031SwoschNinth   Edition         1986-09-xx [QCU]
27925031SwoschTenth   Edition         1989-10-xx [QCU]
28024424Swosch
28125031Swosch1BSD                    late 1977
28225031Swosch			1978-03-09 [QCU]
28325031Swosch				PDP-11, Pascal, ex(1)
28425031Swosch				30 free copies of 1BSD sent out
28525031Swosch				35 tapes sold for 50 USD [QCU]
28625031Swosch2BSD                    mid 1978 [QCU]
28725031Swosch				75 2BSD tapes shipped
28825031Swosch2.7.9BSD		?? [SMS]
28925031Swosch2.8BSD			1981-07-xx [KSJ]
29024424Swosch
29125031Swosch2.8.1BSD		1982-01-xx [QCU]
29225031Swosch				set of performance improvements
29325031Swosch2.9BSD			1983-07-xx [KSJ]
29425031Swosch2.9.1BSD                1983-11-xx
29525031Swosch2.9BSD-Seismo		1985-08-xx [SMS]
29625031Swosch2.10BSD			1987-04-xx [KKK]
29725031Swosch2.10.1BSD		1989-01-xx [SMS]
29825031Swosch2.11BSD			1992-02-xx [SMS]
29959156Swosch2.11BSD rev #430	1999-12-13 [SMS]
30025031Swosch
30125031Swosch32V			1978-1[01]-xx [QCU]
30225031Swosch3BSD                    late 1979 [QCU]
30325031Swosch				virtual memory, page replacement,
30425031Swosch                        	demand paging
30525031Swosch4.0BSD                  1980-10-xx
30689981Sjoe4.1BSD                  1981-07-08 [DOC]
30725031Swosch4.1aBSD                 1982-04-xx
30825031Swosch				alpha release, 100 sites, networking [44B]
30925031Swosch4.1bBSD				internal release, fast filesystem [44B]
31024424Swosch4.1cBSD                 late 1982
31125031Swosch				beta release, IPC [44B]
31225031Swosch4.2BSD                  1983-09-xx [QCU]
31389981Sjoe                        1983-08-03 [DOC]
31425031Swosch4.3BSD                  1986-06-xx [QCU]
31589981Sjoe			1986-04-05 [KB], [DOC]
31689981Sjoe4.3BSD Tahoe            1988-06-15 [QCU], [DOC]
31725031Swosch4.3BSD NET/1            1988-11-xx [QCU]
31889981Sjoe                        1989-01-01 [DOC]
31989981Sjoe4.3BSD Reno             1990-06-29 [QCU], [DOC]
32089981Sjoe4.3BSD NET/2            1991-06-28 [QCU], [DOC]
32170110Swosch
32271231SitojunBSD/386 ALPHA		1991-12-xx [BSDI]
32370110Swosch				first code released to people outside BSDI
32425031Swosch386BSD 0.0              1992-02-xx [DOC]
32571231SitojunBSD/386 0.3.1	        1992-04-xx [BSDI] first ext. beta; B customers
32671231SitojunBSD/386 0.3.3		1992-06-xx [BSDI] first CDROM version
32769278Sasmodai386BSD 0.1              1992-07-28 [DOC]
32825031Swosch4.4BSD Alpha            1992-07-07
32971231SitojunBSD/386 0.9.3		1992-10-xx [BSDI]
33070110Swosch				first external gamma; G customers
33171231SitojunBSD/386 0.9.4		1992-12-xx [BSDI]
33270110Swosch				would have been 1.0 except for request
33370110Swosch				for preliminary injunction
33471231SitojunBSD/386 1.0 		1993-03-xx [BSDI]
33570110Swosch				injunction denied; first official release
33657000SwoschNetBSD 0.8              1993-04-20 [NBD]
33725031Swosch4.4BSD                  1993-06-01 [USE]
33845349SwoschNetBSD 0.9              1993-08-23 [NBD]
33978270SnikFreeBSD 1.0		1993-11-01 [FBD]
340170145SimpFreeBSD 1.0.2		1993-11-14 [FBD]
341170145Simp				supersedes 1.0 13 days after release.
34271231SitojunBSD/386 1.1		1994-02-xx [BSDI]
34325031Swosch4.4BSD Lite             1994-03-01 [USE]
344147051SmaximFreeBSD 1.1		1994-05-07 [FBD]
345147051SmaximFreeBSD 1.1.5		1994-06-30 [FBD]
346147051SmaximFreeBSD 1.1.5.1		1994-07-05 [FBD]
347147051Smaxim				supersedes 1.1.5 5 days after release.
34857000SwoschNetBSD 1.0              1994-10-26 [NBD]
34938440Sjkh386BSD 1.0              1994-11-12 [USE]
350147055SmaximFreeBSD 2.0		1994-11-23 [FBD]
35170110SwoschBSD/OS 2.0		1995-01-xx [BSDI] 4.4 lite based
35269278SasmodaiFreeBSD 2.0.5		1995-06-10 [FBD]
35370110SwoschBSD/OS 2.0.1		1995-06-xx [BSDI]
35425031Swosch4.4BSD Lite Release 2	1995-06-xx [44B]
35525031Swosch				the true final distribution from the CSRG
35669278SasmodaiFreeBSD 2.1.0		1995-11-19 [FBD]
35745349SwoschNetBSD 1.1              1995-11-26 [NBD]
35870110SwoschBSD/OS 2.1		1996-01-xx [BSDI]
35969278SasmodaiFreeBSD 2.1.5		1996-07-14 [FBD]
36045349SwoschNetBSD 1.2              1996-10-04 [NBD]
36145349SwoschOpenBSD 2.0             1996-10-18 [OBD]
36269278SasmodaiFreeBSD 2.1.6		1996-11-16 [FBD]
36369278SasmodaiFreeBSD 2.1.6.1		1996-11-25 [FBD] (sendmail security release)
36480675SasmodaiRhapsody		1997-xx-xx
36569278SasmodaiFreeBSD 2.1.7		1997-02-20 [FBD]
36670110SwoschBSD/OS 3.0		1997-02-xx [BSDI] 4.4 lite2 based
36769278SasmodaiFreeBSD 2.2.0		1997-03-16 [FBD]
36869278SasmodaiFreeBSD 2.2.1		1997-03-25 [FBD]
36969278SasmodaiFreeBSD 2.2.2		1997-05-16 [FBD]
37057000SwoschNetBSD 1.2.1            1997-05-20 [NBD] (patch release)
37145349SwoschOpenBSD 2.1             1997-06-01 [OBD]
37269277SasmodaiFreeBSD 2.2.5		1997-10-22 [FBD]
37345349SwoschOpenBSD 2.2             1997-12-01 [OBD]
37466542SitojunNetBSD 1.3              1998-01-04 [NBD]
37569277SasmodaiFreeBSD 2.2.6		1998-03-25 [FBD]
37657000SwoschNetBSD 1.3.1            1998-03-09 [NBD] (patch release)
37770110SwoschBSD/OS 3.1		1998-03-xx [BSDI]
37845349SwoschOpenBSD 2.3             1998-05-19 [OBD]
37957000SwoschNetBSD 1.3.2            1998-05-29 [NBD] (patch release)
38069277SasmodaiFreeBSD 2.2.7		1998-07-22 [FBD]
38170110SwoschBSD/OS 4.0		1998-08-xx [BSDI]
38270110Swosch				2-lock MP support, ELF executables
38342589SwoschFreeBSD 3.0		1998-10-16 [FBD]
38470110Swosch				FreeBSD-3.0 is a snapshot from -current,
38570110Swosch				while 3.1 and 3.2 are from 3.x-stable which
38646321Swosch				was branched quite some time after 3.0-release
38745349SwoschFreeBSD 2.2.8           1998-11-29 [FBD]
38845349SwoschOpenBSD 2.4             1998-12-01 [OBD]
38957000SwoschNetBSD 1.3.3            1998-12-23 [NBD] (patch release)
39046318SwoschFreeBSD 3.1		1999-02-15 [FBD]
39170110SwoschBSD/OS 4.0.1		1999-03-xx [BSDI]
39256406SwoschNetBSD 1.4              1999-05-12 [NBD]
39355389SbillfFreeBSD 3.2             1999-05-17 [FBD]
39455389SbillfOpenBSD 2.5             1999-05-19 [OBD]
39557000SwoschNetBSD 1.4.1            1999-08-26 [NBD] (patch release)
39655389SbillfFreeBSD 3.3             1999-09-17 [FBD]
39755389SbillfOpenBSD 2.6             1999-12-01 [OBD]
39855389SbillfFreeBSD 3.4             1999-12-20 [FBD]
39970110SwoschBSD/OS 4.1		1999-12-xx [BSDI]
40058448SwoschFreeBSD 4.0             2000-03-13 [FBD]
40158448SwoschNetBSD 1.4.2            2000-03-19 [NBD] (patch release)
40265412SwoschOpenBSD 2.7             2000-06-15 [OBD]
40364612SalexFreeBSD 3.5		2000-06-24 [FBD]
40464612SalexFreeBSD 4.1		2000-07-27 [FBD]
40565411SwoschFreeBSD 3.5.1		2000-07-28 [FBD]
40665974SwoschFreeBSD 4.1.1		2000-09-25 [FBD] (a network-only patch release)
40769277SasmodaiFreeBSD 4.2  		2000-11-21 [FBD]
40869277SasmodaiNetBSD 1.4.3		2000-11-25 [NBD] (patch release)
40970119SwoschBSD/OS 4.2		2000-11-29 [BSDI]
41069277SasmodaiOpenBSD 2.8		2000-12-01 [OBD]
41170111SwoschNetBSD 1.5              2000-12-06 [NBD]
41280675SasmodaiMac OS X 10.0           2001-03-24 [APL]
41375833SwoschFreeBSD 4.3  		2001-04-20 [FBD]
41478867SitojunOpenBSD 2.9  		2001-06-01 [OBD]
41579603SitojunNetBSD 1.5.1		2001-07-11 [NBD] (patch release)
41684087SwoschNetBSD 1.5.2		2001-09-13 [NBD] (patch release)
41783686SobrienFreeBSD 4.4  		2001-09-18 [FBD]
418104797SjhbMac OS X 10.1		2001-09-29 [APL]
41987201SwoschOpenBSD 3.0		2001-12-01 [OBD]
42092013SwoschFreeBSD 4.5  		2002-01-29 [FBD]
421104772SmaximBSD/OS 4.3		2002-03-14 [WRS]
422101331SwoschOpenBSD 3.1		2002-05-19 [OBD]
423101331SwoschFreeBSD 4.6  		2002-06-15 [FBD]
424104797SjhbNetBSD 1.5.3		2002-07-22 [NBD] (patch release)
425104781SjhbFreeBSD 4.6.2		2002-08-15 [FBD] (patch release)
426104781SjhbMac OS X 10.2		2002-08-23 [APL]
427104781SjhbNetBSD 1.6		2002-09-14 [NBD]
428104659SmurrayFreeBSD 4.7		2002-10-08 [FBD]
429106406SmaximOpenBSD 3.2		2002-11-01 [OBD]
430111949SwoschFreeBSD 5.0		2003-01-17 [FBD]
431111949Swosch				FreeBSD 5.0 is a separate branch off of
432111949Swosch				-current, similar to 3.0.
433113054SmurrayFreeBSD 4.8		2003-04-03 [FBD]
434114211SwoschNetBSD 1.6.1		2003-04-21 [NBD] (patch release)
435114572SwoschOpenBSD 3.3		2003-05-01 [OBD]
436119217SmurrayBSD/OS 5.0		2003-05-?? [WRS]
437119217SmurrayFreeBSD 5.1		2003-06-09 [FBD]
438121648SmurrayMac OS X 10.3		2003-10-24 [APL]
439121648SmurrayFreeBSD 4.9		2003-10-28 [FBD]
440126724SwoschBSD/OS 5.1 ISE		2003-10-?? [WRS] (final version)
441121787SwoschOpenBSD 3.4		2003-11-01 [OBD]
442124462SmaximFreeBSD 5.2		2004-01-12 [FBD]
443126235SwoschFreeBSD 5.2.1		2004-02-22 [FBD] (patch release)
444128863SmaximNetBSD 1.6.2		2004-03-01 [NBD] (patch release)
445128863SmaximOpenBSD 3.5		2004-04-01 [OBD]
446129793ShrsFreeBSD 4.10		2004-05-27 [FBD]
447144864SmaximDragonFly 1.0		2004-07-12 [DFB]
448137120SmaximOpenBSD 3.6		2004-10-29 [OBD]
449137326ShrsFreeBSD 5.3		2004-11-06 [FBD]
450138844SmaximNetBSD 2.0		2004-12-09 [NBD]
451140831SmaximFreeBSD 4.11		2005-01-25 [FBD]
452144864SmaximDragonFly 1.2.0		2005-04-08 [DFB]
453147593ShrsNetBSD 2.0.2		2005-04-14 [NBD] (security/critical release)
454146091SmaximMac OS X 10.4		2005-04-29 [APL]
455146071SmaximFreeBSD 5.4		2005-05-09 [FBD]
456146433SmaximOpenBSD 3.7		2005-05-19 [OBD]
457152004SmaximNetBSD 2.0.3		2005-10-31 [NBD] (security/critical release)
458151926SmaximOpenBSD 3.8		2005-11-01 [OBD]
459152003SmaximFreeBSD 6.0		2005-11-01 [FBD]
460152004SmaximNetBSD 2.1		2005-11-02 [NBD]
461153699SmaximNetBSD 3.0		2005-12-23 [NBD]
462154120SmaximDragonFly 1.4.0		2006-01-08 [DFB]
463158234SmaximOpenBSD 3.9		2006-05-01 [OBD]
464158956SmaximFreeBSD 6.1		2006-05-08 [FBD]
465158956SmaximFreeBSD 5.5		2006-05-25 [FBD]
466160877SmaximNetBSD 3.0.1		2006-07-24 [NBD] (security/critical release)
467160663SmaximDragonFly 1.6.0		2006-07-24 [DFB]
468163859SmaximOpenBSD 4.0		2006-11-01 [OBD]
469164001SmaximNetBSD 3.0.2		2006-11-04 [NBD] (security/critical release)
470164001SmaximNetBSD 3.1		2006-11-04 [NBD]
471166020SmaximFreeBSD 6.2		2007-01-15 [FBD]
472166362SmaximDragonFly 1.8.0		2007-01-30 [DFB]
473169192SmaximOpenBSD 4.1		2007-05-01 [OBD]
474171777SmaximDragonFly 1.10.0	2007-08-06 [DFB]
475173289SmaximOpenBSD 4.2		2007-11-01 [OBD]
476174783SmaximNetBSD 4.0		2007-12-19 [NBD]
477175454SmaximFreeBSD 6.3		2008-01-18 [FBD]
47824424Swosch
47924424SwoschBibliography
48024424Swosch------------------------
48124424Swosch
48224424SwoschLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
48324424SwoschQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating
48424424SwoschSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
48524424Swosch
48624424SwoschSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
48724424SwoschCompany, Inc., 1994. ISBN 0-201-54777-5
48824424Swosch
48924424SwoschMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
49024424SwoschQuarterman. The Design and Implementation of the 4.4BSD Operating
49124424SwoschSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
49224424Swosch
493134378SosaMcKusick, Marshall Kirk, George Neville-Neil. The Design and
494134378SosaImplementation of the FreeBSD Operating System.
495134378SosaAddison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2
496134378Sosa
49725031SwoschDoug McIlroy. Research Unix Reader.
49825031Swosch
49924424SwoschMichael G. Brown. The Role of BSD in the Development of Unix.
50024424SwoschPresented to the Tasmanian Unix Special Interest Group of the
50124424SwoschAustralian Computer Society, Hobart, August 1993.
50224424Swosch
50359769SgrogPeter H. Salus. Unix at 25. Byte Magazine, October 1994.
504147051SmaximURL: http://www.byte.com/art/9410/sec8/art3.htm
50524424Swosch
50625031SwoschAndreas Klemm, Lars K�ller. If you're going to San Francisco ...
50725031SwoschDie freien BSD-Varianten von Unix. c't April 1997, page 368ff.
50825031Swosch
50925031SwoschBSD Release Announcements collection.
51059769SgrogURL: http://www.de.FreeBSD.org/de/ftp/releases/
51125031Swosch
51231658SwoschBSD Hypertext Man Pages
51379514SitojunURL: http://www.FreeBSD.org/cgi/man.cgi
51431658Swosch
51559769SgrogUNIX history graphing project
51679514SitojunURL: http://minnie.tuhs.org/Unix_History/index.html
51759769Sgrog
51865415SwoschUNIX history
519104786SjhbURL: http://www.levenez.com/unix/
52065415Swosch
52175834SwoschJames Howard: The BSD Family Tree
522156214SmaximURL: http://ezine.daemonnews.org/200104/bsd_family.html
52375834Swosch("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
52475834Swosch
52575834Swosch
52625031SwoschAcknowledgments
52725031Swosch---------------
52825031Swosch
52959769SgrogJosh Gilliam for suggestions, bug fixes, and finding very old
53025031Swoschoriginal BSD announcements from Usenet or tapes.
53125031Swosch
53231658SwoschSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
53325031Swosch
53424424Swosch--
535166020SmaximCopyright (c) 1997-2007 Wolfram Schneider <wosch@FreeBSD.ORG>
536121787SwoschURL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree
53742589Swosch
53850970Speter$FreeBSD: head/share/misc/bsd-family-tree 175454 2008-01-18 19:25:15Z maxim $
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