bsd-family-tree revision 152004
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 |                    |      |                 |                       |
177137120SmaximFreeBSD 5.1           |      |                 |                  DragonFly 1.0
178132652Sosa |          \         |      |                 |                       |
179132652Sosa |           ----- Mac OS X  |                 |                       |
180132652Sosa |                   10.3    |                 |                       |
181132652SosaFreeBSD 5.2           |      |                 |                       |
182132652Sosa |      |             |      |                 |                       |
183132652Sosa |   FreeBSD 5.2.1    |      |                 |                       |
184132652Sosa |                    |      |                 |                       |
185136878Sscottl *---FreeBSD 5.3      |      |                 |                       |
186137120Smaxim |      |             |      |             OpenBSD 3.6                 |
187146071Smaxim |      |             |   NetBSD 2.0           |                       |
188152004Smaxim |      |             |      | |  |            |                 DragonFly 1.2.0
189152004Smaxim |      |          Mac OS X  | | NetBSD 2.0.2  |                       |
190152004Smaxim |   FreeBSD 5.4     10.4    | |  |            |                       |
191152004Smaxim |      |             |      | |  |        OpenBSD 3.7                 |
192152004Smaxim |      V             |      | | NetBSD 2.0.3  |                       |
193152004Smaxim |                    |      | |  |            |                       |
194152004Smaxim *---FreeBSD 6.0      |      | |  v        OpenBSD 3.8                 |
195152004Smaxim |      |             |      | |               |                       |
196152004Smaxim |      V             |      |  \              |                       |
197152004Smaxim |                    |      | NetBSD 2.1      |                       |
198146071Smaxim |                    |      |                 |                       |
199152003SmaximFreeBSD 7 -current    |  NetBSD -current  OpenBSD -current             |
200152003Smaxim |                    |      |                 |                       |
201132652Sosa v                    v      v                 v                       v
20224424Swosch
20324424SwoschTime
20424424Swosch----------------
20524424Swosch
20669277SasmodaiTime tolerance +/- 6 months, depending on which book/article you read; if it
20769277Sasmodaiwas the announcement in Usenet or if it was available as tape.
20824424Swosch
20925031Swosch[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
21025031Swosch	and John Quarterman. The Design and Implementation of
21125031Swosch	the 4.4BSD Operating System.
21280675Sasmodai[APL] Apple website [http://www.apple.com/macosx/]
213104782Sjhb[BSDI] Berkeley Software Design, Inc.
214144864Smaxim[DFB] DragonFlyBSD Project, The.
21525031Swosch[DOC] README, COPYRIGHT on tape.
216104782Sjhb[FBD] FreeBSD Project, The.
217104782Sjhb[KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
218104782Sjhb	Volume 11, Info 4, April, 1987.
219104797Sjhb[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
220104797Sjhb	comp.bugs.4bsd.ucb-fixes, June 15, 1988.
22125031Swosch[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
22225031Swosch	Changes in the Kernel in 2.9BSD. Second Berkeley Software
22325031Swosch	Distribution UNIX Version 2.9, July, 1983.
22445349Swosch[NBD] NetBSD Project, The.
22545349Swosch[OBD] OpenBSD Project, The.
226104782Sjhb[QCU] Salus, Peter H. A quarter century of UNIX.
227104782Sjhb[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
228104782Sjhb[USE] Usenet announcement.
229104782Sjhb[WRS] Wind River Systems, Inc.
23042704Swosch[dmr] Dennis Ritchie, via E-Mail
23125031Swosch
23224424SwoschMultics                 1965
23359769SgrogUNIX                    Summer 1969
23425031Swosch				DEC PDP-7
23525031SwoschFirst   Edition         1971-11-03 [QCU]
23625031Swosch				DEC PDP-11/20, Assembler
23725031SwoschSecond  Edition         1972-06-12 [QCU]
23859769Sgrog				10 UNIX installations
23925031SwoschThird   Edition         1973-02-xx [QCU]
24025031Swosch				Pipes, 16 installations
24125031SwoschFourth  Edition         1973-11-xx [QCU]
24225031Swosch				rewriting in C effected,
24324424Swosch                                above 30 installations
24425031SwoschFifth   Edition         1974-06-xx [QCU]
24525031Swosch				above 50 installations
24625031SwoschSixth   Edition         1975-05-xx [QCU]
24725031Swosch				port to DEC Vax
24825031SwoschSeventh Edition         1979-01-xx [QCU]
24959769Sgrog				first portable UNIX
25059769SgrogEighth  Edition         1985-02-xx [QCU]
25142704Swosch				VAX 11/750, VAX 11/780 [dmr]
25242704Swosch				descended from 4.1c BSD [dmr]
25342704Swosch				descended from 4.1 BSD [44B]
25470110Swosch			scooping-out and replacement of the character-device
25542704Swosch			and networking part by the streams mechanism
25642704Swosch
25725031SwoschNinth   Edition         1986-09-xx [QCU]
25825031SwoschTenth   Edition         1989-10-xx [QCU]
25924424Swosch
26025031Swosch1BSD                    late 1977
26125031Swosch			1978-03-09 [QCU]
26225031Swosch				PDP-11, Pascal, ex(1)
26325031Swosch				30 free copies of 1BSD sent out
26425031Swosch				35 tapes sold for 50 USD [QCU]
26525031Swosch2BSD                    mid 1978 [QCU]
26625031Swosch				75 2BSD tapes shipped
26725031Swosch2.7.9BSD		?? [SMS]
26825031Swosch2.8BSD			1981-07-xx [KSJ]
26924424Swosch
27025031Swosch2.8.1BSD		1982-01-xx [QCU]
27125031Swosch				set of performance improvements
27225031Swosch2.9BSD			1983-07-xx [KSJ]
27325031Swosch2.9.1BSD                1983-11-xx
27425031Swosch2.9BSD-Seismo		1985-08-xx [SMS]
27525031Swosch2.10BSD			1987-04-xx [KKK]
27625031Swosch2.10.1BSD		1989-01-xx [SMS]
27725031Swosch2.11BSD			1992-02-xx [SMS]
27859156Swosch2.11BSD rev #430	1999-12-13 [SMS]
27925031Swosch
28025031Swosch32V			1978-1[01]-xx [QCU]
28125031Swosch3BSD                    late 1979 [QCU]
28225031Swosch				virtual memory, page replacement,
28325031Swosch                        	demand paging
28425031Swosch4.0BSD                  1980-10-xx
28589981Sjoe4.1BSD                  1981-07-08 [DOC]
28625031Swosch4.1aBSD                 1982-04-xx
28725031Swosch				alpha release, 100 sites, networking [44B]
28825031Swosch4.1bBSD				internal release, fast filesystem [44B]
28924424Swosch4.1cBSD                 late 1982
29025031Swosch				beta release, IPC [44B]
29125031Swosch4.2BSD                  1983-09-xx [QCU]
29289981Sjoe                        1983-08-03 [DOC]
29325031Swosch4.3BSD                  1986-06-xx [QCU]
29489981Sjoe			1986-04-05 [KB], [DOC]
29589981Sjoe4.3BSD Tahoe            1988-06-15 [QCU], [DOC]
29625031Swosch4.3BSD NET/1            1988-11-xx [QCU]
29789981Sjoe                        1989-01-01 [DOC]
29889981Sjoe4.3BSD Reno             1990-06-29 [QCU], [DOC]
29989981Sjoe4.3BSD NET/2            1991-06-28 [QCU], [DOC]
30070110Swosch
30171231SitojunBSD/386 ALPHA		1991-12-xx [BSDI]
30270110Swosch				first code released to people outside BSDI
30325031Swosch386BSD 0.0              1992-02-xx [DOC]
30471231SitojunBSD/386 0.3.1	        1992-04-xx [BSDI] first ext. beta; B customers
30571231SitojunBSD/386 0.3.3		1992-06-xx [BSDI] first CDROM version
30669278Sasmodai386BSD 0.1              1992-07-28 [DOC]
30725031Swosch4.4BSD Alpha            1992-07-07
30871231SitojunBSD/386 0.9.3		1992-10-xx [BSDI]
30970110Swosch				first external gamma; G customers
31071231SitojunBSD/386 0.9.4		1992-12-xx [BSDI]
31170110Swosch				would have been 1.0 except for request
31270110Swosch				for preliminary injunction
31371231SitojunBSD/386 1.0 		1993-03-xx [BSDI]
31470110Swosch				injunction denied; first official release
31557000SwoschNetBSD 0.8              1993-04-20 [NBD]
31625031Swosch4.4BSD                  1993-06-01 [USE]
31745349SwoschNetBSD 0.9              1993-08-23 [NBD]
31878270SnikFreeBSD 1.0		1993-11-01 [FBD]
31971231SitojunBSD/386 1.1		1994-02-xx [BSDI]
32025031Swosch4.4BSD Lite             1994-03-01 [USE]
321147051SmaximFreeBSD 1.1		1994-05-07 [FBD]
322147051SmaximFreeBSD 1.1.5		1994-06-30 [FBD]
323147051SmaximFreeBSD 1.1.5.1		1994-07-05 [FBD]
324147051Smaxim				supersedes 1.1.5 5 days after release.
32557000SwoschNetBSD 1.0              1994-10-26 [NBD]
32638440Sjkh386BSD 1.0              1994-11-12 [USE]
327147055SmaximFreeBSD 2.0		1994-11-23 [FBD]
32870110SwoschBSD/OS 2.0		1995-01-xx [BSDI] 4.4 lite based
32969278SasmodaiFreeBSD 2.0.5		1995-06-10 [FBD]
33070110SwoschBSD/OS 2.0.1		1995-06-xx [BSDI]
33125031Swosch4.4BSD Lite Release 2	1995-06-xx [44B]
33225031Swosch				the true final distribution from the CSRG
33369278SasmodaiFreeBSD 2.1.0		1995-11-19 [FBD]
33445349SwoschNetBSD 1.1              1995-11-26 [NBD]
33570110SwoschBSD/OS 2.1		1996-01-xx [BSDI]
33669278SasmodaiFreeBSD 2.1.5		1996-07-14 [FBD]
33745349SwoschNetBSD 1.2              1996-10-04 [NBD]
33845349SwoschOpenBSD 2.0             1996-10-18 [OBD]
33969278SasmodaiFreeBSD 2.1.6		1996-11-16 [FBD]
34069278SasmodaiFreeBSD 2.1.6.1		1996-11-25 [FBD] (sendmail security release)
34180675SasmodaiRhapsody		1997-xx-xx
34269278SasmodaiFreeBSD 2.1.7		1997-02-20 [FBD]
34370110SwoschBSD/OS 3.0		1997-02-xx [BSDI] 4.4 lite2 based
34469278SasmodaiFreeBSD 2.2.0		1997-03-16 [FBD]
34569278SasmodaiFreeBSD 2.2.1		1997-03-25 [FBD]
34669278SasmodaiFreeBSD 2.2.2		1997-05-16 [FBD]
34757000SwoschNetBSD 1.2.1            1997-05-20 [NBD] (patch release)
34845349SwoschOpenBSD 2.1             1997-06-01 [OBD]
34969277SasmodaiFreeBSD 2.2.5		1997-10-22 [FBD]
35045349SwoschOpenBSD 2.2             1997-12-01 [OBD]
35166542SitojunNetBSD 1.3              1998-01-04 [NBD]
35269277SasmodaiFreeBSD 2.2.6		1998-03-25 [FBD]
35357000SwoschNetBSD 1.3.1            1998-03-09 [NBD] (patch release)
35470110SwoschBSD/OS 3.1		1998-03-xx [BSDI]
35545349SwoschOpenBSD 2.3             1998-05-19 [OBD]
35657000SwoschNetBSD 1.3.2            1998-05-29 [NBD] (patch release)
35769277SasmodaiFreeBSD 2.2.7		1998-07-22 [FBD]
35870110SwoschBSD/OS 4.0		1998-08-xx [BSDI]
35970110Swosch				2-lock MP support, ELF executables
36042589SwoschFreeBSD 3.0		1998-10-16 [FBD]
36170110Swosch				FreeBSD-3.0 is a snapshot from -current,
36270110Swosch				while 3.1 and 3.2 are from 3.x-stable which
36346321Swosch				was branched quite some time after 3.0-release
36445349SwoschFreeBSD 2.2.8           1998-11-29 [FBD]
36545349SwoschOpenBSD 2.4             1998-12-01 [OBD]
36657000SwoschNetBSD 1.3.3            1998-12-23 [NBD] (patch release)
36746318SwoschFreeBSD 3.1		1999-02-15 [FBD]
36870110SwoschBSD/OS 4.0.1		1999-03-xx [BSDI]
36956406SwoschNetBSD 1.4              1999-05-12 [NBD]
37055389SbillfFreeBSD 3.2             1999-05-17 [FBD]
37155389SbillfOpenBSD 2.5             1999-05-19 [OBD]
37257000SwoschNetBSD 1.4.1            1999-08-26 [NBD] (patch release)
37355389SbillfFreeBSD 3.3             1999-09-17 [FBD]
37455389SbillfOpenBSD 2.6             1999-12-01 [OBD]
37555389SbillfFreeBSD 3.4             1999-12-20 [FBD]
37670110SwoschBSD/OS 4.1		1999-12-xx [BSDI]
37758448SwoschFreeBSD 4.0             2000-03-13 [FBD]
37858448SwoschNetBSD 1.4.2            2000-03-19 [NBD] (patch release)
37965412SwoschOpenBSD 2.7             2000-06-15 [OBD]
38064612SalexFreeBSD 3.5		2000-06-24 [FBD]
38164612SalexFreeBSD 4.1		2000-07-27 [FBD]
38265411SwoschFreeBSD 3.5.1		2000-07-28 [FBD]
38365974SwoschFreeBSD 4.1.1		2000-09-25 [FBD] (a network-only patch release)
38469277SasmodaiFreeBSD 4.2  		2000-11-21 [FBD]
38569277SasmodaiNetBSD 1.4.3		2000-11-25 [NBD] (patch release)
38670119SwoschBSD/OS 4.2		2000-11-29 [BSDI]
38769277SasmodaiOpenBSD 2.8		2000-12-01 [OBD]
38870111SwoschNetBSD 1.5              2000-12-06 [NBD]
38980675SasmodaiMac OS X 10.0           2001-03-24 [APL]
39075833SwoschFreeBSD 4.3  		2001-04-20 [FBD]
39178867SitojunOpenBSD 2.9  		2001-06-01 [OBD]
39279603SitojunNetBSD 1.5.1		2001-07-11 [NBD] (patch release)
39384087SwoschNetBSD 1.5.2		2001-09-13 [NBD] (patch release)
39483686SobrienFreeBSD 4.4  		2001-09-18 [FBD]
395104797SjhbMac OS X 10.1		2001-09-29 [APL]
39687201SwoschOpenBSD 3.0		2001-12-01 [OBD]
39792013SwoschFreeBSD 4.5  		2002-01-29 [FBD]
398104772SmaximBSD/OS 4.3		2002-03-14 [WRS]
399101331SwoschOpenBSD 3.1		2002-05-19 [OBD]
400101331SwoschFreeBSD 4.6  		2002-06-15 [FBD]
401104797SjhbNetBSD 1.5.3		2002-07-22 [NBD] (patch release)
402104781SjhbFreeBSD 4.6.2		2002-08-15 [FBD] (patch release)
403104781SjhbMac OS X 10.2		2002-08-23 [APL]
404104781SjhbNetBSD 1.6		2002-09-14 [NBD]
405104659SmurrayFreeBSD 4.7		2002-10-08 [FBD]
406106406SmaximOpenBSD 3.2		2002-11-01 [OBD]
407111949SwoschFreeBSD 5.0		2003-01-17 [FBD]
408111949Swosch				FreeBSD 5.0 is a separate branch off of
409111949Swosch				-current, similar to 3.0.
410113054SmurrayFreeBSD 4.8		2003-04-03 [FBD]
411114211SwoschNetBSD 1.6.1		2003-04-21 [NBD] (patch release)
412114572SwoschOpenBSD 3.3		2003-05-01 [OBD]
413119217SmurrayBSD/OS 5.0		2003-05-?? [WRS]
414119217SmurrayFreeBSD 5.1		2003-06-09 [FBD]
415121648SmurrayMac OS X 10.3		2003-10-24 [APL]
416121648SmurrayFreeBSD 4.9		2003-10-28 [FBD]
417126724SwoschBSD/OS 5.1 ISE		2003-10-?? [WRS] (final version)
418121787SwoschOpenBSD 3.4		2003-11-01 [OBD]
419124462SmaximFreeBSD 5.2		2004-01-12 [FBD]
420126235SwoschFreeBSD 5.2.1		2004-02-22 [FBD] (patch release)
421128863SmaximNetBSD 1.6.2		2004-03-01 [NBD] (patch release)
422128863SmaximOpenBSD 3.5		2004-04-01 [OBD]
423129793ShrsFreeBSD 4.10		2004-05-27 [FBD]
424144864SmaximDragonFly 1.0		2004-07-12 [DFB]
425137120SmaximOpenBSD 3.6		2004-10-29 [OBD]
426137326ShrsFreeBSD 5.3		2004-11-06 [FBD]
427138844SmaximNetBSD 2.0		2004-12-09 [NBD]
428140831SmaximFreeBSD 4.11		2005-01-25 [FBD]
429144864SmaximDragonFly 1.2.0		2005-04-08 [DFB]
430147593ShrsNetBSD 2.0.2		2005-04-14 [NBD] (security/critical release)
431146091SmaximMac OS X 10.4		2005-04-29 [APL]
432146071SmaximFreeBSD 5.4		2005-05-09 [FBD]
433146433SmaximOpenBSD 3.7		2005-05-19 [OBD]
434152004SmaximNetBSD 2.0.3		2005-10-31 [NBD] (security/critical release)
435151926SmaximOpenBSD 3.8		2005-11-01 [OBD]
436152003SmaximFreeBSD 6.0		2005-11-01 [FBD]
437152004SmaximNetBSD 2.1		2005-11-02 [NBD]
43824424Swosch
43924424SwoschBibliography
44024424Swosch------------------------
44124424Swosch
44224424SwoschLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
44324424SwoschQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating
44424424SwoschSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
44524424Swosch
44624424SwoschSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
44724424SwoschCompany, Inc., 1994. ISBN 0-201-54777-5
44824424Swosch
44924424SwoschMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
45024424SwoschQuarterman. The Design and Implementation of the 4.4BSD Operating
45124424SwoschSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
45224424Swosch
453134378SosaMcKusick, Marshall Kirk, George Neville-Neil. The Design and
454134378SosaImplementation of the FreeBSD Operating System.
455134378SosaAddison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2
456134378Sosa
45725031SwoschDoug McIlroy. Research Unix Reader.
45825031Swosch
45924424SwoschMichael G. Brown. The Role of BSD in the Development of Unix.
46024424SwoschPresented to the Tasmanian Unix Special Interest Group of the
46124424SwoschAustralian Computer Society, Hobart, August 1993.
46224424Swosch
46359769SgrogPeter H. Salus. Unix at 25. Byte Magazine, October 1994.
464147051SmaximURL: http://www.byte.com/art/9410/sec8/art3.htm
46524424Swosch
46625031SwoschAndreas Klemm, Lars K�ller. If you're going to San Francisco ...
46725031SwoschDie freien BSD-Varianten von Unix. c't April 1997, page 368ff.
46825031Swosch
46925031SwoschBSD Release Announcements collection.
47059769SgrogURL: http://www.de.FreeBSD.org/de/ftp/releases/
47125031Swosch
47231658SwoschBSD Hypertext Man Pages
47379514SitojunURL: http://www.FreeBSD.org/cgi/man.cgi
47431658Swosch
47559769SgrogUNIX history graphing project
47679514SitojunURL: http://minnie.tuhs.org/Unix_History/index.html
47759769Sgrog
47865415SwoschUNIX history
479104786SjhbURL: http://www.levenez.com/unix/
48065415Swosch
48175834SwoschJames Howard: The BSD Family Tree
48279514SitojunURL: http://www.daemonnews.org/200104/bsd_family.html
48375834Swosch("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
48475834Swosch
48575834Swosch
48625031SwoschAcknowledgments
48725031Swosch---------------
48825031Swosch
48959769SgrogJosh Gilliam for suggestions, bug fixes, and finding very old
49025031Swoschoriginal BSD announcements from Usenet or tapes.
49125031Swosch
49231658SwoschSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
49325031Swosch
49424424Swosch--
495126235SwoschCopyright (c) 1997-2004 Wolfram Schneider <wosch@FreeBSD.ORG>
496121787SwoschURL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree
49742589Swosch
49850970Speter$FreeBSD: head/share/misc/bsd-family-tree 152004 2005-11-03 08:06:06Z maxim $
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