bsd-family-tree revision 138844
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    |             |
14087200Swosch |      |         Mac OS X   |    |        OpenBSD 2.8     BSD/OS 4.2
14187200Swosch |      |             |      |    v            |             |
14287200Swosch |      |             |      |                 |             |
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    |       	     |
155119217Smurray |   FreeBSD 4.6.2 Mac OS X  |    |            |             |
156119217Smurray |      |            10.2    |    v            |             |
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 |      |          |  |      |                 |
171132652Sosa |      v           `-|------|-----------------|---------------------.
172132652Sosa |                    |      |                 |                      \
173132652SosaFreeBSD 5.0           |      |                 |                       |
174132652Sosa |                    |      |                 |                       |
175137120SmaximFreeBSD 5.1           |      |                 |                  DragonFly 1.0
176132652Sosa |          \         |      |                 |                       |
177132652Sosa |           ----- Mac OS X  |                 |                       |
178132652Sosa |                   10.3    |                 |                       |
179132652SosaFreeBSD 5.2           |      |                 |                       |
180132652Sosa |      |             |      |                 |                       |
181132652Sosa |   FreeBSD 5.2.1    |      |                 |                       |
182132652Sosa |                    |      |                 |                       |
183136878Sscottl *---FreeBSD 5.3      |      |                 |                       |
184137120Smaxim |      |             |      |             OpenBSD 3.6                 |
185138844Smaxim |      v             |   NetBSD 2.0           |                       |
186136878Sscottl |                    |      |                 |                       |
187137120SmaximFreeBSD 6 -current    |  NetBSD -current  OpenBSD -current             |
188132652Sosa |                    |      |                 |                       |
189132652Sosa v                    v      v                 v                       v
19024424Swosch
19124424SwoschTime
19224424Swosch----------------
19324424Swosch
19469277SasmodaiTime tolerance +/- 6 months, depending on which book/article you read; if it
19569277Sasmodaiwas the announcement in Usenet or if it was available as tape.
19624424Swosch
19725031Swosch[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
19825031Swosch	and John Quarterman. The Design and Implementation of
19925031Swosch	the 4.4BSD Operating System.
20080675Sasmodai[APL] Apple website [http://www.apple.com/macosx/]
201104782Sjhb[BSDI] Berkeley Software Design, Inc.
202132652Sosa[DFD] DragonFlyBSD Project, The.
20325031Swosch[DOC] README, COPYRIGHT on tape.
204104782Sjhb[FBD] FreeBSD Project, The.
205104782Sjhb[KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
206104782Sjhb	Volume 11, Info 4, April, 1987.
207104797Sjhb[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
208104797Sjhb	comp.bugs.4bsd.ucb-fixes, June 15, 1988.
20925031Swosch[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
21025031Swosch	Changes in the Kernel in 2.9BSD. Second Berkeley Software
21125031Swosch	Distribution UNIX Version 2.9, July, 1983.
21245349Swosch[NBD] NetBSD Project, The.
21345349Swosch[OBD] OpenBSD Project, The.
214104782Sjhb[QCU] Salus, Peter H. A quarter century of UNIX.
215104782Sjhb[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
216104782Sjhb[USE] Usenet announcement.
217104782Sjhb[WRS] Wind River Systems, Inc.
21842704Swosch[dmr] Dennis Ritchie, via E-Mail
21925031Swosch
22024424SwoschMultics                 1965
22159769SgrogUNIX                    Summer 1969
22225031Swosch				DEC PDP-7
22325031SwoschFirst   Edition         1971-11-03 [QCU]
22425031Swosch				DEC PDP-11/20, Assembler
22525031SwoschSecond  Edition         1972-06-12 [QCU]
22659769Sgrog				10 UNIX installations
22725031SwoschThird   Edition         1973-02-xx [QCU]
22825031Swosch				Pipes, 16 installations
22925031SwoschFourth  Edition         1973-11-xx [QCU]
23025031Swosch				rewriting in C effected,
23124424Swosch                                above 30 installations
23225031SwoschFifth   Edition         1974-06-xx [QCU]
23325031Swosch				above 50 installations
23425031SwoschSixth   Edition         1975-05-xx [QCU]
23525031Swosch				port to DEC Vax
23625031SwoschSeventh Edition         1979-01-xx [QCU]
23759769Sgrog				first portable UNIX
23859769SgrogEighth  Edition         1985-02-xx [QCU]
23942704Swosch				VAX 11/750, VAX 11/780 [dmr]
24042704Swosch				descended from 4.1c BSD [dmr]
24142704Swosch				descended from 4.1 BSD [44B]
24270110Swosch			scooping-out and replacement of the character-device
24342704Swosch			and networking part by the streams mechanism
24442704Swosch
24525031SwoschNinth   Edition         1986-09-xx [QCU]
24625031SwoschTenth   Edition         1989-10-xx [QCU]
24724424Swosch
24825031Swosch1BSD                    late 1977
24925031Swosch			1978-03-09 [QCU]
25025031Swosch				PDP-11, Pascal, ex(1)
25125031Swosch				30 free copies of 1BSD sent out
25225031Swosch				35 tapes sold for 50 USD [QCU]
25325031Swosch2BSD                    mid 1978 [QCU]
25425031Swosch				75 2BSD tapes shipped
25525031Swosch2.7.9BSD		?? [SMS]
25625031Swosch2.8BSD			1981-07-xx [KSJ]
25724424Swosch
25825031Swosch2.8.1BSD		1982-01-xx [QCU]
25925031Swosch				set of performance improvements
26025031Swosch2.9BSD			1983-07-xx [KSJ]
26125031Swosch2.9.1BSD                1983-11-xx
26225031Swosch2.9BSD-Seismo		1985-08-xx [SMS]
26325031Swosch2.10BSD			1987-04-xx [KKK]
26425031Swosch2.10.1BSD		1989-01-xx [SMS]
26525031Swosch2.11BSD			1992-02-xx [SMS]
26659156Swosch2.11BSD rev #430	1999-12-13 [SMS]
26725031Swosch
26825031Swosch32V			1978-1[01]-xx [QCU]
26925031Swosch3BSD                    late 1979 [QCU]
27025031Swosch				virtual memory, page replacement,
27125031Swosch                        	demand paging
27225031Swosch4.0BSD                  1980-10-xx
27389981Sjoe4.1BSD                  1981-07-08 [DOC]
27425031Swosch4.1aBSD                 1982-04-xx
27525031Swosch				alpha release, 100 sites, networking [44B]
27625031Swosch4.1bBSD				internal release, fast filesystem [44B]
27724424Swosch4.1cBSD                 late 1982
27825031Swosch				beta release, IPC [44B]
27925031Swosch4.2BSD                  1983-09-xx [QCU]
28089981Sjoe                        1983-08-03 [DOC]
28125031Swosch4.3BSD                  1986-06-xx [QCU]
28289981Sjoe			1986-04-05 [KB], [DOC]
28389981Sjoe4.3BSD Tahoe            1988-06-15 [QCU], [DOC]
28425031Swosch4.3BSD NET/1            1988-11-xx [QCU]
28589981Sjoe                        1989-01-01 [DOC]
28689981Sjoe4.3BSD Reno             1990-06-29 [QCU], [DOC]
28789981Sjoe4.3BSD NET/2            1991-06-28 [QCU], [DOC]
28870110Swosch
28971231SitojunBSD/386 ALPHA		1991-12-xx [BSDI]
29070110Swosch				first code released to people outside BSDI
29125031Swosch386BSD 0.0              1992-02-xx [DOC]
29271231SitojunBSD/386 0.3.1	        1992-04-xx [BSDI] first ext. beta; B customers
29371231SitojunBSD/386 0.3.3		1992-06-xx [BSDI] first CDROM version
29469278Sasmodai386BSD 0.1              1992-07-28 [DOC]
29525031Swosch4.4BSD Alpha            1992-07-07
29671231SitojunBSD/386 0.9.3		1992-10-xx [BSDI]
29770110Swosch				first external gamma; G customers
29871231SitojunBSD/386 0.9.4		1992-12-xx [BSDI]
29970110Swosch				would have been 1.0 except for request
30070110Swosch				for preliminary injunction
30171231SitojunBSD/386 1.0 		1993-03-xx [BSDI]
30270110Swosch				injunction denied; first official release
30357000SwoschNetBSD 0.8              1993-04-20 [NBD]
30425031Swosch4.4BSD                  1993-06-01 [USE]
30545349SwoschNetBSD 0.9              1993-08-23 [NBD]
30678270SnikFreeBSD 1.0		1993-11-01 [FBD]
30771231SitojunBSD/386 1.1		1994-02-xx [BSDI]
30825031Swosch4.4BSD Lite             1994-03-01 [USE]
30938440SjkhFreeBSD 1.1		1994-04-xx [FBD]
31038440SjkhFreeBSD 1.1.5.1		1994-07-xx [FBD]
31149392Swosch				supersedes 1.1.5 3 days after release.
31257000SwoschNetBSD 1.0              1994-10-26 [NBD]
31338440Sjkh386BSD 1.0              1994-11-12 [USE]
31438440SjkhFreeBSD 2.0		1995-01-xx [FBD]
31570110SwoschBSD/OS 2.0		1995-01-xx [BSDI] 4.4 lite based
31669278SasmodaiFreeBSD 2.0.5		1995-06-10 [FBD]
31770110SwoschBSD/OS 2.0.1		1995-06-xx [BSDI]
31825031Swosch4.4BSD Lite Release 2	1995-06-xx [44B]
31925031Swosch				the true final distribution from the CSRG
32069278SasmodaiFreeBSD 2.1.0		1995-11-19 [FBD]
32145349SwoschNetBSD 1.1              1995-11-26 [NBD]
32270110SwoschBSD/OS 2.1		1996-01-xx [BSDI]
32369278SasmodaiFreeBSD 2.1.5		1996-07-14 [FBD]
32445349SwoschNetBSD 1.2              1996-10-04 [NBD]
32545349SwoschOpenBSD 2.0             1996-10-18 [OBD]
32669278SasmodaiFreeBSD 2.1.6		1996-11-16 [FBD]
32769278SasmodaiFreeBSD 2.1.6.1		1996-11-25 [FBD] (sendmail security release)
32880675SasmodaiRhapsody		1997-xx-xx
32969278SasmodaiFreeBSD 2.1.7		1997-02-20 [FBD]
33070110SwoschBSD/OS 3.0		1997-02-xx [BSDI] 4.4 lite2 based
33169278SasmodaiFreeBSD 2.2.0		1997-03-16 [FBD]
33269278SasmodaiFreeBSD 2.2.1		1997-03-25 [FBD]
33369278SasmodaiFreeBSD 2.2.2		1997-05-16 [FBD]
33457000SwoschNetBSD 1.2.1            1997-05-20 [NBD] (patch release)
33545349SwoschOpenBSD 2.1             1997-06-01 [OBD]
33669277SasmodaiFreeBSD 2.2.5		1997-10-22 [FBD]
33745349SwoschOpenBSD 2.2             1997-12-01 [OBD]
33866542SitojunNetBSD 1.3              1998-01-04 [NBD]
33969277SasmodaiFreeBSD 2.2.6		1998-03-25 [FBD]
34057000SwoschNetBSD 1.3.1            1998-03-09 [NBD] (patch release)
34170110SwoschBSD/OS 3.1		1998-03-xx [BSDI]
34245349SwoschOpenBSD 2.3             1998-05-19 [OBD]
34357000SwoschNetBSD 1.3.2            1998-05-29 [NBD] (patch release)
34469277SasmodaiFreeBSD 2.2.7		1998-07-22 [FBD]
34570110SwoschBSD/OS 4.0		1998-08-xx [BSDI]
34670110Swosch				2-lock MP support, ELF executables
34742589SwoschFreeBSD 3.0		1998-10-16 [FBD]
34870110Swosch				FreeBSD-3.0 is a snapshot from -current,
34970110Swosch				while 3.1 and 3.2 are from 3.x-stable which
35046321Swosch				was branched quite some time after 3.0-release
35145349SwoschFreeBSD 2.2.8           1998-11-29 [FBD]
35245349SwoschOpenBSD 2.4             1998-12-01 [OBD]
35357000SwoschNetBSD 1.3.3            1998-12-23 [NBD] (patch release)
35446318SwoschFreeBSD 3.1		1999-02-15 [FBD]
35570110SwoschBSD/OS 4.0.1		1999-03-xx [BSDI]
35656406SwoschNetBSD 1.4              1999-05-12 [NBD]
35755389SbillfFreeBSD 3.2             1999-05-17 [FBD]
35855389SbillfOpenBSD 2.5             1999-05-19 [OBD]
35957000SwoschNetBSD 1.4.1            1999-08-26 [NBD] (patch release)
36055389SbillfFreeBSD 3.3             1999-09-17 [FBD]
36155389SbillfOpenBSD 2.6             1999-12-01 [OBD]
36255389SbillfFreeBSD 3.4             1999-12-20 [FBD]
36370110SwoschBSD/OS 4.1		1999-12-xx [BSDI]
36458448SwoschFreeBSD 4.0             2000-03-13 [FBD]
36558448SwoschNetBSD 1.4.2            2000-03-19 [NBD] (patch release)
36665412SwoschOpenBSD 2.7             2000-06-15 [OBD]
36764612SalexFreeBSD 3.5		2000-06-24 [FBD]
36864612SalexFreeBSD 4.1		2000-07-27 [FBD]
36965411SwoschFreeBSD 3.5.1		2000-07-28 [FBD]
37065974SwoschFreeBSD 4.1.1		2000-09-25 [FBD] (a network-only patch release)
37169277SasmodaiFreeBSD 4.2  		2000-11-21 [FBD]
37269277SasmodaiNetBSD 1.4.3		2000-11-25 [NBD] (patch release)
37370119SwoschBSD/OS 4.2		2000-11-29 [BSDI]
37469277SasmodaiOpenBSD 2.8		2000-12-01 [OBD]
37570111SwoschNetBSD 1.5              2000-12-06 [NBD]
37680675SasmodaiMac OS X 10.0           2001-03-24 [APL]
37775833SwoschFreeBSD 4.3  		2001-04-20 [FBD]
37878867SitojunOpenBSD 2.9  		2001-06-01 [OBD]
37979603SitojunNetBSD 1.5.1		2001-07-11 [NBD] (patch release)
38084087SwoschNetBSD 1.5.2		2001-09-13 [NBD] (patch release)
38183686SobrienFreeBSD 4.4  		2001-09-18 [FBD]
382104797SjhbMac OS X 10.1		2001-09-29 [APL]
38387201SwoschOpenBSD 3.0		2001-12-01 [OBD]
38492013SwoschFreeBSD 4.5  		2002-01-29 [FBD]
385104772SmaximBSD/OS 4.3		2002-03-14 [WRS]
386101331SwoschOpenBSD 3.1		2002-05-19 [OBD]
387101331SwoschFreeBSD 4.6  		2002-06-15 [FBD]
388104797SjhbNetBSD 1.5.3		2002-07-22 [NBD] (patch release)
389104781SjhbFreeBSD 4.6.2		2002-08-15 [FBD] (patch release)
390104781SjhbMac OS X 10.2		2002-08-23 [APL]
391104781SjhbNetBSD 1.6		2002-09-14 [NBD]
392104659SmurrayFreeBSD 4.7		2002-10-08 [FBD]
393106406SmaximOpenBSD 3.2		2002-11-01 [OBD]
394111949SwoschFreeBSD 5.0		2003-01-17 [FBD]
395111949Swosch				FreeBSD 5.0 is a separate branch off of
396111949Swosch				-current, similar to 3.0.
397113054SmurrayFreeBSD 4.8		2003-04-03 [FBD]
398114211SwoschNetBSD 1.6.1		2003-04-21 [NBD] (patch release)
399114572SwoschOpenBSD 3.3		2003-05-01 [OBD]
400119217SmurrayBSD/OS 5.0		2003-05-?? [WRS]
401119217SmurrayFreeBSD 5.1		2003-06-09 [FBD]
402121648SmurrayMac OS X 10.3		2003-10-24 [APL]
403121648SmurrayFreeBSD 4.9		2003-10-28 [FBD]
404126724SwoschBSD/OS 5.1 ISE		2003-10-?? [WRS] (final version)
405121787SwoschOpenBSD 3.4		2003-11-01 [OBD]
406124462SmaximFreeBSD 5.2		2004-01-12 [FBD]
407126235SwoschFreeBSD 5.2.1		2004-02-22 [FBD] (patch release)
408128863SmaximNetBSD 1.6.2		2004-03-01 [NBD] (patch release)
409128863SmaximOpenBSD 3.5		2004-04-01 [OBD]
410129793ShrsFreeBSD 4.10		2004-05-27 [FBD]
411132652SosaDragonFly 1.0		2004-07-12 [DFD]
412137120SmaximOpenBSD 3.6		2004-10-29 [OBD]
413137326ShrsFreeBSD 5.3		2004-11-06 [FBD]
414138844SmaximNetBSD 2.0		2004-12-09 [NBD]
41524424Swosch
41624424SwoschBibliography
41724424Swosch------------------------
41824424Swosch
41924424SwoschLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
42024424SwoschQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating
42124424SwoschSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
42224424Swosch
42324424SwoschSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
42424424SwoschCompany, Inc., 1994. ISBN 0-201-54777-5
42524424Swosch
42624424SwoschMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
42724424SwoschQuarterman. The Design and Implementation of the 4.4BSD Operating
42824424SwoschSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
42924424Swosch
430134378SosaMcKusick, Marshall Kirk, George Neville-Neil. The Design and
431134378SosaImplementation of the FreeBSD Operating System.
432134378SosaAddison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2
433134378Sosa
43425031SwoschDoug McIlroy. Research Unix Reader.
43525031Swosch
43624424SwoschMichael G. Brown. The Role of BSD in the Development of Unix.
43724424SwoschPresented to the Tasmanian Unix Special Interest Group of the
43824424SwoschAustralian Computer Society, Hobart, August 1993.
43924424Swosch
44059769SgrogPeter H. Salus. Unix at 25. Byte Magazine, October 1994.
44179514SitojunURL: http://www.byte.com/art/9410/sec8/art3.htm (unreachable)
44224424Swosch
44325031SwoschAndreas Klemm, Lars K�ller. If you're going to San Francisco ...
44425031SwoschDie freien BSD-Varianten von Unix. c't April 1997, page 368ff.
44525031Swosch
44625031SwoschBSD Release Announcements collection.
44759769SgrogURL: http://www.de.FreeBSD.org/de/ftp/releases/
44825031Swosch
44931658SwoschBSD Hypertext Man Pages
45079514SitojunURL: http://www.FreeBSD.org/cgi/man.cgi
45131658Swosch
45259769SgrogUNIX history graphing project
45379514SitojunURL: http://minnie.tuhs.org/Unix_History/index.html
45459769Sgrog
45565415SwoschUNIX history
456104786SjhbURL: http://www.levenez.com/unix/
45765415Swosch
45875834SwoschJames Howard: The BSD Family Tree
45979514SitojunURL: http://www.daemonnews.org/200104/bsd_family.html
46075834Swosch("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
46175834Swosch
46275834Swosch
46325031SwoschAcknowledgments
46425031Swosch---------------
46525031Swosch
46659769SgrogJosh Gilliam for suggestions, bug fixes, and finding very old
46725031Swoschoriginal BSD announcements from Usenet or tapes.
46825031Swosch
46931658SwoschSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
47025031Swosch
47124424Swosch--
472126235SwoschCopyright (c) 1997-2004 Wolfram Schneider <wosch@FreeBSD.ORG>
473121787SwoschURL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree
47442589Swosch
47550970Speter$FreeBSD: head/share/misc/bsd-family-tree 138844 2004-12-14 12:30:43Z maxim $
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