bsd-family-tree revision 184517
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  |  |      |                 |
172176637Smaxim |                 |  |      |                 |
173176637Smaxim |                  `-|------|-----------------|---------------------.
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
215176637Smaxim |     |           Mac OS X  |                 |                       |
216176637Smaxim |     |             10.5    |                 |                       |
217173289Smaxim |     |              |      |             OpenBSD 4.2                 |
218174783Smaxim |     |              |   NetBSD 4.0           |                       |
219175454Smaxim | FreeBSD 6.3        |      |                 |                       |
220175454Smaxim |                    |      |                 |                       |
221176637Smaxim *--FreeBSD           |      |                 |                DragonFly 1.12.0
222176637Smaxim |    7.0             |      |                 |                       |
223178706Smaxim |     |              |      |             OpenBSD 4.3                 |
224180757Smaxim |     V              |      |                 |                DragonFly 2.0.0
225184517Smaxim |                    |      |             OpenBSD 4.4                 |
226175454Smaxim |                    |      |                 |                       |
227176637SmaximFreeBSD 8 -current    |  NetBSD -current  OpenBSD -current             |
228152003Smaxim |                    |      |                 |                       |
229132652Sosa v                    v      v                 v                       v
23024424Swosch
23124424SwoschTime
23224424Swosch----------------
23324424Swosch
23469277SasmodaiTime tolerance +/- 6 months, depending on which book/article you read; if it
23569277Sasmodaiwas the announcement in Usenet or if it was available as tape.
23624424Swosch
23725031Swosch[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
23825031Swosch	and John Quarterman. The Design and Implementation of
23925031Swosch	the 4.4BSD Operating System.
24080675Sasmodai[APL] Apple website [http://www.apple.com/macosx/]
241104782Sjhb[BSDI] Berkeley Software Design, Inc.
242144864Smaxim[DFB] DragonFlyBSD Project, The.
24325031Swosch[DOC] README, COPYRIGHT on tape.
244104782Sjhb[FBD] FreeBSD Project, The.
245104782Sjhb[KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
246104782Sjhb	Volume 11, Info 4, April, 1987.
247104797Sjhb[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
248104797Sjhb	comp.bugs.4bsd.ucb-fixes, June 15, 1988.
24925031Swosch[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
25025031Swosch	Changes in the Kernel in 2.9BSD. Second Berkeley Software
25125031Swosch	Distribution UNIX Version 2.9, July, 1983.
25245349Swosch[NBD] NetBSD Project, The.
25345349Swosch[OBD] OpenBSD Project, The.
254104782Sjhb[QCU] Salus, Peter H. A quarter century of UNIX.
255104782Sjhb[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
256104782Sjhb[USE] Usenet announcement.
257104782Sjhb[WRS] Wind River Systems, Inc.
25842704Swosch[dmr] Dennis Ritchie, via E-Mail
25925031Swosch
26024424SwoschMultics                 1965
26159769SgrogUNIX                    Summer 1969
26225031Swosch				DEC PDP-7
26325031SwoschFirst   Edition         1971-11-03 [QCU]
26425031Swosch				DEC PDP-11/20, Assembler
26525031SwoschSecond  Edition         1972-06-12 [QCU]
26659769Sgrog				10 UNIX installations
26725031SwoschThird   Edition         1973-02-xx [QCU]
26825031Swosch				Pipes, 16 installations
26925031SwoschFourth  Edition         1973-11-xx [QCU]
27025031Swosch				rewriting in C effected,
27124424Swosch                                above 30 installations
27225031SwoschFifth   Edition         1974-06-xx [QCU]
27325031Swosch				above 50 installations
27425031SwoschSixth   Edition         1975-05-xx [QCU]
27525031Swosch				port to DEC Vax
27625031SwoschSeventh Edition         1979-01-xx [QCU]
27759769Sgrog				first portable UNIX
27859769SgrogEighth  Edition         1985-02-xx [QCU]
27942704Swosch				VAX 11/750, VAX 11/780 [dmr]
28042704Swosch				descended from 4.1c BSD [dmr]
28142704Swosch				descended from 4.1 BSD [44B]
28270110Swosch			scooping-out and replacement of the character-device
28342704Swosch			and networking part by the streams mechanism
28442704Swosch
28525031SwoschNinth   Edition         1986-09-xx [QCU]
28625031SwoschTenth   Edition         1989-10-xx [QCU]
28724424Swosch
28825031Swosch1BSD                    late 1977
28925031Swosch			1978-03-09 [QCU]
29025031Swosch				PDP-11, Pascal, ex(1)
29125031Swosch				30 free copies of 1BSD sent out
29225031Swosch				35 tapes sold for 50 USD [QCU]
29325031Swosch2BSD                    mid 1978 [QCU]
29425031Swosch				75 2BSD tapes shipped
29525031Swosch2.7.9BSD		?? [SMS]
29625031Swosch2.8BSD			1981-07-xx [KSJ]
29724424Swosch
29825031Swosch2.8.1BSD		1982-01-xx [QCU]
29925031Swosch				set of performance improvements
30025031Swosch2.9BSD			1983-07-xx [KSJ]
30125031Swosch2.9.1BSD                1983-11-xx
30225031Swosch2.9BSD-Seismo		1985-08-xx [SMS]
30325031Swosch2.10BSD			1987-04-xx [KKK]
30425031Swosch2.10.1BSD		1989-01-xx [SMS]
30525031Swosch2.11BSD			1992-02-xx [SMS]
30659156Swosch2.11BSD rev #430	1999-12-13 [SMS]
30725031Swosch
30825031Swosch32V			1978-1[01]-xx [QCU]
30925031Swosch3BSD                    late 1979 [QCU]
31025031Swosch				virtual memory, page replacement,
31125031Swosch                        	demand paging
31225031Swosch4.0BSD                  1980-10-xx
31389981Sjoe4.1BSD                  1981-07-08 [DOC]
31425031Swosch4.1aBSD                 1982-04-xx
31525031Swosch				alpha release, 100 sites, networking [44B]
31625031Swosch4.1bBSD				internal release, fast filesystem [44B]
31724424Swosch4.1cBSD                 late 1982
31825031Swosch				beta release, IPC [44B]
31925031Swosch4.2BSD                  1983-09-xx [QCU]
32089981Sjoe                        1983-08-03 [DOC]
32125031Swosch4.3BSD                  1986-06-xx [QCU]
32289981Sjoe			1986-04-05 [KB], [DOC]
32389981Sjoe4.3BSD Tahoe            1988-06-15 [QCU], [DOC]
32425031Swosch4.3BSD NET/1            1988-11-xx [QCU]
32589981Sjoe                        1989-01-01 [DOC]
32689981Sjoe4.3BSD Reno             1990-06-29 [QCU], [DOC]
32789981Sjoe4.3BSD NET/2            1991-06-28 [QCU], [DOC]
32870110Swosch
32971231SitojunBSD/386 ALPHA		1991-12-xx [BSDI]
33070110Swosch				first code released to people outside BSDI
33125031Swosch386BSD 0.0              1992-02-xx [DOC]
33271231SitojunBSD/386 0.3.1	        1992-04-xx [BSDI] first ext. beta; B customers
33371231SitojunBSD/386 0.3.3		1992-06-xx [BSDI] first CDROM version
33469278Sasmodai386BSD 0.1              1992-07-28 [DOC]
33525031Swosch4.4BSD Alpha            1992-07-07
33671231SitojunBSD/386 0.9.3		1992-10-xx [BSDI]
33770110Swosch				first external gamma; G customers
33871231SitojunBSD/386 0.9.4		1992-12-xx [BSDI]
33970110Swosch				would have been 1.0 except for request
34070110Swosch				for preliminary injunction
34171231SitojunBSD/386 1.0 		1993-03-xx [BSDI]
34270110Swosch				injunction denied; first official release
34357000SwoschNetBSD 0.8              1993-04-20 [NBD]
34425031Swosch4.4BSD                  1993-06-01 [USE]
34545349SwoschNetBSD 0.9              1993-08-23 [NBD]
34678270SnikFreeBSD 1.0		1993-11-01 [FBD]
347170145SimpFreeBSD 1.0.2		1993-11-14 [FBD]
348170145Simp				supersedes 1.0 13 days after release.
34971231SitojunBSD/386 1.1		1994-02-xx [BSDI]
35025031Swosch4.4BSD Lite             1994-03-01 [USE]
351147051SmaximFreeBSD 1.1		1994-05-07 [FBD]
352147051SmaximFreeBSD 1.1.5		1994-06-30 [FBD]
353147051SmaximFreeBSD 1.1.5.1		1994-07-05 [FBD]
354147051Smaxim				supersedes 1.1.5 5 days after release.
35557000SwoschNetBSD 1.0              1994-10-26 [NBD]
35638440Sjkh386BSD 1.0              1994-11-12 [USE]
357147055SmaximFreeBSD 2.0		1994-11-23 [FBD]
35870110SwoschBSD/OS 2.0		1995-01-xx [BSDI] 4.4 lite based
35969278SasmodaiFreeBSD 2.0.5		1995-06-10 [FBD]
36070110SwoschBSD/OS 2.0.1		1995-06-xx [BSDI]
36125031Swosch4.4BSD Lite Release 2	1995-06-xx [44B]
36225031Swosch				the true final distribution from the CSRG
36369278SasmodaiFreeBSD 2.1.0		1995-11-19 [FBD]
36445349SwoschNetBSD 1.1              1995-11-26 [NBD]
36570110SwoschBSD/OS 2.1		1996-01-xx [BSDI]
36669278SasmodaiFreeBSD 2.1.5		1996-07-14 [FBD]
36745349SwoschNetBSD 1.2              1996-10-04 [NBD]
36845349SwoschOpenBSD 2.0             1996-10-18 [OBD]
36969278SasmodaiFreeBSD 2.1.6		1996-11-16 [FBD]
37069278SasmodaiFreeBSD 2.1.6.1		1996-11-25 [FBD] (sendmail security release)
37180675SasmodaiRhapsody		1997-xx-xx
37269278SasmodaiFreeBSD 2.1.7		1997-02-20 [FBD]
37370110SwoschBSD/OS 3.0		1997-02-xx [BSDI] 4.4 lite2 based
37469278SasmodaiFreeBSD 2.2.0		1997-03-16 [FBD]
37569278SasmodaiFreeBSD 2.2.1		1997-03-25 [FBD]
37669278SasmodaiFreeBSD 2.2.2		1997-05-16 [FBD]
37757000SwoschNetBSD 1.2.1            1997-05-20 [NBD] (patch release)
37845349SwoschOpenBSD 2.1             1997-06-01 [OBD]
37969277SasmodaiFreeBSD 2.2.5		1997-10-22 [FBD]
38045349SwoschOpenBSD 2.2             1997-12-01 [OBD]
38166542SitojunNetBSD 1.3              1998-01-04 [NBD]
38269277SasmodaiFreeBSD 2.2.6		1998-03-25 [FBD]
38357000SwoschNetBSD 1.3.1            1998-03-09 [NBD] (patch release)
38470110SwoschBSD/OS 3.1		1998-03-xx [BSDI]
38545349SwoschOpenBSD 2.3             1998-05-19 [OBD]
38657000SwoschNetBSD 1.3.2            1998-05-29 [NBD] (patch release)
38769277SasmodaiFreeBSD 2.2.7		1998-07-22 [FBD]
38870110SwoschBSD/OS 4.0		1998-08-xx [BSDI]
38970110Swosch				2-lock MP support, ELF executables
39042589SwoschFreeBSD 3.0		1998-10-16 [FBD]
39170110Swosch				FreeBSD-3.0 is a snapshot from -current,
39270110Swosch				while 3.1 and 3.2 are from 3.x-stable which
39346321Swosch				was branched quite some time after 3.0-release
39445349SwoschFreeBSD 2.2.8           1998-11-29 [FBD]
39545349SwoschOpenBSD 2.4             1998-12-01 [OBD]
39657000SwoschNetBSD 1.3.3            1998-12-23 [NBD] (patch release)
39746318SwoschFreeBSD 3.1		1999-02-15 [FBD]
39870110SwoschBSD/OS 4.0.1		1999-03-xx [BSDI]
39956406SwoschNetBSD 1.4              1999-05-12 [NBD]
40055389SbillfFreeBSD 3.2             1999-05-17 [FBD]
40155389SbillfOpenBSD 2.5             1999-05-19 [OBD]
40257000SwoschNetBSD 1.4.1            1999-08-26 [NBD] (patch release)
40355389SbillfFreeBSD 3.3             1999-09-17 [FBD]
40455389SbillfOpenBSD 2.6             1999-12-01 [OBD]
40555389SbillfFreeBSD 3.4             1999-12-20 [FBD]
40670110SwoschBSD/OS 4.1		1999-12-xx [BSDI]
40758448SwoschFreeBSD 4.0             2000-03-13 [FBD]
40858448SwoschNetBSD 1.4.2            2000-03-19 [NBD] (patch release)
40965412SwoschOpenBSD 2.7             2000-06-15 [OBD]
41064612SalexFreeBSD 3.5		2000-06-24 [FBD]
41164612SalexFreeBSD 4.1		2000-07-27 [FBD]
41265411SwoschFreeBSD 3.5.1		2000-07-28 [FBD]
41365974SwoschFreeBSD 4.1.1		2000-09-25 [FBD] (a network-only patch release)
41469277SasmodaiFreeBSD 4.2  		2000-11-21 [FBD]
41569277SasmodaiNetBSD 1.4.3		2000-11-25 [NBD] (patch release)
41670119SwoschBSD/OS 4.2		2000-11-29 [BSDI]
41769277SasmodaiOpenBSD 2.8		2000-12-01 [OBD]
41870111SwoschNetBSD 1.5              2000-12-06 [NBD]
41980675SasmodaiMac OS X 10.0           2001-03-24 [APL]
42075833SwoschFreeBSD 4.3  		2001-04-20 [FBD]
42178867SitojunOpenBSD 2.9  		2001-06-01 [OBD]
42279603SitojunNetBSD 1.5.1		2001-07-11 [NBD] (patch release)
42384087SwoschNetBSD 1.5.2		2001-09-13 [NBD] (patch release)
42483686SobrienFreeBSD 4.4  		2001-09-18 [FBD]
425104797SjhbMac OS X 10.1		2001-09-29 [APL]
42687201SwoschOpenBSD 3.0		2001-12-01 [OBD]
42792013SwoschFreeBSD 4.5  		2002-01-29 [FBD]
428104772SmaximBSD/OS 4.3		2002-03-14 [WRS]
429101331SwoschOpenBSD 3.1		2002-05-19 [OBD]
430101331SwoschFreeBSD 4.6  		2002-06-15 [FBD]
431104797SjhbNetBSD 1.5.3		2002-07-22 [NBD] (patch release)
432104781SjhbFreeBSD 4.6.2		2002-08-15 [FBD] (patch release)
433104781SjhbMac OS X 10.2		2002-08-23 [APL]
434104781SjhbNetBSD 1.6		2002-09-14 [NBD]
435104659SmurrayFreeBSD 4.7		2002-10-08 [FBD]
436106406SmaximOpenBSD 3.2		2002-11-01 [OBD]
437111949SwoschFreeBSD 5.0		2003-01-17 [FBD]
438111949Swosch				FreeBSD 5.0 is a separate branch off of
439111949Swosch				-current, similar to 3.0.
440113054SmurrayFreeBSD 4.8		2003-04-03 [FBD]
441114211SwoschNetBSD 1.6.1		2003-04-21 [NBD] (patch release)
442114572SwoschOpenBSD 3.3		2003-05-01 [OBD]
443119217SmurrayBSD/OS 5.0		2003-05-?? [WRS]
444119217SmurrayFreeBSD 5.1		2003-06-09 [FBD]
445121648SmurrayMac OS X 10.3		2003-10-24 [APL]
446121648SmurrayFreeBSD 4.9		2003-10-28 [FBD]
447126724SwoschBSD/OS 5.1 ISE		2003-10-?? [WRS] (final version)
448121787SwoschOpenBSD 3.4		2003-11-01 [OBD]
449124462SmaximFreeBSD 5.2		2004-01-12 [FBD]
450126235SwoschFreeBSD 5.2.1		2004-02-22 [FBD] (patch release)
451128863SmaximNetBSD 1.6.2		2004-03-01 [NBD] (patch release)
452128863SmaximOpenBSD 3.5		2004-04-01 [OBD]
453129793ShrsFreeBSD 4.10		2004-05-27 [FBD]
454144864SmaximDragonFly 1.0		2004-07-12 [DFB]
455137120SmaximOpenBSD 3.6		2004-10-29 [OBD]
456137326ShrsFreeBSD 5.3		2004-11-06 [FBD]
457138844SmaximNetBSD 2.0		2004-12-09 [NBD]
458140831SmaximFreeBSD 4.11		2005-01-25 [FBD]
459144864SmaximDragonFly 1.2.0		2005-04-08 [DFB]
460147593ShrsNetBSD 2.0.2		2005-04-14 [NBD] (security/critical release)
461146091SmaximMac OS X 10.4		2005-04-29 [APL]
462146071SmaximFreeBSD 5.4		2005-05-09 [FBD]
463146433SmaximOpenBSD 3.7		2005-05-19 [OBD]
464152004SmaximNetBSD 2.0.3		2005-10-31 [NBD] (security/critical release)
465151926SmaximOpenBSD 3.8		2005-11-01 [OBD]
466152003SmaximFreeBSD 6.0		2005-11-01 [FBD]
467152004SmaximNetBSD 2.1		2005-11-02 [NBD]
468153699SmaximNetBSD 3.0		2005-12-23 [NBD]
469154120SmaximDragonFly 1.4.0		2006-01-08 [DFB]
470158234SmaximOpenBSD 3.9		2006-05-01 [OBD]
471158956SmaximFreeBSD 6.1		2006-05-08 [FBD]
472158956SmaximFreeBSD 5.5		2006-05-25 [FBD]
473160877SmaximNetBSD 3.0.1		2006-07-24 [NBD] (security/critical release)
474160663SmaximDragonFly 1.6.0		2006-07-24 [DFB]
475163859SmaximOpenBSD 4.0		2006-11-01 [OBD]
476164001SmaximNetBSD 3.0.2		2006-11-04 [NBD] (security/critical release)
477164001SmaximNetBSD 3.1		2006-11-04 [NBD]
478166020SmaximFreeBSD 6.2		2007-01-15 [FBD]
479166362SmaximDragonFly 1.8.0		2007-01-30 [DFB]
480169192SmaximOpenBSD 4.1		2007-05-01 [OBD]
481171777SmaximDragonFly 1.10.0	2007-08-06 [DFB]
482176637SmaximMac OS X 10.5		2007-10-26 [APL]
483173289SmaximOpenBSD 4.2		2007-11-01 [OBD]
484174783SmaximNetBSD 4.0		2007-12-19 [NBD]
485175454SmaximFreeBSD 6.3		2008-01-18 [FBD]
486176637SmaximDragonFly 1.12.0	2008-02-26 [DFB]
487176637SmaximFreeBSD 7.0		2008-02-27 [FBD]
488178706SmaximOpenBSD 4.3		2008-05-01 [OBD]
489180757SmaximDragonFly 2.0.0		2008-07-21 [DFB]
490184517SmaximOpenBSD 4.4		2008-11-01 [OBD]
49124424Swosch
49224424SwoschBibliography
49324424Swosch------------------------
49424424Swosch
49524424SwoschLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
49624424SwoschQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating
49724424SwoschSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
49824424Swosch
49924424SwoschSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
50024424SwoschCompany, Inc., 1994. ISBN 0-201-54777-5
50124424Swosch
50224424SwoschMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
50324424SwoschQuarterman. The Design and Implementation of the 4.4BSD Operating
50424424SwoschSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
50524424Swosch
506134378SosaMcKusick, Marshall Kirk, George Neville-Neil. The Design and
507134378SosaImplementation of the FreeBSD Operating System.
508134378SosaAddison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2
509134378Sosa
51025031SwoschDoug McIlroy. Research Unix Reader.
51125031Swosch
51224424SwoschMichael G. Brown. The Role of BSD in the Development of Unix.
51324424SwoschPresented to the Tasmanian Unix Special Interest Group of the
51424424SwoschAustralian Computer Society, Hobart, August 1993.
51524424Swosch
51659769SgrogPeter H. Salus. Unix at 25. Byte Magazine, October 1994.
517147051SmaximURL: http://www.byte.com/art/9410/sec8/art3.htm
51824424Swosch
51925031SwoschAndreas Klemm, Lars K�ller. If you're going to San Francisco ...
52025031SwoschDie freien BSD-Varianten von Unix. c't April 1997, page 368ff.
52125031Swosch
52225031SwoschBSD Release Announcements collection.
52359769SgrogURL: http://www.de.FreeBSD.org/de/ftp/releases/
52425031Swosch
52531658SwoschBSD Hypertext Man Pages
52679514SitojunURL: http://www.FreeBSD.org/cgi/man.cgi
52731658Swosch
52859769SgrogUNIX history graphing project
52979514SitojunURL: http://minnie.tuhs.org/Unix_History/index.html
53059769Sgrog
53165415SwoschUNIX history
532104786SjhbURL: http://www.levenez.com/unix/
53365415Swosch
53475834SwoschJames Howard: The BSD Family Tree
535156214SmaximURL: http://ezine.daemonnews.org/200104/bsd_family.html
53675834Swosch("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
53775834Swosch
53875834Swosch
53925031SwoschAcknowledgments
54025031Swosch---------------
54125031Swosch
54259769SgrogJosh Gilliam for suggestions, bug fixes, and finding very old
54325031Swoschoriginal BSD announcements from Usenet or tapes.
54425031Swosch
54531658SwoschSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
54625031Swosch
54724424Swosch--
548166020SmaximCopyright (c) 1997-2007 Wolfram Schneider <wosch@FreeBSD.ORG>
549121787SwoschURL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree
55042589Swosch
55150970Speter$FreeBSD: head/share/misc/bsd-family-tree 184517 2008-11-01 06:48:28Z maxim $
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