bsd-family-tree revision 197304
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                  |                      |
28195044Simp               4.0BSD                2.79BSD
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        |      |                 |                       |
220185405Smaxim |            \       |      |                 |                       |
221185405Smaxim *--FreeBSD    |      |      |                 |                DragonFly 1.12.0
222185405Smaxim |    7.0      |      |      |                 |                       |
223185405Smaxim |     |       |      |      |             OpenBSD 4.3                 |
224186785Smaxim |     |       |      |      |                 |                DragonFly 2.0.0
225186785Smaxim |     |    FreeBSD   |      |             OpenBSD 4.4                 |
226186785Smaxim |     |      6.4     |      |                 |                       |
227186785Smaxim |     |              |      |                 |                       |
228186785Smaxim |  FreeBSD 7.1       |      |                 |                       |
229188749Smaxim |     |              |      |                 |                DragonFly 2.2.0
230191834Smaxim |  FreeBSD 7.2       |   NetBSD 5.0       OpenBSD 4.5                 |
231191834Smaxim |     |              |      |                 |                       |
232197304Smaxim |     |              |      |                 |                DragonFly 2.4.0
233191834Smaxim |     V              |      |                 |                       |
234175454Smaxim |                    |      |                 |                       |
235176637SmaximFreeBSD 8 -current    |  NetBSD -current  OpenBSD -current             |
236152003Smaxim |                    |      |                 |                       |
237132652Sosa v                    v      v                 v                       v
23824424Swosch
23924424SwoschTime
24024424Swosch----------------
24124424Swosch
24269277SasmodaiTime tolerance +/- 6 months, depending on which book/article you read; if it
24369277Sasmodaiwas the announcement in Usenet or if it was available as tape.
24424424Swosch
24525031Swosch[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
24625031Swosch	and John Quarterman. The Design and Implementation of
24725031Swosch	the 4.4BSD Operating System.
24880675Sasmodai[APL] Apple website [http://www.apple.com/macosx/]
249104782Sjhb[BSDI] Berkeley Software Design, Inc.
250144864Smaxim[DFB] DragonFlyBSD Project, The.
25125031Swosch[DOC] README, COPYRIGHT on tape.
252104782Sjhb[FBD] FreeBSD Project, The.
253104782Sjhb[KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
254104782Sjhb	Volume 11, Info 4, April, 1987.
255104797Sjhb[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
256104797Sjhb	comp.bugs.4bsd.ucb-fixes, June 15, 1988.
25725031Swosch[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
25825031Swosch	Changes in the Kernel in 2.9BSD. Second Berkeley Software
25925031Swosch	Distribution UNIX Version 2.9, July, 1983.
26045349Swosch[NBD] NetBSD Project, The.
26145349Swosch[OBD] OpenBSD Project, The.
262104782Sjhb[QCU] Salus, Peter H. A quarter century of UNIX.
263104782Sjhb[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
264195044Simp[TUHS] The Unix Historical Society.  http://minnie.tuhs.org/Unix_History/.
265104782Sjhb[USE] Usenet announcement.
266104782Sjhb[WRS] Wind River Systems, Inc.
26742704Swosch[dmr] Dennis Ritchie, via E-Mail
26825031Swosch
26924424SwoschMultics                 1965
27059769SgrogUNIX                    Summer 1969
27125031Swosch				DEC PDP-7
27225031SwoschFirst   Edition         1971-11-03 [QCU]
27325031Swosch				DEC PDP-11/20, Assembler
27425031SwoschSecond  Edition         1972-06-12 [QCU]
27559769Sgrog				10 UNIX installations
27625031SwoschThird   Edition         1973-02-xx [QCU]
27725031Swosch				Pipes, 16 installations
27825031SwoschFourth  Edition         1973-11-xx [QCU]
27925031Swosch				rewriting in C effected,
28024424Swosch                                above 30 installations
28125031SwoschFifth   Edition         1974-06-xx [QCU]
28225031Swosch				above 50 installations
28325031SwoschSixth   Edition         1975-05-xx [QCU]
28425031Swosch				port to DEC Vax
28525031SwoschSeventh Edition         1979-01-xx [QCU]
28659769Sgrog				first portable UNIX
28759769SgrogEighth  Edition         1985-02-xx [QCU]
28842704Swosch				VAX 11/750, VAX 11/780 [dmr]
28942704Swosch				descended from 4.1c BSD [dmr]
29042704Swosch				descended from 4.1 BSD [44B]
29170110Swosch			scooping-out and replacement of the character-device
29242704Swosch			and networking part by the streams mechanism
29342704Swosch
29425031SwoschNinth   Edition         1986-09-xx [QCU]
29525031SwoschTenth   Edition         1989-10-xx [QCU]
29624424Swosch
29725031Swosch1BSD                    late 1977
29825031Swosch			1978-03-09 [QCU]
29925031Swosch				PDP-11, Pascal, ex(1)
30025031Swosch				30 free copies of 1BSD sent out
30125031Swosch				35 tapes sold for 50 USD [QCU]
302195044Simp2BSD                    mid 1978 [QCU] 1979-05-10 [TUHS]
30325031Swosch				75 2BSD tapes shipped
304195044Simp2.79BSD			1980-04-xx [TUHS]
30525031Swosch2.8BSD			1981-07-xx [KSJ]
30624424Swosch
30725031Swosch2.8.1BSD		1982-01-xx [QCU]
30825031Swosch				set of performance improvements
30925031Swosch2.9BSD			1983-07-xx [KSJ]
310195044Simp2.9.1BSD                1983-11-xx [TUHS]
31125031Swosch2.9BSD-Seismo		1985-08-xx [SMS]
31225031Swosch2.10BSD			1987-04-xx [KKK]
31325031Swosch2.10.1BSD		1989-01-xx [SMS]
31425031Swosch2.11BSD			1992-02-xx [SMS]
31559156Swosch2.11BSD rev #430	1999-12-13 [SMS]
31625031Swosch
31725031Swosch32V			1978-1[01]-xx [QCU]
318195044Simp3BSD                    late 1979 [QCU] March 1980 [TUHS]
31925031Swosch				virtual memory, page replacement,
32025031Swosch                        	demand paging
32125031Swosch4.0BSD                  1980-10-xx
32289981Sjoe4.1BSD                  1981-07-08 [DOC]
32325031Swosch4.1aBSD                 1982-04-xx
32425031Swosch				alpha release, 100 sites, networking [44B]
32525031Swosch4.1bBSD				internal release, fast filesystem [44B]
32624424Swosch4.1cBSD                 late 1982
32725031Swosch				beta release, IPC [44B]
32825031Swosch4.2BSD                  1983-09-xx [QCU]
32989981Sjoe                        1983-08-03 [DOC]
33025031Swosch4.3BSD                  1986-06-xx [QCU]
33189981Sjoe			1986-04-05 [KB], [DOC]
33289981Sjoe4.3BSD Tahoe            1988-06-15 [QCU], [DOC]
33325031Swosch4.3BSD NET/1            1988-11-xx [QCU]
33489981Sjoe                        1989-01-01 [DOC]
33589981Sjoe4.3BSD Reno             1990-06-29 [QCU], [DOC]
33689981Sjoe4.3BSD NET/2            1991-06-28 [QCU], [DOC]
33770110Swosch
33871231SitojunBSD/386 ALPHA		1991-12-xx [BSDI]
33970110Swosch				first code released to people outside BSDI
34025031Swosch386BSD 0.0              1992-02-xx [DOC]
34171231SitojunBSD/386 0.3.1	        1992-04-xx [BSDI] first ext. beta; B customers
34271231SitojunBSD/386 0.3.3		1992-06-xx [BSDI] first CDROM version
34369278Sasmodai386BSD 0.1              1992-07-28 [DOC]
34425031Swosch4.4BSD Alpha            1992-07-07
34571231SitojunBSD/386 0.9.3		1992-10-xx [BSDI]
34670110Swosch				first external gamma; G customers
34771231SitojunBSD/386 0.9.4		1992-12-xx [BSDI]
34870110Swosch				would have been 1.0 except for request
34970110Swosch				for preliminary injunction
35071231SitojunBSD/386 1.0 		1993-03-xx [BSDI]
35170110Swosch				injunction denied; first official release
35257000SwoschNetBSD 0.8              1993-04-20 [NBD]
35325031Swosch4.4BSD                  1993-06-01 [USE]
35445349SwoschNetBSD 0.9              1993-08-23 [NBD]
35578270SnikFreeBSD 1.0		1993-11-01 [FBD]
356170145SimpFreeBSD 1.0.2		1993-11-14 [FBD]
357170145Simp				supersedes 1.0 13 days after release.
35871231SitojunBSD/386 1.1		1994-02-xx [BSDI]
35925031Swosch4.4BSD Lite             1994-03-01 [USE]
360147051SmaximFreeBSD 1.1		1994-05-07 [FBD]
361147051SmaximFreeBSD 1.1.5		1994-06-30 [FBD]
362147051SmaximFreeBSD 1.1.5.1		1994-07-05 [FBD]
363147051Smaxim				supersedes 1.1.5 5 days after release.
36457000SwoschNetBSD 1.0              1994-10-26 [NBD]
36538440Sjkh386BSD 1.0              1994-11-12 [USE]
366147055SmaximFreeBSD 2.0		1994-11-23 [FBD]
36770110SwoschBSD/OS 2.0		1995-01-xx [BSDI] 4.4 lite based
36869278SasmodaiFreeBSD 2.0.5		1995-06-10 [FBD]
36970110SwoschBSD/OS 2.0.1		1995-06-xx [BSDI]
37025031Swosch4.4BSD Lite Release 2	1995-06-xx [44B]
37125031Swosch				the true final distribution from the CSRG
37269278SasmodaiFreeBSD 2.1.0		1995-11-19 [FBD]
37345349SwoschNetBSD 1.1              1995-11-26 [NBD]
37470110SwoschBSD/OS 2.1		1996-01-xx [BSDI]
37569278SasmodaiFreeBSD 2.1.5		1996-07-14 [FBD]
37645349SwoschNetBSD 1.2              1996-10-04 [NBD]
37745349SwoschOpenBSD 2.0             1996-10-18 [OBD]
37869278SasmodaiFreeBSD 2.1.6		1996-11-16 [FBD]
37969278SasmodaiFreeBSD 2.1.6.1		1996-11-25 [FBD] (sendmail security release)
38080675SasmodaiRhapsody		1997-xx-xx
38169278SasmodaiFreeBSD 2.1.7		1997-02-20 [FBD]
38270110SwoschBSD/OS 3.0		1997-02-xx [BSDI] 4.4 lite2 based
38369278SasmodaiFreeBSD 2.2.0		1997-03-16 [FBD]
38469278SasmodaiFreeBSD 2.2.1		1997-03-25 [FBD]
38569278SasmodaiFreeBSD 2.2.2		1997-05-16 [FBD]
38657000SwoschNetBSD 1.2.1            1997-05-20 [NBD] (patch release)
38745349SwoschOpenBSD 2.1             1997-06-01 [OBD]
38869277SasmodaiFreeBSD 2.2.5		1997-10-22 [FBD]
38945349SwoschOpenBSD 2.2             1997-12-01 [OBD]
39066542SitojunNetBSD 1.3              1998-01-04 [NBD]
39169277SasmodaiFreeBSD 2.2.6		1998-03-25 [FBD]
39257000SwoschNetBSD 1.3.1            1998-03-09 [NBD] (patch release)
39370110SwoschBSD/OS 3.1		1998-03-xx [BSDI]
39445349SwoschOpenBSD 2.3             1998-05-19 [OBD]
39557000SwoschNetBSD 1.3.2            1998-05-29 [NBD] (patch release)
39669277SasmodaiFreeBSD 2.2.7		1998-07-22 [FBD]
39770110SwoschBSD/OS 4.0		1998-08-xx [BSDI]
39870110Swosch				2-lock MP support, ELF executables
39942589SwoschFreeBSD 3.0		1998-10-16 [FBD]
40070110Swosch				FreeBSD-3.0 is a snapshot from -current,
40170110Swosch				while 3.1 and 3.2 are from 3.x-stable which
40246321Swosch				was branched quite some time after 3.0-release
40345349SwoschFreeBSD 2.2.8           1998-11-29 [FBD]
40445349SwoschOpenBSD 2.4             1998-12-01 [OBD]
40557000SwoschNetBSD 1.3.3            1998-12-23 [NBD] (patch release)
40646318SwoschFreeBSD 3.1		1999-02-15 [FBD]
40770110SwoschBSD/OS 4.0.1		1999-03-xx [BSDI]
40856406SwoschNetBSD 1.4              1999-05-12 [NBD]
40955389SbillfFreeBSD 3.2             1999-05-17 [FBD]
41055389SbillfOpenBSD 2.5             1999-05-19 [OBD]
41157000SwoschNetBSD 1.4.1            1999-08-26 [NBD] (patch release)
41255389SbillfFreeBSD 3.3             1999-09-17 [FBD]
41355389SbillfOpenBSD 2.6             1999-12-01 [OBD]
41455389SbillfFreeBSD 3.4             1999-12-20 [FBD]
41570110SwoschBSD/OS 4.1		1999-12-xx [BSDI]
41658448SwoschFreeBSD 4.0             2000-03-13 [FBD]
41758448SwoschNetBSD 1.4.2            2000-03-19 [NBD] (patch release)
41865412SwoschOpenBSD 2.7             2000-06-15 [OBD]
41964612SalexFreeBSD 3.5		2000-06-24 [FBD]
42064612SalexFreeBSD 4.1		2000-07-27 [FBD]
42165411SwoschFreeBSD 3.5.1		2000-07-28 [FBD]
42265974SwoschFreeBSD 4.1.1		2000-09-25 [FBD] (a network-only patch release)
42369277SasmodaiFreeBSD 4.2  		2000-11-21 [FBD]
42469277SasmodaiNetBSD 1.4.3		2000-11-25 [NBD] (patch release)
42570119SwoschBSD/OS 4.2		2000-11-29 [BSDI]
42669277SasmodaiOpenBSD 2.8		2000-12-01 [OBD]
42770111SwoschNetBSD 1.5              2000-12-06 [NBD]
42880675SasmodaiMac OS X 10.0           2001-03-24 [APL]
42975833SwoschFreeBSD 4.3  		2001-04-20 [FBD]
43078867SitojunOpenBSD 2.9  		2001-06-01 [OBD]
43179603SitojunNetBSD 1.5.1		2001-07-11 [NBD] (patch release)
43284087SwoschNetBSD 1.5.2		2001-09-13 [NBD] (patch release)
43383686SobrienFreeBSD 4.4  		2001-09-18 [FBD]
434104797SjhbMac OS X 10.1		2001-09-29 [APL]
43587201SwoschOpenBSD 3.0		2001-12-01 [OBD]
43692013SwoschFreeBSD 4.5  		2002-01-29 [FBD]
437104772SmaximBSD/OS 4.3		2002-03-14 [WRS]
438101331SwoschOpenBSD 3.1		2002-05-19 [OBD]
439101331SwoschFreeBSD 4.6  		2002-06-15 [FBD]
440104797SjhbNetBSD 1.5.3		2002-07-22 [NBD] (patch release)
441104781SjhbFreeBSD 4.6.2		2002-08-15 [FBD] (patch release)
442104781SjhbMac OS X 10.2		2002-08-23 [APL]
443104781SjhbNetBSD 1.6		2002-09-14 [NBD]
444104659SmurrayFreeBSD 4.7		2002-10-08 [FBD]
445106406SmaximOpenBSD 3.2		2002-11-01 [OBD]
446111949SwoschFreeBSD 5.0		2003-01-17 [FBD]
447111949Swosch				FreeBSD 5.0 is a separate branch off of
448111949Swosch				-current, similar to 3.0.
449113054SmurrayFreeBSD 4.8		2003-04-03 [FBD]
450114211SwoschNetBSD 1.6.1		2003-04-21 [NBD] (patch release)
451114572SwoschOpenBSD 3.3		2003-05-01 [OBD]
452119217SmurrayBSD/OS 5.0		2003-05-?? [WRS]
453119217SmurrayFreeBSD 5.1		2003-06-09 [FBD]
454121648SmurrayMac OS X 10.3		2003-10-24 [APL]
455121648SmurrayFreeBSD 4.9		2003-10-28 [FBD]
456126724SwoschBSD/OS 5.1 ISE		2003-10-?? [WRS] (final version)
457121787SwoschOpenBSD 3.4		2003-11-01 [OBD]
458124462SmaximFreeBSD 5.2		2004-01-12 [FBD]
459126235SwoschFreeBSD 5.2.1		2004-02-22 [FBD] (patch release)
460128863SmaximNetBSD 1.6.2		2004-03-01 [NBD] (patch release)
461128863SmaximOpenBSD 3.5		2004-04-01 [OBD]
462129793ShrsFreeBSD 4.10		2004-05-27 [FBD]
463144864SmaximDragonFly 1.0		2004-07-12 [DFB]
464137120SmaximOpenBSD 3.6		2004-10-29 [OBD]
465137326ShrsFreeBSD 5.3		2004-11-06 [FBD]
466138844SmaximNetBSD 2.0		2004-12-09 [NBD]
467140831SmaximFreeBSD 4.11		2005-01-25 [FBD]
468144864SmaximDragonFly 1.2.0		2005-04-08 [DFB]
469147593ShrsNetBSD 2.0.2		2005-04-14 [NBD] (security/critical release)
470146091SmaximMac OS X 10.4		2005-04-29 [APL]
471146071SmaximFreeBSD 5.4		2005-05-09 [FBD]
472146433SmaximOpenBSD 3.7		2005-05-19 [OBD]
473152004SmaximNetBSD 2.0.3		2005-10-31 [NBD] (security/critical release)
474151926SmaximOpenBSD 3.8		2005-11-01 [OBD]
475152003SmaximFreeBSD 6.0		2005-11-01 [FBD]
476152004SmaximNetBSD 2.1		2005-11-02 [NBD]
477153699SmaximNetBSD 3.0		2005-12-23 [NBD]
478154120SmaximDragonFly 1.4.0		2006-01-08 [DFB]
479158234SmaximOpenBSD 3.9		2006-05-01 [OBD]
480158956SmaximFreeBSD 6.1		2006-05-08 [FBD]
481158956SmaximFreeBSD 5.5		2006-05-25 [FBD]
482160877SmaximNetBSD 3.0.1		2006-07-24 [NBD] (security/critical release)
483160663SmaximDragonFly 1.6.0		2006-07-24 [DFB]
484163859SmaximOpenBSD 4.0		2006-11-01 [OBD]
485164001SmaximNetBSD 3.0.2		2006-11-04 [NBD] (security/critical release)
486164001SmaximNetBSD 3.1		2006-11-04 [NBD]
487166020SmaximFreeBSD 6.2		2007-01-15 [FBD]
488166362SmaximDragonFly 1.8.0		2007-01-30 [DFB]
489169192SmaximOpenBSD 4.1		2007-05-01 [OBD]
490171777SmaximDragonFly 1.10.0	2007-08-06 [DFB]
491176637SmaximMac OS X 10.5		2007-10-26 [APL]
492173289SmaximOpenBSD 4.2		2007-11-01 [OBD]
493174783SmaximNetBSD 4.0		2007-12-19 [NBD]
494175454SmaximFreeBSD 6.3		2008-01-18 [FBD]
495176637SmaximDragonFly 1.12.0	2008-02-26 [DFB]
496176637SmaximFreeBSD 7.0		2008-02-27 [FBD]
497178706SmaximOpenBSD 4.3		2008-05-01 [OBD]
498180757SmaximDragonFly 2.0.0		2008-07-21 [DFB]
499184517SmaximOpenBSD 4.4		2008-11-01 [OBD]
500185405SmaximFreeBSD 6.4		2008-11-28 [FBD]
501186785SmaximFreeBSD 7.1		2009-01-04 [FBD]
502188759SmaximDragonFly 2.2.0		2009-02-17 [DFB]
503191681SmaximNetBSD 5.0		2009-04-29 [NBD]
504191698SmaximOpenBSD 4.5		2009-05-01 [OBD]
505191834SmaximFreeBSD 7.2		2009-05-04 [FBD]
506197304SmaximDragonFly 2.4.0		2009-09-16 [DFB]
50724424Swosch
50824424SwoschBibliography
50924424Swosch------------------------
51024424Swosch
51124424SwoschLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
51224424SwoschQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating
51324424SwoschSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
51424424Swosch
51524424SwoschSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
51624424SwoschCompany, Inc., 1994. ISBN 0-201-54777-5
51724424Swosch
51824424SwoschMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
51924424SwoschQuarterman. The Design and Implementation of the 4.4BSD Operating
52024424SwoschSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
52124424Swosch
522134378SosaMcKusick, Marshall Kirk, George Neville-Neil. The Design and
523134378SosaImplementation of the FreeBSD Operating System.
524134378SosaAddison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2
525134378Sosa
52625031SwoschDoug McIlroy. Research Unix Reader.
52725031Swosch
52824424SwoschMichael G. Brown. The Role of BSD in the Development of Unix.
52924424SwoschPresented to the Tasmanian Unix Special Interest Group of the
53024424SwoschAustralian Computer Society, Hobart, August 1993.
53124424Swosch
53259769SgrogPeter H. Salus. Unix at 25. Byte Magazine, October 1994.
533147051SmaximURL: http://www.byte.com/art/9410/sec8/art3.htm
53424424Swosch
53525031SwoschAndreas Klemm, Lars K�ller. If you're going to San Francisco ...
53625031SwoschDie freien BSD-Varianten von Unix. c't April 1997, page 368ff.
53725031Swosch
53825031SwoschBSD Release Announcements collection.
53959769SgrogURL: http://www.de.FreeBSD.org/de/ftp/releases/
54025031Swosch
54131658SwoschBSD Hypertext Man Pages
54279514SitojunURL: http://www.FreeBSD.org/cgi/man.cgi
54331658Swosch
54459769SgrogUNIX history graphing project
54579514SitojunURL: http://minnie.tuhs.org/Unix_History/index.html
54659769Sgrog
54765415SwoschUNIX history
548104786SjhbURL: http://www.levenez.com/unix/
54965415Swosch
55075834SwoschJames Howard: The BSD Family Tree
551156214SmaximURL: http://ezine.daemonnews.org/200104/bsd_family.html
55275834Swosch("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
55375834Swosch
55475834Swosch
55525031SwoschAcknowledgments
55625031Swosch---------------
55725031Swosch
55859769SgrogJosh Gilliam for suggestions, bug fixes, and finding very old
55925031Swoschoriginal BSD announcements from Usenet or tapes.
56025031Swosch
56131658SwoschSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
56225031Swosch
56324424Swosch--
564166020SmaximCopyright (c) 1997-2007 Wolfram Schneider <wosch@FreeBSD.ORG>
565121787SwoschURL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree
56642589Swosch
56750970Speter$FreeBSD: head/share/misc/bsd-family-tree 197304 2009-09-18 07:07:34Z maxim $
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