bsd-family-tree revision 215733
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       |
154214628Suqs |      |           \ |      | 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                 |
231215733Smaxim |             \      |      |    |            |                       |
232215733Smaxim |              |     |      |    |            |                DragonFly 2.4.0
233215733Smaxim |              |     |      |    |        OpenBSD 4.6                 |
234215733Smaxim |              |     |      |    |            |                       |
235215733Smaxim *--FreeBSD     |     |      |    |            |                       |
236215733Smaxim |    8.0       |     |      |    |            |                       |
237215733Smaxim |     |    FreeBSD   |      |    |            |                       |
238215733Smaxim |     |       7.3    |      |    |            |                DragonFly 2.6.0
239215733Smaxim |     |              |      |    |        OpenBSD 4.7                 |
240215733Smaxim |  FreeBSD           |      |    |            |                       |
241215733Smaxim |    8.1             |      |    |            |                       |
242215733Smaxim |     |              |      |    |            |                DragonFly 2.8.0
243215733Smaxim |     |              |      |    |        OpenBSD 4.8                 |
244215733Smaxim |     V              |      | NetBSD 5.1      |                       |
245175454Smaxim |                    |      |                 |                       |
246199859SmaximFreeBSD 9 -current    |  NetBSD -current  OpenBSD -current             |
247152003Smaxim |                    |      |                 |                       |
248132652Sosa v                    v      v                 v                       v
24924424Swosch
25024424SwoschTime
25124424Swosch----------------
25224424Swosch
25369277SasmodaiTime tolerance +/- 6 months, depending on which book/article you read; if it
25469277Sasmodaiwas the announcement in Usenet or if it was available as tape.
25524424Swosch
25625031Swosch[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
25725031Swosch	and John Quarterman. The Design and Implementation of
25825031Swosch	the 4.4BSD Operating System.
25980675Sasmodai[APL] Apple website [http://www.apple.com/macosx/]
260104782Sjhb[BSDI] Berkeley Software Design, Inc.
261144864Smaxim[DFB] DragonFlyBSD Project, The.
26225031Swosch[DOC] README, COPYRIGHT on tape.
263104782Sjhb[FBD] FreeBSD Project, The.
264104782Sjhb[KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
265104782Sjhb	Volume 11, Info 4, April, 1987.
266104797Sjhb[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
267104797Sjhb	comp.bugs.4bsd.ucb-fixes, June 15, 1988.
26825031Swosch[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
26925031Swosch	Changes in the Kernel in 2.9BSD. Second Berkeley Software
27025031Swosch	Distribution UNIX Version 2.9, July, 1983.
27145349Swosch[NBD] NetBSD Project, The.
27245349Swosch[OBD] OpenBSD Project, The.
273104782Sjhb[QCU] Salus, Peter H. A quarter century of UNIX.
274104782Sjhb[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
275195044Simp[TUHS] The Unix Historical Society.  http://minnie.tuhs.org/Unix_History/.
276104782Sjhb[USE] Usenet announcement.
277104782Sjhb[WRS] Wind River Systems, Inc.
27842704Swosch[dmr] Dennis Ritchie, via E-Mail
27925031Swosch
28024424SwoschMultics                 1965
28159769SgrogUNIX                    Summer 1969
28225031Swosch				DEC PDP-7
28325031SwoschFirst   Edition         1971-11-03 [QCU]
28425031Swosch				DEC PDP-11/20, Assembler
28525031SwoschSecond  Edition         1972-06-12 [QCU]
28659769Sgrog				10 UNIX installations
28725031SwoschThird   Edition         1973-02-xx [QCU]
28825031Swosch				Pipes, 16 installations
28925031SwoschFourth  Edition         1973-11-xx [QCU]
29025031Swosch				rewriting in C effected,
29124424Swosch                                above 30 installations
29225031SwoschFifth   Edition         1974-06-xx [QCU]
29325031Swosch				above 50 installations
29425031SwoschSixth   Edition         1975-05-xx [QCU]
29525031Swosch				port to DEC Vax
29625031SwoschSeventh Edition         1979-01-xx [QCU]
29759769Sgrog				first portable UNIX
29859769SgrogEighth  Edition         1985-02-xx [QCU]
29942704Swosch				VAX 11/750, VAX 11/780 [dmr]
30042704Swosch				descended from 4.1c BSD [dmr]
30142704Swosch				descended from 4.1 BSD [44B]
30270110Swosch			scooping-out and replacement of the character-device
30342704Swosch			and networking part by the streams mechanism
30442704Swosch
30525031SwoschNinth   Edition         1986-09-xx [QCU]
30625031SwoschTenth   Edition         1989-10-xx [QCU]
30724424Swosch
30825031Swosch1BSD                    late 1977
30925031Swosch			1978-03-09 [QCU]
31025031Swosch				PDP-11, Pascal, ex(1)
31125031Swosch				30 free copies of 1BSD sent out
31225031Swosch				35 tapes sold for 50 USD [QCU]
313195044Simp2BSD                    mid 1978 [QCU] 1979-05-10 [TUHS]
31425031Swosch				75 2BSD tapes shipped
315195044Simp2.79BSD			1980-04-xx [TUHS]
31625031Swosch2.8BSD			1981-07-xx [KSJ]
31724424Swosch
31825031Swosch2.8.1BSD		1982-01-xx [QCU]
31925031Swosch				set of performance improvements
32025031Swosch2.9BSD			1983-07-xx [KSJ]
321195044Simp2.9.1BSD                1983-11-xx [TUHS]
32225031Swosch2.9BSD-Seismo		1985-08-xx [SMS]
32325031Swosch2.10BSD			1987-04-xx [KKK]
32425031Swosch2.10.1BSD		1989-01-xx [SMS]
32525031Swosch2.11BSD			1992-02-xx [SMS]
32659156Swosch2.11BSD rev #430	1999-12-13 [SMS]
32725031Swosch
32825031Swosch32V			1978-1[01]-xx [QCU]
329195044Simp3BSD                    late 1979 [QCU] March 1980 [TUHS]
33025031Swosch				virtual memory, page replacement,
33125031Swosch                        	demand paging
33225031Swosch4.0BSD                  1980-10-xx
33389981Sjoe4.1BSD                  1981-07-08 [DOC]
33425031Swosch4.1aBSD                 1982-04-xx
33525031Swosch				alpha release, 100 sites, networking [44B]
33625031Swosch4.1bBSD				internal release, fast filesystem [44B]
33724424Swosch4.1cBSD                 late 1982
33825031Swosch				beta release, IPC [44B]
33925031Swosch4.2BSD                  1983-09-xx [QCU]
34089981Sjoe                        1983-08-03 [DOC]
34125031Swosch4.3BSD                  1986-06-xx [QCU]
34289981Sjoe			1986-04-05 [KB], [DOC]
34389981Sjoe4.3BSD Tahoe            1988-06-15 [QCU], [DOC]
34425031Swosch4.3BSD NET/1            1988-11-xx [QCU]
34589981Sjoe                        1989-01-01 [DOC]
34689981Sjoe4.3BSD Reno             1990-06-29 [QCU], [DOC]
34789981Sjoe4.3BSD NET/2            1991-06-28 [QCU], [DOC]
34870110Swosch
34971231SitojunBSD/386 ALPHA		1991-12-xx [BSDI]
35070110Swosch				first code released to people outside BSDI
35125031Swosch386BSD 0.0              1992-02-xx [DOC]
35271231SitojunBSD/386 0.3.1	        1992-04-xx [BSDI] first ext. beta; B customers
35371231SitojunBSD/386 0.3.3		1992-06-xx [BSDI] first CDROM version
35469278Sasmodai386BSD 0.1              1992-07-28 [DOC]
35525031Swosch4.4BSD Alpha            1992-07-07
35671231SitojunBSD/386 0.9.3		1992-10-xx [BSDI]
35770110Swosch				first external gamma; G customers
35871231SitojunBSD/386 0.9.4		1992-12-xx [BSDI]
35970110Swosch				would have been 1.0 except for request
36070110Swosch				for preliminary injunction
36171231SitojunBSD/386 1.0 		1993-03-xx [BSDI]
36270110Swosch				injunction denied; first official release
36357000SwoschNetBSD 0.8              1993-04-20 [NBD]
36425031Swosch4.4BSD                  1993-06-01 [USE]
36545349SwoschNetBSD 0.9              1993-08-23 [NBD]
36678270SnikFreeBSD 1.0		1993-11-01 [FBD]
367170145SimpFreeBSD 1.0.2		1993-11-14 [FBD]
368170145Simp				supersedes 1.0 13 days after release.
36971231SitojunBSD/386 1.1		1994-02-xx [BSDI]
37025031Swosch4.4BSD Lite             1994-03-01 [USE]
371147051SmaximFreeBSD 1.1		1994-05-07 [FBD]
372147051SmaximFreeBSD 1.1.5		1994-06-30 [FBD]
373147051SmaximFreeBSD 1.1.5.1		1994-07-05 [FBD]
374147051Smaxim				supersedes 1.1.5 5 days after release.
37557000SwoschNetBSD 1.0              1994-10-26 [NBD]
37638440Sjkh386BSD 1.0              1994-11-12 [USE]
377147055SmaximFreeBSD 2.0		1994-11-23 [FBD]
37870110SwoschBSD/OS 2.0		1995-01-xx [BSDI] 4.4 lite based
37969278SasmodaiFreeBSD 2.0.5		1995-06-10 [FBD]
38070110SwoschBSD/OS 2.0.1		1995-06-xx [BSDI]
38125031Swosch4.4BSD Lite Release 2	1995-06-xx [44B]
38225031Swosch				the true final distribution from the CSRG
38369278SasmodaiFreeBSD 2.1.0		1995-11-19 [FBD]
38445349SwoschNetBSD 1.1              1995-11-26 [NBD]
38570110SwoschBSD/OS 2.1		1996-01-xx [BSDI]
38669278SasmodaiFreeBSD 2.1.5		1996-07-14 [FBD]
38745349SwoschNetBSD 1.2              1996-10-04 [NBD]
38845349SwoschOpenBSD 2.0             1996-10-18 [OBD]
38969278SasmodaiFreeBSD 2.1.6		1996-11-16 [FBD]
39069278SasmodaiFreeBSD 2.1.6.1		1996-11-25 [FBD] (sendmail security release)
39180675SasmodaiRhapsody		1997-xx-xx
39269278SasmodaiFreeBSD 2.1.7		1997-02-20 [FBD]
39370110SwoschBSD/OS 3.0		1997-02-xx [BSDI] 4.4 lite2 based
39469278SasmodaiFreeBSD 2.2.0		1997-03-16 [FBD]
39569278SasmodaiFreeBSD 2.2.1		1997-03-25 [FBD]
39669278SasmodaiFreeBSD 2.2.2		1997-05-16 [FBD]
39757000SwoschNetBSD 1.2.1            1997-05-20 [NBD] (patch release)
39845349SwoschOpenBSD 2.1             1997-06-01 [OBD]
39969277SasmodaiFreeBSD 2.2.5		1997-10-22 [FBD]
40045349SwoschOpenBSD 2.2             1997-12-01 [OBD]
40166542SitojunNetBSD 1.3              1998-01-04 [NBD]
40269277SasmodaiFreeBSD 2.2.6		1998-03-25 [FBD]
40357000SwoschNetBSD 1.3.1            1998-03-09 [NBD] (patch release)
40470110SwoschBSD/OS 3.1		1998-03-xx [BSDI]
40545349SwoschOpenBSD 2.3             1998-05-19 [OBD]
40657000SwoschNetBSD 1.3.2            1998-05-29 [NBD] (patch release)
40769277SasmodaiFreeBSD 2.2.7		1998-07-22 [FBD]
40870110SwoschBSD/OS 4.0		1998-08-xx [BSDI]
40970110Swosch				2-lock MP support, ELF executables
41042589SwoschFreeBSD 3.0		1998-10-16 [FBD]
41170110Swosch				FreeBSD-3.0 is a snapshot from -current,
41270110Swosch				while 3.1 and 3.2 are from 3.x-stable which
41346321Swosch				was branched quite some time after 3.0-release
41445349SwoschFreeBSD 2.2.8           1998-11-29 [FBD]
41545349SwoschOpenBSD 2.4             1998-12-01 [OBD]
41657000SwoschNetBSD 1.3.3            1998-12-23 [NBD] (patch release)
41746318SwoschFreeBSD 3.1		1999-02-15 [FBD]
41870110SwoschBSD/OS 4.0.1		1999-03-xx [BSDI]
41956406SwoschNetBSD 1.4              1999-05-12 [NBD]
42055389SbillfFreeBSD 3.2             1999-05-17 [FBD]
42155389SbillfOpenBSD 2.5             1999-05-19 [OBD]
42257000SwoschNetBSD 1.4.1            1999-08-26 [NBD] (patch release)
42355389SbillfFreeBSD 3.3             1999-09-17 [FBD]
42455389SbillfOpenBSD 2.6             1999-12-01 [OBD]
42555389SbillfFreeBSD 3.4             1999-12-20 [FBD]
42670110SwoschBSD/OS 4.1		1999-12-xx [BSDI]
42758448SwoschFreeBSD 4.0             2000-03-13 [FBD]
42858448SwoschNetBSD 1.4.2            2000-03-19 [NBD] (patch release)
42965412SwoschOpenBSD 2.7             2000-06-15 [OBD]
43064612SalexFreeBSD 3.5		2000-06-24 [FBD]
43164612SalexFreeBSD 4.1		2000-07-27 [FBD]
43265411SwoschFreeBSD 3.5.1		2000-07-28 [FBD]
43365974SwoschFreeBSD 4.1.1		2000-09-25 [FBD] (a network-only patch release)
43469277SasmodaiFreeBSD 4.2  		2000-11-21 [FBD]
43569277SasmodaiNetBSD 1.4.3		2000-11-25 [NBD] (patch release)
43670119SwoschBSD/OS 4.2		2000-11-29 [BSDI]
43769277SasmodaiOpenBSD 2.8		2000-12-01 [OBD]
43870111SwoschNetBSD 1.5              2000-12-06 [NBD]
43980675SasmodaiMac OS X 10.0           2001-03-24 [APL]
44075833SwoschFreeBSD 4.3  		2001-04-20 [FBD]
44178867SitojunOpenBSD 2.9  		2001-06-01 [OBD]
44279603SitojunNetBSD 1.5.1		2001-07-11 [NBD] (patch release)
44384087SwoschNetBSD 1.5.2		2001-09-13 [NBD] (patch release)
44483686SobrienFreeBSD 4.4  		2001-09-18 [FBD]
445104797SjhbMac OS X 10.1		2001-09-29 [APL]
44687201SwoschOpenBSD 3.0		2001-12-01 [OBD]
44792013SwoschFreeBSD 4.5  		2002-01-29 [FBD]
448104772SmaximBSD/OS 4.3		2002-03-14 [WRS]
449101331SwoschOpenBSD 3.1		2002-05-19 [OBD]
450101331SwoschFreeBSD 4.6  		2002-06-15 [FBD]
451104797SjhbNetBSD 1.5.3		2002-07-22 [NBD] (patch release)
452104781SjhbFreeBSD 4.6.2		2002-08-15 [FBD] (patch release)
453104781SjhbMac OS X 10.2		2002-08-23 [APL]
454104781SjhbNetBSD 1.6		2002-09-14 [NBD]
455104659SmurrayFreeBSD 4.7		2002-10-08 [FBD]
456106406SmaximOpenBSD 3.2		2002-11-01 [OBD]
457111949SwoschFreeBSD 5.0		2003-01-17 [FBD]
458111949Swosch				FreeBSD 5.0 is a separate branch off of
459111949Swosch				-current, similar to 3.0.
460113054SmurrayFreeBSD 4.8		2003-04-03 [FBD]
461114211SwoschNetBSD 1.6.1		2003-04-21 [NBD] (patch release)
462114572SwoschOpenBSD 3.3		2003-05-01 [OBD]
463119217SmurrayBSD/OS 5.0		2003-05-?? [WRS]
464119217SmurrayFreeBSD 5.1		2003-06-09 [FBD]
465121648SmurrayMac OS X 10.3		2003-10-24 [APL]
466121648SmurrayFreeBSD 4.9		2003-10-28 [FBD]
467126724SwoschBSD/OS 5.1 ISE		2003-10-?? [WRS] (final version)
468121787SwoschOpenBSD 3.4		2003-11-01 [OBD]
469124462SmaximFreeBSD 5.2		2004-01-12 [FBD]
470126235SwoschFreeBSD 5.2.1		2004-02-22 [FBD] (patch release)
471128863SmaximNetBSD 1.6.2		2004-03-01 [NBD] (patch release)
472128863SmaximOpenBSD 3.5		2004-04-01 [OBD]
473129793ShrsFreeBSD 4.10		2004-05-27 [FBD]
474144864SmaximDragonFly 1.0		2004-07-12 [DFB]
475137120SmaximOpenBSD 3.6		2004-10-29 [OBD]
476137326ShrsFreeBSD 5.3		2004-11-06 [FBD]
477138844SmaximNetBSD 2.0		2004-12-09 [NBD]
478140831SmaximFreeBSD 4.11		2005-01-25 [FBD]
479144864SmaximDragonFly 1.2.0		2005-04-08 [DFB]
480147593ShrsNetBSD 2.0.2		2005-04-14 [NBD] (security/critical release)
481146091SmaximMac OS X 10.4		2005-04-29 [APL]
482146071SmaximFreeBSD 5.4		2005-05-09 [FBD]
483146433SmaximOpenBSD 3.7		2005-05-19 [OBD]
484152004SmaximNetBSD 2.0.3		2005-10-31 [NBD] (security/critical release)
485151926SmaximOpenBSD 3.8		2005-11-01 [OBD]
486152003SmaximFreeBSD 6.0		2005-11-01 [FBD]
487152004SmaximNetBSD 2.1		2005-11-02 [NBD]
488153699SmaximNetBSD 3.0		2005-12-23 [NBD]
489154120SmaximDragonFly 1.4.0		2006-01-08 [DFB]
490158234SmaximOpenBSD 3.9		2006-05-01 [OBD]
491158956SmaximFreeBSD 6.1		2006-05-08 [FBD]
492158956SmaximFreeBSD 5.5		2006-05-25 [FBD]
493160877SmaximNetBSD 3.0.1		2006-07-24 [NBD] (security/critical release)
494160663SmaximDragonFly 1.6.0		2006-07-24 [DFB]
495163859SmaximOpenBSD 4.0		2006-11-01 [OBD]
496164001SmaximNetBSD 3.0.2		2006-11-04 [NBD] (security/critical release)
497164001SmaximNetBSD 3.1		2006-11-04 [NBD]
498166020SmaximFreeBSD 6.2		2007-01-15 [FBD]
499166362SmaximDragonFly 1.8.0		2007-01-30 [DFB]
500169192SmaximOpenBSD 4.1		2007-05-01 [OBD]
501171777SmaximDragonFly 1.10.0	2007-08-06 [DFB]
502176637SmaximMac OS X 10.5		2007-10-26 [APL]
503173289SmaximOpenBSD 4.2		2007-11-01 [OBD]
504174783SmaximNetBSD 4.0		2007-12-19 [NBD]
505175454SmaximFreeBSD 6.3		2008-01-18 [FBD]
506176637SmaximDragonFly 1.12.0	2008-02-26 [DFB]
507176637SmaximFreeBSD 7.0		2008-02-27 [FBD]
508178706SmaximOpenBSD 4.3		2008-05-01 [OBD]
509180757SmaximDragonFly 2.0.0		2008-07-21 [DFB]
510184517SmaximOpenBSD 4.4		2008-11-01 [OBD]
511185405SmaximFreeBSD 6.4		2008-11-28 [FBD]
512186785SmaximFreeBSD 7.1		2009-01-04 [FBD]
513188759SmaximDragonFly 2.2.0		2009-02-17 [DFB]
514191681SmaximNetBSD 5.0		2009-04-29 [NBD]
515191698SmaximOpenBSD 4.5		2009-05-01 [OBD]
516191834SmaximFreeBSD 7.2		2009-05-04 [FBD]
517197304SmaximDragonFly 2.4.0		2009-09-16 [DFB]
518198210SmaximOpenBSD 4.6		2009-10-18 [OBD]
519199858SmaximFreeBSD 8.0		2009-11-26 [FBD]
520205578SmaximFreeBSD 7.3		2010-03-23 [FBD]
521208336SmaximDragonFly 2.6.0		2010-03-28 [DFB]
522208327SmaximOpenBSD 4.7		2010-05-19 [OBD]
523210871SmaximFreeBSD 8.1		2010-07-24 [FBD]
524214628SuqsDragonFly 2.8.0		2010-10-30 [DFB]
525214628SuqsOpenBSD 4.8		2010-11-01 [OBD]
526215733SmaximNetBSD 5.1		2010-11-19 [NBD]
52724424Swosch
52824424SwoschBibliography
52924424Swosch------------------------
53024424Swosch
53124424SwoschLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
53224424SwoschQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating
53324424SwoschSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
53424424Swosch
53524424SwoschSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
53624424SwoschCompany, Inc., 1994. ISBN 0-201-54777-5
53724424Swosch
53824424SwoschMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
53924424SwoschQuarterman. The Design and Implementation of the 4.4BSD Operating
54024424SwoschSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
54124424Swosch
542134378SosaMcKusick, Marshall Kirk, George Neville-Neil. The Design and
543134378SosaImplementation of the FreeBSD Operating System.
544134378SosaAddison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2
545134378Sosa
54625031SwoschDoug McIlroy. Research Unix Reader.
54725031Swosch
54824424SwoschMichael G. Brown. The Role of BSD in the Development of Unix.
54924424SwoschPresented to the Tasmanian Unix Special Interest Group of the
55024424SwoschAustralian Computer Society, Hobart, August 1993.
55124424Swosch
55259769SgrogPeter H. Salus. Unix at 25. Byte Magazine, October 1994.
553147051SmaximURL: http://www.byte.com/art/9410/sec8/art3.htm
55424424Swosch
55525031SwoschAndreas Klemm, Lars K�ller. If you're going to San Francisco ...
55625031SwoschDie freien BSD-Varianten von Unix. c't April 1997, page 368ff.
55725031Swosch
55825031SwoschBSD Release Announcements collection.
559201348SmaximURL: http://www.FreeBSD.org/releases/
56025031Swosch
56131658SwoschBSD Hypertext Man Pages
56279514SitojunURL: http://www.FreeBSD.org/cgi/man.cgi
56331658Swosch
56459769SgrogUNIX history graphing project
56579514SitojunURL: http://minnie.tuhs.org/Unix_History/index.html
56659769Sgrog
56765415SwoschUNIX history
568104786SjhbURL: http://www.levenez.com/unix/
56965415Swosch
57075834SwoschJames Howard: The BSD Family Tree
571156214SmaximURL: http://ezine.daemonnews.org/200104/bsd_family.html
57275834Swosch("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
57375834Swosch
57475834Swosch
57525031SwoschAcknowledgments
57625031Swosch---------------
57725031Swosch
57859769SgrogJosh Gilliam for suggestions, bug fixes, and finding very old
57925031Swoschoriginal BSD announcements from Usenet or tapes.
58025031Swosch
58131658SwoschSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
58225031Swosch
58324424Swosch--
584166020SmaximCopyright (c) 1997-2007 Wolfram Schneider <wosch@FreeBSD.ORG>
585121787SwoschURL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree
58642589Swosch
58750970Speter$FreeBSD: head/share/misc/bsd-family-tree 215733 2010-11-23 06:31:09Z maxim $
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