bsd-family-tree revision 210871
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                 |
231205578Smaxim |             \      |      |                 |                       |
232205578Smaxim |              |     |      |                 |                DragonFly 2.4.0
233205578Smaxim |              |     |      |             OpenBSD 4.6                 |
234205578Smaxim |              |     |      |                 |                       |
235205578Smaxim *--FreeBSD     |     |      |                 |                       |
236205578Smaxim |    8.0       |     |      |                 |                       |
237205578Smaxim |     |    FreeBSD   |      |                 |                       |
238210871Smaxim |     |       7.3    |      |                 |                DragonFly 2.6.0
239210871Smaxim |     |              |      |             OpenBSD 4.7                 |
240210871Smaxim |  FreeBSD           |      |                 |                       |
241210871Smaxim |    8.1             |      |                 |                       |
242210871Smaxim |     |              |      |                 |                       |
243210871Smaxim |     V              |      |                 |                       |
244175454Smaxim |                    |      |                 |                       |
245199859SmaximFreeBSD 9 -current    |  NetBSD -current  OpenBSD -current             |
246152003Smaxim |                    |      |                 |                       |
247132652Sosa v                    v      v                 v                       v
24824424Swosch
24924424SwoschTime
25024424Swosch----------------
25124424Swosch
25269277SasmodaiTime tolerance +/- 6 months, depending on which book/article you read; if it
25369277Sasmodaiwas the announcement in Usenet or if it was available as tape.
25424424Swosch
25525031Swosch[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
25625031Swosch	and John Quarterman. The Design and Implementation of
25725031Swosch	the 4.4BSD Operating System.
25880675Sasmodai[APL] Apple website [http://www.apple.com/macosx/]
259104782Sjhb[BSDI] Berkeley Software Design, Inc.
260144864Smaxim[DFB] DragonFlyBSD Project, The.
26125031Swosch[DOC] README, COPYRIGHT on tape.
262104782Sjhb[FBD] FreeBSD Project, The.
263104782Sjhb[KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
264104782Sjhb	Volume 11, Info 4, April, 1987.
265104797Sjhb[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
266104797Sjhb	comp.bugs.4bsd.ucb-fixes, June 15, 1988.
26725031Swosch[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
26825031Swosch	Changes in the Kernel in 2.9BSD. Second Berkeley Software
26925031Swosch	Distribution UNIX Version 2.9, July, 1983.
27045349Swosch[NBD] NetBSD Project, The.
27145349Swosch[OBD] OpenBSD Project, The.
272104782Sjhb[QCU] Salus, Peter H. A quarter century of UNIX.
273104782Sjhb[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
274195044Simp[TUHS] The Unix Historical Society.  http://minnie.tuhs.org/Unix_History/.
275104782Sjhb[USE] Usenet announcement.
276104782Sjhb[WRS] Wind River Systems, Inc.
27742704Swosch[dmr] Dennis Ritchie, via E-Mail
27825031Swosch
27924424SwoschMultics                 1965
28059769SgrogUNIX                    Summer 1969
28125031Swosch				DEC PDP-7
28225031SwoschFirst   Edition         1971-11-03 [QCU]
28325031Swosch				DEC PDP-11/20, Assembler
28425031SwoschSecond  Edition         1972-06-12 [QCU]
28559769Sgrog				10 UNIX installations
28625031SwoschThird   Edition         1973-02-xx [QCU]
28725031Swosch				Pipes, 16 installations
28825031SwoschFourth  Edition         1973-11-xx [QCU]
28925031Swosch				rewriting in C effected,
29024424Swosch                                above 30 installations
29125031SwoschFifth   Edition         1974-06-xx [QCU]
29225031Swosch				above 50 installations
29325031SwoschSixth   Edition         1975-05-xx [QCU]
29425031Swosch				port to DEC Vax
29525031SwoschSeventh Edition         1979-01-xx [QCU]
29659769Sgrog				first portable UNIX
29759769SgrogEighth  Edition         1985-02-xx [QCU]
29842704Swosch				VAX 11/750, VAX 11/780 [dmr]
29942704Swosch				descended from 4.1c BSD [dmr]
30042704Swosch				descended from 4.1 BSD [44B]
30170110Swosch			scooping-out and replacement of the character-device
30242704Swosch			and networking part by the streams mechanism
30342704Swosch
30425031SwoschNinth   Edition         1986-09-xx [QCU]
30525031SwoschTenth   Edition         1989-10-xx [QCU]
30624424Swosch
30725031Swosch1BSD                    late 1977
30825031Swosch			1978-03-09 [QCU]
30925031Swosch				PDP-11, Pascal, ex(1)
31025031Swosch				30 free copies of 1BSD sent out
31125031Swosch				35 tapes sold for 50 USD [QCU]
312195044Simp2BSD                    mid 1978 [QCU] 1979-05-10 [TUHS]
31325031Swosch				75 2BSD tapes shipped
314195044Simp2.79BSD			1980-04-xx [TUHS]
31525031Swosch2.8BSD			1981-07-xx [KSJ]
31624424Swosch
31725031Swosch2.8.1BSD		1982-01-xx [QCU]
31825031Swosch				set of performance improvements
31925031Swosch2.9BSD			1983-07-xx [KSJ]
320195044Simp2.9.1BSD                1983-11-xx [TUHS]
32125031Swosch2.9BSD-Seismo		1985-08-xx [SMS]
32225031Swosch2.10BSD			1987-04-xx [KKK]
32325031Swosch2.10.1BSD		1989-01-xx [SMS]
32425031Swosch2.11BSD			1992-02-xx [SMS]
32559156Swosch2.11BSD rev #430	1999-12-13 [SMS]
32625031Swosch
32725031Swosch32V			1978-1[01]-xx [QCU]
328195044Simp3BSD                    late 1979 [QCU] March 1980 [TUHS]
32925031Swosch				virtual memory, page replacement,
33025031Swosch                        	demand paging
33125031Swosch4.0BSD                  1980-10-xx
33289981Sjoe4.1BSD                  1981-07-08 [DOC]
33325031Swosch4.1aBSD                 1982-04-xx
33425031Swosch				alpha release, 100 sites, networking [44B]
33525031Swosch4.1bBSD				internal release, fast filesystem [44B]
33624424Swosch4.1cBSD                 late 1982
33725031Swosch				beta release, IPC [44B]
33825031Swosch4.2BSD                  1983-09-xx [QCU]
33989981Sjoe                        1983-08-03 [DOC]
34025031Swosch4.3BSD                  1986-06-xx [QCU]
34189981Sjoe			1986-04-05 [KB], [DOC]
34289981Sjoe4.3BSD Tahoe            1988-06-15 [QCU], [DOC]
34325031Swosch4.3BSD NET/1            1988-11-xx [QCU]
34489981Sjoe                        1989-01-01 [DOC]
34589981Sjoe4.3BSD Reno             1990-06-29 [QCU], [DOC]
34689981Sjoe4.3BSD NET/2            1991-06-28 [QCU], [DOC]
34770110Swosch
34871231SitojunBSD/386 ALPHA		1991-12-xx [BSDI]
34970110Swosch				first code released to people outside BSDI
35025031Swosch386BSD 0.0              1992-02-xx [DOC]
35171231SitojunBSD/386 0.3.1	        1992-04-xx [BSDI] first ext. beta; B customers
35271231SitojunBSD/386 0.3.3		1992-06-xx [BSDI] first CDROM version
35369278Sasmodai386BSD 0.1              1992-07-28 [DOC]
35425031Swosch4.4BSD Alpha            1992-07-07
35571231SitojunBSD/386 0.9.3		1992-10-xx [BSDI]
35670110Swosch				first external gamma; G customers
35771231SitojunBSD/386 0.9.4		1992-12-xx [BSDI]
35870110Swosch				would have been 1.0 except for request
35970110Swosch				for preliminary injunction
36071231SitojunBSD/386 1.0 		1993-03-xx [BSDI]
36170110Swosch				injunction denied; first official release
36257000SwoschNetBSD 0.8              1993-04-20 [NBD]
36325031Swosch4.4BSD                  1993-06-01 [USE]
36445349SwoschNetBSD 0.9              1993-08-23 [NBD]
36578270SnikFreeBSD 1.0		1993-11-01 [FBD]
366170145SimpFreeBSD 1.0.2		1993-11-14 [FBD]
367170145Simp				supersedes 1.0 13 days after release.
36871231SitojunBSD/386 1.1		1994-02-xx [BSDI]
36925031Swosch4.4BSD Lite             1994-03-01 [USE]
370147051SmaximFreeBSD 1.1		1994-05-07 [FBD]
371147051SmaximFreeBSD 1.1.5		1994-06-30 [FBD]
372147051SmaximFreeBSD 1.1.5.1		1994-07-05 [FBD]
373147051Smaxim				supersedes 1.1.5 5 days after release.
37457000SwoschNetBSD 1.0              1994-10-26 [NBD]
37538440Sjkh386BSD 1.0              1994-11-12 [USE]
376147055SmaximFreeBSD 2.0		1994-11-23 [FBD]
37770110SwoschBSD/OS 2.0		1995-01-xx [BSDI] 4.4 lite based
37869278SasmodaiFreeBSD 2.0.5		1995-06-10 [FBD]
37970110SwoschBSD/OS 2.0.1		1995-06-xx [BSDI]
38025031Swosch4.4BSD Lite Release 2	1995-06-xx [44B]
38125031Swosch				the true final distribution from the CSRG
38269278SasmodaiFreeBSD 2.1.0		1995-11-19 [FBD]
38345349SwoschNetBSD 1.1              1995-11-26 [NBD]
38470110SwoschBSD/OS 2.1		1996-01-xx [BSDI]
38569278SasmodaiFreeBSD 2.1.5		1996-07-14 [FBD]
38645349SwoschNetBSD 1.2              1996-10-04 [NBD]
38745349SwoschOpenBSD 2.0             1996-10-18 [OBD]
38869278SasmodaiFreeBSD 2.1.6		1996-11-16 [FBD]
38969278SasmodaiFreeBSD 2.1.6.1		1996-11-25 [FBD] (sendmail security release)
39080675SasmodaiRhapsody		1997-xx-xx
39169278SasmodaiFreeBSD 2.1.7		1997-02-20 [FBD]
39270110SwoschBSD/OS 3.0		1997-02-xx [BSDI] 4.4 lite2 based
39369278SasmodaiFreeBSD 2.2.0		1997-03-16 [FBD]
39469278SasmodaiFreeBSD 2.2.1		1997-03-25 [FBD]
39569278SasmodaiFreeBSD 2.2.2		1997-05-16 [FBD]
39657000SwoschNetBSD 1.2.1            1997-05-20 [NBD] (patch release)
39745349SwoschOpenBSD 2.1             1997-06-01 [OBD]
39869277SasmodaiFreeBSD 2.2.5		1997-10-22 [FBD]
39945349SwoschOpenBSD 2.2             1997-12-01 [OBD]
40066542SitojunNetBSD 1.3              1998-01-04 [NBD]
40169277SasmodaiFreeBSD 2.2.6		1998-03-25 [FBD]
40257000SwoschNetBSD 1.3.1            1998-03-09 [NBD] (patch release)
40370110SwoschBSD/OS 3.1		1998-03-xx [BSDI]
40445349SwoschOpenBSD 2.3             1998-05-19 [OBD]
40557000SwoschNetBSD 1.3.2            1998-05-29 [NBD] (patch release)
40669277SasmodaiFreeBSD 2.2.7		1998-07-22 [FBD]
40770110SwoschBSD/OS 4.0		1998-08-xx [BSDI]
40870110Swosch				2-lock MP support, ELF executables
40942589SwoschFreeBSD 3.0		1998-10-16 [FBD]
41070110Swosch				FreeBSD-3.0 is a snapshot from -current,
41170110Swosch				while 3.1 and 3.2 are from 3.x-stable which
41246321Swosch				was branched quite some time after 3.0-release
41345349SwoschFreeBSD 2.2.8           1998-11-29 [FBD]
41445349SwoschOpenBSD 2.4             1998-12-01 [OBD]
41557000SwoschNetBSD 1.3.3            1998-12-23 [NBD] (patch release)
41646318SwoschFreeBSD 3.1		1999-02-15 [FBD]
41770110SwoschBSD/OS 4.0.1		1999-03-xx [BSDI]
41856406SwoschNetBSD 1.4              1999-05-12 [NBD]
41955389SbillfFreeBSD 3.2             1999-05-17 [FBD]
42055389SbillfOpenBSD 2.5             1999-05-19 [OBD]
42157000SwoschNetBSD 1.4.1            1999-08-26 [NBD] (patch release)
42255389SbillfFreeBSD 3.3             1999-09-17 [FBD]
42355389SbillfOpenBSD 2.6             1999-12-01 [OBD]
42455389SbillfFreeBSD 3.4             1999-12-20 [FBD]
42570110SwoschBSD/OS 4.1		1999-12-xx [BSDI]
42658448SwoschFreeBSD 4.0             2000-03-13 [FBD]
42758448SwoschNetBSD 1.4.2            2000-03-19 [NBD] (patch release)
42865412SwoschOpenBSD 2.7             2000-06-15 [OBD]
42964612SalexFreeBSD 3.5		2000-06-24 [FBD]
43064612SalexFreeBSD 4.1		2000-07-27 [FBD]
43165411SwoschFreeBSD 3.5.1		2000-07-28 [FBD]
43265974SwoschFreeBSD 4.1.1		2000-09-25 [FBD] (a network-only patch release)
43369277SasmodaiFreeBSD 4.2  		2000-11-21 [FBD]
43469277SasmodaiNetBSD 1.4.3		2000-11-25 [NBD] (patch release)
43570119SwoschBSD/OS 4.2		2000-11-29 [BSDI]
43669277SasmodaiOpenBSD 2.8		2000-12-01 [OBD]
43770111SwoschNetBSD 1.5              2000-12-06 [NBD]
43880675SasmodaiMac OS X 10.0           2001-03-24 [APL]
43975833SwoschFreeBSD 4.3  		2001-04-20 [FBD]
44078867SitojunOpenBSD 2.9  		2001-06-01 [OBD]
44179603SitojunNetBSD 1.5.1		2001-07-11 [NBD] (patch release)
44284087SwoschNetBSD 1.5.2		2001-09-13 [NBD] (patch release)
44383686SobrienFreeBSD 4.4  		2001-09-18 [FBD]
444104797SjhbMac OS X 10.1		2001-09-29 [APL]
44587201SwoschOpenBSD 3.0		2001-12-01 [OBD]
44692013SwoschFreeBSD 4.5  		2002-01-29 [FBD]
447104772SmaximBSD/OS 4.3		2002-03-14 [WRS]
448101331SwoschOpenBSD 3.1		2002-05-19 [OBD]
449101331SwoschFreeBSD 4.6  		2002-06-15 [FBD]
450104797SjhbNetBSD 1.5.3		2002-07-22 [NBD] (patch release)
451104781SjhbFreeBSD 4.6.2		2002-08-15 [FBD] (patch release)
452104781SjhbMac OS X 10.2		2002-08-23 [APL]
453104781SjhbNetBSD 1.6		2002-09-14 [NBD]
454104659SmurrayFreeBSD 4.7		2002-10-08 [FBD]
455106406SmaximOpenBSD 3.2		2002-11-01 [OBD]
456111949SwoschFreeBSD 5.0		2003-01-17 [FBD]
457111949Swosch				FreeBSD 5.0 is a separate branch off of
458111949Swosch				-current, similar to 3.0.
459113054SmurrayFreeBSD 4.8		2003-04-03 [FBD]
460114211SwoschNetBSD 1.6.1		2003-04-21 [NBD] (patch release)
461114572SwoschOpenBSD 3.3		2003-05-01 [OBD]
462119217SmurrayBSD/OS 5.0		2003-05-?? [WRS]
463119217SmurrayFreeBSD 5.1		2003-06-09 [FBD]
464121648SmurrayMac OS X 10.3		2003-10-24 [APL]
465121648SmurrayFreeBSD 4.9		2003-10-28 [FBD]
466126724SwoschBSD/OS 5.1 ISE		2003-10-?? [WRS] (final version)
467121787SwoschOpenBSD 3.4		2003-11-01 [OBD]
468124462SmaximFreeBSD 5.2		2004-01-12 [FBD]
469126235SwoschFreeBSD 5.2.1		2004-02-22 [FBD] (patch release)
470128863SmaximNetBSD 1.6.2		2004-03-01 [NBD] (patch release)
471128863SmaximOpenBSD 3.5		2004-04-01 [OBD]
472129793ShrsFreeBSD 4.10		2004-05-27 [FBD]
473144864SmaximDragonFly 1.0		2004-07-12 [DFB]
474137120SmaximOpenBSD 3.6		2004-10-29 [OBD]
475137326ShrsFreeBSD 5.3		2004-11-06 [FBD]
476138844SmaximNetBSD 2.0		2004-12-09 [NBD]
477140831SmaximFreeBSD 4.11		2005-01-25 [FBD]
478144864SmaximDragonFly 1.2.0		2005-04-08 [DFB]
479147593ShrsNetBSD 2.0.2		2005-04-14 [NBD] (security/critical release)
480146091SmaximMac OS X 10.4		2005-04-29 [APL]
481146071SmaximFreeBSD 5.4		2005-05-09 [FBD]
482146433SmaximOpenBSD 3.7		2005-05-19 [OBD]
483152004SmaximNetBSD 2.0.3		2005-10-31 [NBD] (security/critical release)
484151926SmaximOpenBSD 3.8		2005-11-01 [OBD]
485152003SmaximFreeBSD 6.0		2005-11-01 [FBD]
486152004SmaximNetBSD 2.1		2005-11-02 [NBD]
487153699SmaximNetBSD 3.0		2005-12-23 [NBD]
488154120SmaximDragonFly 1.4.0		2006-01-08 [DFB]
489158234SmaximOpenBSD 3.9		2006-05-01 [OBD]
490158956SmaximFreeBSD 6.1		2006-05-08 [FBD]
491158956SmaximFreeBSD 5.5		2006-05-25 [FBD]
492160877SmaximNetBSD 3.0.1		2006-07-24 [NBD] (security/critical release)
493160663SmaximDragonFly 1.6.0		2006-07-24 [DFB]
494163859SmaximOpenBSD 4.0		2006-11-01 [OBD]
495164001SmaximNetBSD 3.0.2		2006-11-04 [NBD] (security/critical release)
496164001SmaximNetBSD 3.1		2006-11-04 [NBD]
497166020SmaximFreeBSD 6.2		2007-01-15 [FBD]
498166362SmaximDragonFly 1.8.0		2007-01-30 [DFB]
499169192SmaximOpenBSD 4.1		2007-05-01 [OBD]
500171777SmaximDragonFly 1.10.0	2007-08-06 [DFB]
501176637SmaximMac OS X 10.5		2007-10-26 [APL]
502173289SmaximOpenBSD 4.2		2007-11-01 [OBD]
503174783SmaximNetBSD 4.0		2007-12-19 [NBD]
504175454SmaximFreeBSD 6.3		2008-01-18 [FBD]
505176637SmaximDragonFly 1.12.0	2008-02-26 [DFB]
506176637SmaximFreeBSD 7.0		2008-02-27 [FBD]
507178706SmaximOpenBSD 4.3		2008-05-01 [OBD]
508180757SmaximDragonFly 2.0.0		2008-07-21 [DFB]
509184517SmaximOpenBSD 4.4		2008-11-01 [OBD]
510185405SmaximFreeBSD 6.4		2008-11-28 [FBD]
511186785SmaximFreeBSD 7.1		2009-01-04 [FBD]
512188759SmaximDragonFly 2.2.0		2009-02-17 [DFB]
513191681SmaximNetBSD 5.0		2009-04-29 [NBD]
514191698SmaximOpenBSD 4.5		2009-05-01 [OBD]
515191834SmaximFreeBSD 7.2		2009-05-04 [FBD]
516197304SmaximDragonFly 2.4.0		2009-09-16 [DFB]
517198210SmaximOpenBSD 4.6		2009-10-18 [OBD]
518199858SmaximFreeBSD 8.0		2009-11-26 [FBD]
519205578SmaximFreeBSD 7.3		2010-03-23 [FBD]
520208336SmaximDragonFly 2.6.0		2010-03-28 [DFB]
521208327SmaximOpenBSD 4.7		2010-05-19 [OBD]
522210871SmaximFreeBSD 8.1		2010-07-24 [FBD]
52324424Swosch
52424424SwoschBibliography
52524424Swosch------------------------
52624424Swosch
52724424SwoschLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
52824424SwoschQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating
52924424SwoschSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
53024424Swosch
53124424SwoschSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
53224424SwoschCompany, Inc., 1994. ISBN 0-201-54777-5
53324424Swosch
53424424SwoschMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
53524424SwoschQuarterman. The Design and Implementation of the 4.4BSD Operating
53624424SwoschSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
53724424Swosch
538134378SosaMcKusick, Marshall Kirk, George Neville-Neil. The Design and
539134378SosaImplementation of the FreeBSD Operating System.
540134378SosaAddison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2
541134378Sosa
54225031SwoschDoug McIlroy. Research Unix Reader.
54325031Swosch
54424424SwoschMichael G. Brown. The Role of BSD in the Development of Unix.
54524424SwoschPresented to the Tasmanian Unix Special Interest Group of the
54624424SwoschAustralian Computer Society, Hobart, August 1993.
54724424Swosch
54859769SgrogPeter H. Salus. Unix at 25. Byte Magazine, October 1994.
549147051SmaximURL: http://www.byte.com/art/9410/sec8/art3.htm
55024424Swosch
55125031SwoschAndreas Klemm, Lars K�ller. If you're going to San Francisco ...
55225031SwoschDie freien BSD-Varianten von Unix. c't April 1997, page 368ff.
55325031Swosch
55425031SwoschBSD Release Announcements collection.
555201348SmaximURL: http://www.FreeBSD.org/releases/
55625031Swosch
55731658SwoschBSD Hypertext Man Pages
55879514SitojunURL: http://www.FreeBSD.org/cgi/man.cgi
55931658Swosch
56059769SgrogUNIX history graphing project
56179514SitojunURL: http://minnie.tuhs.org/Unix_History/index.html
56259769Sgrog
56365415SwoschUNIX history
564104786SjhbURL: http://www.levenez.com/unix/
56565415Swosch
56675834SwoschJames Howard: The BSD Family Tree
567156214SmaximURL: http://ezine.daemonnews.org/200104/bsd_family.html
56875834Swosch("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
56975834Swosch
57075834Swosch
57125031SwoschAcknowledgments
57225031Swosch---------------
57325031Swosch
57459769SgrogJosh Gilliam for suggestions, bug fixes, and finding very old
57525031Swoschoriginal BSD announcements from Usenet or tapes.
57625031Swosch
57731658SwoschSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
57825031Swosch
57924424Swosch--
580166020SmaximCopyright (c) 1997-2007 Wolfram Schneider <wosch@FreeBSD.ORG>
581121787SwoschURL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree
58242589Swosch
58350970Speter$FreeBSD: head/share/misc/bsd-family-tree 210871 2010-08-05 18:05:37Z maxim $
584