bsd-family-tree revision 104781
159769SgrogThe UNIX system family tree: Research and BSD
259769Sgrog---------------------------------------------
324424Swosch
424424SwoschFirst Edition (V1)
524424Swosch     |
624424SwoschSecond Edition (V2)
724424Swosch     |
824424SwoschThird Edition (V3)
924424Swosch     |
1024424SwoschFourth Edition (V4)
1124424Swosch     |
1224424SwoschFifth Edition (V5)
1324424Swosch     |
1424424SwoschSixth Edition (V6) -----*
1542704Swosch       \                |
1642704Swosch        \               |
1742704Swosch         \              |
1824424SwoschSeventh Edition (V7)    |
1942704Swosch            \           |
2042704Swosch             \        1BSD
2142704Swosch             32V        |
2242704Swosch               \      2BSD---------------*
2342704Swosch                \    /                   |
2442704Swosch                 \  /                    |
2542704Swosch                  \/                     |
2642704Swosch                 3BSD                    |
2742704Swosch                  |                      |
2842704Swosch               4.0BSD               2.7.9BSD
2942704Swosch                  |                      |
3059769Sgrog               4.1BSD --------------> 2.8BSD
3159769Sgrog                  |                      |
3259769Sgrog              4.1aBSD -----------\       |
3359769Sgrog                  |                \     |
3459769Sgrog              4.1bBSD                \   |
3559769Sgrog                  |                    \ |
3659769Sgrog      *------ 4.1cBSD --------------> 2.9BSD
3759769Sgrog     /            |                      |
3859769SgrogEighth Edition    |                   2.9BSD-Seismo
3924424Swosch     |            |                      |
4042704Swosch     +----<--- 4.2BSD               2.9.1BSD
4124424Swosch     |            |                      |
4242704Swosch     +----<--- 4.3BSD -------------> 2.10BSD
4324424Swosch     |            |               /      |
4442704SwoschNinth Edition     |              / 2.10.1BSD
4524424Swosch     |         4.3BSD Tahoe-----+        |
4624424Swosch     |            |              \       |
4724424Swosch     |            |                \     |
4842704Swosch     v            |                  2.11BSD
4925031SwoschTenth Edition     |                      |
5059156Swosch                  |                  2.11BSD rev #430
5125031Swosch               4.3BSD NET/1              |
5225031Swosch                  |                      v
5324424Swosch               4.3BSD Reno
5424424Swosch                  |
5524424Swosch   *---------- 4.3BSD NET/2 -------------------+-------------*
5624424Swosch   |                    |                      |             |
5771231Sitojun386BSD 0.0              |                      |           BSD/386 ALPHA
5824424Swosch   |                    |                      |             |
5971231Sitojun386BSD 0.1 ------------>+                      |           BSD/386 0.3.[13]
6025031Swosch   |     \              |                  4.4BSD Alpha      |
6171231Sitojun   |     386BSD 1.0     |                      |           BSD/386 0.9.[34]
6224424Swosch   |                    |                  4.4BSD            |
6325031Swosch   |                    |                    / |             |
6425031Swosch   |                    |   4.4BSD-Encumbered  |             |
6571231Sitojun   |                 NetBSD 0.8                |           BSD/386 1.0
6625031Swosch   |                    |                      |             |
6771231SitojunFreeBSD 1.0          NetBSD 0.9                |           BSD/386 1.1
6870110Swosch   |                    |           .----- 4.4BSD Lite       |
6970110SwoschFreeBSD 1.1             |          /   /       |     \       |
7070110Swosch   |                    |         /   /        |      \      |
7170110SwoschFreeBSD 1.1.5       .---|--------'   /         |       \     |
7270110Swosch   |               /    |           /          |        \    |
7370110SwoschFreeBSD 1.1.5.1   /     |          /           |         \   |
7470110Swosch   |             /   NetBSD 1.0 <-'            |          \  |
7570110Swosch   |            /       |                      |           \ |
7670110SwoschFreeBSD 2.0 <--'        |                      |           BSD/OS 2.0
7770110Swosch   |                     \                     |             |
7870110SwoschFreeBSD 2.0.5             \                    |           BSD/OS 2.0.1
7980675Sasmodai   |                 .-----\------------- 4.4BSD Lite2       |
8080675Sasmodai   |                 |      \             |  |   |   |       |
8180675Sasmodai   |                 | .-----|------Rhapsody |   |   |       |
8280675Sasmodai   |                 | |     |        NetBSD 1.3 |   |       |
8380675Sasmodai   |                 | |     |           OpenBSD 2.3 |       |
8480675Sasmodai   |                 | |     |                BSD/OS 3.0     |
8580675SasmodaiFreeBSD 2.1          | |     |                               |
8680675Sasmodai |   |               | |  NetBSD 1.1 ------.               BSD/OS 2.1
8780675Sasmodai | FreeBSD 2.1.5     | |     |              \                |
8880675Sasmodai |     |             | |  NetBSD 1.2         \             BSD/OS 3.0
8980675Sasmodai | FreeBSD 2.1.6     | |     |  \          OpenBSD 2.0       |
9080675Sasmodai |     |             | |     |   \             |             |
9180675Sasmodai | FreeBSD 2.1.6.1   | |     |    \            |             |
9280675Sasmodai |     |             | |     |     \           |             |
9380675Sasmodai | FreeBSD 2.1.7     | |     |      |          |             |
9480675Sasmodai |     |             | |     |  NetBSD 1.2.1   |             |
9580675Sasmodai | FreeBSD 2.1.7.1   | |     |                 |             |
9680675Sasmodai |                   | |     |                 |             |
9780675Sasmodai |                   | |     |                 |             |
9880675Sasmodai *-FreeBSD 2.2       | |     |                 |             |
9980675Sasmodai |        \          | |     |                 |             |
10080675Sasmodai |     FreeBSD 2.2.1 | |     |                 |             |
10180675Sasmodai |         |         | |     |                 |             |
10280675Sasmodai |     FreeBSD 2.2.2 | |     |             OpenBSD 2.1       |
10380675Sasmodai |         |         | |     |                 |             |
10480675Sasmodai |     FreeBSD 2.2.5 | |     |                 |             |
10580675Sasmodai |         |         | |     |             OpenBSD 2.2       |
10680675Sasmodai |         |         | |  NetBSD 1.3           |             |
10780675Sasmodai |     FreeBSD 2.2.6 | |     |    |            |             |
10880675Sasmodai |         |         | |     | NetBSD 1.3.1    |           BSD/OS 3.1
10980675Sasmodai |         |         | |     |    |        OpenBSD 2.3       |
11080675Sasmodai |         |         | |     | NetBSD 1.3.2    |             |
11180675Sasmodai |     FreeBSD 2.2.7 | |     |    |            |             |
11280675Sasmodai |         |         | |     |    |            |           BSD/OS 4.0
11380675Sasmodai |         v         | |     |    |            |             |
11480675Sasmodai |     FreeBSD 2.2.8 | |     |    |            |             |
11580675Sasmodai |                   | |     |    |        OpenBSD 2.4       |
11680675SasmodaiFreeBSD 3.0 <--------* |     |    v            |             |
11780675Sasmodai |                     |     | NetBSD 1.3.3    |             |
11880675Sasmodai *---FreeBSD 3.1       |     |                 |             |
11980675Sasmodai |       |             |     |                 |           BSD/OS 4.0.1
12080675Sasmodai |   FreeBSD 3.2----*  |  NetBSD 1.4       OpenBSD 2.5       |
12180675Sasmodai |       |          |  |  |  |    |            |             |
12280675Sasmodai |       |          |  |  |  |    |            |             |
12380675Sasmodai |       |          |  |  |  |    |            |             |
12480675Sasmodai |   FreeBSD 3.3    |  |  |  | NetBSD 1.4.1    |             |
12580675Sasmodai |       |          |  |  |  |    |        OpenBSD 2.6       |
12680675Sasmodai |   FreeBSD 3.4    |  |  |  |    |            |             |
12780675Sasmodai |           |      |  |  |  |    |            |           BSD/OS 4.1
12880675SasmodaiFreeBSD 4.0  |      |  |  |  | NetBSD 1.4.2    |             |
12980675Sasmodai |           |      |  |  |  |    |            |             |
13080675Sasmodai |           |      |  |  |  |    |            |             |
13180675Sasmodai |   FreeBSD 3.5    |  |  |  |    |        OpenBSD 2.7       |
13280675Sasmodai |           |      |  |  |  |    |            |             |
13380675Sasmodai |   FreeBSD 3.5.1  |  |  |  |    |            |             |
13480675Sasmodai |                  |  |  |  |    |            |             |
13580675Sasmodai *---FreeBSD 4.1    |  |  |  |    |            |             |
13680675Sasmodai |      |           |  | (?) |    |            |             |
13780675Sasmodai |   FreeBSD 4.1.1  |  |  /  |    |            |             |
138101401Swosch |      |           |  | /   |    |            |             |
13980675Sasmodai |   FreeBSD 4.2   Darwin/   | NetBSD 1.4.3    |             |
14087200Swosch |      |         Mac OS X   |    |        OpenBSD 2.8     BSD/OS 4.2
14187200Swosch |      |             |      |    v            |             |
14287200Swosch |      |             |      |                 |             |
14380675Sasmodai |      |           10.0  NetBSD 1.5           |             |
144104772Smaxim |   FreeBSD 4.3      |      |    |            |             |
145104772Smaxim |      |             |      |    |        OpenBSD 2.9       |
146104772Smaxim |      |             |      | NetBSD 1.5.1    |             |
147104772Smaxim |      |             |      |    |            |             |
148104781Sjhb |   FreeBSD 4.4-.    |      | NetBSD 1.5.2    |             |
149104781Sjhb |      |        | Mac OS X  |    |            |             |
150104781Sjhb |      |        |   10.1    |    |        OpenBSD 3.0       |
151104781Sjhb |   FreeBSD 4.5 |    |      |    |            |             |
152104781Sjhb |      |         \   |      |    |            |           BSD/OS 4.3
153104781Sjhb |   FreeBSD 4.6   \  |      |    |        OpenBSD 3.1       |
154104781Sjhb |      |           \ |      | NetBSD 1.5.3    |             v
155104781Sjhb |      |          Mac OS X  |    |            |
156104781Sjhb |   FreeBSD 4.6.2   10.2    |    v            |
157104781Sjhb |      |             |      |                 |
158104781Sjhb |      |             |   NetBSD 1.6           |
159104781Sjhb |   FreeBSD 4.7      |      |                 |
160104781Sjhb |      |             |      |                 |
161104781Sjhb |      v             |      |                 |
16280675Sasmodai |                    |      |                 |
16380675SasmodaiFreeBSD 5.0-current   |   NetBSD -current  OpenBSD -current
16480675Sasmodai |                    |      |                 |
165104781Sjhb v                    v      v                 v
16624424Swosch
16724424SwoschTime
16824424Swosch----------------
16924424Swosch
17069277SasmodaiTime tolerance +/- 6 months, depending on which book/article you read; if it
17169277Sasmodaiwas the announcement in Usenet or if it was available as tape.
17224424Swosch
17325031Swosch[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
17425031Swosch	and John Quarterman. The Design and Implementation of
17525031Swosch	the 4.4BSD Operating System.
17680675Sasmodai[APL] Apple website [http://www.apple.com/macosx/]
17725031Swosch[DOC] README, COPYRIGHT on tape.
17825031Swosch[QCU] Salus, Peter H. A quarter century of UNIX.
17925031Swosch[U25] Peter H. Salus. Unix at 25.
18025031Swosch[USE] Usenet announcement.
18125031Swosch[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
18225031Swosch	Changes in the Kernel in 2.9BSD. Second Berkeley Software
18325031Swosch	Distribution UNIX Version 2.9, July, 1983.
18425031Swosch[KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
18525031Swosch	Volume 11, Info 4, April, 1987.
18625031Swosch[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
18725031Swosch	comp.bugs.4bsd.ucb-fixes, June 15, 1988.
18825031Swosch[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
18938440Sjkh[FBD] FreeBSD Project, The.
19045349Swosch[NBD] NetBSD Project, The.
19145349Swosch[OBD] OpenBSD Project, The.
19242704Swosch[dmr] Dennis Ritchie, via E-Mail
19370110Swosch[BSDI] Berkeley Software Design, Inc.
194104772Smaxim[WRS] Wind River Systems, Inc.
19525031Swosch
19624424SwoschMultics                 1965
19759769SgrogUNIX                    Summer 1969
19825031Swosch				DEC PDP-7
19925031SwoschFirst   Edition         1971-11-03 [QCU]
20025031Swosch				DEC PDP-11/20, Assembler
20125031SwoschSecond  Edition         1972-06-12 [QCU]
20259769Sgrog				10 UNIX installations
20325031SwoschThird   Edition         1973-02-xx [QCU]
20425031Swosch				Pipes, 16 installations
20525031SwoschFourth  Edition         1973-11-xx [QCU]
20625031Swosch				rewriting in C effected,
20724424Swosch                                above 30 installations
20825031SwoschFifth   Edition         1974-06-xx [QCU]
20925031Swosch				above 50 installations
21025031SwoschSixth   Edition         1975-05-xx [QCU]
21125031Swosch				port to DEC Vax
21225031SwoschSeventh Edition         1979-01-xx [QCU]
21359769Sgrog				first portable UNIX
21459769SgrogEighth  Edition         1985-02-xx [QCU]
21542704Swosch				VAX 11/750, VAX 11/780 [dmr]
21642704Swosch				descended from 4.1c BSD [dmr]
21742704Swosch				descended from 4.1 BSD [44B]
21870110Swosch			scooping-out and replacement of the character-device
21942704Swosch			and networking part by the streams mechanism
22042704Swosch
22125031SwoschNinth   Edition         1986-09-xx [QCU]
22225031SwoschTenth   Edition         1989-10-xx [QCU]
22324424Swosch
22425031Swosch1BSD                    late 1977
22525031Swosch			1978-03-09 [QCU]
22625031Swosch				PDP-11, Pascal, ex(1)
22725031Swosch				30 free copies of 1BSD sent out
22825031Swosch				35 tapes sold for 50 USD [QCU]
22925031Swosch2BSD                    mid 1978 [QCU]
23025031Swosch				75 2BSD tapes shipped
23125031Swosch2.7.9BSD		?? [SMS]
23225031Swosch2.8BSD			1981-07-xx [KSJ]
23324424Swosch
23425031Swosch2.8.1BSD		1982-01-xx [QCU]
23525031Swosch				set of performance improvements
23625031Swosch2.9BSD			1983-07-xx [KSJ]
23725031Swosch2.9.1BSD                1983-11-xx
23825031Swosch2.9BSD-Seismo		1985-08-xx [SMS]
23925031Swosch2.10BSD			1987-04-xx [KKK]
24025031Swosch2.10.1BSD		1989-01-xx [SMS]
24125031Swosch2.11BSD			1992-02-xx [SMS]
24259156Swosch2.11BSD rev #430	1999-12-13 [SMS]
24325031Swosch
24425031Swosch32V			1978-1[01]-xx [QCU]
24525031Swosch3BSD                    late 1979 [QCU]
24625031Swosch				virtual memory, page replacement,
24725031Swosch                        	demand paging
24825031Swosch4.0BSD                  1980-10-xx
24989981Sjoe4.1BSD                  1981-07-08 [DOC]
25025031Swosch4.1aBSD                 1982-04-xx
25125031Swosch				alpha release, 100 sites, networking [44B]
25225031Swosch4.1bBSD				internal release, fast filesystem [44B]
25324424Swosch4.1cBSD                 late 1982
25425031Swosch				beta release, IPC [44B]
25525031Swosch4.2BSD                  1983-09-xx [QCU]
25689981Sjoe                        1983-08-03 [DOC]
25725031Swosch4.3BSD                  1986-06-xx [QCU]
25889981Sjoe			1986-04-05 [KB], [DOC]
25989981Sjoe4.3BSD Tahoe            1988-06-15 [QCU], [DOC]
26025031Swosch4.3BSD NET/1            1988-11-xx [QCU]
26189981Sjoe                        1989-01-01 [DOC]
26289981Sjoe4.3BSD Reno             1990-06-29 [QCU], [DOC]
26389981Sjoe4.3BSD NET/2            1991-06-28 [QCU], [DOC]
26470110Swosch
26571231SitojunBSD/386 ALPHA		1991-12-xx [BSDI]
26670110Swosch				first code released to people outside BSDI
26725031Swosch386BSD 0.0              1992-02-xx [DOC]
26871231SitojunBSD/386 0.3.1	        1992-04-xx [BSDI] first ext. beta; B customers
26971231SitojunBSD/386 0.3.3		1992-06-xx [BSDI] first CDROM version
27069278Sasmodai386BSD 0.1              1992-07-28 [DOC]
27125031Swosch4.4BSD Alpha            1992-07-07
27271231SitojunBSD/386 0.9.3		1992-10-xx [BSDI]
27370110Swosch				first external gamma; G customers
27471231SitojunBSD/386 0.9.4		1992-12-xx [BSDI]
27570110Swosch				would have been 1.0 except for request
27670110Swosch				for preliminary injunction
27771231SitojunBSD/386 1.0 		1993-03-xx [BSDI]
27870110Swosch				injunction denied; first official release
27957000SwoschNetBSD 0.8              1993-04-20 [NBD]
28025031Swosch4.4BSD                  1993-06-01 [USE]
28145349SwoschNetBSD 0.9              1993-08-23 [NBD]
28278270SnikFreeBSD 1.0		1993-11-01 [FBD]
28371231SitojunBSD/386 1.1		1994-02-xx [BSDI]
28425031Swosch4.4BSD Lite             1994-03-01 [USE]
28538440SjkhFreeBSD 1.1		1994-04-xx [FBD]
28638440SjkhFreeBSD 1.1.5.1		1994-07-xx [FBD]
28749392Swosch				supersedes 1.1.5 3 days after release.
28857000SwoschNetBSD 1.0              1994-10-26 [NBD]
28938440Sjkh386BSD 1.0              1994-11-12 [USE]
29038440SjkhFreeBSD 2.0		1995-01-xx [FBD]
29170110SwoschBSD/OS 2.0		1995-01-xx [BSDI] 4.4 lite based
29269278SasmodaiFreeBSD 2.0.5		1995-06-10 [FBD]
29370110SwoschBSD/OS 2.0.1		1995-06-xx [BSDI]
29425031Swosch4.4BSD Lite Release 2	1995-06-xx [44B]
29525031Swosch				the true final distribution from the CSRG
29669278SasmodaiFreeBSD 2.1.0		1995-11-19 [FBD]
29745349SwoschNetBSD 1.1              1995-11-26 [NBD]
29870110SwoschBSD/OS 2.1		1996-01-xx [BSDI]
29969278SasmodaiFreeBSD 2.1.5		1996-07-14 [FBD]
30045349SwoschNetBSD 1.2              1996-10-04 [NBD]
30145349SwoschOpenBSD 2.0             1996-10-18 [OBD]
30269278SasmodaiFreeBSD 2.1.6		1996-11-16 [FBD]
30369278SasmodaiFreeBSD 2.1.6.1		1996-11-25 [FBD] (sendmail security release)
30480675SasmodaiRhapsody		1997-xx-xx
30569278SasmodaiFreeBSD 2.1.7		1997-02-20 [FBD]
30670110SwoschBSD/OS 3.0		1997-02-xx [BSDI] 4.4 lite2 based
30769278SasmodaiFreeBSD 2.2.0		1997-03-16 [FBD]
30869278SasmodaiFreeBSD 2.2.1		1997-03-25 [FBD]
30969278SasmodaiFreeBSD 2.2.2		1997-05-16 [FBD]
31057000SwoschNetBSD 1.2.1            1997-05-20 [NBD] (patch release)
31145349SwoschOpenBSD 2.1             1997-06-01 [OBD]
31269277SasmodaiFreeBSD 2.2.5		1997-10-22 [FBD]
31345349SwoschOpenBSD 2.2             1997-12-01 [OBD]
31466542SitojunNetBSD 1.3              1998-01-04 [NBD]
31569277SasmodaiFreeBSD 2.2.6		1998-03-25 [FBD]
31657000SwoschNetBSD 1.3.1            1998-03-09 [NBD] (patch release)
31770110SwoschBSD/OS 3.1		1998-03-xx [BSDI]
31845349SwoschOpenBSD 2.3             1998-05-19 [OBD]
31957000SwoschNetBSD 1.3.2            1998-05-29 [NBD] (patch release)
32069277SasmodaiFreeBSD 2.2.7		1998-07-22 [FBD]
32170110SwoschBSD/OS 4.0		1998-08-xx [BSDI]
32270110Swosch				2-lock MP support, ELF executables
32342589SwoschFreeBSD 3.0		1998-10-16 [FBD]
32470110Swosch				FreeBSD-3.0 is a snapshot from -current,
32570110Swosch				while 3.1 and 3.2 are from 3.x-stable which
32646321Swosch				was branched quite some time after 3.0-release
32745349SwoschFreeBSD 2.2.8           1998-11-29 [FBD]
32845349SwoschOpenBSD 2.4             1998-12-01 [OBD]
32957000SwoschNetBSD 1.3.3            1998-12-23 [NBD] (patch release)
33046318SwoschFreeBSD 3.1		1999-02-15 [FBD]
33170110SwoschBSD/OS 4.0.1		1999-03-xx [BSDI]
33256406SwoschNetBSD 1.4              1999-05-12 [NBD]
33355389SbillfFreeBSD 3.2             1999-05-17 [FBD]
33455389SbillfOpenBSD 2.5             1999-05-19 [OBD]
33557000SwoschNetBSD 1.4.1            1999-08-26 [NBD] (patch release)
33655389SbillfFreeBSD 3.3             1999-09-17 [FBD]
33755389SbillfOpenBSD 2.6             1999-12-01 [OBD]
33855389SbillfFreeBSD 3.4             1999-12-20 [FBD]
33970110SwoschBSD/OS 4.1		1999-12-xx [BSDI]
34058448SwoschFreeBSD 4.0             2000-03-13 [FBD]
34158448SwoschNetBSD 1.4.2            2000-03-19 [NBD] (patch release)
34265412SwoschOpenBSD 2.7             2000-06-15 [OBD]
34364612SalexFreeBSD 3.5		2000-06-24 [FBD]
34464612SalexFreeBSD 4.1		2000-07-27 [FBD]
34565411SwoschFreeBSD 3.5.1		2000-07-28 [FBD]
34665974SwoschFreeBSD 4.1.1		2000-09-25 [FBD] (a network-only patch release)
34769277SasmodaiFreeBSD 4.2  		2000-11-21 [FBD]
34869277SasmodaiNetBSD 1.4.3		2000-11-25 [NBD] (patch release)
34970119SwoschBSD/OS 4.2		2000-11-29 [BSDI]
35069277SasmodaiOpenBSD 2.8		2000-12-01 [OBD]
35170111SwoschNetBSD 1.5              2000-12-06 [NBD]
35280675SasmodaiMac OS X 10.0           2001-03-24 [APL]
35375833SwoschFreeBSD 4.3  		2001-04-20 [FBD]
35478867SitojunOpenBSD 2.9  		2001-06-01 [OBD]
35579603SitojunNetBSD 1.5.1		2001-07-11 [NBD] (patch release)
35684087SwoschNetBSD 1.5.2		2001-09-13 [NBD] (patch release)
35783686SobrienFreeBSD 4.4  		2001-09-18 [FBD]
35880675SasmodaiMac OS X 10.1		2001-09-xx [APL]
35987201SwoschOpenBSD 3.0		2001-12-01 [OBD]
36092013SwoschFreeBSD 4.5  		2002-01-29 [FBD]
361104772SmaximBSD/OS 4.3		2002-03-14 [WRS]
362101331SwoschOpenBSD 3.1		2002-05-19 [OBD]
363101331SwoschFreeBSD 4.6  		2002-06-15 [FBD]
364101332SwoschNetBSD 1.5.3            2002-07-22 [NBD] (patch release)
365104781SjhbFreeBSD 4.6.2		2002-08-15 [FBD] (patch release)
366104781SjhbMac OS X 10.2		2002-08-23 [APL]
367104781SjhbNetBSD 1.6		2002-09-14 [NBD]
368104659SmurrayFreeBSD 4.7		2002-10-08 [FBD]
36924424Swosch
37024424SwoschBibliography
37124424Swosch------------------------
37224424Swosch
37324424SwoschLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
37424424SwoschQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating
37524424SwoschSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
37624424Swosch
37724424SwoschSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
37824424SwoschCompany, Inc., 1994. ISBN 0-201-54777-5
37924424Swosch
38024424SwoschMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
38124424SwoschQuarterman. The Design and Implementation of the 4.4BSD Operating
38224424SwoschSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
38324424Swosch
38425031SwoschDoug McIlroy. Research Unix Reader.
38525031Swosch
38624424SwoschMichael G. Brown. The Role of BSD in the Development of Unix.
38724424SwoschPresented to the Tasmanian Unix Special Interest Group of the
38824424SwoschAustralian Computer Society, Hobart, August 1993.
38924424Swosch
39059769SgrogPeter H. Salus. Unix at 25. Byte Magazine, October 1994.
39179514SitojunURL: http://www.byte.com/art/9410/sec8/art3.htm (unreachable)
39224424Swosch
39325031SwoschAndreas Klemm, Lars K�ller. If you're going to San Francisco ...
39425031SwoschDie freien BSD-Varianten von Unix. c't April 1997, page 368ff.
39525031Swosch
39625031SwoschBSD Release Announcements collection.
39759769SgrogURL: http://www.de.FreeBSD.org/de/ftp/releases/
39825031Swosch
39931658SwoschBSD Hypertext Man Pages
40079514SitojunURL: http://www.FreeBSD.org/cgi/man.cgi
40131658Swosch
40259769SgrogUNIX history graphing project
40379514SitojunURL: http://minnie.tuhs.org/Unix_History/index.html
40459769Sgrog
40565415SwoschUNIX history
40679514SitojunURL: http://perso.wanadoo.fr/levenez/unix/
40765415Swosch
40875834SwoschJames Howard: The BSD Family Tree
40979514SitojunURL: http://www.daemonnews.org/200104/bsd_family.html
41075834Swosch("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
41175834Swosch
41275834Swosch
41325031SwoschAcknowledgments
41425031Swosch---------------
41525031Swosch
41659769SgrogJosh Gilliam for suggestions, bug fixes, and finding very old
41725031Swoschoriginal BSD announcements from Usenet or tapes.
41825031Swosch
41931658SwoschSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
42025031Swosch
42124424Swosch--
42272877SwoschCopyright (c) 1997-2001 Wolfram Schneider <wosch@FreeBSD.ORG>
42367388SwoschURL: ftp://ftp.freebsd.org/pub/FreeBSD/branches/-current/src/share/misc/bsd-family-tree
42442589Swosch
42550970Speter$FreeBSD: head/share/misc/bsd-family-tree 104781 2002-10-10 14:17:42Z jhb $
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