bsd-family-tree revision 70111
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   |                    |                      |             |
5770110Swosch386BSD 0.0              |                      |           BSD/OS ALPHA
5824424Swosch   |                    |                      |             |
5970110Swosch386BSD 0.1 ------------>+                      |           BSD/OS 0.3.[13]
6025031Swosch   |     \              |                  4.4BSD Alpha      |
6170110Swosch   |     386BSD 1.0     |                      |           BSD/OS 0.9.[34]
6224424Swosch   |                    |                  4.4BSD            |
6325031Swosch   |                    |                    / |             |
6425031Swosch   |                    |   4.4BSD-Encumbered  |             |
6570110Swosch   |                 NetBSD 0.8                |           BSD/OS 1.0
6625031Swosch   |                    |                      |             |
6770110SwoschFreeBSD 1.0          NetBSD 0.9                |           BSD/OS 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
7970110Swosch   |                       \         .--- 4.4BSD Lite2       |
8070110Swosch   |                        \        |       |   |   |       |
8170110Swosch   |                         |   FreeBSD 3.0 |   |   |       |
8270110Swosch   |                         |        NetBSD 1.3 |   |       |
8370110Swosch   |                         |           OpenBSD 2.3 |       |
8470110Swosch   |                         |                BSD/OS 3.0     |
8570110SwoschFreeBSD 2.1                  |                               |
8670110Swosch |   |                    NetBSD 1.1 ------.               BSD/OS 2.1
8770110Swosch | FreeBSD 2.1.5             |              \                |
8870110Swosch |     |                  NetBSD 1.2         \             BSD/OS 3.0
8970110Swosch | FreeBSD 2.1.6             |  \          OpenBSD 2.0       |
9070110Swosch |     |                     |   \             |             |
9170110Swosch | FreeBSD 2.1.6.1           |    \            |             |
9270110Swosch |     |                     |     \           |             |
9370110Swosch | FreeBSD 2.1.7             |      |          |             |
9470110Swosch |     |                     |  NetBSD 1.2.1   |             |
9570110Swosch | FreeBSD 2.1.7.1           |                 |             |
9670110Swosch |                           |                 |             |
9770110Swosch |                           |                 |             |
9870110Swosch *-FreeBSD 2.2               |                 |             |
9970110Swosch |        \                  |                 |             |
10070110Swosch |     FreeBSD 2.2.1         |                 |             |
10170110Swosch |         |                 |                 |             |
10270110Swosch |     FreeBSD 2.2.2         |             OpenBSD 2.1       |
10370110Swosch |         |                 |                 |             |
10470110Swosch |     FreeBSD 2.2.5         |                 |             |
10570110Swosch |         |                 |             OpenBSD 2.2       |
10670110Swosch |         |              NetBSD 1.3           |             |
10770110Swosch |     FreeBSD 2.2.6         |    |            |             |
10870110Swosch |         |                 | NetBSD 1.3.1    |           BSD/OS 3.1
10970110Swosch |         |                 |    |        OpenBSD 2.3       |
11070110Swosch |         |                 | NetBSD 1.3.2    |             |
11170110Swosch |     FreeBSD 2.2.7         |    |            |             |
11270110Swosch |         |                 |    |            |           BSD/OS 4.0
11370110Swosch |         v                 |    |            |             |
11470110Swosch |     FreeBSD 2.2.8         |    |            |             |
11570110Swosch |                           |    |            |             |
11670110Swosch |                           |    |        OpenBSD 2.4       |
11770110SwoschFreeBSD 3.0                  |    v            |             |
11870110Swosch |                           | NetBSD 1.3.3    |             |
11970110Swosch *---FreeBSD 3.1             |                 |             |
12070110Swosch |       |                   |                 |           BSD/OS 4.0.1
12170110Swosch |   FreeBSD 3.2          NetBSD 1.4       OpenBSD 2.5       |
12270110Swosch |       |                   |    |            |             |
12370110Swosch |   FreeBSD 3.3             | NetBSD 1.4.1    |             |
12470110Swosch |       |                   |    |        OpenBSD 2.6       |
12570110Swosch |   FreeBSD 3.4             |    |            |             |
12670110Swosch |           |               |    |            |           BSD/OS 4.1
12770110SwoschFreeBSD 4.0  |               | NetBSD 1.4.2    |             |
12870110Swosch |           |               |    |            |             v
12958448Swosch |           |               |    |            |
13069277Sasmodai |   FreeBSD 3.5             |    |        OpenBSD 2.7
13169277Sasmodai |           |               |    |            |
13269277Sasmodai |   FreeBSD 3.5.1           |    |            |
13369277Sasmodai |                           |    |            |
13469277Sasmodai *---FreeBSD 4.1             |    |            |
13570110Swosch |      |                    |    |            |
13669277Sasmodai |   FreeBSD 4.1.1           |    |            |
13770110Swosch |      |                    |    |            |
13869277Sasmodai |   FreeBSD 4.2             | NetBSD 1.4.3    |
13969277Sasmodai |      |                    |             OpenBSD 2.8
14070111Swosch |      v                 NetBSD 1.5           |
14165412Swosch |                           |                 |
14265412Swosch |                           |                 |
14365412SwoschFreeBSD 5.0-current       NetBSD -current  OpenBSD -current
14465412Swosch |                           |                 |
14565412Swosch v                           v                 v
14624424Swosch
14724424Swosch
14824424SwoschTime
14924424Swosch----------------
15024424Swosch
15169277SasmodaiTime tolerance +/- 6 months, depending on which book/article you read; if it
15269277Sasmodaiwas the announcement in Usenet or if it was available as tape.
15324424Swosch
15425031Swosch[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
15525031Swosch	and John Quarterman. The Design and Implementation of
15625031Swosch	the 4.4BSD Operating System.
15725031Swosch[DOC] README, COPYRIGHT on tape.
15825031Swosch[QCU] Salus, Peter H. A quarter century of UNIX.
15925031Swosch[U25] Peter H. Salus. Unix at 25.
16025031Swosch[USE] Usenet announcement.
16125031Swosch[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
16225031Swosch	Changes in the Kernel in 2.9BSD. Second Berkeley Software
16325031Swosch	Distribution UNIX Version 2.9, July, 1983.
16425031Swosch[KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
16525031Swosch	Volume 11, Info 4, April, 1987.
16625031Swosch[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
16725031Swosch	comp.bugs.4bsd.ucb-fixes, June 15, 1988.
16825031Swosch[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
16938440Sjkh[FBD] FreeBSD Project, The.
17045349Swosch[NBD] NetBSD Project, The.
17145349Swosch[OBD] OpenBSD Project, The.
17242704Swosch[dmr] Dennis Ritchie, via E-Mail
17370110Swosch[BSDI] Berkeley Software Design, Inc.
17425031Swosch
17524424SwoschMultics                 1965
17659769SgrogUNIX                    Summer 1969
17725031Swosch				DEC PDP-7
17825031SwoschFirst   Edition         1971-11-03 [QCU]
17925031Swosch				DEC PDP-11/20, Assembler
18025031SwoschSecond  Edition         1972-06-12 [QCU]
18159769Sgrog				10 UNIX installations
18225031SwoschThird   Edition         1973-02-xx [QCU]
18325031Swosch				Pipes, 16 installations
18425031SwoschFourth  Edition         1973-11-xx [QCU]
18525031Swosch				rewriting in C effected,
18624424Swosch                                above 30 installations
18725031SwoschFifth   Edition         1974-06-xx [QCU]
18825031Swosch				above 50 installations
18925031SwoschSixth   Edition         1975-05-xx [QCU]
19025031Swosch				port to DEC Vax
19125031SwoschSeventh Edition         1979-01-xx [QCU]
19259769Sgrog				first portable UNIX
19359769SgrogEighth  Edition         1985-02-xx [QCU]
19442704Swosch				VAX 11/750, VAX 11/780 [dmr]
19542704Swosch				descended from 4.1c BSD [dmr]
19642704Swosch				descended from 4.1 BSD [44B]
19770110Swosch			scooping-out and replacement of the character-device
19842704Swosch			and networking part by the streams mechanism
19942704Swosch
20025031SwoschNinth   Edition         1986-09-xx [QCU]
20125031SwoschTenth   Edition         1989-10-xx [QCU]
20224424Swosch
20325031Swosch1BSD                    late 1977
20425031Swosch			1978-03-09 [QCU]
20525031Swosch				PDP-11, Pascal, ex(1)
20625031Swosch				30 free copies of 1BSD sent out
20725031Swosch				35 tapes sold for 50 USD [QCU]
20825031Swosch2BSD                    mid 1978 [QCU]
20925031Swosch				75 2BSD tapes shipped
21025031Swosch2.7.9BSD		?? [SMS]
21125031Swosch2.8BSD			1981-07-xx [KSJ]
21224424Swosch
21325031Swosch2.8.1BSD		1982-01-xx [QCU]
21425031Swosch				set of performance improvements
21525031Swosch2.9BSD			1983-07-xx [KSJ]
21625031Swosch2.9.1BSD                1983-11-xx
21725031Swosch2.9BSD-Seismo		1985-08-xx [SMS]
21825031Swosch2.10BSD			1987-04-xx [KKK]
21925031Swosch2.10.1BSD		1989-01-xx [SMS]
22025031Swosch2.11BSD			1992-02-xx [SMS]
22159156Swosch2.11BSD rev #430	1999-12-13 [SMS]
22225031Swosch
22325031Swosch32V			1978-1[01]-xx [QCU]
22425031Swosch3BSD                    late 1979 [QCU]
22525031Swosch				virtual memory, page replacement,
22625031Swosch                        	demand paging
22725031Swosch4.0BSD                  1980-10-xx
22825031Swosch4.1BSD                  1981-06-xx
22925031Swosch4.1aBSD                 1982-04-xx
23025031Swosch				alpha release, 100 sites, networking [44B]
23125031Swosch4.1bBSD				internal release, fast filesystem [44B]
23224424Swosch4.1cBSD                 late 1982
23325031Swosch				beta release, IPC [44B]
23425031Swosch4.2BSD                  1983-09-xx [QCU]
23525031Swosch4.3BSD                  1986-06-xx [QCU]
23625031Swosch			1986-04-xx [KB]
23725031Swosch4.3BSD Tahoe            1988-06-xx [QCU]
23825031Swosch4.3BSD NET/1            1988-11-xx [QCU]
23925031Swosch4.3BSD Reno             1990-06-xx [QCU], [DOC]
24025031Swosch4.3BSD NET/2            1991-06-xx [QCU]
24170110Swosch
24270110SwoschBSD/OS ALPHA		1991-12-xx [BSDI]
24370110Swosch				first code released to people outside BSDI
24425031Swosch386BSD 0.0              1992-02-xx [DOC]
24570110SwoschBSD/OS 0.3.1	        1992-04-xx [BSDI] first ext. beta; B customers
24670110SwoschBSD/OS 0.3.3		1992-06-xx [BSDI] first CDROM version
24769278Sasmodai386BSD 0.1              1992-07-28 [DOC]
24825031Swosch4.4BSD Alpha            1992-07-07
24970110SwoschBSD/OS 0.9.3		1992-10-xx [BSDI]
25070110Swosch				first external gamma; G customers
25170110SwoschBSD/OS 0.9.4		1992-12-xx [BSDI]
25270110Swosch				would have been 1.0 except for request
25370110Swosch				for preliminary injunction
25470110SwoschBSD/OS 1.0 		1993-03-xx [BSDI]
25570110Swosch				injunction denied; first official release
25657000SwoschNetBSD 0.8              1993-04-20 [NBD]
25725031Swosch4.4BSD                  1993-06-01 [USE]
25845349SwoschNetBSD 0.9              1993-08-23 [NBD]
25938440SjkhFreeBSD 1.0		1993-11-xx [FOO]
26070110SwoschBSD/OS 1.1		1994-02-xx [BSDI]
26125031Swosch4.4BSD Lite             1994-03-01 [USE]
26238440SjkhFreeBSD 1.1		1994-04-xx [FBD]
26338440SjkhFreeBSD 1.1.5.1		1994-07-xx [FBD]
26449392Swosch				supersedes 1.1.5 3 days after release.
26557000SwoschNetBSD 1.0              1994-10-26 [NBD]
26638440Sjkh386BSD 1.0              1994-11-12 [USE]
26738440SjkhFreeBSD 2.0		1995-01-xx [FBD]
26870110SwoschBSD/OS 2.0		1995-01-xx [BSDI] 4.4 lite based
26969278SasmodaiFreeBSD 2.0.5		1995-06-10 [FBD]
27070110SwoschBSD/OS 2.0.1		1995-06-xx [BSDI]
27125031Swosch4.4BSD Lite Release 2	1995-06-xx [44B]
27225031Swosch				the true final distribution from the CSRG
27369278SasmodaiFreeBSD 2.1.0		1995-11-19 [FBD]
27445349SwoschNetBSD 1.1              1995-11-26 [NBD]
27570110SwoschBSD/OS 2.1		1996-01-xx [BSDI]
27669278SasmodaiFreeBSD 2.1.5		1996-07-14 [FBD]
27745349SwoschNetBSD 1.2              1996-10-04 [NBD]
27845349SwoschOpenBSD 2.0             1996-10-18 [OBD]
27969278SasmodaiFreeBSD 2.1.6		1996-11-16 [FBD]
28069278SasmodaiFreeBSD 2.1.6.1		1996-11-25 [FBD] (sendmail security release)
28169278SasmodaiFreeBSD 2.1.7		1997-02-20 [FBD]
28270110SwoschBSD/OS 3.0		1997-02-xx [BSDI] 4.4 lite2 based
28369278SasmodaiFreeBSD 2.2.0		1997-03-16 [FBD]
28469278SasmodaiFreeBSD 2.2.1		1997-03-25 [FBD]
28569278SasmodaiFreeBSD 2.2.2		1997-05-16 [FBD]
28657000SwoschNetBSD 1.2.1            1997-05-20 [NBD] (patch release)
28745349SwoschOpenBSD 2.1             1997-06-01 [OBD]
28869277SasmodaiFreeBSD 2.2.5		1997-10-22 [FBD]
28945349SwoschOpenBSD 2.2             1997-12-01 [OBD]
29066542SitojunNetBSD 1.3              1998-01-04 [NBD]
29169277SasmodaiFreeBSD 2.2.6		1998-03-25 [FBD]
29257000SwoschNetBSD 1.3.1            1998-03-09 [NBD] (patch release)
29370110SwoschBSD/OS 3.1		1998-03-xx [BSDI]
29445349SwoschOpenBSD 2.3             1998-05-19 [OBD]
29557000SwoschNetBSD 1.3.2            1998-05-29 [NBD] (patch release)
29669277SasmodaiFreeBSD 2.2.7		1998-07-22 [FBD]
29770110SwoschBSD/OS 4.0		1998-08-xx [BSDI]
29870110Swosch				2-lock MP support, ELF executables
29942589SwoschFreeBSD 3.0		1998-10-16 [FBD]
30070110Swosch				FreeBSD-3.0 is a snapshot from -current,
30170110Swosch				while 3.1 and 3.2 are from 3.x-stable which
30246321Swosch				was branched quite some time after 3.0-release
30345349SwoschFreeBSD 2.2.8           1998-11-29 [FBD]
30445349SwoschOpenBSD 2.4             1998-12-01 [OBD]
30557000SwoschNetBSD 1.3.3            1998-12-23 [NBD] (patch release)
30646318SwoschFreeBSD 3.1		1999-02-15 [FBD]
30770110SwoschBSD/OS 4.0.1		1999-03-xx [BSDI]
30856406SwoschNetBSD 1.4              1999-05-12 [NBD]
30955389SbillfFreeBSD 3.2             1999-05-17 [FBD]
31055389SbillfOpenBSD 2.5             1999-05-19 [OBD]
31157000SwoschNetBSD 1.4.1            1999-08-26 [NBD] (patch release)
31255389SbillfFreeBSD 3.3             1999-09-17 [FBD]
31355389SbillfOpenBSD 2.6             1999-12-01 [OBD]
31455389SbillfFreeBSD 3.4             1999-12-20 [FBD]
31570110SwoschBSD/OS 4.1		1999-12-xx [BSDI]
31658448SwoschFreeBSD 4.0             2000-03-13 [FBD]
31758448SwoschNetBSD 1.4.2            2000-03-19 [NBD] (patch release)
31865412SwoschOpenBSD 2.7             2000-06-15 [OBD]
31964612SalexFreeBSD 3.5		2000-06-24 [FBD]
32064612SalexFreeBSD 4.1		2000-07-27 [FBD]
32165411SwoschFreeBSD 3.5.1		2000-07-28 [FBD]
32265974SwoschFreeBSD 4.1.1		2000-09-25 [FBD] (a network-only patch release)
32369277SasmodaiFreeBSD 4.2  		2000-11-21 [FBD]
32469277SasmodaiNetBSD 1.4.3		2000-11-25 [NBD] (patch release)
32569277SasmodaiOpenBSD 2.8		2000-12-01 [OBD]
32670111SwoschNetBSD 1.5              2000-12-06 [NBD]
32724424Swosch
32825031Swosch
32924424SwoschBibliography
33024424Swosch------------------------
33124424Swosch
33224424SwoschLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
33324424SwoschQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating
33424424SwoschSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
33524424Swosch
33624424SwoschSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
33724424SwoschCompany, Inc., 1994. ISBN 0-201-54777-5
33824424Swosch
33924424SwoschMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
34024424SwoschQuarterman. The Design and Implementation of the 4.4BSD Operating
34124424SwoschSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
34224424Swosch
34325031SwoschDoug McIlroy. Research Unix Reader.
34425031Swosch
34524424SwoschMichael G. Brown. The Role of BSD in the Development of Unix.
34624424SwoschPresented to the Tasmanian Unix Special Interest Group of the
34724424SwoschAustralian Computer Society, Hobart, August 1993.
34824424Swosch
34959769SgrogPeter H. Salus. Unix at 25. Byte Magazine, October 1994.
35024424SwoschURL: http://www.byte.com/art/9410/sec8/art3.htm
35124424Swosch
35225031SwoschAndreas Klemm, Lars K�ller. If you're going to San Francisco ...
35325031SwoschDie freien BSD-Varianten von Unix. c't April 1997, page 368ff.
35425031Swosch
35525031SwoschBSD Release Announcements collection.
35659769SgrogURL: http://www.de.FreeBSD.org/de/ftp/releases/
35725031Swosch
35831658SwoschBSD Hypertext Man Pages
35959769Sgroghttp://www.FreeBSD.org/cgi/man.cgi
36031658Swosch
36159769SgrogUNIX history graphing project
36259769Sgroghttp://minnie.cs.adfa.edu.au/Unix_History/index.html
36359769Sgrog
36465415SwoschUNIX history
36565415Swoschhttp://perso.wanadoo.fr/levenez/unix/
36665415Swosch
36725031SwoschAcknowledgments
36825031Swosch---------------
36925031Swosch
37059769SgrogJosh Gilliam for suggestions, bug fixes, and finding very old
37125031Swoschoriginal BSD announcements from Usenet or tapes.
37225031Swosch
37331658SwoschSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
37425031Swosch
37524424Swosch--
37667388SwoschCopyright (c) 1997-2000 Wolfram Schneider <wosch@FreeBSD.ORG>
37767388SwoschURL: ftp://ftp.freebsd.org/pub/FreeBSD/branches/-current/src/share/misc/bsd-family-tree
37842589Swosch
37950970Speter$FreeBSD: head/share/misc/bsd-family-tree 70111 2000-12-17 11:50:33Z wosch $
38059769Sgrog
381