bsd-family-tree revision 75833
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
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    |             |
12870119Swosch |           |               |    |            |             |
12970119Swosch |           |               |    |            |             |
13070119Swosch |   FreeBSD 3.5             |    |        OpenBSD 2.7       |
13170119Swosch |           |               |    |            |             |
13270119Swosch |   FreeBSD 3.5.1           |    |            |             |
13370119Swosch |                           |    |            |             |
13470119Swosch *---FreeBSD 4.1             |    |            |             |
13570119Swosch |      |                    |    |            |             |
13670119Swosch |   FreeBSD 4.1.1           |    |            |             |
13771231Sitojun |      |                    |    v            |             |
13870119Swosch |   FreeBSD 4.2             | NetBSD 1.4.3    |             |
13970119Swosch |      |                    |             OpenBSD 2.8     BSD/OS 4.2
14072877Swosch |      |                 NetBSD 1.5           |             |
14172877Swosch |   FreeBSD 4.3             |                 |             v
14272877Swosch |      |                    |                 |
14372877Swosch |      v                    |                 |
14465412Swosch |                           |                 |
14565412SwoschFreeBSD 5.0-current       NetBSD -current  OpenBSD -current
14665412Swosch |                           |                 |
14765412Swosch v                           v                 v
14824424Swosch
14924424Swosch
15024424SwoschTime
15124424Swosch----------------
15224424Swosch
15369277SasmodaiTime tolerance +/- 6 months, depending on which book/article you read; if it
15469277Sasmodaiwas the announcement in Usenet or if it was available as tape.
15524424Swosch
15625031Swosch[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
15725031Swosch	and John Quarterman. The Design and Implementation of
15825031Swosch	the 4.4BSD Operating System.
15925031Swosch[DOC] README, COPYRIGHT on tape.
16025031Swosch[QCU] Salus, Peter H. A quarter century of UNIX.
16125031Swosch[U25] Peter H. Salus. Unix at 25.
16225031Swosch[USE] Usenet announcement.
16325031Swosch[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
16425031Swosch	Changes in the Kernel in 2.9BSD. Second Berkeley Software
16525031Swosch	Distribution UNIX Version 2.9, July, 1983.
16625031Swosch[KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
16725031Swosch	Volume 11, Info 4, April, 1987.
16825031Swosch[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
16925031Swosch	comp.bugs.4bsd.ucb-fixes, June 15, 1988.
17025031Swosch[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
17138440Sjkh[FBD] FreeBSD Project, The.
17245349Swosch[NBD] NetBSD Project, The.
17345349Swosch[OBD] OpenBSD Project, The.
17442704Swosch[dmr] Dennis Ritchie, via E-Mail
17570110Swosch[BSDI] Berkeley Software Design, Inc.
17625031Swosch
17724424SwoschMultics                 1965
17859769SgrogUNIX                    Summer 1969
17925031Swosch				DEC PDP-7
18025031SwoschFirst   Edition         1971-11-03 [QCU]
18125031Swosch				DEC PDP-11/20, Assembler
18225031SwoschSecond  Edition         1972-06-12 [QCU]
18359769Sgrog				10 UNIX installations
18425031SwoschThird   Edition         1973-02-xx [QCU]
18525031Swosch				Pipes, 16 installations
18625031SwoschFourth  Edition         1973-11-xx [QCU]
18725031Swosch				rewriting in C effected,
18824424Swosch                                above 30 installations
18925031SwoschFifth   Edition         1974-06-xx [QCU]
19025031Swosch				above 50 installations
19125031SwoschSixth   Edition         1975-05-xx [QCU]
19225031Swosch				port to DEC Vax
19325031SwoschSeventh Edition         1979-01-xx [QCU]
19459769Sgrog				first portable UNIX
19559769SgrogEighth  Edition         1985-02-xx [QCU]
19642704Swosch				VAX 11/750, VAX 11/780 [dmr]
19742704Swosch				descended from 4.1c BSD [dmr]
19842704Swosch				descended from 4.1 BSD [44B]
19970110Swosch			scooping-out and replacement of the character-device
20042704Swosch			and networking part by the streams mechanism
20142704Swosch
20225031SwoschNinth   Edition         1986-09-xx [QCU]
20325031SwoschTenth   Edition         1989-10-xx [QCU]
20424424Swosch
20525031Swosch1BSD                    late 1977
20625031Swosch			1978-03-09 [QCU]
20725031Swosch				PDP-11, Pascal, ex(1)
20825031Swosch				30 free copies of 1BSD sent out
20925031Swosch				35 tapes sold for 50 USD [QCU]
21025031Swosch2BSD                    mid 1978 [QCU]
21125031Swosch				75 2BSD tapes shipped
21225031Swosch2.7.9BSD		?? [SMS]
21325031Swosch2.8BSD			1981-07-xx [KSJ]
21424424Swosch
21525031Swosch2.8.1BSD		1982-01-xx [QCU]
21625031Swosch				set of performance improvements
21725031Swosch2.9BSD			1983-07-xx [KSJ]
21825031Swosch2.9.1BSD                1983-11-xx
21925031Swosch2.9BSD-Seismo		1985-08-xx [SMS]
22025031Swosch2.10BSD			1987-04-xx [KKK]
22125031Swosch2.10.1BSD		1989-01-xx [SMS]
22225031Swosch2.11BSD			1992-02-xx [SMS]
22359156Swosch2.11BSD rev #430	1999-12-13 [SMS]
22425031Swosch
22525031Swosch32V			1978-1[01]-xx [QCU]
22625031Swosch3BSD                    late 1979 [QCU]
22725031Swosch				virtual memory, page replacement,
22825031Swosch                        	demand paging
22925031Swosch4.0BSD                  1980-10-xx
23025031Swosch4.1BSD                  1981-06-xx
23125031Swosch4.1aBSD                 1982-04-xx
23225031Swosch				alpha release, 100 sites, networking [44B]
23325031Swosch4.1bBSD				internal release, fast filesystem [44B]
23424424Swosch4.1cBSD                 late 1982
23525031Swosch				beta release, IPC [44B]
23625031Swosch4.2BSD                  1983-09-xx [QCU]
23725031Swosch4.3BSD                  1986-06-xx [QCU]
23825031Swosch			1986-04-xx [KB]
23925031Swosch4.3BSD Tahoe            1988-06-xx [QCU]
24025031Swosch4.3BSD NET/1            1988-11-xx [QCU]
24125031Swosch4.3BSD Reno             1990-06-xx [QCU], [DOC]
24225031Swosch4.3BSD NET/2            1991-06-xx [QCU]
24370110Swosch
24471231SitojunBSD/386 ALPHA		1991-12-xx [BSDI]
24570110Swosch				first code released to people outside BSDI
24625031Swosch386BSD 0.0              1992-02-xx [DOC]
24771231SitojunBSD/386 0.3.1	        1992-04-xx [BSDI] first ext. beta; B customers
24871231SitojunBSD/386 0.3.3		1992-06-xx [BSDI] first CDROM version
24969278Sasmodai386BSD 0.1              1992-07-28 [DOC]
25025031Swosch4.4BSD Alpha            1992-07-07
25171231SitojunBSD/386 0.9.3		1992-10-xx [BSDI]
25270110Swosch				first external gamma; G customers
25371231SitojunBSD/386 0.9.4		1992-12-xx [BSDI]
25470110Swosch				would have been 1.0 except for request
25570110Swosch				for preliminary injunction
25671231SitojunBSD/386 1.0 		1993-03-xx [BSDI]
25770110Swosch				injunction denied; first official release
25857000SwoschNetBSD 0.8              1993-04-20 [NBD]
25925031Swosch4.4BSD                  1993-06-01 [USE]
26045349SwoschNetBSD 0.9              1993-08-23 [NBD]
26175732SwoschFreeBSD 1.0		1993-11-xx [FBD]
26271231SitojunBSD/386 1.1		1994-02-xx [BSDI]
26325031Swosch4.4BSD Lite             1994-03-01 [USE]
26438440SjkhFreeBSD 1.1		1994-04-xx [FBD]
26538440SjkhFreeBSD 1.1.5.1		1994-07-xx [FBD]
26649392Swosch				supersedes 1.1.5 3 days after release.
26757000SwoschNetBSD 1.0              1994-10-26 [NBD]
26838440Sjkh386BSD 1.0              1994-11-12 [USE]
26938440SjkhFreeBSD 2.0		1995-01-xx [FBD]
27070110SwoschBSD/OS 2.0		1995-01-xx [BSDI] 4.4 lite based
27169278SasmodaiFreeBSD 2.0.5		1995-06-10 [FBD]
27270110SwoschBSD/OS 2.0.1		1995-06-xx [BSDI]
27325031Swosch4.4BSD Lite Release 2	1995-06-xx [44B]
27425031Swosch				the true final distribution from the CSRG
27569278SasmodaiFreeBSD 2.1.0		1995-11-19 [FBD]
27645349SwoschNetBSD 1.1              1995-11-26 [NBD]
27770110SwoschBSD/OS 2.1		1996-01-xx [BSDI]
27869278SasmodaiFreeBSD 2.1.5		1996-07-14 [FBD]
27945349SwoschNetBSD 1.2              1996-10-04 [NBD]
28045349SwoschOpenBSD 2.0             1996-10-18 [OBD]
28169278SasmodaiFreeBSD 2.1.6		1996-11-16 [FBD]
28269278SasmodaiFreeBSD 2.1.6.1		1996-11-25 [FBD] (sendmail security release)
28369278SasmodaiFreeBSD 2.1.7		1997-02-20 [FBD]
28470110SwoschBSD/OS 3.0		1997-02-xx [BSDI] 4.4 lite2 based
28569278SasmodaiFreeBSD 2.2.0		1997-03-16 [FBD]
28669278SasmodaiFreeBSD 2.2.1		1997-03-25 [FBD]
28769278SasmodaiFreeBSD 2.2.2		1997-05-16 [FBD]
28857000SwoschNetBSD 1.2.1            1997-05-20 [NBD] (patch release)
28945349SwoschOpenBSD 2.1             1997-06-01 [OBD]
29069277SasmodaiFreeBSD 2.2.5		1997-10-22 [FBD]
29145349SwoschOpenBSD 2.2             1997-12-01 [OBD]
29266542SitojunNetBSD 1.3              1998-01-04 [NBD]
29369277SasmodaiFreeBSD 2.2.6		1998-03-25 [FBD]
29457000SwoschNetBSD 1.3.1            1998-03-09 [NBD] (patch release)
29570110SwoschBSD/OS 3.1		1998-03-xx [BSDI]
29645349SwoschOpenBSD 2.3             1998-05-19 [OBD]
29757000SwoschNetBSD 1.3.2            1998-05-29 [NBD] (patch release)
29869277SasmodaiFreeBSD 2.2.7		1998-07-22 [FBD]
29970110SwoschBSD/OS 4.0		1998-08-xx [BSDI]
30070110Swosch				2-lock MP support, ELF executables
30142589SwoschFreeBSD 3.0		1998-10-16 [FBD]
30270110Swosch				FreeBSD-3.0 is a snapshot from -current,
30370110Swosch				while 3.1 and 3.2 are from 3.x-stable which
30446321Swosch				was branched quite some time after 3.0-release
30545349SwoschFreeBSD 2.2.8           1998-11-29 [FBD]
30645349SwoschOpenBSD 2.4             1998-12-01 [OBD]
30757000SwoschNetBSD 1.3.3            1998-12-23 [NBD] (patch release)
30846318SwoschFreeBSD 3.1		1999-02-15 [FBD]
30970110SwoschBSD/OS 4.0.1		1999-03-xx [BSDI]
31056406SwoschNetBSD 1.4              1999-05-12 [NBD]
31155389SbillfFreeBSD 3.2             1999-05-17 [FBD]
31255389SbillfOpenBSD 2.5             1999-05-19 [OBD]
31357000SwoschNetBSD 1.4.1            1999-08-26 [NBD] (patch release)
31455389SbillfFreeBSD 3.3             1999-09-17 [FBD]
31555389SbillfOpenBSD 2.6             1999-12-01 [OBD]
31655389SbillfFreeBSD 3.4             1999-12-20 [FBD]
31770110SwoschBSD/OS 4.1		1999-12-xx [BSDI]
31858448SwoschFreeBSD 4.0             2000-03-13 [FBD]
31958448SwoschNetBSD 1.4.2            2000-03-19 [NBD] (patch release)
32065412SwoschOpenBSD 2.7             2000-06-15 [OBD]
32164612SalexFreeBSD 3.5		2000-06-24 [FBD]
32264612SalexFreeBSD 4.1		2000-07-27 [FBD]
32365411SwoschFreeBSD 3.5.1		2000-07-28 [FBD]
32465974SwoschFreeBSD 4.1.1		2000-09-25 [FBD] (a network-only patch release)
32569277SasmodaiFreeBSD 4.2  		2000-11-21 [FBD]
32669277SasmodaiNetBSD 1.4.3		2000-11-25 [NBD] (patch release)
32770119SwoschBSD/OS 4.2		2000-11-29 [BSDI]
32869277SasmodaiOpenBSD 2.8		2000-12-01 [OBD]
32970111SwoschNetBSD 1.5              2000-12-06 [NBD]
33075833SwoschFreeBSD 4.3  		2001-04-20 [FBD]
33124424Swosch
33225031Swosch
33324424SwoschBibliography
33424424Swosch------------------------
33524424Swosch
33624424SwoschLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
33724424SwoschQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating
33824424SwoschSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
33924424Swosch
34024424SwoschSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
34124424SwoschCompany, Inc., 1994. ISBN 0-201-54777-5
34224424Swosch
34324424SwoschMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
34424424SwoschQuarterman. The Design and Implementation of the 4.4BSD Operating
34524424SwoschSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
34624424Swosch
34725031SwoschDoug McIlroy. Research Unix Reader.
34825031Swosch
34924424SwoschMichael G. Brown. The Role of BSD in the Development of Unix.
35024424SwoschPresented to the Tasmanian Unix Special Interest Group of the
35124424SwoschAustralian Computer Society, Hobart, August 1993.
35224424Swosch
35359769SgrogPeter H. Salus. Unix at 25. Byte Magazine, October 1994.
35424424SwoschURL: http://www.byte.com/art/9410/sec8/art3.htm
35524424Swosch
35625031SwoschAndreas Klemm, Lars K�ller. If you're going to San Francisco ...
35725031SwoschDie freien BSD-Varianten von Unix. c't April 1997, page 368ff.
35825031Swosch
35925031SwoschBSD Release Announcements collection.
36059769SgrogURL: http://www.de.FreeBSD.org/de/ftp/releases/
36125031Swosch
36231658SwoschBSD Hypertext Man Pages
36359769Sgroghttp://www.FreeBSD.org/cgi/man.cgi
36431658Swosch
36559769SgrogUNIX history graphing project
36659769Sgroghttp://minnie.cs.adfa.edu.au/Unix_History/index.html
36759769Sgrog
36865415SwoschUNIX history
36965415Swoschhttp://perso.wanadoo.fr/levenez/unix/
37065415Swosch
37125031SwoschAcknowledgments
37225031Swosch---------------
37325031Swosch
37459769SgrogJosh Gilliam for suggestions, bug fixes, and finding very old
37525031Swoschoriginal BSD announcements from Usenet or tapes.
37625031Swosch
37731658SwoschSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
37825031Swosch
37924424Swosch--
38072877SwoschCopyright (c) 1997-2001 Wolfram Schneider <wosch@FreeBSD.ORG>
38167388SwoschURL: ftp://ftp.freebsd.org/pub/FreeBSD/branches/-current/src/share/misc/bsd-family-tree
38242589Swosch
38350970Speter$FreeBSD: head/share/misc/bsd-family-tree 75833 2001-04-22 18:24:10Z wosch $
38459769Sgrog
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