bsd-family-tree revision 80675
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 | | / | | | | 13880675Sasmodai | | | | / | v | | 13980675Sasmodai | FreeBSD 4.2 Darwin/ | NetBSD 1.4.3 | | 14080675Sasmodai | | Mac OS X | OpenBSD 2.8 BSD/OS 4.2 14180675Sasmodai | | 10.0 NetBSD 1.5 | | 14280675Sasmodai | FreeBSD 4.3 | | | | v 14380675Sasmodai | | | | v OpenBSD 2.9 14480675Sasmodai | | | | NetBSD 1.5.1 | 14580675Sasmodai | v | | | 14680675Sasmodai | | | | 14780675SasmodaiFreeBSD 5.0-current | NetBSD -current OpenBSD -current 14880675Sasmodai | | | | 14980675Sasmodai v | v v 15080675Sasmodai Mac OS X 15180675Sasmodai 10.1 15224424Swosch 15324424SwoschTime 15424424Swosch---------------- 15524424Swosch 15669277SasmodaiTime tolerance +/- 6 months, depending on which book/article you read; if it 15769277Sasmodaiwas the announcement in Usenet or if it was available as tape. 15824424Swosch 15925031Swosch[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 16025031Swosch and John Quarterman. The Design and Implementation of 16125031Swosch the 4.4BSD Operating System. 16280675Sasmodai[APL] Apple website [http://www.apple.com/macosx/] 16325031Swosch[DOC] README, COPYRIGHT on tape. 16425031Swosch[QCU] Salus, Peter H. A quarter century of UNIX. 16525031Swosch[U25] Peter H. Salus. Unix at 25. 16625031Swosch[USE] Usenet announcement. 16725031Swosch[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 16825031Swosch Changes in the Kernel in 2.9BSD. Second Berkeley Software 16925031Swosch Distribution UNIX Version 2.9, July, 1983. 17025031Swosch[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 17125031Swosch Volume 11, Info 4, April, 1987. 17225031Swosch[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 17325031Swosch comp.bugs.4bsd.ucb-fixes, June 15, 1988. 17425031Swosch[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 17538440Sjkh[FBD] FreeBSD Project, The. 17645349Swosch[NBD] NetBSD Project, The. 17745349Swosch[OBD] OpenBSD Project, The. 17842704Swosch[dmr] Dennis Ritchie, via E-Mail 17970110Swosch[BSDI] Berkeley Software Design, Inc. 18025031Swosch 18124424SwoschMultics 1965 18259769SgrogUNIX Summer 1969 18325031Swosch DEC PDP-7 18425031SwoschFirst Edition 1971-11-03 [QCU] 18525031Swosch DEC PDP-11/20, Assembler 18625031SwoschSecond Edition 1972-06-12 [QCU] 18759769Sgrog 10 UNIX installations 18825031SwoschThird Edition 1973-02-xx [QCU] 18925031Swosch Pipes, 16 installations 19025031SwoschFourth Edition 1973-11-xx [QCU] 19125031Swosch rewriting in C effected, 19224424Swosch above 30 installations 19325031SwoschFifth Edition 1974-06-xx [QCU] 19425031Swosch above 50 installations 19525031SwoschSixth Edition 1975-05-xx [QCU] 19625031Swosch port to DEC Vax 19725031SwoschSeventh Edition 1979-01-xx [QCU] 19859769Sgrog first portable UNIX 19959769SgrogEighth Edition 1985-02-xx [QCU] 20042704Swosch VAX 11/750, VAX 11/780 [dmr] 20142704Swosch descended from 4.1c BSD [dmr] 20242704Swosch descended from 4.1 BSD [44B] 20370110Swosch scooping-out and replacement of the character-device 20442704Swosch and networking part by the streams mechanism 20542704Swosch 20625031SwoschNinth Edition 1986-09-xx [QCU] 20725031SwoschTenth Edition 1989-10-xx [QCU] 20824424Swosch 20925031Swosch1BSD late 1977 21025031Swosch 1978-03-09 [QCU] 21125031Swosch PDP-11, Pascal, ex(1) 21225031Swosch 30 free copies of 1BSD sent out 21325031Swosch 35 tapes sold for 50 USD [QCU] 21425031Swosch2BSD mid 1978 [QCU] 21525031Swosch 75 2BSD tapes shipped 21625031Swosch2.7.9BSD ?? [SMS] 21725031Swosch2.8BSD 1981-07-xx [KSJ] 21824424Swosch 21925031Swosch2.8.1BSD 1982-01-xx [QCU] 22025031Swosch set of performance improvements 22125031Swosch2.9BSD 1983-07-xx [KSJ] 22225031Swosch2.9.1BSD 1983-11-xx 22325031Swosch2.9BSD-Seismo 1985-08-xx [SMS] 22425031Swosch2.10BSD 1987-04-xx [KKK] 22525031Swosch2.10.1BSD 1989-01-xx [SMS] 22625031Swosch2.11BSD 1992-02-xx [SMS] 22759156Swosch2.11BSD rev #430 1999-12-13 [SMS] 22825031Swosch 22925031Swosch32V 1978-1[01]-xx [QCU] 23025031Swosch3BSD late 1979 [QCU] 23125031Swosch virtual memory, page replacement, 23225031Swosch demand paging 23325031Swosch4.0BSD 1980-10-xx 23425031Swosch4.1BSD 1981-06-xx 23525031Swosch4.1aBSD 1982-04-xx 23625031Swosch alpha release, 100 sites, networking [44B] 23725031Swosch4.1bBSD internal release, fast filesystem [44B] 23824424Swosch4.1cBSD late 1982 23925031Swosch beta release, IPC [44B] 24025031Swosch4.2BSD 1983-09-xx [QCU] 24125031Swosch4.3BSD 1986-06-xx [QCU] 24225031Swosch 1986-04-xx [KB] 24325031Swosch4.3BSD Tahoe 1988-06-xx [QCU] 24425031Swosch4.3BSD NET/1 1988-11-xx [QCU] 24525031Swosch4.3BSD Reno 1990-06-xx [QCU], [DOC] 24625031Swosch4.3BSD NET/2 1991-06-xx [QCU] 24770110Swosch 24871231SitojunBSD/386 ALPHA 1991-12-xx [BSDI] 24970110Swosch first code released to people outside BSDI 25025031Swosch386BSD 0.0 1992-02-xx [DOC] 25171231SitojunBSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 25271231SitojunBSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 25369278Sasmodai386BSD 0.1 1992-07-28 [DOC] 25425031Swosch4.4BSD Alpha 1992-07-07 25571231SitojunBSD/386 0.9.3 1992-10-xx [BSDI] 25670110Swosch first external gamma; G customers 25771231SitojunBSD/386 0.9.4 1992-12-xx [BSDI] 25870110Swosch would have been 1.0 except for request 25970110Swosch for preliminary injunction 26071231SitojunBSD/386 1.0 1993-03-xx [BSDI] 26170110Swosch injunction denied; first official release 26257000SwoschNetBSD 0.8 1993-04-20 [NBD] 26325031Swosch4.4BSD 1993-06-01 [USE] 26445349SwoschNetBSD 0.9 1993-08-23 [NBD] 26578270SnikFreeBSD 1.0 1993-11-01 [FBD] 26671231SitojunBSD/386 1.1 1994-02-xx [BSDI] 26725031Swosch4.4BSD Lite 1994-03-01 [USE] 26838440SjkhFreeBSD 1.1 1994-04-xx [FBD] 26938440SjkhFreeBSD 1.1.5.1 1994-07-xx [FBD] 27049392Swosch supersedes 1.1.5 3 days after release. 27157000SwoschNetBSD 1.0 1994-10-26 [NBD] 27238440Sjkh386BSD 1.0 1994-11-12 [USE] 27338440SjkhFreeBSD 2.0 1995-01-xx [FBD] 27470110SwoschBSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 27569278SasmodaiFreeBSD 2.0.5 1995-06-10 [FBD] 27670110SwoschBSD/OS 2.0.1 1995-06-xx [BSDI] 27725031Swosch4.4BSD Lite Release 2 1995-06-xx [44B] 27825031Swosch the true final distribution from the CSRG 27969278SasmodaiFreeBSD 2.1.0 1995-11-19 [FBD] 28045349SwoschNetBSD 1.1 1995-11-26 [NBD] 28170110SwoschBSD/OS 2.1 1996-01-xx [BSDI] 28269278SasmodaiFreeBSD 2.1.5 1996-07-14 [FBD] 28345349SwoschNetBSD 1.2 1996-10-04 [NBD] 28445349SwoschOpenBSD 2.0 1996-10-18 [OBD] 28569278SasmodaiFreeBSD 2.1.6 1996-11-16 [FBD] 28669278SasmodaiFreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 28780675SasmodaiRhapsody 1997-xx-xx 28869278SasmodaiFreeBSD 2.1.7 1997-02-20 [FBD] 28970110SwoschBSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 29069278SasmodaiFreeBSD 2.2.0 1997-03-16 [FBD] 29169278SasmodaiFreeBSD 2.2.1 1997-03-25 [FBD] 29269278SasmodaiFreeBSD 2.2.2 1997-05-16 [FBD] 29357000SwoschNetBSD 1.2.1 1997-05-20 [NBD] (patch release) 29445349SwoschOpenBSD 2.1 1997-06-01 [OBD] 29569277SasmodaiFreeBSD 2.2.5 1997-10-22 [FBD] 29645349SwoschOpenBSD 2.2 1997-12-01 [OBD] 29766542SitojunNetBSD 1.3 1998-01-04 [NBD] 29869277SasmodaiFreeBSD 2.2.6 1998-03-25 [FBD] 29957000SwoschNetBSD 1.3.1 1998-03-09 [NBD] (patch release) 30070110SwoschBSD/OS 3.1 1998-03-xx [BSDI] 30145349SwoschOpenBSD 2.3 1998-05-19 [OBD] 30257000SwoschNetBSD 1.3.2 1998-05-29 [NBD] (patch release) 30369277SasmodaiFreeBSD 2.2.7 1998-07-22 [FBD] 30470110SwoschBSD/OS 4.0 1998-08-xx [BSDI] 30570110Swosch 2-lock MP support, ELF executables 30642589SwoschFreeBSD 3.0 1998-10-16 [FBD] 30770110Swosch FreeBSD-3.0 is a snapshot from -current, 30870110Swosch while 3.1 and 3.2 are from 3.x-stable which 30946321Swosch was branched quite some time after 3.0-release 31045349SwoschFreeBSD 2.2.8 1998-11-29 [FBD] 31145349SwoschOpenBSD 2.4 1998-12-01 [OBD] 31257000SwoschNetBSD 1.3.3 1998-12-23 [NBD] (patch release) 31346318SwoschFreeBSD 3.1 1999-02-15 [FBD] 31470110SwoschBSD/OS 4.0.1 1999-03-xx [BSDI] 31556406SwoschNetBSD 1.4 1999-05-12 [NBD] 31655389SbillfFreeBSD 3.2 1999-05-17 [FBD] 31755389SbillfOpenBSD 2.5 1999-05-19 [OBD] 31857000SwoschNetBSD 1.4.1 1999-08-26 [NBD] (patch release) 31955389SbillfFreeBSD 3.3 1999-09-17 [FBD] 32055389SbillfOpenBSD 2.6 1999-12-01 [OBD] 32155389SbillfFreeBSD 3.4 1999-12-20 [FBD] 32270110SwoschBSD/OS 4.1 1999-12-xx [BSDI] 32358448SwoschFreeBSD 4.0 2000-03-13 [FBD] 32458448SwoschNetBSD 1.4.2 2000-03-19 [NBD] (patch release) 32565412SwoschOpenBSD 2.7 2000-06-15 [OBD] 32664612SalexFreeBSD 3.5 2000-06-24 [FBD] 32764612SalexFreeBSD 4.1 2000-07-27 [FBD] 32865411SwoschFreeBSD 3.5.1 2000-07-28 [FBD] 32965974SwoschFreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 33069277SasmodaiFreeBSD 4.2 2000-11-21 [FBD] 33169277SasmodaiNetBSD 1.4.3 2000-11-25 [NBD] (patch release) 33270119SwoschBSD/OS 4.2 2000-11-29 [BSDI] 33369277SasmodaiOpenBSD 2.8 2000-12-01 [OBD] 33470111SwoschNetBSD 1.5 2000-12-06 [NBD] 33580675SasmodaiMac OS X 10.0 2001-03-24 [APL] 33675833SwoschFreeBSD 4.3 2001-04-20 [FBD] 33778867SitojunOpenBSD 2.9 2001-06-01 [OBD] 33879603SitojunNetBSD 1.5.1 2001-07-11 [NBD] (patch release) 33980675SasmodaiMac OS X 10.1 2001-09-xx [APL] 34024424Swosch 34125031Swosch 34224424SwoschBibliography 34324424Swosch------------------------ 34424424Swosch 34524424SwoschLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 34624424SwoschQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating 34724424SwoschSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 34824424Swosch 34924424SwoschSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 35024424SwoschCompany, Inc., 1994. ISBN 0-201-54777-5 35124424Swosch 35224424SwoschMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 35324424SwoschQuarterman. The Design and Implementation of the 4.4BSD Operating 35424424SwoschSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 35524424Swosch 35625031SwoschDoug McIlroy. Research Unix Reader. 35725031Swosch 35824424SwoschMichael G. Brown. The Role of BSD in the Development of Unix. 35924424SwoschPresented to the Tasmanian Unix Special Interest Group of the 36024424SwoschAustralian Computer Society, Hobart, August 1993. 36124424Swosch 36259769SgrogPeter H. Salus. Unix at 25. Byte Magazine, October 1994. 36379514SitojunURL: http://www.byte.com/art/9410/sec8/art3.htm (unreachable) 36424424Swosch 36525031SwoschAndreas Klemm, Lars K�ller. If you're going to San Francisco ... 36625031SwoschDie freien BSD-Varianten von Unix. c't April 1997, page 368ff. 36725031Swosch 36825031SwoschBSD Release Announcements collection. 36959769SgrogURL: http://www.de.FreeBSD.org/de/ftp/releases/ 37025031Swosch 37131658SwoschBSD Hypertext Man Pages 37279514SitojunURL: http://www.FreeBSD.org/cgi/man.cgi 37331658Swosch 37459769SgrogUNIX history graphing project 37579514SitojunURL: http://minnie.tuhs.org/Unix_History/index.html 37659769Sgrog 37765415SwoschUNIX history 37879514SitojunURL: http://perso.wanadoo.fr/levenez/unix/ 37965415Swosch 38075834SwoschJames Howard: The BSD Family Tree 38179514SitojunURL: http://www.daemonnews.org/200104/bsd_family.html 38275834Swosch("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 38375834Swosch 38475834Swosch 38525031SwoschAcknowledgments 38625031Swosch--------------- 38725031Swosch 38859769SgrogJosh Gilliam for suggestions, bug fixes, and finding very old 38925031Swoschoriginal BSD announcements from Usenet or tapes. 39025031Swosch 39131658SwoschSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 39225031Swosch 39324424Swosch-- 39472877SwoschCopyright (c) 1997-2001 Wolfram Schneider <wosch@FreeBSD.ORG> 39567388SwoschURL: ftp://ftp.freebsd.org/pub/FreeBSD/branches/-current/src/share/misc/bsd-family-tree 39642589Swosch 39750970Speter$FreeBSD: head/share/misc/bsd-family-tree 80675 2001-07-30 21:15:42Z asmodai $ 398