bsd-family-tree revision 87201
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 | | 14087200Swosch | | Mac OS X | | OpenBSD 2.8 BSD/OS 4.2 14187200Swosch | | | | v | | 14287200Swosch | | | | | | 14380675Sasmodai | | 10.0 NetBSD 1.5 | | 14480675Sasmodai | FreeBSD 4.3 | | | | v 14580675Sasmodai | | | | v OpenBSD 2.9 14680675Sasmodai | | | | NetBSD 1.5.1 | 14784087Swosch | | | | | | 14884087Swosch | FreeBSD 4.4 | | NetBSD 1.5.2 | 14987200Swosch | | | | | | 15087201Swosch | v | | v OpenBSD 3.0 15180675Sasmodai | | | | 15280675SasmodaiFreeBSD 5.0-current | NetBSD -current OpenBSD -current 15380675Sasmodai | | | | 15480675Sasmodai v | v v 15580675Sasmodai Mac OS X 15680675Sasmodai 10.1 15724424Swosch 15824424SwoschTime 15924424Swosch---------------- 16024424Swosch 16169277SasmodaiTime tolerance +/- 6 months, depending on which book/article you read; if it 16269277Sasmodaiwas the announcement in Usenet or if it was available as tape. 16324424Swosch 16425031Swosch[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 16525031Swosch and John Quarterman. The Design and Implementation of 16625031Swosch the 4.4BSD Operating System. 16780675Sasmodai[APL] Apple website [http://www.apple.com/macosx/] 16825031Swosch[DOC] README, COPYRIGHT on tape. 16925031Swosch[QCU] Salus, Peter H. A quarter century of UNIX. 17025031Swosch[U25] Peter H. Salus. Unix at 25. 17125031Swosch[USE] Usenet announcement. 17225031Swosch[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 17325031Swosch Changes in the Kernel in 2.9BSD. Second Berkeley Software 17425031Swosch Distribution UNIX Version 2.9, July, 1983. 17525031Swosch[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 17625031Swosch Volume 11, Info 4, April, 1987. 17725031Swosch[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 17825031Swosch comp.bugs.4bsd.ucb-fixes, June 15, 1988. 17925031Swosch[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 18038440Sjkh[FBD] FreeBSD Project, The. 18145349Swosch[NBD] NetBSD Project, The. 18245349Swosch[OBD] OpenBSD Project, The. 18342704Swosch[dmr] Dennis Ritchie, via E-Mail 18470110Swosch[BSDI] Berkeley Software Design, Inc. 18525031Swosch 18624424SwoschMultics 1965 18759769SgrogUNIX Summer 1969 18825031Swosch DEC PDP-7 18925031SwoschFirst Edition 1971-11-03 [QCU] 19025031Swosch DEC PDP-11/20, Assembler 19125031SwoschSecond Edition 1972-06-12 [QCU] 19259769Sgrog 10 UNIX installations 19325031SwoschThird Edition 1973-02-xx [QCU] 19425031Swosch Pipes, 16 installations 19525031SwoschFourth Edition 1973-11-xx [QCU] 19625031Swosch rewriting in C effected, 19724424Swosch above 30 installations 19825031SwoschFifth Edition 1974-06-xx [QCU] 19925031Swosch above 50 installations 20025031SwoschSixth Edition 1975-05-xx [QCU] 20125031Swosch port to DEC Vax 20225031SwoschSeventh Edition 1979-01-xx [QCU] 20359769Sgrog first portable UNIX 20459769SgrogEighth Edition 1985-02-xx [QCU] 20542704Swosch VAX 11/750, VAX 11/780 [dmr] 20642704Swosch descended from 4.1c BSD [dmr] 20742704Swosch descended from 4.1 BSD [44B] 20870110Swosch scooping-out and replacement of the character-device 20942704Swosch and networking part by the streams mechanism 21042704Swosch 21125031SwoschNinth Edition 1986-09-xx [QCU] 21225031SwoschTenth Edition 1989-10-xx [QCU] 21324424Swosch 21425031Swosch1BSD late 1977 21525031Swosch 1978-03-09 [QCU] 21625031Swosch PDP-11, Pascal, ex(1) 21725031Swosch 30 free copies of 1BSD sent out 21825031Swosch 35 tapes sold for 50 USD [QCU] 21925031Swosch2BSD mid 1978 [QCU] 22025031Swosch 75 2BSD tapes shipped 22125031Swosch2.7.9BSD ?? [SMS] 22225031Swosch2.8BSD 1981-07-xx [KSJ] 22324424Swosch 22425031Swosch2.8.1BSD 1982-01-xx [QCU] 22525031Swosch set of performance improvements 22625031Swosch2.9BSD 1983-07-xx [KSJ] 22725031Swosch2.9.1BSD 1983-11-xx 22825031Swosch2.9BSD-Seismo 1985-08-xx [SMS] 22925031Swosch2.10BSD 1987-04-xx [KKK] 23025031Swosch2.10.1BSD 1989-01-xx [SMS] 23125031Swosch2.11BSD 1992-02-xx [SMS] 23259156Swosch2.11BSD rev #430 1999-12-13 [SMS] 23325031Swosch 23425031Swosch32V 1978-1[01]-xx [QCU] 23525031Swosch3BSD late 1979 [QCU] 23625031Swosch virtual memory, page replacement, 23725031Swosch demand paging 23825031Swosch4.0BSD 1980-10-xx 23925031Swosch4.1BSD 1981-06-xx 24025031Swosch4.1aBSD 1982-04-xx 24125031Swosch alpha release, 100 sites, networking [44B] 24225031Swosch4.1bBSD internal release, fast filesystem [44B] 24324424Swosch4.1cBSD late 1982 24425031Swosch beta release, IPC [44B] 24525031Swosch4.2BSD 1983-09-xx [QCU] 24625031Swosch4.3BSD 1986-06-xx [QCU] 24725031Swosch 1986-04-xx [KB] 24825031Swosch4.3BSD Tahoe 1988-06-xx [QCU] 24925031Swosch4.3BSD NET/1 1988-11-xx [QCU] 25025031Swosch4.3BSD Reno 1990-06-xx [QCU], [DOC] 25125031Swosch4.3BSD NET/2 1991-06-xx [QCU] 25270110Swosch 25371231SitojunBSD/386 ALPHA 1991-12-xx [BSDI] 25470110Swosch first code released to people outside BSDI 25525031Swosch386BSD 0.0 1992-02-xx [DOC] 25671231SitojunBSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 25771231SitojunBSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 25869278Sasmodai386BSD 0.1 1992-07-28 [DOC] 25925031Swosch4.4BSD Alpha 1992-07-07 26071231SitojunBSD/386 0.9.3 1992-10-xx [BSDI] 26170110Swosch first external gamma; G customers 26271231SitojunBSD/386 0.9.4 1992-12-xx [BSDI] 26370110Swosch would have been 1.0 except for request 26470110Swosch for preliminary injunction 26571231SitojunBSD/386 1.0 1993-03-xx [BSDI] 26670110Swosch injunction denied; first official release 26757000SwoschNetBSD 0.8 1993-04-20 [NBD] 26825031Swosch4.4BSD 1993-06-01 [USE] 26945349SwoschNetBSD 0.9 1993-08-23 [NBD] 27078270SnikFreeBSD 1.0 1993-11-01 [FBD] 27171231SitojunBSD/386 1.1 1994-02-xx [BSDI] 27225031Swosch4.4BSD Lite 1994-03-01 [USE] 27338440SjkhFreeBSD 1.1 1994-04-xx [FBD] 27438440SjkhFreeBSD 1.1.5.1 1994-07-xx [FBD] 27549392Swosch supersedes 1.1.5 3 days after release. 27657000SwoschNetBSD 1.0 1994-10-26 [NBD] 27738440Sjkh386BSD 1.0 1994-11-12 [USE] 27838440SjkhFreeBSD 2.0 1995-01-xx [FBD] 27970110SwoschBSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 28069278SasmodaiFreeBSD 2.0.5 1995-06-10 [FBD] 28170110SwoschBSD/OS 2.0.1 1995-06-xx [BSDI] 28225031Swosch4.4BSD Lite Release 2 1995-06-xx [44B] 28325031Swosch the true final distribution from the CSRG 28469278SasmodaiFreeBSD 2.1.0 1995-11-19 [FBD] 28545349SwoschNetBSD 1.1 1995-11-26 [NBD] 28670110SwoschBSD/OS 2.1 1996-01-xx [BSDI] 28769278SasmodaiFreeBSD 2.1.5 1996-07-14 [FBD] 28845349SwoschNetBSD 1.2 1996-10-04 [NBD] 28945349SwoschOpenBSD 2.0 1996-10-18 [OBD] 29069278SasmodaiFreeBSD 2.1.6 1996-11-16 [FBD] 29169278SasmodaiFreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 29280675SasmodaiRhapsody 1997-xx-xx 29369278SasmodaiFreeBSD 2.1.7 1997-02-20 [FBD] 29470110SwoschBSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 29569278SasmodaiFreeBSD 2.2.0 1997-03-16 [FBD] 29669278SasmodaiFreeBSD 2.2.1 1997-03-25 [FBD] 29769278SasmodaiFreeBSD 2.2.2 1997-05-16 [FBD] 29857000SwoschNetBSD 1.2.1 1997-05-20 [NBD] (patch release) 29945349SwoschOpenBSD 2.1 1997-06-01 [OBD] 30069277SasmodaiFreeBSD 2.2.5 1997-10-22 [FBD] 30145349SwoschOpenBSD 2.2 1997-12-01 [OBD] 30266542SitojunNetBSD 1.3 1998-01-04 [NBD] 30369277SasmodaiFreeBSD 2.2.6 1998-03-25 [FBD] 30457000SwoschNetBSD 1.3.1 1998-03-09 [NBD] (patch release) 30570110SwoschBSD/OS 3.1 1998-03-xx [BSDI] 30645349SwoschOpenBSD 2.3 1998-05-19 [OBD] 30757000SwoschNetBSD 1.3.2 1998-05-29 [NBD] (patch release) 30869277SasmodaiFreeBSD 2.2.7 1998-07-22 [FBD] 30970110SwoschBSD/OS 4.0 1998-08-xx [BSDI] 31070110Swosch 2-lock MP support, ELF executables 31142589SwoschFreeBSD 3.0 1998-10-16 [FBD] 31270110Swosch FreeBSD-3.0 is a snapshot from -current, 31370110Swosch while 3.1 and 3.2 are from 3.x-stable which 31446321Swosch was branched quite some time after 3.0-release 31545349SwoschFreeBSD 2.2.8 1998-11-29 [FBD] 31645349SwoschOpenBSD 2.4 1998-12-01 [OBD] 31757000SwoschNetBSD 1.3.3 1998-12-23 [NBD] (patch release) 31846318SwoschFreeBSD 3.1 1999-02-15 [FBD] 31970110SwoschBSD/OS 4.0.1 1999-03-xx [BSDI] 32056406SwoschNetBSD 1.4 1999-05-12 [NBD] 32155389SbillfFreeBSD 3.2 1999-05-17 [FBD] 32255389SbillfOpenBSD 2.5 1999-05-19 [OBD] 32357000SwoschNetBSD 1.4.1 1999-08-26 [NBD] (patch release) 32455389SbillfFreeBSD 3.3 1999-09-17 [FBD] 32555389SbillfOpenBSD 2.6 1999-12-01 [OBD] 32655389SbillfFreeBSD 3.4 1999-12-20 [FBD] 32770110SwoschBSD/OS 4.1 1999-12-xx [BSDI] 32858448SwoschFreeBSD 4.0 2000-03-13 [FBD] 32958448SwoschNetBSD 1.4.2 2000-03-19 [NBD] (patch release) 33065412SwoschOpenBSD 2.7 2000-06-15 [OBD] 33164612SalexFreeBSD 3.5 2000-06-24 [FBD] 33264612SalexFreeBSD 4.1 2000-07-27 [FBD] 33365411SwoschFreeBSD 3.5.1 2000-07-28 [FBD] 33465974SwoschFreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 33569277SasmodaiFreeBSD 4.2 2000-11-21 [FBD] 33669277SasmodaiNetBSD 1.4.3 2000-11-25 [NBD] (patch release) 33770119SwoschBSD/OS 4.2 2000-11-29 [BSDI] 33869277SasmodaiOpenBSD 2.8 2000-12-01 [OBD] 33970111SwoschNetBSD 1.5 2000-12-06 [NBD] 34080675SasmodaiMac OS X 10.0 2001-03-24 [APL] 34175833SwoschFreeBSD 4.3 2001-04-20 [FBD] 34278867SitojunOpenBSD 2.9 2001-06-01 [OBD] 34379603SitojunNetBSD 1.5.1 2001-07-11 [NBD] (patch release) 34484087SwoschNetBSD 1.5.2 2001-09-13 [NBD] (patch release) 34583686SobrienFreeBSD 4.4 2001-09-18 [FBD] 34680675SasmodaiMac OS X 10.1 2001-09-xx [APL] 34787201SwoschOpenBSD 3.0 2001-12-01 [OBD] 34824424Swosch 34925031Swosch 35024424SwoschBibliography 35124424Swosch------------------------ 35224424Swosch 35324424SwoschLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 35424424SwoschQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating 35524424SwoschSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 35624424Swosch 35724424SwoschSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 35824424SwoschCompany, Inc., 1994. ISBN 0-201-54777-5 35924424Swosch 36024424SwoschMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 36124424SwoschQuarterman. The Design and Implementation of the 4.4BSD Operating 36224424SwoschSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 36324424Swosch 36425031SwoschDoug McIlroy. Research Unix Reader. 36525031Swosch 36624424SwoschMichael G. Brown. The Role of BSD in the Development of Unix. 36724424SwoschPresented to the Tasmanian Unix Special Interest Group of the 36824424SwoschAustralian Computer Society, Hobart, August 1993. 36924424Swosch 37059769SgrogPeter H. Salus. Unix at 25. Byte Magazine, October 1994. 37179514SitojunURL: http://www.byte.com/art/9410/sec8/art3.htm (unreachable) 37224424Swosch 37325031SwoschAndreas Klemm, Lars K�ller. If you're going to San Francisco ... 37425031SwoschDie freien BSD-Varianten von Unix. c't April 1997, page 368ff. 37525031Swosch 37625031SwoschBSD Release Announcements collection. 37759769SgrogURL: http://www.de.FreeBSD.org/de/ftp/releases/ 37825031Swosch 37931658SwoschBSD Hypertext Man Pages 38079514SitojunURL: http://www.FreeBSD.org/cgi/man.cgi 38131658Swosch 38259769SgrogUNIX history graphing project 38379514SitojunURL: http://minnie.tuhs.org/Unix_History/index.html 38459769Sgrog 38565415SwoschUNIX history 38679514SitojunURL: http://perso.wanadoo.fr/levenez/unix/ 38765415Swosch 38875834SwoschJames Howard: The BSD Family Tree 38979514SitojunURL: http://www.daemonnews.org/200104/bsd_family.html 39075834Swosch("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 39175834Swosch 39275834Swosch 39325031SwoschAcknowledgments 39425031Swosch--------------- 39525031Swosch 39659769SgrogJosh Gilliam for suggestions, bug fixes, and finding very old 39725031Swoschoriginal BSD announcements from Usenet or tapes. 39825031Swosch 39931658SwoschSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 40025031Swosch 40124424Swosch-- 40272877SwoschCopyright (c) 1997-2001 Wolfram Schneider <wosch@FreeBSD.ORG> 40367388SwoschURL: ftp://ftp.freebsd.org/pub/FreeBSD/branches/-current/src/share/misc/bsd-family-tree 40442589Swosch 40550970Speter$FreeBSD: head/share/misc/bsd-family-tree 87201 2001-12-02 11:19:24Z wosch $ 406