bsd-family-tree revision 104782
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/] 177104782Sjhb[BSDI] Berkeley Software Design, Inc. 17825031Swosch[DOC] README, COPYRIGHT on tape. 179104782Sjhb[FBD] FreeBSD Project, The. 180104782Sjhb[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 181104782Sjhb Volume 11, Info 4, April, 1987. 18225031Swosch[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 18325031Swosch Changes in the Kernel in 2.9BSD. Second Berkeley Software 18425031Swosch Distribution UNIX Version 2.9, July, 1983. 18525031Swosch[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 18625031Swosch comp.bugs.4bsd.ucb-fixes, June 15, 1988. 18745349Swosch[NBD] NetBSD Project, The. 18845349Swosch[OBD] OpenBSD Project, The. 189104782Sjhb[QCU] Salus, Peter H. A quarter century of UNIX. 190104782Sjhb[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 191104782Sjhb[USE] Usenet announcement. 192104782Sjhb[WRS] Wind River Systems, Inc. 19342704Swosch[dmr] Dennis Ritchie, via E-Mail 19425031Swosch 19524424SwoschMultics 1965 19659769SgrogUNIX Summer 1969 19725031Swosch DEC PDP-7 19825031SwoschFirst Edition 1971-11-03 [QCU] 19925031Swosch DEC PDP-11/20, Assembler 20025031SwoschSecond Edition 1972-06-12 [QCU] 20159769Sgrog 10 UNIX installations 20225031SwoschThird Edition 1973-02-xx [QCU] 20325031Swosch Pipes, 16 installations 20425031SwoschFourth Edition 1973-11-xx [QCU] 20525031Swosch rewriting in C effected, 20624424Swosch above 30 installations 20725031SwoschFifth Edition 1974-06-xx [QCU] 20825031Swosch above 50 installations 20925031SwoschSixth Edition 1975-05-xx [QCU] 21025031Swosch port to DEC Vax 21125031SwoschSeventh Edition 1979-01-xx [QCU] 21259769Sgrog first portable UNIX 21359769SgrogEighth Edition 1985-02-xx [QCU] 21442704Swosch VAX 11/750, VAX 11/780 [dmr] 21542704Swosch descended from 4.1c BSD [dmr] 21642704Swosch descended from 4.1 BSD [44B] 21770110Swosch scooping-out and replacement of the character-device 21842704Swosch and networking part by the streams mechanism 21942704Swosch 22025031SwoschNinth Edition 1986-09-xx [QCU] 22125031SwoschTenth Edition 1989-10-xx [QCU] 22224424Swosch 22325031Swosch1BSD late 1977 22425031Swosch 1978-03-09 [QCU] 22525031Swosch PDP-11, Pascal, ex(1) 22625031Swosch 30 free copies of 1BSD sent out 22725031Swosch 35 tapes sold for 50 USD [QCU] 22825031Swosch2BSD mid 1978 [QCU] 22925031Swosch 75 2BSD tapes shipped 23025031Swosch2.7.9BSD ?? [SMS] 23125031Swosch2.8BSD 1981-07-xx [KSJ] 23224424Swosch 23325031Swosch2.8.1BSD 1982-01-xx [QCU] 23425031Swosch set of performance improvements 23525031Swosch2.9BSD 1983-07-xx [KSJ] 23625031Swosch2.9.1BSD 1983-11-xx 23725031Swosch2.9BSD-Seismo 1985-08-xx [SMS] 23825031Swosch2.10BSD 1987-04-xx [KKK] 23925031Swosch2.10.1BSD 1989-01-xx [SMS] 24025031Swosch2.11BSD 1992-02-xx [SMS] 24159156Swosch2.11BSD rev #430 1999-12-13 [SMS] 24225031Swosch 24325031Swosch32V 1978-1[01]-xx [QCU] 24425031Swosch3BSD late 1979 [QCU] 24525031Swosch virtual memory, page replacement, 24625031Swosch demand paging 24725031Swosch4.0BSD 1980-10-xx 24889981Sjoe4.1BSD 1981-07-08 [DOC] 24925031Swosch4.1aBSD 1982-04-xx 25025031Swosch alpha release, 100 sites, networking [44B] 25125031Swosch4.1bBSD internal release, fast filesystem [44B] 25224424Swosch4.1cBSD late 1982 25325031Swosch beta release, IPC [44B] 25425031Swosch4.2BSD 1983-09-xx [QCU] 25589981Sjoe 1983-08-03 [DOC] 25625031Swosch4.3BSD 1986-06-xx [QCU] 25789981Sjoe 1986-04-05 [KB], [DOC] 25889981Sjoe4.3BSD Tahoe 1988-06-15 [QCU], [DOC] 25925031Swosch4.3BSD NET/1 1988-11-xx [QCU] 26089981Sjoe 1989-01-01 [DOC] 26189981Sjoe4.3BSD Reno 1990-06-29 [QCU], [DOC] 26289981Sjoe4.3BSD NET/2 1991-06-28 [QCU], [DOC] 26370110Swosch 26471231SitojunBSD/386 ALPHA 1991-12-xx [BSDI] 26570110Swosch first code released to people outside BSDI 26625031Swosch386BSD 0.0 1992-02-xx [DOC] 26771231SitojunBSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 26871231SitojunBSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 26969278Sasmodai386BSD 0.1 1992-07-28 [DOC] 27025031Swosch4.4BSD Alpha 1992-07-07 27171231SitojunBSD/386 0.9.3 1992-10-xx [BSDI] 27270110Swosch first external gamma; G customers 27371231SitojunBSD/386 0.9.4 1992-12-xx [BSDI] 27470110Swosch would have been 1.0 except for request 27570110Swosch for preliminary injunction 27671231SitojunBSD/386 1.0 1993-03-xx [BSDI] 27770110Swosch injunction denied; first official release 27857000SwoschNetBSD 0.8 1993-04-20 [NBD] 27925031Swosch4.4BSD 1993-06-01 [USE] 28045349SwoschNetBSD 0.9 1993-08-23 [NBD] 28178270SnikFreeBSD 1.0 1993-11-01 [FBD] 28271231SitojunBSD/386 1.1 1994-02-xx [BSDI] 28325031Swosch4.4BSD Lite 1994-03-01 [USE] 28438440SjkhFreeBSD 1.1 1994-04-xx [FBD] 28538440SjkhFreeBSD 1.1.5.1 1994-07-xx [FBD] 28649392Swosch supersedes 1.1.5 3 days after release. 28757000SwoschNetBSD 1.0 1994-10-26 [NBD] 28838440Sjkh386BSD 1.0 1994-11-12 [USE] 28938440SjkhFreeBSD 2.0 1995-01-xx [FBD] 29070110SwoschBSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 29169278SasmodaiFreeBSD 2.0.5 1995-06-10 [FBD] 29270110SwoschBSD/OS 2.0.1 1995-06-xx [BSDI] 29325031Swosch4.4BSD Lite Release 2 1995-06-xx [44B] 29425031Swosch the true final distribution from the CSRG 29569278SasmodaiFreeBSD 2.1.0 1995-11-19 [FBD] 29645349SwoschNetBSD 1.1 1995-11-26 [NBD] 29770110SwoschBSD/OS 2.1 1996-01-xx [BSDI] 29869278SasmodaiFreeBSD 2.1.5 1996-07-14 [FBD] 29945349SwoschNetBSD 1.2 1996-10-04 [NBD] 30045349SwoschOpenBSD 2.0 1996-10-18 [OBD] 30169278SasmodaiFreeBSD 2.1.6 1996-11-16 [FBD] 30269278SasmodaiFreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 30380675SasmodaiRhapsody 1997-xx-xx 30469278SasmodaiFreeBSD 2.1.7 1997-02-20 [FBD] 30570110SwoschBSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 30669278SasmodaiFreeBSD 2.2.0 1997-03-16 [FBD] 30769278SasmodaiFreeBSD 2.2.1 1997-03-25 [FBD] 30869278SasmodaiFreeBSD 2.2.2 1997-05-16 [FBD] 30957000SwoschNetBSD 1.2.1 1997-05-20 [NBD] (patch release) 31045349SwoschOpenBSD 2.1 1997-06-01 [OBD] 31169277SasmodaiFreeBSD 2.2.5 1997-10-22 [FBD] 31245349SwoschOpenBSD 2.2 1997-12-01 [OBD] 31366542SitojunNetBSD 1.3 1998-01-04 [NBD] 31469277SasmodaiFreeBSD 2.2.6 1998-03-25 [FBD] 31557000SwoschNetBSD 1.3.1 1998-03-09 [NBD] (patch release) 31670110SwoschBSD/OS 3.1 1998-03-xx [BSDI] 31745349SwoschOpenBSD 2.3 1998-05-19 [OBD] 31857000SwoschNetBSD 1.3.2 1998-05-29 [NBD] (patch release) 31969277SasmodaiFreeBSD 2.2.7 1998-07-22 [FBD] 32070110SwoschBSD/OS 4.0 1998-08-xx [BSDI] 32170110Swosch 2-lock MP support, ELF executables 32242589SwoschFreeBSD 3.0 1998-10-16 [FBD] 32370110Swosch FreeBSD-3.0 is a snapshot from -current, 32470110Swosch while 3.1 and 3.2 are from 3.x-stable which 32546321Swosch was branched quite some time after 3.0-release 32645349SwoschFreeBSD 2.2.8 1998-11-29 [FBD] 32745349SwoschOpenBSD 2.4 1998-12-01 [OBD] 32857000SwoschNetBSD 1.3.3 1998-12-23 [NBD] (patch release) 32946318SwoschFreeBSD 3.1 1999-02-15 [FBD] 33070110SwoschBSD/OS 4.0.1 1999-03-xx [BSDI] 33156406SwoschNetBSD 1.4 1999-05-12 [NBD] 33255389SbillfFreeBSD 3.2 1999-05-17 [FBD] 33355389SbillfOpenBSD 2.5 1999-05-19 [OBD] 33457000SwoschNetBSD 1.4.1 1999-08-26 [NBD] (patch release) 33555389SbillfFreeBSD 3.3 1999-09-17 [FBD] 33655389SbillfOpenBSD 2.6 1999-12-01 [OBD] 33755389SbillfFreeBSD 3.4 1999-12-20 [FBD] 33870110SwoschBSD/OS 4.1 1999-12-xx [BSDI] 33958448SwoschFreeBSD 4.0 2000-03-13 [FBD] 34058448SwoschNetBSD 1.4.2 2000-03-19 [NBD] (patch release) 34165412SwoschOpenBSD 2.7 2000-06-15 [OBD] 34264612SalexFreeBSD 3.5 2000-06-24 [FBD] 34364612SalexFreeBSD 4.1 2000-07-27 [FBD] 34465411SwoschFreeBSD 3.5.1 2000-07-28 [FBD] 34565974SwoschFreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 34669277SasmodaiFreeBSD 4.2 2000-11-21 [FBD] 34769277SasmodaiNetBSD 1.4.3 2000-11-25 [NBD] (patch release) 34870119SwoschBSD/OS 4.2 2000-11-29 [BSDI] 34969277SasmodaiOpenBSD 2.8 2000-12-01 [OBD] 35070111SwoschNetBSD 1.5 2000-12-06 [NBD] 35180675SasmodaiMac OS X 10.0 2001-03-24 [APL] 35275833SwoschFreeBSD 4.3 2001-04-20 [FBD] 35378867SitojunOpenBSD 2.9 2001-06-01 [OBD] 35479603SitojunNetBSD 1.5.1 2001-07-11 [NBD] (patch release) 35584087SwoschNetBSD 1.5.2 2001-09-13 [NBD] (patch release) 35683686SobrienFreeBSD 4.4 2001-09-18 [FBD] 35780675SasmodaiMac OS X 10.1 2001-09-xx [APL] 35887201SwoschOpenBSD 3.0 2001-12-01 [OBD] 35992013SwoschFreeBSD 4.5 2002-01-29 [FBD] 360104772SmaximBSD/OS 4.3 2002-03-14 [WRS] 361101331SwoschOpenBSD 3.1 2002-05-19 [OBD] 362101331SwoschFreeBSD 4.6 2002-06-15 [FBD] 363101332SwoschNetBSD 1.5.3 2002-07-22 [NBD] (patch release) 364104781SjhbFreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 365104781SjhbMac OS X 10.2 2002-08-23 [APL] 366104781SjhbNetBSD 1.6 2002-09-14 [NBD] 367104659SmurrayFreeBSD 4.7 2002-10-08 [FBD] 36824424Swosch 36924424SwoschBibliography 37024424Swosch------------------------ 37124424Swosch 37224424SwoschLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 37324424SwoschQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating 37424424SwoschSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 37524424Swosch 37624424SwoschSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 37724424SwoschCompany, Inc., 1994. ISBN 0-201-54777-5 37824424Swosch 37924424SwoschMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 38024424SwoschQuarterman. The Design and Implementation of the 4.4BSD Operating 38124424SwoschSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 38224424Swosch 38325031SwoschDoug McIlroy. Research Unix Reader. 38425031Swosch 38524424SwoschMichael G. Brown. The Role of BSD in the Development of Unix. 38624424SwoschPresented to the Tasmanian Unix Special Interest Group of the 38724424SwoschAustralian Computer Society, Hobart, August 1993. 38824424Swosch 38959769SgrogPeter H. Salus. Unix at 25. Byte Magazine, October 1994. 39079514SitojunURL: http://www.byte.com/art/9410/sec8/art3.htm (unreachable) 39124424Swosch 39225031SwoschAndreas Klemm, Lars K�ller. If you're going to San Francisco ... 39325031SwoschDie freien BSD-Varianten von Unix. c't April 1997, page 368ff. 39425031Swosch 39525031SwoschBSD Release Announcements collection. 39659769SgrogURL: http://www.de.FreeBSD.org/de/ftp/releases/ 39725031Swosch 39831658SwoschBSD Hypertext Man Pages 39979514SitojunURL: http://www.FreeBSD.org/cgi/man.cgi 40031658Swosch 40159769SgrogUNIX history graphing project 40279514SitojunURL: http://minnie.tuhs.org/Unix_History/index.html 40359769Sgrog 40465415SwoschUNIX history 40579514SitojunURL: http://perso.wanadoo.fr/levenez/unix/ 40665415Swosch 40775834SwoschJames Howard: The BSD Family Tree 40879514SitojunURL: http://www.daemonnews.org/200104/bsd_family.html 40975834Swosch("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 41075834Swosch 41175834Swosch 41225031SwoschAcknowledgments 41325031Swosch--------------- 41425031Swosch 41559769SgrogJosh Gilliam for suggestions, bug fixes, and finding very old 41625031Swoschoriginal BSD announcements from Usenet or tapes. 41725031Swosch 41831658SwoschSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 41925031Swosch 42024424Swosch-- 42172877SwoschCopyright (c) 1997-2001 Wolfram Schneider <wosch@FreeBSD.ORG> 42267388SwoschURL: ftp://ftp.freebsd.org/pub/FreeBSD/branches/-current/src/share/misc/bsd-family-tree 42342589Swosch 42450970Speter$FreeBSD: head/share/misc/bsd-family-tree 104782 2002-10-10 14:21:01Z jhb $ 425