bsd-family-tree revision 1.5
11.1SabsThe Unix system family tree / BSD history chart 21.1Sabs----------------------------------------------- 31.1Sabs 41.1SabsFirst Edition (V1) 51.1Sabs | 61.1SabsSecond Edition (V2) 71.1Sabs | 81.1SabsThird Edition (V3) 91.1Sabs | 101.1SabsFourth Edition (V4) 111.1Sabs | 121.1SabsFifth Edition (V5) 131.1Sabs | 141.1SabsSixth Edition (V6) -----* 151.1Sabs \ | 161.1Sabs \ | 171.1Sabs \ | 181.1SabsSeventh Edition (V7) | 191.1Sabs \ | 201.1Sabs \ 1BSD 211.1Sabs 32V | 221.1Sabs \ 2BSD---------------* 231.1Sabs \ / | 241.1Sabs \ / | 251.1Sabs \/ | 261.1Sabs 3BSD | 271.1Sabs | | 281.1Sabs 4.0BSD 2.7.9BSD 291.1Sabs | | 301.1Sabs *------ 4.1BSD --------------> 2.8BSD 311.1Sabs / | | 321.1SabsEighth Edition | 2.8.1BSD 331.1Sabs | | | 341.1Sabs | 4.1aBSD -----------\ | 351.1Sabs | | \ | 361.1Sabs | 4.1bBSD \ | 371.1Sabs | | \ | 381.1Sabs | 4.1cBSD --------------> 2.9BSD 391.1Sabs | | | 401.1Sabs | | 2.9BSD-Seismo 411.1Sabs | | | 421.1Sabs +----<--- 4.2BSD 2.9.1BSD 431.1Sabs | | | 441.1Sabs +----<--- 4.3BSD -------------> 2.10BSD 451.1Sabs | | / | 461.1SabsNinth Edition | / 2.10.1BSD 471.1Sabs | 4.3BSD Tahoe-----+ | 481.1Sabs | | \ | 491.1Sabs | | \ | 501.1Sabs v | 2.11BSD 511.1SabsTenth Edition | | 521.1Sabs | 2.11BSD rev #366 531.1Sabs 4.3BSD NET/1 | 541.1Sabs | v 551.1Sabs 4.3BSD Reno 561.1Sabs | 571.1Sabs *---------- 4.3BSD NET/2 -------------------+-------------* 581.1Sabs | | | | 591.1Sabs386BSD 0.0 | | | 601.1Sabs | | | | 611.1Sabs386BSD 0.1 ------------>+ | BSDI 1.0 621.1Sabs | \ | 4.4BSD Alpha | 631.1Sabs | 386BSD 1.0 | | | 641.1Sabs | | 4.4BSD | 651.1Sabs | | / | | 661.1Sabs | | 4.4BSD-Encumbered | | 671.1Sabs | NetBSD 0.8 | | 681.1Sabs | | | | 691.1SabsFreeBSD 1.0 NetBSD 0.9 | | 701.1Sabs | | .----- 4.4BSD Lite --> BSDI 2.0 711.1SabsFreeBSD 1.1 | / / | | 721.1Sabs | | / / | BSDI 2.0.1 731.1SabsFreeBSD 1.1.5 .---|--------' / | | 741.1Sabs | / | / 4.4BSD Lite2 -> BSDI 2.1 751.1SabsFreeBSD 1.1.5.1 / | / / | | \ | 761.1Sabs | / NetBSD 1.0 <-' / | | \ | 771.1Sabs | / | / | | `-BSDI 3.0 781.1SabsFreeBSD 2.0 <--' | FreeBSD 3.0 | | | 791.1Sabs | \ NetBSD 1.3 | v 801.1SabsFreeBSD 2.0.5 \ OpenBSD 2.3 811.1Sabs | \ 821.1Sabs | \ 831.1SabsFreeBSD 2.1 | 841.2Sabs | | NetBSD 1.1 ---------. 851.2Sabs | FreeBSD 2.1.5 | \ 861.2Sabs | | NetBSD 1.2 \ 871.2Sabs | FreeBSD 2.1.6 | | OpenBSD 2.0 881.2Sabs | | | | | 891.2Sabs | FreeBSD 2.1.6.1 | | | 901.2Sabs | | | | | 911.2Sabs | FreeBSD 2.1.7 | | | 921.2Sabs | | | NetBSD 1.2.1 | 931.2Sabs | FreeBSD 2.1.7.1 | | 941.2Sabs | | | 951.2Sabs | | | 961.2Sabs *-FreeBSD 2.2 | | 971.2Sabs | | | | 981.2Sabs | FreeBSD 2.2.1 | | 991.2Sabs | | | | 1001.2Sabs | FreeBSD 2.2.2 | OpenBSD 2.1 1011.4Sabs | | | | 1021.4Sabs | FreeBSD 2.2.5 | | 1031.4Sabs | | | OpenBSD 2.2 1041.2Sabs | | NetBSD 1.3 | 1051.4Sabs | FreeBSD 2.2.6 | | | 1061.4Sabs | | | NetBSD 1.3.1 | 1071.4Sabs | | | | OpenBSD 2.3 1081.2Sabs | | | NetBSD 1.3.2 | 1091.4Sabs | FreeBSD 2.2.7 | | | 1101.3Sjwise | | | | | 1111.4Sabs | FreeBSD 2.2.8 | | | 1121.4Sabs | | | | 1131.4SabsFreeBSD 3.0 | | OpenBSD 2.4 1141.4Sabs | | NetBSD 1.3.3 | 1151.4Sabs *---FreeBSD 3.1 | | 1161.4Sabs | | NetBSD 1.4 | 1171.4Sabs | FreeBSD 3.2 | OpenBSD 2.5 1181.3Sjwise | | | 1191.4SabsFreeBSD 4.0-CURRENT NetBSD -current OpenBSD -current 1201.2Sabs | | | 1211.2Sabs v v v 1221.1Sabs 1231.1Sabs 1241.1SabsTime 1251.1Sabs---------------- 1261.1Sabs 1271.1SabsTime tolerance +/- 6 month, depend on which book/article you read; if 1281.1Sabsit was the announcement in Usenet or if it was available as tape. 1291.1Sabs 1301.1Sabs[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 1311.1Sabs and John Quarterman. The Design and Implementation of 1321.1Sabs the 4.4BSD Operating System. 1331.1Sabs[DOC] README, COPYRIGHT on tape. 1341.1Sabs[QCU] Salus, Peter H. A quarter century of UNIX. 1351.1Sabs[U25] Peter H. Salus. Unix at 25. 1361.1Sabs[USE] Usenet announcement. 1371.1Sabs[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 1381.1Sabs Changes in the Kernel in 2.9BSD. Second Berkeley Software 1391.1Sabs Distribution UNIX Version 2.9, July, 1983. 1401.1Sabs[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 1411.1Sabs Volume 11, Info 4, April, 1987. 1421.1Sabs[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 1431.1Sabs comp.bugs.4bsd.ucb-fixes, June 15, 1988. 1441.1Sabs[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 1451.1Sabs[FBD] FreeBSD Project, The. 1461.1Sabs[NBD] NetBSD Project, The. 1471.1Sabs[OBD] OpenBSD Project, The. 1481.1Sabs[dmr] Dennis Ritchie, via E-Mail 1491.1Sabs 1501.1Sabs 1511.1SabsMultics 1965 1521.1SabsUnix Summer 1969 1531.1Sabs DEC PDP-7 1541.1SabsFirst Edition 1971-11-03 [QCU] 1551.1Sabs DEC PDP-11/20, Assembler 1561.1SabsSecond Edition 1972-06-12 [QCU] 1571.1Sabs 10 Unix installations 1581.1SabsThird Edition 1973-02-xx [QCU] 1591.1Sabs Pipes, 16 installations 1601.1SabsFourth Edition 1973-11-xx [QCU] 1611.1Sabs rewriting in C effected, 1621.1Sabs above 30 installations 1631.1SabsFifth Edition 1974-06-xx [QCU] 1641.1Sabs above 50 installations 1651.1SabsSixth Edition 1975-05-xx [QCU] 1661.1Sabs port to DEC Vax 1671.1SabsSeventh Edition 1979-01-xx [QCU] 1681.1Sabs first portable Unix 1691.1SabsEight Edition 1985-02-xx [QCU] 1701.1Sabs VAX 11/750, VAX 11/780 [dmr] 1711.1Sabs descended from 4.1c BSD [dmr] 1721.1Sabs descended from 4.1 BSD [44B] 1731.1Sabs scooping-out and replacement of the character-device 1741.1Sabs and networking part by the streams mechanism 1751.1Sabs 1761.1SabsNinth Edition 1986-09-xx [QCU] 1771.1SabsTenth Edition 1989-10-xx [QCU] 1781.1Sabs 1791.1Sabs1BSD late 1977 1801.1Sabs 1978-03-09 [QCU] 1811.1Sabs PDP-11, Pascal, ex(1) 1821.1Sabs 30 free copies of 1BSD sent out 1831.1Sabs 35 tapes sold for 50 USD [QCU] 1841.1Sabs2BSD mid 1978 [QCU] 1851.1Sabs 75 2BSD tapes shipped 1861.1Sabs2.7.9BSD ?? [SMS] 1871.1Sabs2.8BSD 1981-07-xx [KSJ] 1881.1Sabs 1891.1Sabs2.8.1BSD 1982-01-xx [QCU] 1901.1Sabs set of performance improvements 1911.1Sabs2.9BSD 1983-07-xx [KSJ] 1921.1Sabs2.9.1BSD 1983-11-xx 1931.1Sabs2.9BSD-Seismo 1985-08-xx [SMS] 1941.1Sabs2.10BSD 1987-04-xx [KKK] 1951.1Sabs2.10.1BSD 1989-01-xx [SMS] 1961.1Sabs2.11BSD 1992-02-xx [SMS] 1971.1Sabs2.11BSD rev #366 1997-02-xx [SMS] 1981.1Sabs 1991.1Sabs32V 1978-1[01]-xx [QCU] 2001.1Sabs3BSD late 1979 [QCU] 2011.1Sabs virtual memory, page replacement, 2021.1Sabs demand paging 2031.1Sabs4.0BSD 1980-10-xx 2041.1Sabs4.1BSD 1981-06-xx 2051.1Sabs4.1aBSD 1982-04-xx 2061.1Sabs alpha release, 100 sites, networking [44B] 2071.1Sabs4.1bBSD internal release, fast filesystem [44B] 2081.1Sabs4.1cBSD late 1982 2091.1Sabs beta release, IPC [44B] 2101.1Sabs4.2BSD 1983-09-xx [QCU] 2111.1Sabs4.3BSD 1986-06-xx [QCU] 2121.1Sabs 1986-04-xx [KB] 2131.1Sabs4.3BSD Tahoe 1988-06-xx [QCU] 2141.1Sabs4.3BSD NET/1 1988-11-xx [QCU] 2151.1Sabs4.3BSD Reno 1990-06-xx [QCU], [DOC] 2161.1Sabs4.3BSD NET/2 1991-06-xx [QCU] 2171.1Sabs386BSD 0.0 1992-02-xx [DOC] 2181.1Sabs386BSD 0.1 1992-07-xx [DOC] 2191.1Sabs4.4BSD Alpha 1992-07-07 2201.1SabsNetBSD 0.8 1993-04-19 [NBD] 2211.1Sabs4.4BSD 1993-06-01 [USE] 2221.1SabsNetBSD 0.9 1993-08-23 [NBD] 2231.1SabsFreeBSD 1.0 1993-11-xx [FOO] 2241.1Sabs4.4BSD Lite 1994-03-01 [USE] 2251.1SabsFreeBSD 1.1 1994-04-xx [FBD] 2261.1SabsFreeBSD 1.1.5.1 1994-07-xx [FBD] 2271.1Sabs supercedes 1.1.5 3 days after release. 2281.1SabsNetBSD 1.0 1994-11-08 [NBD] 2291.1Sabs386BSD 1.0 1994-11-12 [USE] 2301.1SabsFreeBSD 2.0 1995-01-xx [FBD] 2311.1SabsFreeBSD 2.0.5 1995-06-xx [FBD] 2321.1Sabs4.4BSD Lite Release 2 1995-06-xx [44B] 2331.1Sabs the true final distribution from the CSRG 2341.1SabsNetBSD 1.1 1995-11-26 [NBD] 2351.1SabsFreeBSD 2.1 1995-12-xx [FBD] 2361.1SabsFreeBSD 2.1.5 1996-08-xx [FBD] 2371.1SabsNetBSD 1.2 1996-10-04 [NBD] 2381.1SabsOpenBSD 2.0 1996-10-18 [OBD] 2391.1SabsFreeBSD 2.1.6 1996-12-xx [FBD] 2401.1SabsFreeBSD 2.1.7 1997-02-xx [FBD] 2411.1SabsFreeBSD 2.2.1 1997-04-xx [FBD] 2421.1SabsNetBSD 1.2.1 1997-05-20 [NBD] 2431.1SabsOpenBSD 2.1 1997-06-01 [OBD] 2441.1SabsFreeBSD 2.2.2 1997-06-xx [FBD] 2451.1SabsFreeBSD 2.2.5 1997-11-xx [FBD] 2461.1SabsOpenBSD 2.2 1997-12-01 [OBD] 2471.5SabsNetBSD 1.3 1998-01-04 [NBD] 2481.1SabsFreeBSD 2.2.6 1998-03-xx [FBD] 2491.5SabsNetBSD 1.3.1 1998-04-xx [NBD] 2501.1SabsOpenBSD 2.3 1998-05-19 [OBD] 2511.1SabsNetBSD 1.3.2 1998-05-24 [NBD] 2521.1SabsFreeBSD 2.2.7 1998-07-xx [FBD] 2531.1SabsFreeBSD 3.0 1998-10-16 [FBD] 2541.1SabsFreeBSD 2.2.8 1998-11-29 [FBD] 2551.1SabsOpenBSD 2.4 1998-12-01 [OBD] 2561.1SabsNetBSD 1.3.3 1998-12-23 [NBD] 2571.4SabsFreeBSD 3.1 1999-02-15 [FBD] 2581.4SabsNetBSD 1.4 1999-05-12 [NBD] 2591.4SabsOpenBSD 2.5 1999-05-19 [OBD] 2601.1Sabs 2611.1Sabs 2621.1SabsBibliography 2631.1Sabs------------------------ 2641.1Sabs 2651.1SabsLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 2661.1SabsQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating 2671.1SabsSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 2681.1Sabs 2691.1SabsSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 2701.1SabsCompany, Inc., 1994. ISBN 0-201-54777-5 2711.1Sabs 2721.1SabsMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 2731.1SabsQuarterman. The Design and Implementation of the 4.4BSD Operating 2741.1SabsSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 2751.1Sabs 2761.1SabsDoug McIlroy. Research Unix Reader. 2771.1Sabs 2781.1SabsMichael G. Brown. The Role of BSD in the Development of Unix. 2791.1SabsPresented to the Tasmanian Unix Special Interest Group of the 2801.1SabsAustralian Computer Society, Hobart, August 1993. 2811.1SabsURL: http://www.dpac.tas.gov.au/~mgb/papers/bsdrole.html 2821.1Sabs 2831.1SabsPeter H. Salus. Unix at 25. Byte Magazin, October 1994. 2841.1SabsURL: http://www.byte.com/art/9410/sec8/art3.htm 2851.1Sabs 2861.1SabsAndreas Klemm, Lars K�ller. If you're going to San Francisco ... 2871.1SabsDie freien BSD-Varianten von Unix. c't April 1997, page 368ff. 2881.1SabsURL: http://www.heise.de 2891.1Sabs 2901.1SabsBSD Release Announcements collection. 2911.1SabsURL: http://www.de.FreeBSD.ORG/de/ftp/releases/ 2921.1Sabs 2931.1SabsBSD Hypertext Man Pages 2941.1Sabshttp://www.freebsd.org/cgi/man.cgi 2951.1Sabs 2961.1SabsAcknowledgments 2971.1Sabs--------------- 2981.1Sabs 2991.1SabsJosh Gilliam for suggestions, bugfixes, and finding very old 3001.1Sabsoriginal BSD announcements from Usenet or tapes. 3011.1Sabs 3021.1SabsSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 3031.1Sabs 3041.1Sabs-- 3051.1SabsCopyright (c) 1997-1999 Wolfram Schneider <wosch@FreeBSD.ORG> 3061.1SabsURL: ftp://ftp.freebsd.org/pub/FreeBSD/FreeBSD-current/src/share/misc/bsd-family-tree 3071.1Sabs 3081.1Sabs$FreeBSD: Date: 1999/01/15 17:21:39 $ $FreeBSD Revision: 1.11 $ 3091.1Sabs 3101.5Sabs$NetBSD: bsd-family-tree,v 1.5 1999/07/07 01:54:46 abs Exp $ 311