bsd-family-tree revision 1.1
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 | 841.1Sabs | | NetBSD 1.1 ------. 851.1Sabs | FreeBSD 2.1.5 | \ 861.1Sabs | | NetBSD 1.2 \ 871.1Sabs | FreeBSD 2.1.6 | OpenBSD 2.0 881.1Sabs | | | | 891.1Sabs | FreeBSD 2.1.6.1 | | 901.1Sabs | | | | 911.1Sabs | FreeBSD 2.1.7 | | 921.1Sabs | | NetBSD 1.2.1 | 931.1Sabs | FreeBSD 2.1.7.1 | | 941.1Sabs | | | 951.1Sabs | | | 961.1Sabs *-FreeBSD 2.2 | | 971.1Sabs | | | | 981.1Sabs | FreeBSD 2.2.1 | | 991.1Sabs | | | | 1001.1Sabs | FreeBSD 2.2.2 | OpenBSD 2.1 1011.1Sabs | | NetBSD 1.3 | 1021.1Sabs | FreeBSD 2.2.5 | | 1031.1Sabs | | NetBSD 1.3.1 OpenBSD 2.2 1041.1Sabs | v | | 1051.1Sabs | FreeBSD 2.2.6 | OpenBSD 2.3 1061.1Sabs | | NetBSD 1.3.2 | 1071.1Sabs | v | | 1081.1Sabs | FreeBSD 2.2.7 | | 1091.1Sabs | | | | 1101.1Sabs | v | | 1111.1Sabs | FreeBSD 2.2.8 | | 1121.1Sabs | | | 1131.1Sabs | | OpenBSD 2.4 1141.1SabsFreeBSD 3.0 | | 1151.1Sabs | NetBSD 1.3.3 | 1161.1SabsFreeBSD 3.1 | | 1171.1Sabs | | | 1181.1Sabs v v v 1191.1Sabs 1201.1Sabs 1211.1Sabs 1221.1Sabs 1231.1SabsTime 1241.1Sabs---------------- 1251.1Sabs 1261.1SabsTime tolerance +/- 6 month, depend on which book/article you read; if 1271.1Sabsit was the announcement in Usenet or if it was available as tape. 1281.1Sabs 1291.1Sabs[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 1301.1Sabs and John Quarterman. The Design and Implementation of 1311.1Sabs the 4.4BSD Operating System. 1321.1Sabs[DOC] README, COPYRIGHT on tape. 1331.1Sabs[QCU] Salus, Peter H. A quarter century of UNIX. 1341.1Sabs[U25] Peter H. Salus. Unix at 25. 1351.1Sabs[USE] Usenet announcement. 1361.1Sabs[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 1371.1Sabs Changes in the Kernel in 2.9BSD. Second Berkeley Software 1381.1Sabs Distribution UNIX Version 2.9, July, 1983. 1391.1Sabs[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 1401.1Sabs Volume 11, Info 4, April, 1987. 1411.1Sabs[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 1421.1Sabs comp.bugs.4bsd.ucb-fixes, June 15, 1988. 1431.1Sabs[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 1441.1Sabs[FBD] FreeBSD Project, The. 1451.1Sabs[NBD] NetBSD Project, The. 1461.1Sabs[OBD] OpenBSD Project, The. 1471.1Sabs[dmr] Dennis Ritchie, via E-Mail 1481.1Sabs 1491.1Sabs 1501.1SabsMultics 1965 1511.1SabsUnix Summer 1969 1521.1Sabs DEC PDP-7 1531.1SabsFirst Edition 1971-11-03 [QCU] 1541.1Sabs DEC PDP-11/20, Assembler 1551.1SabsSecond Edition 1972-06-12 [QCU] 1561.1Sabs 10 Unix installations 1571.1SabsThird Edition 1973-02-xx [QCU] 1581.1Sabs Pipes, 16 installations 1591.1SabsFourth Edition 1973-11-xx [QCU] 1601.1Sabs rewriting in C effected, 1611.1Sabs above 30 installations 1621.1SabsFifth Edition 1974-06-xx [QCU] 1631.1Sabs above 50 installations 1641.1SabsSixth Edition 1975-05-xx [QCU] 1651.1Sabs port to DEC Vax 1661.1SabsSeventh Edition 1979-01-xx [QCU] 1671.1Sabs first portable Unix 1681.1SabsEight Edition 1985-02-xx [QCU] 1691.1Sabs VAX 11/750, VAX 11/780 [dmr] 1701.1Sabs descended from 4.1c BSD [dmr] 1711.1Sabs descended from 4.1 BSD [44B] 1721.1Sabs scooping-out and replacement of the character-device 1731.1Sabs and networking part by the streams mechanism 1741.1Sabs 1751.1SabsNinth Edition 1986-09-xx [QCU] 1761.1SabsTenth Edition 1989-10-xx [QCU] 1771.1Sabs 1781.1Sabs1BSD late 1977 1791.1Sabs 1978-03-09 [QCU] 1801.1Sabs PDP-11, Pascal, ex(1) 1811.1Sabs 30 free copies of 1BSD sent out 1821.1Sabs 35 tapes sold for 50 USD [QCU] 1831.1Sabs2BSD mid 1978 [QCU] 1841.1Sabs 75 2BSD tapes shipped 1851.1Sabs2.7.9BSD ?? [SMS] 1861.1Sabs2.8BSD 1981-07-xx [KSJ] 1871.1Sabs 1881.1Sabs2.8.1BSD 1982-01-xx [QCU] 1891.1Sabs set of performance improvements 1901.1Sabs2.9BSD 1983-07-xx [KSJ] 1911.1Sabs2.9.1BSD 1983-11-xx 1921.1Sabs2.9BSD-Seismo 1985-08-xx [SMS] 1931.1Sabs2.10BSD 1987-04-xx [KKK] 1941.1Sabs2.10.1BSD 1989-01-xx [SMS] 1951.1Sabs2.11BSD 1992-02-xx [SMS] 1961.1Sabs2.11BSD rev #366 1997-02-xx [SMS] 1971.1Sabs 1981.1Sabs32V 1978-1[01]-xx [QCU] 1991.1Sabs3BSD late 1979 [QCU] 2001.1Sabs virtual memory, page replacement, 2011.1Sabs demand paging 2021.1Sabs4.0BSD 1980-10-xx 2031.1Sabs4.1BSD 1981-06-xx 2041.1Sabs4.1aBSD 1982-04-xx 2051.1Sabs alpha release, 100 sites, networking [44B] 2061.1Sabs4.1bBSD internal release, fast filesystem [44B] 2071.1Sabs4.1cBSD late 1982 2081.1Sabs beta release, IPC [44B] 2091.1Sabs4.2BSD 1983-09-xx [QCU] 2101.1Sabs4.3BSD 1986-06-xx [QCU] 2111.1Sabs 1986-04-xx [KB] 2121.1Sabs4.3BSD Tahoe 1988-06-xx [QCU] 2131.1Sabs4.3BSD NET/1 1988-11-xx [QCU] 2141.1Sabs4.3BSD Reno 1990-06-xx [QCU], [DOC] 2151.1Sabs4.3BSD NET/2 1991-06-xx [QCU] 2161.1Sabs386BSD 0.0 1992-02-xx [DOC] 2171.1Sabs386BSD 0.1 1992-07-xx [DOC] 2181.1Sabs4.4BSD Alpha 1992-07-07 2191.1SabsNetBSD 0.8 1993-04-19 [NBD] 2201.1Sabs4.4BSD 1993-06-01 [USE] 2211.1SabsNetBSD 0.9 1993-08-23 [NBD] 2221.1SabsFreeBSD 1.0 1993-11-xx [FOO] 2231.1Sabs4.4BSD Lite 1994-03-01 [USE] 2241.1SabsFreeBSD 1.1 1994-04-xx [FBD] 2251.1SabsFreeBSD 1.1.5.1 1994-07-xx [FBD] 2261.1Sabs supercedes 1.1.5 3 days after release. 2271.1SabsNetBSD 1.0 1994-11-08 [NBD] 2281.1Sabs386BSD 1.0 1994-11-12 [USE] 2291.1SabsFreeBSD 2.0 1995-01-xx [FBD] 2301.1SabsFreeBSD 2.0.5 1995-06-xx [FBD] 2311.1Sabs4.4BSD Lite Release 2 1995-06-xx [44B] 2321.1Sabs the true final distribution from the CSRG 2331.1SabsNetBSD 1.1 1995-11-26 [NBD] 2341.1SabsFreeBSD 2.1 1995-12-xx [FBD] 2351.1SabsFreeBSD 2.1.5 1996-08-xx [FBD] 2361.1SabsNetBSD 1.2 1996-10-04 [NBD] 2371.1SabsOpenBSD 2.0 1996-10-18 [OBD] 2381.1SabsFreeBSD 2.1.6 1996-12-xx [FBD] 2391.1SabsFreeBSD 2.1.7 1997-02-xx [FBD] 2401.1SabsFreeBSD 2.2.1 1997-04-xx [FBD] 2411.1SabsNetBSD 1.2.1 1997-05-20 [NBD] 2421.1SabsOpenBSD 2.1 1997-06-01 [OBD] 2431.1SabsFreeBSD 2.2.2 1997-06-xx [FBD] 2441.1SabsNetBSD 1.3 1997-09-24 [NBD] 2451.1SabsFreeBSD 2.2.5 1997-11-xx [FBD] 2461.1SabsOpenBSD 2.2 1997-12-01 [OBD] 2471.1SabsFreeBSD 2.2.6 1998-03-xx [FBD] 2481.1SabsOpenBSD 2.3 1998-05-19 [OBD] 2491.1SabsNetBSD 1.3.2 1998-05-24 [NBD] 2501.1SabsFreeBSD 2.2.7 1998-07-xx [FBD] 2511.1SabsFreeBSD 3.0 1998-10-16 [FBD] 2521.1SabsFreeBSD 2.2.8 1998-11-29 [FBD] 2531.1SabsOpenBSD 2.4 1998-12-01 [OBD] 2541.1SabsNetBSD 1.3.3 1998-12-23 [NBD] 2551.1Sabs 2561.1Sabs 2571.1SabsBibliography 2581.1Sabs------------------------ 2591.1Sabs 2601.1SabsLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 2611.1SabsQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating 2621.1SabsSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 2631.1Sabs 2641.1SabsSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 2651.1SabsCompany, Inc., 1994. ISBN 0-201-54777-5 2661.1Sabs 2671.1SabsMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 2681.1SabsQuarterman. The Design and Implementation of the 4.4BSD Operating 2691.1SabsSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 2701.1Sabs 2711.1SabsDoug McIlroy. Research Unix Reader. 2721.1Sabs 2731.1SabsMichael G. Brown. The Role of BSD in the Development of Unix. 2741.1SabsPresented to the Tasmanian Unix Special Interest Group of the 2751.1SabsAustralian Computer Society, Hobart, August 1993. 2761.1SabsURL: http://www.dpac.tas.gov.au/~mgb/papers/bsdrole.html 2771.1Sabs 2781.1SabsPeter H. Salus. Unix at 25. Byte Magazin, October 1994. 2791.1SabsURL: http://www.byte.com/art/9410/sec8/art3.htm 2801.1Sabs 2811.1SabsAndreas Klemm, Lars K�ller. If you're going to San Francisco ... 2821.1SabsDie freien BSD-Varianten von Unix. c't April 1997, page 368ff. 2831.1SabsURL: http://www.heise.de 2841.1Sabs 2851.1SabsBSD Release Announcements collection. 2861.1SabsURL: http://www.de.FreeBSD.ORG/de/ftp/releases/ 2871.1Sabs 2881.1SabsBSD Hypertext Man Pages 2891.1Sabshttp://www.freebsd.org/cgi/man.cgi 2901.1Sabs 2911.1SabsAcknowledgments 2921.1Sabs--------------- 2931.1Sabs 2941.1SabsJosh Gilliam for suggestions, bugfixes, and finding very old 2951.1Sabsoriginal BSD announcements from Usenet or tapes. 2961.1Sabs 2971.1SabsSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 2981.1Sabs 2991.1Sabs-- 3001.1SabsCopyright (c) 1997-1999 Wolfram Schneider <wosch@FreeBSD.ORG> 3011.1SabsURL: ftp://ftp.freebsd.org/pub/FreeBSD/FreeBSD-current/src/share/misc/bsd-family-tree 3021.1Sabs 3031.1Sabs$FreeBSD: Date: 1999/01/15 17:21:39 $ $FreeBSD Revision: 1.11 $ 3041.1Sabs 3051.1Sabs$NetBSD: bsd-family-tree,v 1.1 1999/04/24 00:41:39 abs Exp $ 306