1The Unix system family tree / BSD history chart 2----------------------------------------------- 3 4First Edition (V1) 5 | 6Second Edition (V2) 7 | 8Third Edition (V3) 9 | 10Fourth Edition (V4) 11 | 12Fifth Edition (V5) 13 | 14Sixth Edition (V6) -----* 15 | | 16 | | 17 | | 18Seventh Edition (V7) | 19 | \ | 20 | \ 1BSD 21 | \ | 22 | \ 2BSD---------------* 23Eight Edition \ / | 24 | \ / | 25 | \/ | 26 | 3BSD | 27 | | | 28 | 4.0BSD | 29Ninth Edition | | 30 | 4.1BSD --------------> 2.8BSD 31 | | | 32 | 4.1aBSD ---------------\ | 33 | | \ | 34 | 4.1cBSD --------------> 2.9BSD 35 | | | 36 | 4.2BSD 2.9.1BSD 37 | | | 38 | 4.3BSD -------------> 2.10BSD 39 | | / | 40 | | / 2.10.1BSD 41 | 4.3BSD Tahoe-----+ | 42 | | \ | 43 | | \ | 44 | | 2.11BSD 45Tenth Edition | 46 | 47 4.3BSD NET/1 48 | 49 4.3BSD Reno 50 | 51 *---------- 4.3BSD NET/2 -------------------+-------------* 52 | | | | 53386BSD 0.0 | | | 54 | | | | 55386BSD 0.1 ------------>+ | BSDI 1.0 56 | \ | 4.4-Alpha BSD | 57 | 386BSD 1.0 | | | 58 | | 4.4BSD | 59FreeBSD 1.0 NetBSD 0.8 | | 60 | | ------ 4.4BSD Lite1 -> BSDI 2.0 61FreeBSD 1.1 NetBSD 0.9 / | | 62 | | / 4.4BSD Lite2 -> BSDI 2.1 63FreeBSD 1.1.5 | / | | 64 | | / / | 65FreeBSD 1.1.5.1 | / / BSDI 3.0 66 | | / / | 67 | | / / v 68FreeBSD 2.0 <---------------+ / 69 | | / / 70FreeBSD 2.0.5 NetBSD 1.0 / 71 | | / 72 | | / 73FreeBSD 2.1 <---------+-*----+--------* 74 | | | | | 75 | FreeBSD 2.1.5 | \ | 76 | | | | | 77 | FreeBSD 2.1.6 | NetBSD 1.1 ------* 78 | | | | | 79 | FreeBSD 2.1.6.1 | | OpenBSD 80 | | | NetBSD 1.2 | 81 | FreeBSD 2.1.7 | | OpenBSD 2.0 82 | | | NetBSD 1.2.1 | 83 | FreeBSD 2.1.7.1 | | v 84 | | v 85 | | 86 *-FreeBSD 2.2 | 87 | | | 88 | FreeBSD 2.2.1 | 89 | | 90 | | 91 | | 92 | | 93 | | 94FreeBSD 3.0 <---------* 95 | 96 v 97 98 99 100 101Time 102---------------- 103 104Time tolerance +/- 6 month, depend on which book/article 105you read. 106 107Multics 1965 108Unix Summer 1969, DEC PDP-7 109First Edition 1971/11/03, DEC PDP-11/20, Assembler 110Second Edition 1972/06/12, 10 Unix installations 111Third Edition 1973/02 Pipes, 16 installations 112Fourth Edition 1973/11 rewriting in C effected, 113 above 30 installations 114Fifth Edition 1974/06 above 50 installations 115Sixth Edition 1975/05 port to DEC Vax 116Seventh Edition 1979/01 first portable Unix 117Eight Edition 1985/02 118Ninth Edition 1986/09 119Tenth Edition 1989/10 120 1211BSD late 1977, PDP-11, 30 free copies of 1BSD sent out 1222BSD mid 1978 75 2BSD tapes shipped 1232.8BSD 1242.9BSD 1252.9.1BSD 1983/11 1262.10BSD 1272.10.1BSD 1282.11BSD 129 1303BSD late 1979, virtual memory, page replacement, 131 demand paging 1324.0BSD 1980/10 1334.1BSD 1981/06 1344.1aBSD 1982/04 1354.1cBSD late 1982 1364.2BSD 1983/09 1374.3BSD 1986/06 1384.3BSD Tahoe 1988/06 1394.3BSD NET/1 1988/11 1404.3BSD Reno 1990/06 1414.3BSD NET/2 1991/06 142386BSD 0.0 1992/02 143386BSD 0.1 1444.4-ALPHA BSD 1992/06 1454.4BSD 1993/06 1464.4BSD Lite1 1994/06 147 148 149Bibliography 150------------------------ 151 152Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 153Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 154System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 155 156Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 157Company, Inc., 1994. ISBN 0-201-54777-5 158 159McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 160Quarterman. The Design and Implementation of the 4.4BSD Operating 161System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 162 163Michael G. Brown. The Role of BSD in the Development of Unix. 164Presented to the Tasmanian Unix Special Interest Group of the 165Australian Computer Society, Hobart, August 1993. 166URL: http://www.dpac.tas.gov.au/~mgb/papers/bsdrole.html 167 168Peter H. Salus. Unix at 25. Byte Magazin, October 1994. 169URL: http://www.byte.com/art/9410/sec8/art3.htm 170 171-- 172Copyright (c) 1997 Wolfram Schneider <wosch@FreeBSD.ORG> 173URL: http://www.de.freebsd.org/de/ftp/unix-stammbaum 174$Date: 1997/03/30 23:33:44 $ $Revision: 1.12 $ 175