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 32V | 22 \ 2BSD---------------* 23 \ / | 24 \ / | 25 \/ | 26 3BSD | 27 | | 28 4.0BSD 2.7.9BSD 29 | | 30 *------ 4.1BSD --------------> 2.8BSD 31 / | | 32Eighth Edition | 2.8.1BSD 33 | | | 34 | 4.1aBSD -----------\ | 35 | | \ | 36 | 4.1bBSD \ | 37 | | \ | 38 | 4.1cBSD --------------> 2.9BSD 39 | | | 40 | | 2.9BSD-Seismo 41 | | | 42 +----<--- 4.2BSD 2.9.1BSD 43 | | | 44 +----<--- 4.3BSD -------------> 2.10BSD 45 | | / | 46Ninth Edition | / 2.10.1BSD 47 | 4.3BSD Tahoe-----+ | 48 | | \ | 49 | | \ | 50 v | 2.11BSD 51Tenth Edition | | 52 | 2.11BSD rev #366 53 4.3BSD NET/1 | 54 | v 55 4.3BSD Reno 56 | 57 *---------- 4.3BSD NET/2 -------------------+-------------* 58 | | | | 59386BSD 0.0 | | | 60 | | | | 61386BSD 0.1 ------------>+ | BSDI 1.0 62 | \ | 4.4BSD Alpha | 63 | 386BSD 1.0 | | | 64 | | 4.4BSD | 65 | | / | | 66 | | 4.4BSD-Encumbered | | 67 | NetBSD 0.8 | | 68 | | | | 69FreeBSD 1.0 NetBSD 0.9 | | 70 | | .----- 4.4BSD Lite --> BSDI 2.0 71FreeBSD 1.1 | / / | | 72 | | / / | BSDI 2.0.1 73FreeBSD 1.1.5 .---|--------' / | | 74 | / | / 4.4BSD Lite2 -> BSDI 2.1 75FreeBSD 1.1.5.1 / | / / | | \ | 76 | / NetBSD 1.0 <-' / | | \ | 77 | / | / | | `-BSDI 3.0 78FreeBSD 2.0 <--' | FreeBSD 3.0 | | | 79 | \ NetBSD 1.3 | v 80FreeBSD 2.0.5 \ OpenBSD 2.3 81 | \ 82 | \ 83FreeBSD 2.1 | 84 | | NetBSD 1.1 ---------. 85 | FreeBSD 2.1.5 | \ 86 | | NetBSD 1.2 \ 87 | FreeBSD 2.1.6 | | OpenBSD 2.0 88 | | | | | 89 | FreeBSD 2.1.6.1 | | | 90 | | | | | 91 | FreeBSD 2.1.7 | | | 92 | | | NetBSD 1.2.1 | 93 | FreeBSD 2.1.7.1 | | 94 | | | 95 | | | 96 *-FreeBSD 2.2 | | 97 | | | | 98 | FreeBSD 2.2.1 | | 99 | | | | 100 | FreeBSD 2.2.2 | OpenBSD 2.1 101 | | | | 102 | FreeBSD 2.2.5 | | 103 | | | OpenBSD 2.2 104 | | NetBSD 1.3 | 105 | FreeBSD 2.2.6 | | | 106 | | | NetBSD 1.3.1 | 107 | | | | OpenBSD 2.3 108 | | | NetBSD 1.3.2 | 109 | FreeBSD 2.2.7 | | | 110 | | | | | 111 | FreeBSD 2.2.8 | | | 112 | | | | 113FreeBSD 3.0 | | OpenBSD 2.4 114 | | NetBSD 1.3.3 | 115 *---FreeBSD 3.1 | | 116 | | NetBSD 1.4 | 117 | FreeBSD 3.2 | OpenBSD 2.5 118 | | | 119FreeBSD 4.0-CURRENT NetBSD -current OpenBSD -current 120 | | | 121 v v v 122 123 124Time 125---------------- 126 127Time tolerance +/- 6 month, depend on which book/article you read; if 128it was the announcement in Usenet or if it was available as tape. 129 130[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 131 and John Quarterman. The Design and Implementation of 132 the 4.4BSD Operating System. 133[DOC] README, COPYRIGHT on tape. 134[QCU] Salus, Peter H. A quarter century of UNIX. 135[U25] Peter H. Salus. Unix at 25. 136[USE] Usenet announcement. 137[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 138 Changes in the Kernel in 2.9BSD. Second Berkeley Software 139 Distribution UNIX Version 2.9, July, 1983. 140[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 141 Volume 11, Info 4, April, 1987. 142[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 143 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 144[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 145[FBD] FreeBSD Project, The. 146[NBD] NetBSD Project, The. 147[OBD] OpenBSD Project, The. 148[dmr] Dennis Ritchie, via E-Mail 149 150 151Multics 1965 152Unix Summer 1969 153 DEC PDP-7 154First Edition 1971-11-03 [QCU] 155 DEC PDP-11/20, Assembler 156Second Edition 1972-06-12 [QCU] 157 10 Unix installations 158Third Edition 1973-02-xx [QCU] 159 Pipes, 16 installations 160Fourth Edition 1973-11-xx [QCU] 161 rewriting in C effected, 162 above 30 installations 163Fifth Edition 1974-06-xx [QCU] 164 above 50 installations 165Sixth Edition 1975-05-xx [QCU] 166 port to DEC Vax 167Seventh Edition 1979-01-xx [QCU] 168 first portable Unix 169Eight Edition 1985-02-xx [QCU] 170 VAX 11/750, VAX 11/780 [dmr] 171 descended from 4.1c BSD [dmr] 172 descended from 4.1 BSD [44B] 173 scooping-out and replacement of the character-device 174 and networking part by the streams mechanism 175 176Ninth Edition 1986-09-xx [QCU] 177Tenth Edition 1989-10-xx [QCU] 178 1791BSD late 1977 180 1978-03-09 [QCU] 181 PDP-11, Pascal, ex(1) 182 30 free copies of 1BSD sent out 183 35 tapes sold for 50 USD [QCU] 1842BSD mid 1978 [QCU] 185 75 2BSD tapes shipped 1862.7.9BSD ?? [SMS] 1872.8BSD 1981-07-xx [KSJ] 188 1892.8.1BSD 1982-01-xx [QCU] 190 set of performance improvements 1912.9BSD 1983-07-xx [KSJ] 1922.9.1BSD 1983-11-xx 1932.9BSD-Seismo 1985-08-xx [SMS] 1942.10BSD 1987-04-xx [KKK] 1952.10.1BSD 1989-01-xx [SMS] 1962.11BSD 1992-02-xx [SMS] 1972.11BSD rev #366 1997-02-xx [SMS] 198 19932V 1978-1[01]-xx [QCU] 2003BSD late 1979 [QCU] 201 virtual memory, page replacement, 202 demand paging 2034.0BSD 1980-10-xx 2044.1BSD 1981-06-xx 2054.1aBSD 1982-04-xx 206 alpha release, 100 sites, networking [44B] 2074.1bBSD internal release, fast filesystem [44B] 2084.1cBSD late 1982 209 beta release, IPC [44B] 2104.2BSD 1983-09-xx [QCU] 2114.3BSD 1986-06-xx [QCU] 212 1986-04-xx [KB] 2134.3BSD Tahoe 1988-06-xx [QCU] 2144.3BSD NET/1 1988-11-xx [QCU] 2154.3BSD Reno 1990-06-xx [QCU], [DOC] 2164.3BSD NET/2 1991-06-xx [QCU] 217386BSD 0.0 1992-02-xx [DOC] 218386BSD 0.1 1992-07-xx [DOC] 2194.4BSD Alpha 1992-07-07 220NetBSD 0.8 1993-04-19 [NBD] 2214.4BSD 1993-06-01 [USE] 222NetBSD 0.9 1993-08-23 [NBD] 223FreeBSD 1.0 1993-11-xx [FOO] 2244.4BSD Lite 1994-03-01 [USE] 225FreeBSD 1.1 1994-04-xx [FBD] 226FreeBSD 1.1.5.1 1994-07-xx [FBD] 227 supercedes 1.1.5 3 days after release. 228NetBSD 1.0 1994-11-08 [NBD] 229386BSD 1.0 1994-11-12 [USE] 230FreeBSD 2.0 1995-01-xx [FBD] 231FreeBSD 2.0.5 1995-06-xx [FBD] 2324.4BSD Lite Release 2 1995-06-xx [44B] 233 the true final distribution from the CSRG 234NetBSD 1.1 1995-11-26 [NBD] 235FreeBSD 2.1 1995-12-xx [FBD] 236FreeBSD 2.1.5 1996-08-xx [FBD] 237NetBSD 1.2 1996-10-04 [NBD] 238OpenBSD 2.0 1996-10-18 [OBD] 239FreeBSD 2.1.6 1996-12-xx [FBD] 240FreeBSD 2.1.7 1997-02-xx [FBD] 241FreeBSD 2.2.1 1997-04-xx [FBD] 242NetBSD 1.2.1 1997-05-20 [NBD] 243OpenBSD 2.1 1997-06-01 [OBD] 244FreeBSD 2.2.2 1997-06-xx [FBD] 245FreeBSD 2.2.5 1997-11-xx [FBD] 246OpenBSD 2.2 1997-12-01 [OBD] 247NetBSD 1.3 1998-01-04 [NBD] 248FreeBSD 2.2.6 1998-03-xx [FBD] 249NetBSD 1.3.1 1998-04-xx [NBD] 250OpenBSD 2.3 1998-05-19 [OBD] 251NetBSD 1.3.2 1998-05-24 [NBD] 252FreeBSD 2.2.7 1998-07-xx [FBD] 253FreeBSD 3.0 1998-10-16 [FBD] 254FreeBSD 2.2.8 1998-11-29 [FBD] 255OpenBSD 2.4 1998-12-01 [OBD] 256NetBSD 1.3.3 1998-12-23 [NBD] 257FreeBSD 3.1 1999-02-15 [FBD] 258NetBSD 1.4 1999-05-12 [NBD] 259OpenBSD 2.5 1999-05-19 [OBD] 260 261 262Bibliography 263------------------------ 264 265Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 266Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 267System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 268 269Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 270Company, Inc., 1994. ISBN 0-201-54777-5 271 272McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 273Quarterman. The Design and Implementation of the 4.4BSD Operating 274System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 275 276Doug McIlroy. Research Unix Reader. 277 278Michael G. Brown. The Role of BSD in the Development of Unix. 279Presented to the Tasmanian Unix Special Interest Group of the 280Australian Computer Society, Hobart, August 1993. 281URL: http://www.dpac.tas.gov.au/~mgb/papers/bsdrole.html 282 283Peter H. Salus. Unix at 25. Byte Magazin, October 1994. 284URL: http://www.byte.com/art/9410/sec8/art3.htm 285 286Andreas Klemm, Lars K�ller. If you're going to San Francisco ... 287Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 288URL: http://www.heise.de 289 290BSD Release Announcements collection. 291URL: http://www.de.FreeBSD.ORG/de/ftp/releases/ 292 293BSD Hypertext Man Pages 294http://www.freebsd.org/cgi/man.cgi 295 296Acknowledgments 297--------------- 298 299Josh Gilliam for suggestions, bugfixes, and finding very old 300original BSD announcements from Usenet or tapes. 301 302Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 303 304-- 305Copyright (c) 1997-1999 Wolfram Schneider <wosch@FreeBSD.ORG> 306URL: ftp://ftp.freebsd.org/pub/FreeBSD/FreeBSD-current/src/share/misc/bsd-family-tree 307 308$FreeBSD: Date: 1999/01/15 17:21:39 $ $FreeBSD Revision: 1.11 $ 309 310$NetBSD: bsd-family-tree,v 1.5 1999/07/07 01:54:46 abs Exp $ 311