bsd-family-tree revision 70110
1The UNIX system family tree: Research and BSD 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 | | 32 4.1aBSD -----------\ | 33 | \ | 34 4.1bBSD \ | 35 | \ | 36 *------ 4.1cBSD --------------> 2.9BSD 37 / | | 38Eighth Edition | 2.9BSD-Seismo 39 | | | 40 +----<--- 4.2BSD 2.9.1BSD 41 | | | 42 +----<--- 4.3BSD -------------> 2.10BSD 43 | | / | 44Ninth Edition | / 2.10.1BSD 45 | 4.3BSD Tahoe-----+ | 46 | | \ | 47 | | \ | 48 v | 2.11BSD 49Tenth Edition | | 50 | 2.11BSD rev #430 51 4.3BSD NET/1 | 52 | v 53 4.3BSD Reno 54 | 55 *---------- 4.3BSD NET/2 -------------------+-------------* 56 | | | | 57386BSD 0.0 | | BSD/OS ALPHA 58 | | | | 59386BSD 0.1 ------------>+ | BSD/OS 0.3.[13] 60 | \ | 4.4BSD Alpha | 61 | 386BSD 1.0 | | BSD/OS 0.9.[34] 62 | | 4.4BSD | 63 | | / | | 64 | | 4.4BSD-Encumbered | | 65 | NetBSD 0.8 | BSD/OS 1.0 66 | | | | 67FreeBSD 1.0 NetBSD 0.9 | BSD/OS 1.1 68 | | .----- 4.4BSD Lite | 69FreeBSD 1.1 | / / | \ | 70 | | / / | \ | 71FreeBSD 1.1.5 .---|--------' / | \ | 72 | / | / | \ | 73FreeBSD 1.1.5.1 / | / | \ | 74 | / NetBSD 1.0 <-' | \ | 75 | / | | \ | 76FreeBSD 2.0 <--' | | BSD/OS 2.0 77 | \ | | 78FreeBSD 2.0.5 \ | BSD/OS 2.0.1 79 | \ .--- 4.4BSD Lite2 | 80 | \ | | | | | 81 | | FreeBSD 3.0 | | | | 82 | | NetBSD 1.3 | | | 83 | | OpenBSD 2.3 | | 84 | | BSD/OS 3.0 | 85FreeBSD 2.1 | | 86 | | NetBSD 1.1 ------. BSD/OS 2.1 87 | FreeBSD 2.1.5 | \ | 88 | | NetBSD 1.2 \ BSD/OS 3.0 89 | FreeBSD 2.1.6 | \ OpenBSD 2.0 | 90 | | | \ | | 91 | FreeBSD 2.1.6.1 | \ | | 92 | | | \ | | 93 | FreeBSD 2.1.7 | | | | 94 | | | NetBSD 1.2.1 | | 95 | FreeBSD 2.1.7.1 | | | 96 | | | | 97 | | | | 98 *-FreeBSD 2.2 | | | 99 | \ | | | 100 | FreeBSD 2.2.1 | | | 101 | | | | | 102 | FreeBSD 2.2.2 | OpenBSD 2.1 | 103 | | | | | 104 | FreeBSD 2.2.5 | | | 105 | | | OpenBSD 2.2 | 106 | | NetBSD 1.3 | | 107 | FreeBSD 2.2.6 | | | | 108 | | | NetBSD 1.3.1 | BSD/OS 3.1 109 | | | | OpenBSD 2.3 | 110 | | | NetBSD 1.3.2 | | 111 | FreeBSD 2.2.7 | | | | 112 | | | | | BSD/OS 4.0 113 | v | | | | 114 | FreeBSD 2.2.8 | | | | 115 | | | | | 116 | | | OpenBSD 2.4 | 117FreeBSD 3.0 | v | | 118 | | NetBSD 1.3.3 | | 119 *---FreeBSD 3.1 | | | 120 | | | | BSD/OS 4.0.1 121 | FreeBSD 3.2 NetBSD 1.4 OpenBSD 2.5 | 122 | | | | | | 123 | FreeBSD 3.3 | NetBSD 1.4.1 | | 124 | | | | OpenBSD 2.6 | 125 | FreeBSD 3.4 | | | | 126 | | | | | BSD/OS 4.1 127FreeBSD 4.0 | | NetBSD 1.4.2 | | 128 | | | | | v 129 | | | | | 130 | FreeBSD 3.5 | | OpenBSD 2.7 131 | | | | | 132 | FreeBSD 3.5.1 | | | 133 | | | | 134 *---FreeBSD 4.1 | | | 135 | | | | | 136 | FreeBSD 4.1.1 | | | 137 | | | | | 138 | FreeBSD 4.2 | NetBSD 1.4.3 | 139 | | | OpenBSD 2.8 140 | v | | 141 | | | 142 | | | 143FreeBSD 5.0-current NetBSD -current OpenBSD -current 144 | | | 145 v v v 146 147 148Time 149---------------- 150 151Time tolerance +/- 6 months, depending on which book/article you read; if it 152was the announcement in Usenet or if it was available as tape. 153 154[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 155 and John Quarterman. The Design and Implementation of 156 the 4.4BSD Operating System. 157[DOC] README, COPYRIGHT on tape. 158[QCU] Salus, Peter H. A quarter century of UNIX. 159[U25] Peter H. Salus. Unix at 25. 160[USE] Usenet announcement. 161[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 162 Changes in the Kernel in 2.9BSD. Second Berkeley Software 163 Distribution UNIX Version 2.9, July, 1983. 164[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 165 Volume 11, Info 4, April, 1987. 166[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 167 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 168[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 169[FBD] FreeBSD Project, The. 170[NBD] NetBSD Project, The. 171[OBD] OpenBSD Project, The. 172[dmr] Dennis Ritchie, via E-Mail 173[BSDI] Berkeley Software Design, Inc. 174 175Multics 1965 176UNIX Summer 1969 177 DEC PDP-7 178First Edition 1971-11-03 [QCU] 179 DEC PDP-11/20, Assembler 180Second Edition 1972-06-12 [QCU] 181 10 UNIX installations 182Third Edition 1973-02-xx [QCU] 183 Pipes, 16 installations 184Fourth Edition 1973-11-xx [QCU] 185 rewriting in C effected, 186 above 30 installations 187Fifth Edition 1974-06-xx [QCU] 188 above 50 installations 189Sixth Edition 1975-05-xx [QCU] 190 port to DEC Vax 191Seventh Edition 1979-01-xx [QCU] 192 first portable UNIX 193Eighth Edition 1985-02-xx [QCU] 194 VAX 11/750, VAX 11/780 [dmr] 195 descended from 4.1c BSD [dmr] 196 descended from 4.1 BSD [44B] 197 scooping-out and replacement of the character-device 198 and networking part by the streams mechanism 199 200Ninth Edition 1986-09-xx [QCU] 201Tenth Edition 1989-10-xx [QCU] 202 2031BSD late 1977 204 1978-03-09 [QCU] 205 PDP-11, Pascal, ex(1) 206 30 free copies of 1BSD sent out 207 35 tapes sold for 50 USD [QCU] 2082BSD mid 1978 [QCU] 209 75 2BSD tapes shipped 2102.7.9BSD ?? [SMS] 2112.8BSD 1981-07-xx [KSJ] 212 2132.8.1BSD 1982-01-xx [QCU] 214 set of performance improvements 2152.9BSD 1983-07-xx [KSJ] 2162.9.1BSD 1983-11-xx 2172.9BSD-Seismo 1985-08-xx [SMS] 2182.10BSD 1987-04-xx [KKK] 2192.10.1BSD 1989-01-xx [SMS] 2202.11BSD 1992-02-xx [SMS] 2212.11BSD rev #430 1999-12-13 [SMS] 222 22332V 1978-1[01]-xx [QCU] 2243BSD late 1979 [QCU] 225 virtual memory, page replacement, 226 demand paging 2274.0BSD 1980-10-xx 2284.1BSD 1981-06-xx 2294.1aBSD 1982-04-xx 230 alpha release, 100 sites, networking [44B] 2314.1bBSD internal release, fast filesystem [44B] 2324.1cBSD late 1982 233 beta release, IPC [44B] 2344.2BSD 1983-09-xx [QCU] 2354.3BSD 1986-06-xx [QCU] 236 1986-04-xx [KB] 2374.3BSD Tahoe 1988-06-xx [QCU] 2384.3BSD NET/1 1988-11-xx [QCU] 2394.3BSD Reno 1990-06-xx [QCU], [DOC] 2404.3BSD NET/2 1991-06-xx [QCU] 241 242BSD/OS ALPHA 1991-12-xx [BSDI] 243 first code released to people outside BSDI 244386BSD 0.0 1992-02-xx [DOC] 245BSD/OS 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 246BSD/OS 0.3.3 1992-06-xx [BSDI] first CDROM version 247386BSD 0.1 1992-07-28 [DOC] 2484.4BSD Alpha 1992-07-07 249BSD/OS 0.9.3 1992-10-xx [BSDI] 250 first external gamma; G customers 251BSD/OS 0.9.4 1992-12-xx [BSDI] 252 would have been 1.0 except for request 253 for preliminary injunction 254BSD/OS 1.0 1993-03-xx [BSDI] 255 injunction denied; first official release 256NetBSD 0.8 1993-04-20 [NBD] 2574.4BSD 1993-06-01 [USE] 258NetBSD 0.9 1993-08-23 [NBD] 259FreeBSD 1.0 1993-11-xx [FOO] 260BSD/OS 1.1 1994-02-xx [BSDI] 2614.4BSD Lite 1994-03-01 [USE] 262FreeBSD 1.1 1994-04-xx [FBD] 263FreeBSD 1.1.5.1 1994-07-xx [FBD] 264 supersedes 1.1.5 3 days after release. 265NetBSD 1.0 1994-10-26 [NBD] 266386BSD 1.0 1994-11-12 [USE] 267FreeBSD 2.0 1995-01-xx [FBD] 268BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 269FreeBSD 2.0.5 1995-06-10 [FBD] 270BSD/OS 2.0.1 1995-06-xx [BSDI] 2714.4BSD Lite Release 2 1995-06-xx [44B] 272 the true final distribution from the CSRG 273FreeBSD 2.1.0 1995-11-19 [FBD] 274NetBSD 1.1 1995-11-26 [NBD] 275BSD/OS 2.1 1996-01-xx [BSDI] 276FreeBSD 2.1.5 1996-07-14 [FBD] 277NetBSD 1.2 1996-10-04 [NBD] 278OpenBSD 2.0 1996-10-18 [OBD] 279FreeBSD 2.1.6 1996-11-16 [FBD] 280FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 281FreeBSD 2.1.7 1997-02-20 [FBD] 282BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 283FreeBSD 2.2.0 1997-03-16 [FBD] 284FreeBSD 2.2.1 1997-03-25 [FBD] 285FreeBSD 2.2.2 1997-05-16 [FBD] 286NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 287OpenBSD 2.1 1997-06-01 [OBD] 288FreeBSD 2.2.5 1997-10-22 [FBD] 289OpenBSD 2.2 1997-12-01 [OBD] 290NetBSD 1.3 1998-01-04 [NBD] 291FreeBSD 2.2.6 1998-03-25 [FBD] 292NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 293BSD/OS 3.1 1998-03-xx [BSDI] 294OpenBSD 2.3 1998-05-19 [OBD] 295NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 296FreeBSD 2.2.7 1998-07-22 [FBD] 297BSD/OS 4.0 1998-08-xx [BSDI] 298 2-lock MP support, ELF executables 299FreeBSD 3.0 1998-10-16 [FBD] 300 FreeBSD-3.0 is a snapshot from -current, 301 while 3.1 and 3.2 are from 3.x-stable which 302 was branched quite some time after 3.0-release 303FreeBSD 2.2.8 1998-11-29 [FBD] 304OpenBSD 2.4 1998-12-01 [OBD] 305NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 306FreeBSD 3.1 1999-02-15 [FBD] 307BSD/OS 4.0.1 1999-03-xx [BSDI] 308NetBSD 1.4 1999-05-12 [NBD] 309FreeBSD 3.2 1999-05-17 [FBD] 310OpenBSD 2.5 1999-05-19 [OBD] 311NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 312FreeBSD 3.3 1999-09-17 [FBD] 313OpenBSD 2.6 1999-12-01 [OBD] 314FreeBSD 3.4 1999-12-20 [FBD] 315BSD/OS 4.1 1999-12-xx [BSDI] 316FreeBSD 4.0 2000-03-13 [FBD] 317NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 318OpenBSD 2.7 2000-06-15 [OBD] 319FreeBSD 3.5 2000-06-24 [FBD] 320FreeBSD 4.1 2000-07-27 [FBD] 321FreeBSD 3.5.1 2000-07-28 [FBD] 322FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 323FreeBSD 4.2 2000-11-21 [FBD] 324NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 325OpenBSD 2.8 2000-12-01 [OBD] 326 327 328Bibliography 329------------------------ 330 331Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 332Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 333System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 334 335Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 336Company, Inc., 1994. ISBN 0-201-54777-5 337 338McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 339Quarterman. The Design and Implementation of the 4.4BSD Operating 340System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 341 342Doug McIlroy. Research Unix Reader. 343 344Michael G. Brown. The Role of BSD in the Development of Unix. 345Presented to the Tasmanian Unix Special Interest Group of the 346Australian Computer Society, Hobart, August 1993. 347 348Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 349URL: http://www.byte.com/art/9410/sec8/art3.htm 350 351Andreas Klemm, Lars K�ller. If you're going to San Francisco ... 352Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 353 354BSD Release Announcements collection. 355URL: http://www.de.FreeBSD.org/de/ftp/releases/ 356 357BSD Hypertext Man Pages 358http://www.FreeBSD.org/cgi/man.cgi 359 360UNIX history graphing project 361http://minnie.cs.adfa.edu.au/Unix_History/index.html 362 363UNIX history 364http://perso.wanadoo.fr/levenez/unix/ 365 366Acknowledgments 367--------------- 368 369Josh Gilliam for suggestions, bug fixes, and finding very old 370original BSD announcements from Usenet or tapes. 371 372Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 373 374-- 375Copyright (c) 1997-2000 Wolfram Schneider <wosch@FreeBSD.ORG> 376URL: ftp://ftp.freebsd.org/pub/FreeBSD/branches/-current/src/share/misc/bsd-family-tree 377 378$FreeBSD: head/share/misc/bsd-family-tree 70110 2000-12-17 11:46:54Z wosch $ 379 380