bsd-family-tree revision 78270
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/386 ALPHA 58 | | | | 59386BSD 0.1 ------------>+ | BSD/386 0.3.[13] 60 | \ | 4.4BSD Alpha | 61 | 386BSD 1.0 | | BSD/386 0.9.[34] 62 | | 4.4BSD | 63 | | / | | 64 | | 4.4BSD-Encumbered | | 65 | NetBSD 0.8 | BSD/386 1.0 66 | | | | 67FreeBSD 1.0 NetBSD 0.9 | BSD/386 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 | | | | | | 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 | | | v | | 138 | FreeBSD 4.2 | NetBSD 1.4.3 | | 139 | | | OpenBSD 2.8 BSD/OS 4.2 140 | | NetBSD 1.5 | | 141 | FreeBSD 4.3 | | | v 142 | | | NetBSD 1.5.1 | 143 | v | | 144 | | | 145FreeBSD 5.0-current NetBSD -current OpenBSD -current 146 | | | 147 v v v 148 149 150Time 151---------------- 152 153Time tolerance +/- 6 months, depending on which book/article you read; if it 154was the announcement in Usenet or if it was available as tape. 155 156[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 157 and John Quarterman. The Design and Implementation of 158 the 4.4BSD Operating System. 159[DOC] README, COPYRIGHT on tape. 160[QCU] Salus, Peter H. A quarter century of UNIX. 161[U25] Peter H. Salus. Unix at 25. 162[USE] Usenet announcement. 163[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 164 Changes in the Kernel in 2.9BSD. Second Berkeley Software 165 Distribution UNIX Version 2.9, July, 1983. 166[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 167 Volume 11, Info 4, April, 1987. 168[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 169 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 170[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 171[FBD] FreeBSD Project, The. 172[NBD] NetBSD Project, The. 173[OBD] OpenBSD Project, The. 174[dmr] Dennis Ritchie, via E-Mail 175[BSDI] Berkeley Software Design, Inc. 176 177Multics 1965 178UNIX Summer 1969 179 DEC PDP-7 180First Edition 1971-11-03 [QCU] 181 DEC PDP-11/20, Assembler 182Second Edition 1972-06-12 [QCU] 183 10 UNIX installations 184Third Edition 1973-02-xx [QCU] 185 Pipes, 16 installations 186Fourth Edition 1973-11-xx [QCU] 187 rewriting in C effected, 188 above 30 installations 189Fifth Edition 1974-06-xx [QCU] 190 above 50 installations 191Sixth Edition 1975-05-xx [QCU] 192 port to DEC Vax 193Seventh Edition 1979-01-xx [QCU] 194 first portable UNIX 195Eighth Edition 1985-02-xx [QCU] 196 VAX 11/750, VAX 11/780 [dmr] 197 descended from 4.1c BSD [dmr] 198 descended from 4.1 BSD [44B] 199 scooping-out and replacement of the character-device 200 and networking part by the streams mechanism 201 202Ninth Edition 1986-09-xx [QCU] 203Tenth Edition 1989-10-xx [QCU] 204 2051BSD late 1977 206 1978-03-09 [QCU] 207 PDP-11, Pascal, ex(1) 208 30 free copies of 1BSD sent out 209 35 tapes sold for 50 USD [QCU] 2102BSD mid 1978 [QCU] 211 75 2BSD tapes shipped 2122.7.9BSD ?? [SMS] 2132.8BSD 1981-07-xx [KSJ] 214 2152.8.1BSD 1982-01-xx [QCU] 216 set of performance improvements 2172.9BSD 1983-07-xx [KSJ] 2182.9.1BSD 1983-11-xx 2192.9BSD-Seismo 1985-08-xx [SMS] 2202.10BSD 1987-04-xx [KKK] 2212.10.1BSD 1989-01-xx [SMS] 2222.11BSD 1992-02-xx [SMS] 2232.11BSD rev #430 1999-12-13 [SMS] 224 22532V 1978-1[01]-xx [QCU] 2263BSD late 1979 [QCU] 227 virtual memory, page replacement, 228 demand paging 2294.0BSD 1980-10-xx 2304.1BSD 1981-06-xx 2314.1aBSD 1982-04-xx 232 alpha release, 100 sites, networking [44B] 2334.1bBSD internal release, fast filesystem [44B] 2344.1cBSD late 1982 235 beta release, IPC [44B] 2364.2BSD 1983-09-xx [QCU] 2374.3BSD 1986-06-xx [QCU] 238 1986-04-xx [KB] 2394.3BSD Tahoe 1988-06-xx [QCU] 2404.3BSD NET/1 1988-11-xx [QCU] 2414.3BSD Reno 1990-06-xx [QCU], [DOC] 2424.3BSD NET/2 1991-06-xx [QCU] 243 244BSD/386 ALPHA 1991-12-xx [BSDI] 245 first code released to people outside BSDI 246386BSD 0.0 1992-02-xx [DOC] 247BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 248BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 249386BSD 0.1 1992-07-28 [DOC] 2504.4BSD Alpha 1992-07-07 251BSD/386 0.9.3 1992-10-xx [BSDI] 252 first external gamma; G customers 253BSD/386 0.9.4 1992-12-xx [BSDI] 254 would have been 1.0 except for request 255 for preliminary injunction 256BSD/386 1.0 1993-03-xx [BSDI] 257 injunction denied; first official release 258NetBSD 0.8 1993-04-20 [NBD] 2594.4BSD 1993-06-01 [USE] 260NetBSD 0.9 1993-08-23 [NBD] 261FreeBSD 1.0 1993-11-01 [FBD] 262BSD/386 1.1 1994-02-xx [BSDI] 2634.4BSD Lite 1994-03-01 [USE] 264FreeBSD 1.1 1994-04-xx [FBD] 265FreeBSD 1.1.5.1 1994-07-xx [FBD] 266 supersedes 1.1.5 3 days after release. 267NetBSD 1.0 1994-10-26 [NBD] 268386BSD 1.0 1994-11-12 [USE] 269FreeBSD 2.0 1995-01-xx [FBD] 270BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 271FreeBSD 2.0.5 1995-06-10 [FBD] 272BSD/OS 2.0.1 1995-06-xx [BSDI] 2734.4BSD Lite Release 2 1995-06-xx [44B] 274 the true final distribution from the CSRG 275FreeBSD 2.1.0 1995-11-19 [FBD] 276NetBSD 1.1 1995-11-26 [NBD] 277BSD/OS 2.1 1996-01-xx [BSDI] 278FreeBSD 2.1.5 1996-07-14 [FBD] 279NetBSD 1.2 1996-10-04 [NBD] 280OpenBSD 2.0 1996-10-18 [OBD] 281FreeBSD 2.1.6 1996-11-16 [FBD] 282FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 283FreeBSD 2.1.7 1997-02-20 [FBD] 284BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 285FreeBSD 2.2.0 1997-03-16 [FBD] 286FreeBSD 2.2.1 1997-03-25 [FBD] 287FreeBSD 2.2.2 1997-05-16 [FBD] 288NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 289OpenBSD 2.1 1997-06-01 [OBD] 290FreeBSD 2.2.5 1997-10-22 [FBD] 291OpenBSD 2.2 1997-12-01 [OBD] 292NetBSD 1.3 1998-01-04 [NBD] 293FreeBSD 2.2.6 1998-03-25 [FBD] 294NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 295BSD/OS 3.1 1998-03-xx [BSDI] 296OpenBSD 2.3 1998-05-19 [OBD] 297NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 298FreeBSD 2.2.7 1998-07-22 [FBD] 299BSD/OS 4.0 1998-08-xx [BSDI] 300 2-lock MP support, ELF executables 301FreeBSD 3.0 1998-10-16 [FBD] 302 FreeBSD-3.0 is a snapshot from -current, 303 while 3.1 and 3.2 are from 3.x-stable which 304 was branched quite some time after 3.0-release 305FreeBSD 2.2.8 1998-11-29 [FBD] 306OpenBSD 2.4 1998-12-01 [OBD] 307NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 308FreeBSD 3.1 1999-02-15 [FBD] 309BSD/OS 4.0.1 1999-03-xx [BSDI] 310NetBSD 1.4 1999-05-12 [NBD] 311FreeBSD 3.2 1999-05-17 [FBD] 312OpenBSD 2.5 1999-05-19 [OBD] 313NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 314FreeBSD 3.3 1999-09-17 [FBD] 315OpenBSD 2.6 1999-12-01 [OBD] 316FreeBSD 3.4 1999-12-20 [FBD] 317BSD/OS 4.1 1999-12-xx [BSDI] 318FreeBSD 4.0 2000-03-13 [FBD] 319NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 320OpenBSD 2.7 2000-06-15 [OBD] 321FreeBSD 3.5 2000-06-24 [FBD] 322FreeBSD 4.1 2000-07-27 [FBD] 323FreeBSD 3.5.1 2000-07-28 [FBD] 324FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 325FreeBSD 4.2 2000-11-21 [FBD] 326NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 327BSD/OS 4.2 2000-11-29 [BSDI] 328OpenBSD 2.8 2000-12-01 [OBD] 329NetBSD 1.5 2000-12-06 [NBD] 330FreeBSD 4.3 2001-04-20 [FBD] 331NetBSD 1.5.1 2001-05-xx [NBD] (patch release) 332 333 334Bibliography 335------------------------ 336 337Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 338Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 339System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 340 341Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 342Company, Inc., 1994. ISBN 0-201-54777-5 343 344McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 345Quarterman. The Design and Implementation of the 4.4BSD Operating 346System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 347 348Doug McIlroy. Research Unix Reader. 349 350Michael G. Brown. The Role of BSD in the Development of Unix. 351Presented to the Tasmanian Unix Special Interest Group of the 352Australian Computer Society, Hobart, August 1993. 353 354Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 355URL: http://www.byte.com/art/9410/sec8/art3.htm 356 357Andreas Klemm, Lars K�ller. If you're going to San Francisco ... 358Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 359 360BSD Release Announcements collection. 361URL: http://www.de.FreeBSD.org/de/ftp/releases/ 362 363BSD Hypertext Man Pages 364http://www.FreeBSD.org/cgi/man.cgi 365 366UNIX history graphing project 367http://minnie.cs.adfa.edu.au/Unix_History/index.html 368 369UNIX history 370http://perso.wanadoo.fr/levenez/unix/ 371 372James Howard: The BSD Family Tree 373http://www.daemonnews.org/200104/bsd_family.html 374("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 375 376 377Acknowledgments 378--------------- 379 380Josh Gilliam for suggestions, bug fixes, and finding very old 381original BSD announcements from Usenet or tapes. 382 383Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 384 385-- 386Copyright (c) 1997-2001 Wolfram Schneider <wosch@FreeBSD.ORG> 387URL: ftp://ftp.freebsd.org/pub/FreeBSD/branches/-current/src/share/misc/bsd-family-tree 388 389$FreeBSD: head/share/misc/bsd-family-tree 78270 2001-06-15 10:20:58Z nik $ 390 391