bsd-family-tree revision 104797
1262197SrwatsonThe UNIX system family tree: Research and BSD 2262197Srwatson--------------------------------------------- 3262197Srwatson 4262197SrwatsonFirst Edition (V1) 5262197Srwatson | 6262197SrwatsonSecond Edition (V2) 7262197Srwatson | 8262197SrwatsonThird Edition (V3) 9262197Srwatson | 10262197SrwatsonFourth Edition (V4) 11262197Srwatson | 12262197SrwatsonFifth Edition (V5) 13262197Srwatson | 14262197SrwatsonSixth Edition (V6) -----* 15262197Srwatson \ | 16262197Srwatson \ | 17262197Srwatson \ | 18262197SrwatsonSeventh Edition (V7) | 19262197Srwatson \ | 20262197Srwatson \ 1BSD 21262197Srwatson 32V | 22262197Srwatson \ 2BSD---------------* 23262197Srwatson \ / | 24262197Srwatson \ / | 25262197Srwatson \/ | 26262197Srwatson 3BSD | 27262197Srwatson | | 28262197Srwatson 4.0BSD 2.7.9BSD 29262197Srwatson | | 30262197Srwatson 4.1BSD --------------> 2.8BSD 31262197Srwatson | | 32262197Srwatson 4.1aBSD -----------\ | 33262197Srwatson | \ | 34262197Srwatson 4.1bBSD \ | 35262197Srwatson | \ | 36262197Srwatson *------ 4.1cBSD --------------> 2.9BSD 37262197Srwatson / | | 38262197SrwatsonEighth Edition | 2.9BSD-Seismo 39262197Srwatson | | | 40262197Srwatson +----<--- 4.2BSD 2.9.1BSD 41262197Srwatson | | | 42262197Srwatson +----<--- 4.3BSD -------------> 2.10BSD 43262197Srwatson | | / | 44262197SrwatsonNinth Edition | / 2.10.1BSD 45262197Srwatson | 4.3BSD Tahoe-----+ | 46262197Srwatson | | \ | 47262197Srwatson | | \ | 48262197Srwatson v | 2.11BSD 49262197SrwatsonTenth Edition | | 50262197Srwatson | 2.11BSD rev #430 51262197Srwatson 4.3BSD NET/1 | 52262197Srwatson | v 53262197Srwatson 4.3BSD Reno 54262197Srwatson | 55262197Srwatson *---------- 4.3BSD NET/2 -------------------+-------------* 56262197Srwatson | | | | 57262197Srwatson386BSD 0.0 | | BSD/386 ALPHA 58262197Srwatson | | | | 59262197Srwatson386BSD 0.1 ------------>+ | BSD/386 0.3.[13] 60262197Srwatson | \ | 4.4BSD Alpha | 61262197Srwatson | 386BSD 1.0 | | BSD/386 0.9.[34] 62262197Srwatson | | 4.4BSD | 63262197Srwatson | | / | | 64262197Srwatson | | 4.4BSD-Encumbered | | 65262197Srwatson | NetBSD 0.8 | BSD/386 1.0 66262197Srwatson | | | | 67262197SrwatsonFreeBSD 1.0 NetBSD 0.9 | BSD/386 1.1 68262197Srwatson | | .----- 4.4BSD Lite | 69262197SrwatsonFreeBSD 1.1 | / / | \ | 70262197Srwatson | | / / | \ | 71262197SrwatsonFreeBSD 1.1.5 .---|--------' / | \ | 72262197Srwatson | / | / | \ | 73262197SrwatsonFreeBSD 1.1.5.1 / | / | \ | 74262197Srwatson | / NetBSD 1.0 <-' | \ | 75262197Srwatson | / | | \ | 76262197SrwatsonFreeBSD 2.0 <--' | | BSD/OS 2.0 77262197Srwatson | \ | | 78262197SrwatsonFreeBSD 2.0.5 \ | BSD/OS 2.0.1 79262197Srwatson | .-----\------------- 4.4BSD Lite2 | 80262197Srwatson | | \ | | | | | 81262197Srwatson | | .-----|------Rhapsody | | | | 82262197Srwatson | | | | NetBSD 1.3 | | | 83262197Srwatson | | | | OpenBSD 2.3 | | 84262197Srwatson | | | | BSD/OS 3.0 | 85262197SrwatsonFreeBSD 2.1 | | | | 86262197Srwatson | | | | NetBSD 1.1 ------. BSD/OS 2.1 87262197Srwatson | FreeBSD 2.1.5 | | | \ | 88262197Srwatson | | | | NetBSD 1.2 \ BSD/OS 3.0 89262197Srwatson | FreeBSD 2.1.6 | | | \ OpenBSD 2.0 | 90262197Srwatson | | | | | \ | | 91262197Srwatson | FreeBSD 2.1.6.1 | | | \ | | 92262197Srwatson | | | | | \ | | 93262197Srwatson | FreeBSD 2.1.7 | | | | | | 94262197Srwatson | | | | | NetBSD 1.2.1 | | 95262197Srwatson | FreeBSD 2.1.7.1 | | | | | 96262197Srwatson | | | | | | 97262197Srwatson | | | | | | 98262197Srwatson *-FreeBSD 2.2 | | | | | 99262197Srwatson | \ | | | | | 100262197Srwatson | FreeBSD 2.2.1 | | | | | 101262197Srwatson | | | | | | | 102262197Srwatson | FreeBSD 2.2.2 | | | OpenBSD 2.1 | 103262197Srwatson | | | | | | | 104262197Srwatson | FreeBSD 2.2.5 | | | | | 105262197Srwatson | | | | | OpenBSD 2.2 | 106262197Srwatson | | | | NetBSD 1.3 | | 107262197Srwatson | FreeBSD 2.2.6 | | | | | | 108262197Srwatson | | | | | NetBSD 1.3.1 | BSD/OS 3.1 109262197Srwatson | | | | | | OpenBSD 2.3 | 110262197Srwatson | | | | | NetBSD 1.3.2 | | 111262197Srwatson | FreeBSD 2.2.7 | | | | | | 112262197Srwatson | | | | | | | BSD/OS 4.0 113262197Srwatson | v | | | | | | 114262197Srwatson | FreeBSD 2.2.8 | | | | | | 115262197Srwatson | | | | | OpenBSD 2.4 | 116262197SrwatsonFreeBSD 3.0 <--------* | | v | | 117262197Srwatson | | | NetBSD 1.3.3 | | 118262197Srwatson *---FreeBSD 3.1 | | | | 119262197Srwatson | | | | | BSD/OS 4.0.1 120262197Srwatson | FreeBSD 3.2----* | NetBSD 1.4 OpenBSD 2.5 | 121262197Srwatson | | | | | | | | | 122262197Srwatson | | | | | | | | | 123262197Srwatson | | | | | | | | | 124262197Srwatson | FreeBSD 3.3 | | | | NetBSD 1.4.1 | | 125262197Srwatson | | | | | | | OpenBSD 2.6 | 126262197Srwatson | FreeBSD 3.4 | | | | | | | 127262197Srwatson | | | | | | | | BSD/OS 4.1 128262197SrwatsonFreeBSD 4.0 | | | | | NetBSD 1.4.2 | | 129262197Srwatson | | | | | | | | | 130262197Srwatson | | | | | | | | | 131262197Srwatson | FreeBSD 3.5 | | | | | OpenBSD 2.7 | 132262197Srwatson | | | | | | | | | 133262197Srwatson | FreeBSD 3.5.1 | | | | | | | 134262197Srwatson | | | | | | | | 135262197Srwatson *---FreeBSD 4.1 | | | | | | | 136262197Srwatson | | | | (?) | | | | 137262197Srwatson | FreeBSD 4.1.1 | | / | | | | 138262197Srwatson | | | | / | | | | 139262197Srwatson | FreeBSD 4.2 Darwin/ | NetBSD 1.4.3 | | 140262197Srwatson | | Mac OS X | | OpenBSD 2.8 BSD/OS 4.2 141262197Srwatson | | | | v | | 142262197Srwatson | | | | | | 143262197Srwatson | | 10.0 NetBSD 1.5 | | 144262197Srwatson | FreeBSD 4.3 | | | | | 145262197Srwatson | | | | | OpenBSD 2.9 | 146262197Srwatson | | | | NetBSD 1.5.1 | | 147262197Srwatson | | | | | | | 148262197Srwatson | FreeBSD 4.4-. | | NetBSD 1.5.2 | | 149262197Srwatson | | | Mac OS X | | | | 150262197Srwatson | | | 10.1 | | OpenBSD 3.0 | 151262197Srwatson | FreeBSD 4.5 | | | | | | 152262197Srwatson | | \ | | | | BSD/OS 4.3 153262197Srwatson | FreeBSD 4.6 \ | | | OpenBSD 3.1 | 154262197Srwatson | | \ | | NetBSD 1.5.3 | v 155262197Srwatson | | Mac OS X | | | 156262197Srwatson | FreeBSD 4.6.2 10.2 | v | 157 | | | | | 158 | | | NetBSD 1.6 | 159 | FreeBSD 4.7 | | | 160 | | | | | 161 | v | | | 162 | | | | 163FreeBSD 5.0-current | NetBSD -current OpenBSD -current 164 | | | | 165 v v v v 166 167Time 168---------------- 169 170Time tolerance +/- 6 months, depending on which book/article you read; if it 171was the announcement in Usenet or if it was available as tape. 172 173[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 174 and John Quarterman. The Design and Implementation of 175 the 4.4BSD Operating System. 176[APL] Apple website [http://www.apple.com/macosx/] 177[BSDI] Berkeley Software Design, Inc. 178[DOC] README, COPYRIGHT on tape. 179[FBD] FreeBSD Project, The. 180[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 181 Volume 11, Info 4, April, 1987. 182[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 183 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 184[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 185 Changes in the Kernel in 2.9BSD. Second Berkeley Software 186 Distribution UNIX Version 2.9, July, 1983. 187[NBD] NetBSD Project, The. 188[OBD] OpenBSD Project, The. 189[QCU] Salus, Peter H. A quarter century of UNIX. 190[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 191[USE] Usenet announcement. 192[WRS] Wind River Systems, Inc. 193[dmr] Dennis Ritchie, via E-Mail 194 195Multics 1965 196UNIX Summer 1969 197 DEC PDP-7 198First Edition 1971-11-03 [QCU] 199 DEC PDP-11/20, Assembler 200Second Edition 1972-06-12 [QCU] 201 10 UNIX installations 202Third Edition 1973-02-xx [QCU] 203 Pipes, 16 installations 204Fourth Edition 1973-11-xx [QCU] 205 rewriting in C effected, 206 above 30 installations 207Fifth Edition 1974-06-xx [QCU] 208 above 50 installations 209Sixth Edition 1975-05-xx [QCU] 210 port to DEC Vax 211Seventh Edition 1979-01-xx [QCU] 212 first portable UNIX 213Eighth Edition 1985-02-xx [QCU] 214 VAX 11/750, VAX 11/780 [dmr] 215 descended from 4.1c BSD [dmr] 216 descended from 4.1 BSD [44B] 217 scooping-out and replacement of the character-device 218 and networking part by the streams mechanism 219 220Ninth Edition 1986-09-xx [QCU] 221Tenth Edition 1989-10-xx [QCU] 222 2231BSD late 1977 224 1978-03-09 [QCU] 225 PDP-11, Pascal, ex(1) 226 30 free copies of 1BSD sent out 227 35 tapes sold for 50 USD [QCU] 2282BSD mid 1978 [QCU] 229 75 2BSD tapes shipped 2302.7.9BSD ?? [SMS] 2312.8BSD 1981-07-xx [KSJ] 232 2332.8.1BSD 1982-01-xx [QCU] 234 set of performance improvements 2352.9BSD 1983-07-xx [KSJ] 2362.9.1BSD 1983-11-xx 2372.9BSD-Seismo 1985-08-xx [SMS] 2382.10BSD 1987-04-xx [KKK] 2392.10.1BSD 1989-01-xx [SMS] 2402.11BSD 1992-02-xx [SMS] 2412.11BSD rev #430 1999-12-13 [SMS] 242 24332V 1978-1[01]-xx [QCU] 2443BSD late 1979 [QCU] 245 virtual memory, page replacement, 246 demand paging 2474.0BSD 1980-10-xx 2484.1BSD 1981-07-08 [DOC] 2494.1aBSD 1982-04-xx 250 alpha release, 100 sites, networking [44B] 2514.1bBSD internal release, fast filesystem [44B] 2524.1cBSD late 1982 253 beta release, IPC [44B] 2544.2BSD 1983-09-xx [QCU] 255 1983-08-03 [DOC] 2564.3BSD 1986-06-xx [QCU] 257 1986-04-05 [KB], [DOC] 2584.3BSD Tahoe 1988-06-15 [QCU], [DOC] 2594.3BSD NET/1 1988-11-xx [QCU] 260 1989-01-01 [DOC] 2614.3BSD Reno 1990-06-29 [QCU], [DOC] 2624.3BSD NET/2 1991-06-28 [QCU], [DOC] 263 264BSD/386 ALPHA 1991-12-xx [BSDI] 265 first code released to people outside BSDI 266386BSD 0.0 1992-02-xx [DOC] 267BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 268BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 269386BSD 0.1 1992-07-28 [DOC] 2704.4BSD Alpha 1992-07-07 271BSD/386 0.9.3 1992-10-xx [BSDI] 272 first external gamma; G customers 273BSD/386 0.9.4 1992-12-xx [BSDI] 274 would have been 1.0 except for request 275 for preliminary injunction 276BSD/386 1.0 1993-03-xx [BSDI] 277 injunction denied; first official release 278NetBSD 0.8 1993-04-20 [NBD] 2794.4BSD 1993-06-01 [USE] 280NetBSD 0.9 1993-08-23 [NBD] 281FreeBSD 1.0 1993-11-01 [FBD] 282BSD/386 1.1 1994-02-xx [BSDI] 2834.4BSD Lite 1994-03-01 [USE] 284FreeBSD 1.1 1994-04-xx [FBD] 285FreeBSD 1.1.5.1 1994-07-xx [FBD] 286 supersedes 1.1.5 3 days after release. 287NetBSD 1.0 1994-10-26 [NBD] 288386BSD 1.0 1994-11-12 [USE] 289FreeBSD 2.0 1995-01-xx [FBD] 290BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 291FreeBSD 2.0.5 1995-06-10 [FBD] 292BSD/OS 2.0.1 1995-06-xx [BSDI] 2934.4BSD Lite Release 2 1995-06-xx [44B] 294 the true final distribution from the CSRG 295FreeBSD 2.1.0 1995-11-19 [FBD] 296NetBSD 1.1 1995-11-26 [NBD] 297BSD/OS 2.1 1996-01-xx [BSDI] 298FreeBSD 2.1.5 1996-07-14 [FBD] 299NetBSD 1.2 1996-10-04 [NBD] 300OpenBSD 2.0 1996-10-18 [OBD] 301FreeBSD 2.1.6 1996-11-16 [FBD] 302FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 303Rhapsody 1997-xx-xx 304FreeBSD 2.1.7 1997-02-20 [FBD] 305BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 306FreeBSD 2.2.0 1997-03-16 [FBD] 307FreeBSD 2.2.1 1997-03-25 [FBD] 308FreeBSD 2.2.2 1997-05-16 [FBD] 309NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 310OpenBSD 2.1 1997-06-01 [OBD] 311FreeBSD 2.2.5 1997-10-22 [FBD] 312OpenBSD 2.2 1997-12-01 [OBD] 313NetBSD 1.3 1998-01-04 [NBD] 314FreeBSD 2.2.6 1998-03-25 [FBD] 315NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 316BSD/OS 3.1 1998-03-xx [BSDI] 317OpenBSD 2.3 1998-05-19 [OBD] 318NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 319FreeBSD 2.2.7 1998-07-22 [FBD] 320BSD/OS 4.0 1998-08-xx [BSDI] 321 2-lock MP support, ELF executables 322FreeBSD 3.0 1998-10-16 [FBD] 323 FreeBSD-3.0 is a snapshot from -current, 324 while 3.1 and 3.2 are from 3.x-stable which 325 was branched quite some time after 3.0-release 326FreeBSD 2.2.8 1998-11-29 [FBD] 327OpenBSD 2.4 1998-12-01 [OBD] 328NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 329FreeBSD 3.1 1999-02-15 [FBD] 330BSD/OS 4.0.1 1999-03-xx [BSDI] 331NetBSD 1.4 1999-05-12 [NBD] 332FreeBSD 3.2 1999-05-17 [FBD] 333OpenBSD 2.5 1999-05-19 [OBD] 334NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 335FreeBSD 3.3 1999-09-17 [FBD] 336OpenBSD 2.6 1999-12-01 [OBD] 337FreeBSD 3.4 1999-12-20 [FBD] 338BSD/OS 4.1 1999-12-xx [BSDI] 339FreeBSD 4.0 2000-03-13 [FBD] 340NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 341OpenBSD 2.7 2000-06-15 [OBD] 342FreeBSD 3.5 2000-06-24 [FBD] 343FreeBSD 4.1 2000-07-27 [FBD] 344FreeBSD 3.5.1 2000-07-28 [FBD] 345FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 346FreeBSD 4.2 2000-11-21 [FBD] 347NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 348BSD/OS 4.2 2000-11-29 [BSDI] 349OpenBSD 2.8 2000-12-01 [OBD] 350NetBSD 1.5 2000-12-06 [NBD] 351Mac OS X 10.0 2001-03-24 [APL] 352FreeBSD 4.3 2001-04-20 [FBD] 353OpenBSD 2.9 2001-06-01 [OBD] 354NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 355NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 356FreeBSD 4.4 2001-09-18 [FBD] 357Mac OS X 10.1 2001-09-29 [APL] 358OpenBSD 3.0 2001-12-01 [OBD] 359FreeBSD 4.5 2002-01-29 [FBD] 360BSD/OS 4.3 2002-03-14 [WRS] 361OpenBSD 3.1 2002-05-19 [OBD] 362FreeBSD 4.6 2002-06-15 [FBD] 363NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 364FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 365Mac OS X 10.2 2002-08-23 [APL] 366NetBSD 1.6 2002-09-14 [NBD] 367FreeBSD 4.7 2002-10-08 [FBD] 368 369Bibliography 370------------------------ 371 372Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 373Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 374System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 375 376Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 377Company, Inc., 1994. ISBN 0-201-54777-5 378 379McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 380Quarterman. The Design and Implementation of the 4.4BSD Operating 381System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 382 383Doug McIlroy. Research Unix Reader. 384 385Michael G. Brown. The Role of BSD in the Development of Unix. 386Presented to the Tasmanian Unix Special Interest Group of the 387Australian Computer Society, Hobart, August 1993. 388 389Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 390URL: http://www.byte.com/art/9410/sec8/art3.htm (unreachable) 391 392Andreas Klemm, Lars K�ller. If you're going to San Francisco ... 393Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 394 395BSD Release Announcements collection. 396URL: http://www.de.FreeBSD.org/de/ftp/releases/ 397 398BSD Hypertext Man Pages 399URL: http://www.FreeBSD.org/cgi/man.cgi 400 401UNIX history graphing project 402URL: http://minnie.tuhs.org/Unix_History/index.html 403 404UNIX history 405URL: http://www.levenez.com/unix/ 406 407James Howard: The BSD Family Tree 408URL: http://www.daemonnews.org/200104/bsd_family.html 409("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 410 411 412Acknowledgments 413--------------- 414 415Josh Gilliam for suggestions, bug fixes, and finding very old 416original BSD announcements from Usenet or tapes. 417 418Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 419 420-- 421Copyright (c) 1997-2001 Wolfram Schneider <wosch@FreeBSD.ORG> 422URL: ftp://ftp.freebsd.org/pub/FreeBSD/branches/-current/src/share/misc/bsd-family-tree 423 424$FreeBSD: head/share/misc/bsd-family-tree 104797 2002-10-10 16:42:54Z jhb $ 425