bsd-family-tree revision 106406
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 | | .-----|------Rhapsody | | | | 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 | | | | | OpenBSD 2.4 | 116FreeBSD 3.0 <--------* | | v | | 117 | | | NetBSD 1.3.3 | | 118 *---FreeBSD 3.1 | | | | 119 | | | | | BSD/OS 4.0.1 120 | FreeBSD 3.2----* | NetBSD 1.4 OpenBSD 2.5 | 121 | | | | | | | | | 122 | | | | | | | | | 123 | | | | | | | | | 124 | FreeBSD 3.3 | | | | NetBSD 1.4.1 | | 125 | | | | | | | OpenBSD 2.6 | 126 | FreeBSD 3.4 | | | | | | | 127 | | | | | | | | BSD/OS 4.1 128FreeBSD 4.0 | | | | | NetBSD 1.4.2 | | 129 | | | | | | | | | 130 | | | | | | | | | 131 | FreeBSD 3.5 | | | | | OpenBSD 2.7 | 132 | | | | | | | | | 133 | FreeBSD 3.5.1 | | | | | | | 134 | | | | | | | | 135 *---FreeBSD 4.1 | | | | | | | 136 | | | | (?) | | | | 137 | FreeBSD 4.1.1 | | / | | | | 138 | | | | / | | | | 139 | FreeBSD 4.2 Darwin/ | NetBSD 1.4.3 | | 140 | | Mac OS X | | OpenBSD 2.8 BSD/OS 4.2 141 | | | | v | | 142 | | | | | | 143 | | 10.0 NetBSD 1.5 | | 144 | FreeBSD 4.3 | | | | | 145 | | | | | OpenBSD 2.9 | 146 | | | | NetBSD 1.5.1 | | 147 | | | | | | | 148 | FreeBSD 4.4-. | | NetBSD 1.5.2 | | 149 | | | Mac OS X | | | | 150 | | | 10.1 | | OpenBSD 3.0 | 151 | FreeBSD 4.5 | | | | | | 152 | | \ | | | | BSD/OS 4.3 153 | FreeBSD 4.6 \ | | | OpenBSD 3.1 | 154 | | \ | | NetBSD 1.5.3 | v 155 | | Mac OS X | | | 156 | FreeBSD 4.6.2 10.2 | v | 157 | | | | | 158 | | | NetBSD 1.6 | 159 | FreeBSD 4.7 | | | 160 | | | | OpenBSD 3.2 161 | 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] 368OpenBSD 3.2 2002-11-01 [OBD] 369 370Bibliography 371------------------------ 372 373Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 374Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 375System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 376 377Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 378Company, Inc., 1994. ISBN 0-201-54777-5 379 380McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 381Quarterman. The Design and Implementation of the 4.4BSD Operating 382System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 383 384Doug McIlroy. Research Unix Reader. 385 386Michael G. Brown. The Role of BSD in the Development of Unix. 387Presented to the Tasmanian Unix Special Interest Group of the 388Australian Computer Society, Hobart, August 1993. 389 390Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 391URL: http://www.byte.com/art/9410/sec8/art3.htm (unreachable) 392 393Andreas Klemm, Lars K�ller. If you're going to San Francisco ... 394Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 395 396BSD Release Announcements collection. 397URL: http://www.de.FreeBSD.org/de/ftp/releases/ 398 399BSD Hypertext Man Pages 400URL: http://www.FreeBSD.org/cgi/man.cgi 401 402UNIX history graphing project 403URL: http://minnie.tuhs.org/Unix_History/index.html 404 405UNIX history 406URL: http://www.levenez.com/unix/ 407 408James Howard: The BSD Family Tree 409URL: http://www.daemonnews.org/200104/bsd_family.html 410("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 411 412 413Acknowledgments 414--------------- 415 416Josh Gilliam for suggestions, bug fixes, and finding very old 417original BSD announcements from Usenet or tapes. 418 419Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 420 421-- 422Copyright (c) 1997-2001 Wolfram Schneider <wosch@FreeBSD.ORG> 423URL: ftp://ftp.freebsd.org/pub/FreeBSD/branches/-current/src/share/misc/bsd-family-tree 424 425$FreeBSD: head/share/misc/bsd-family-tree 106406 2002-11-04 09:19:24Z maxim $ 426