bsd-family-tree revision 89981
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 | | | | / | v | | 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 | | | | v 145 | | | | v OpenBSD 2.9 146 | | | | NetBSD 1.5.1 | 147 | | | | | | 148 | FreeBSD 4.4 | | NetBSD 1.5.2 | 149 | | | | | | 150 | | | | v OpenBSD 3.0 151 | FreeBSD 4.5 | | | 152 | | | | | 153 | v | | | 154 | | | | 155FreeBSD 5.0-current | NetBSD -current OpenBSD -current 156 | | | | 157 v | v v 158 Mac OS X 159 10.1 160 161Time 162---------------- 163 164Time tolerance +/- 6 months, depending on which book/article you read; if it 165was the announcement in Usenet or if it was available as tape. 166 167[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 168 and John Quarterman. The Design and Implementation of 169 the 4.4BSD Operating System. 170[APL] Apple website [http://www.apple.com/macosx/] 171[DOC] README, COPYRIGHT on tape. 172[QCU] Salus, Peter H. A quarter century of UNIX. 173[U25] Peter H. Salus. Unix at 25. 174[USE] Usenet announcement. 175[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 176 Changes in the Kernel in 2.9BSD. Second Berkeley Software 177 Distribution UNIX Version 2.9, July, 1983. 178[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 179 Volume 11, Info 4, April, 1987. 180[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 181 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 182[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 183[FBD] FreeBSD Project, The. 184[NBD] NetBSD Project, The. 185[OBD] OpenBSD Project, The. 186[dmr] Dennis Ritchie, via E-Mail 187[BSDI] Berkeley Software Design, Inc. 188 189Multics 1965 190UNIX Summer 1969 191 DEC PDP-7 192First Edition 1971-11-03 [QCU] 193 DEC PDP-11/20, Assembler 194Second Edition 1972-06-12 [QCU] 195 10 UNIX installations 196Third Edition 1973-02-xx [QCU] 197 Pipes, 16 installations 198Fourth Edition 1973-11-xx [QCU] 199 rewriting in C effected, 200 above 30 installations 201Fifth Edition 1974-06-xx [QCU] 202 above 50 installations 203Sixth Edition 1975-05-xx [QCU] 204 port to DEC Vax 205Seventh Edition 1979-01-xx [QCU] 206 first portable UNIX 207Eighth Edition 1985-02-xx [QCU] 208 VAX 11/750, VAX 11/780 [dmr] 209 descended from 4.1c BSD [dmr] 210 descended from 4.1 BSD [44B] 211 scooping-out and replacement of the character-device 212 and networking part by the streams mechanism 213 214Ninth Edition 1986-09-xx [QCU] 215Tenth Edition 1989-10-xx [QCU] 216 2171BSD late 1977 218 1978-03-09 [QCU] 219 PDP-11, Pascal, ex(1) 220 30 free copies of 1BSD sent out 221 35 tapes sold for 50 USD [QCU] 2222BSD mid 1978 [QCU] 223 75 2BSD tapes shipped 2242.7.9BSD ?? [SMS] 2252.8BSD 1981-07-xx [KSJ] 226 2272.8.1BSD 1982-01-xx [QCU] 228 set of performance improvements 2292.9BSD 1983-07-xx [KSJ] 2302.9.1BSD 1983-11-xx 2312.9BSD-Seismo 1985-08-xx [SMS] 2322.10BSD 1987-04-xx [KKK] 2332.10.1BSD 1989-01-xx [SMS] 2342.11BSD 1992-02-xx [SMS] 2352.11BSD rev #430 1999-12-13 [SMS] 236 23732V 1978-1[01]-xx [QCU] 2383BSD late 1979 [QCU] 239 virtual memory, page replacement, 240 demand paging 2414.0BSD 1980-10-xx 2424.1BSD 1981-07-08 [DOC] 2434.1aBSD 1982-04-xx 244 alpha release, 100 sites, networking [44B] 2454.1bBSD internal release, fast filesystem [44B] 2464.1cBSD late 1982 247 beta release, IPC [44B] 2484.2BSD 1983-09-xx [QCU] 249 1983-08-03 [DOC] 2504.3BSD 1986-06-xx [QCU] 251 1986-04-05 [KB], [DOC] 2524.3BSD Tahoe 1988-06-15 [QCU], [DOC] 2534.3BSD NET/1 1988-11-xx [QCU] 254 1989-01-01 [DOC] 2554.3BSD Reno 1990-06-29 [QCU], [DOC] 2564.3BSD NET/2 1991-06-28 [QCU], [DOC] 257 258BSD/386 ALPHA 1991-12-xx [BSDI] 259 first code released to people outside BSDI 260386BSD 0.0 1992-02-xx [DOC] 261BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 262BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 263386BSD 0.1 1992-07-28 [DOC] 2644.4BSD Alpha 1992-07-07 265BSD/386 0.9.3 1992-10-xx [BSDI] 266 first external gamma; G customers 267BSD/386 0.9.4 1992-12-xx [BSDI] 268 would have been 1.0 except for request 269 for preliminary injunction 270BSD/386 1.0 1993-03-xx [BSDI] 271 injunction denied; first official release 272NetBSD 0.8 1993-04-20 [NBD] 2734.4BSD 1993-06-01 [USE] 274NetBSD 0.9 1993-08-23 [NBD] 275FreeBSD 1.0 1993-11-01 [FBD] 276BSD/386 1.1 1994-02-xx [BSDI] 2774.4BSD Lite 1994-03-01 [USE] 278FreeBSD 1.1 1994-04-xx [FBD] 279FreeBSD 1.1.5.1 1994-07-xx [FBD] 280 supersedes 1.1.5 3 days after release. 281NetBSD 1.0 1994-10-26 [NBD] 282386BSD 1.0 1994-11-12 [USE] 283FreeBSD 2.0 1995-01-xx [FBD] 284BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 285FreeBSD 2.0.5 1995-06-10 [FBD] 286BSD/OS 2.0.1 1995-06-xx [BSDI] 2874.4BSD Lite Release 2 1995-06-xx [44B] 288 the true final distribution from the CSRG 289FreeBSD 2.1.0 1995-11-19 [FBD] 290NetBSD 1.1 1995-11-26 [NBD] 291BSD/OS 2.1 1996-01-xx [BSDI] 292FreeBSD 2.1.5 1996-07-14 [FBD] 293NetBSD 1.2 1996-10-04 [NBD] 294OpenBSD 2.0 1996-10-18 [OBD] 295FreeBSD 2.1.6 1996-11-16 [FBD] 296FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 297Rhapsody 1997-xx-xx 298FreeBSD 2.1.7 1997-02-20 [FBD] 299BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 300FreeBSD 2.2.0 1997-03-16 [FBD] 301FreeBSD 2.2.1 1997-03-25 [FBD] 302FreeBSD 2.2.2 1997-05-16 [FBD] 303NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 304OpenBSD 2.1 1997-06-01 [OBD] 305FreeBSD 2.2.5 1997-10-22 [FBD] 306OpenBSD 2.2 1997-12-01 [OBD] 307NetBSD 1.3 1998-01-04 [NBD] 308FreeBSD 2.2.6 1998-03-25 [FBD] 309NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 310BSD/OS 3.1 1998-03-xx [BSDI] 311OpenBSD 2.3 1998-05-19 [OBD] 312NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 313FreeBSD 2.2.7 1998-07-22 [FBD] 314BSD/OS 4.0 1998-08-xx [BSDI] 315 2-lock MP support, ELF executables 316FreeBSD 3.0 1998-10-16 [FBD] 317 FreeBSD-3.0 is a snapshot from -current, 318 while 3.1 and 3.2 are from 3.x-stable which 319 was branched quite some time after 3.0-release 320FreeBSD 2.2.8 1998-11-29 [FBD] 321OpenBSD 2.4 1998-12-01 [OBD] 322NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 323FreeBSD 3.1 1999-02-15 [FBD] 324BSD/OS 4.0.1 1999-03-xx [BSDI] 325NetBSD 1.4 1999-05-12 [NBD] 326FreeBSD 3.2 1999-05-17 [FBD] 327OpenBSD 2.5 1999-05-19 [OBD] 328NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 329FreeBSD 3.3 1999-09-17 [FBD] 330OpenBSD 2.6 1999-12-01 [OBD] 331FreeBSD 3.4 1999-12-20 [FBD] 332BSD/OS 4.1 1999-12-xx [BSDI] 333FreeBSD 4.0 2000-03-13 [FBD] 334NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 335OpenBSD 2.7 2000-06-15 [OBD] 336FreeBSD 3.5 2000-06-24 [FBD] 337FreeBSD 4.1 2000-07-27 [FBD] 338FreeBSD 3.5.1 2000-07-28 [FBD] 339FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 340FreeBSD 4.2 2000-11-21 [FBD] 341NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 342BSD/OS 4.2 2000-11-29 [BSDI] 343OpenBSD 2.8 2000-12-01 [OBD] 344NetBSD 1.5 2000-12-06 [NBD] 345Mac OS X 10.0 2001-03-24 [APL] 346FreeBSD 4.3 2001-04-20 [FBD] 347OpenBSD 2.9 2001-06-01 [OBD] 348NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 349NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 350FreeBSD 4.4 2001-09-18 [FBD] 351Mac OS X 10.1 2001-09-xx [APL] 352OpenBSD 3.0 2001-12-01 [OBD] 353FreeBSD 4.5 2002-01-20 [FBD] 354 355 356Bibliography 357------------------------ 358 359Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 360Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 361System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 362 363Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 364Company, Inc., 1994. ISBN 0-201-54777-5 365 366McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 367Quarterman. The Design and Implementation of the 4.4BSD Operating 368System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 369 370Doug McIlroy. Research Unix Reader. 371 372Michael G. Brown. The Role of BSD in the Development of Unix. 373Presented to the Tasmanian Unix Special Interest Group of the 374Australian Computer Society, Hobart, August 1993. 375 376Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 377URL: http://www.byte.com/art/9410/sec8/art3.htm (unreachable) 378 379Andreas Klemm, Lars K�ller. If you're going to San Francisco ... 380Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 381 382BSD Release Announcements collection. 383URL: http://www.de.FreeBSD.org/de/ftp/releases/ 384 385BSD Hypertext Man Pages 386URL: http://www.FreeBSD.org/cgi/man.cgi 387 388UNIX history graphing project 389URL: http://minnie.tuhs.org/Unix_History/index.html 390 391UNIX history 392URL: http://perso.wanadoo.fr/levenez/unix/ 393 394James Howard: The BSD Family Tree 395URL: http://www.daemonnews.org/200104/bsd_family.html 396("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 397 398 399Acknowledgments 400--------------- 401 402Josh Gilliam for suggestions, bug fixes, and finding very old 403original BSD announcements from Usenet or tapes. 404 405Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 406 407-- 408Copyright (c) 1997-2001 Wolfram Schneider <wosch@FreeBSD.ORG> 409URL: ftp://ftp.freebsd.org/pub/FreeBSD/branches/-current/src/share/misc/bsd-family-tree 410 411$FreeBSD: head/share/misc/bsd-family-tree 89981 2002-01-30 13:23:16Z joe $ 412