bsd-family-tree revision 87200
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 | | v | 151 | | | | 152FreeBSD 5.0-current | NetBSD -current OpenBSD -current 153 | | | | 154 v | v v 155 Mac OS X 156 10.1 157 158Time 159---------------- 160 161Time tolerance +/- 6 months, depending on which book/article you read; if it 162was the announcement in Usenet or if it was available as tape. 163 164[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 165 and John Quarterman. The Design and Implementation of 166 the 4.4BSD Operating System. 167[APL] Apple website [http://www.apple.com/macosx/] 168[DOC] README, COPYRIGHT on tape. 169[QCU] Salus, Peter H. A quarter century of UNIX. 170[U25] Peter H. Salus. Unix at 25. 171[USE] Usenet announcement. 172[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 173 Changes in the Kernel in 2.9BSD. Second Berkeley Software 174 Distribution UNIX Version 2.9, July, 1983. 175[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 176 Volume 11, Info 4, April, 1987. 177[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 178 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 179[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 180[FBD] FreeBSD Project, The. 181[NBD] NetBSD Project, The. 182[OBD] OpenBSD Project, The. 183[dmr] Dennis Ritchie, via E-Mail 184[BSDI] Berkeley Software Design, Inc. 185 186Multics 1965 187UNIX Summer 1969 188 DEC PDP-7 189First Edition 1971-11-03 [QCU] 190 DEC PDP-11/20, Assembler 191Second Edition 1972-06-12 [QCU] 192 10 UNIX installations 193Third Edition 1973-02-xx [QCU] 194 Pipes, 16 installations 195Fourth Edition 1973-11-xx [QCU] 196 rewriting in C effected, 197 above 30 installations 198Fifth Edition 1974-06-xx [QCU] 199 above 50 installations 200Sixth Edition 1975-05-xx [QCU] 201 port to DEC Vax 202Seventh Edition 1979-01-xx [QCU] 203 first portable UNIX 204Eighth Edition 1985-02-xx [QCU] 205 VAX 11/750, VAX 11/780 [dmr] 206 descended from 4.1c BSD [dmr] 207 descended from 4.1 BSD [44B] 208 scooping-out and replacement of the character-device 209 and networking part by the streams mechanism 210 211Ninth Edition 1986-09-xx [QCU] 212Tenth Edition 1989-10-xx [QCU] 213 2141BSD late 1977 215 1978-03-09 [QCU] 216 PDP-11, Pascal, ex(1) 217 30 free copies of 1BSD sent out 218 35 tapes sold for 50 USD [QCU] 2192BSD mid 1978 [QCU] 220 75 2BSD tapes shipped 2212.7.9BSD ?? [SMS] 2222.8BSD 1981-07-xx [KSJ] 223 2242.8.1BSD 1982-01-xx [QCU] 225 set of performance improvements 2262.9BSD 1983-07-xx [KSJ] 2272.9.1BSD 1983-11-xx 2282.9BSD-Seismo 1985-08-xx [SMS] 2292.10BSD 1987-04-xx [KKK] 2302.10.1BSD 1989-01-xx [SMS] 2312.11BSD 1992-02-xx [SMS] 2322.11BSD rev #430 1999-12-13 [SMS] 233 23432V 1978-1[01]-xx [QCU] 2353BSD late 1979 [QCU] 236 virtual memory, page replacement, 237 demand paging 2384.0BSD 1980-10-xx 2394.1BSD 1981-06-xx 2404.1aBSD 1982-04-xx 241 alpha release, 100 sites, networking [44B] 2424.1bBSD internal release, fast filesystem [44B] 2434.1cBSD late 1982 244 beta release, IPC [44B] 2454.2BSD 1983-09-xx [QCU] 2464.3BSD 1986-06-xx [QCU] 247 1986-04-xx [KB] 2484.3BSD Tahoe 1988-06-xx [QCU] 2494.3BSD NET/1 1988-11-xx [QCU] 2504.3BSD Reno 1990-06-xx [QCU], [DOC] 2514.3BSD NET/2 1991-06-xx [QCU] 252 253BSD/386 ALPHA 1991-12-xx [BSDI] 254 first code released to people outside BSDI 255386BSD 0.0 1992-02-xx [DOC] 256BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 257BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 258386BSD 0.1 1992-07-28 [DOC] 2594.4BSD Alpha 1992-07-07 260BSD/386 0.9.3 1992-10-xx [BSDI] 261 first external gamma; G customers 262BSD/386 0.9.4 1992-12-xx [BSDI] 263 would have been 1.0 except for request 264 for preliminary injunction 265BSD/386 1.0 1993-03-xx [BSDI] 266 injunction denied; first official release 267NetBSD 0.8 1993-04-20 [NBD] 2684.4BSD 1993-06-01 [USE] 269NetBSD 0.9 1993-08-23 [NBD] 270FreeBSD 1.0 1993-11-01 [FBD] 271BSD/386 1.1 1994-02-xx [BSDI] 2724.4BSD Lite 1994-03-01 [USE] 273FreeBSD 1.1 1994-04-xx [FBD] 274FreeBSD 1.1.5.1 1994-07-xx [FBD] 275 supersedes 1.1.5 3 days after release. 276NetBSD 1.0 1994-10-26 [NBD] 277386BSD 1.0 1994-11-12 [USE] 278FreeBSD 2.0 1995-01-xx [FBD] 279BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 280FreeBSD 2.0.5 1995-06-10 [FBD] 281BSD/OS 2.0.1 1995-06-xx [BSDI] 2824.4BSD Lite Release 2 1995-06-xx [44B] 283 the true final distribution from the CSRG 284FreeBSD 2.1.0 1995-11-19 [FBD] 285NetBSD 1.1 1995-11-26 [NBD] 286BSD/OS 2.1 1996-01-xx [BSDI] 287FreeBSD 2.1.5 1996-07-14 [FBD] 288NetBSD 1.2 1996-10-04 [NBD] 289OpenBSD 2.0 1996-10-18 [OBD] 290FreeBSD 2.1.6 1996-11-16 [FBD] 291FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 292Rhapsody 1997-xx-xx 293FreeBSD 2.1.7 1997-02-20 [FBD] 294BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 295FreeBSD 2.2.0 1997-03-16 [FBD] 296FreeBSD 2.2.1 1997-03-25 [FBD] 297FreeBSD 2.2.2 1997-05-16 [FBD] 298NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 299OpenBSD 2.1 1997-06-01 [OBD] 300FreeBSD 2.2.5 1997-10-22 [FBD] 301OpenBSD 2.2 1997-12-01 [OBD] 302NetBSD 1.3 1998-01-04 [NBD] 303FreeBSD 2.2.6 1998-03-25 [FBD] 304NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 305BSD/OS 3.1 1998-03-xx [BSDI] 306OpenBSD 2.3 1998-05-19 [OBD] 307NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 308FreeBSD 2.2.7 1998-07-22 [FBD] 309BSD/OS 4.0 1998-08-xx [BSDI] 310 2-lock MP support, ELF executables 311FreeBSD 3.0 1998-10-16 [FBD] 312 FreeBSD-3.0 is a snapshot from -current, 313 while 3.1 and 3.2 are from 3.x-stable which 314 was branched quite some time after 3.0-release 315FreeBSD 2.2.8 1998-11-29 [FBD] 316OpenBSD 2.4 1998-12-01 [OBD] 317NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 318FreeBSD 3.1 1999-02-15 [FBD] 319BSD/OS 4.0.1 1999-03-xx [BSDI] 320NetBSD 1.4 1999-05-12 [NBD] 321FreeBSD 3.2 1999-05-17 [FBD] 322OpenBSD 2.5 1999-05-19 [OBD] 323NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 324FreeBSD 3.3 1999-09-17 [FBD] 325OpenBSD 2.6 1999-12-01 [OBD] 326FreeBSD 3.4 1999-12-20 [FBD] 327BSD/OS 4.1 1999-12-xx [BSDI] 328FreeBSD 4.0 2000-03-13 [FBD] 329NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 330OpenBSD 2.7 2000-06-15 [OBD] 331FreeBSD 3.5 2000-06-24 [FBD] 332FreeBSD 4.1 2000-07-27 [FBD] 333FreeBSD 3.5.1 2000-07-28 [FBD] 334FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 335FreeBSD 4.2 2000-11-21 [FBD] 336NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 337BSD/OS 4.2 2000-11-29 [BSDI] 338OpenBSD 2.8 2000-12-01 [OBD] 339NetBSD 1.5 2000-12-06 [NBD] 340Mac OS X 10.0 2001-03-24 [APL] 341FreeBSD 4.3 2001-04-20 [FBD] 342OpenBSD 2.9 2001-06-01 [OBD] 343NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 344NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 345FreeBSD 4.4 2001-09-18 [FBD] 346Mac OS X 10.1 2001-09-xx [APL] 347 348 349Bibliography 350------------------------ 351 352Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 353Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 354System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 355 356Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 357Company, Inc., 1994. ISBN 0-201-54777-5 358 359McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 360Quarterman. The Design and Implementation of the 4.4BSD Operating 361System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 362 363Doug McIlroy. Research Unix Reader. 364 365Michael G. Brown. The Role of BSD in the Development of Unix. 366Presented to the Tasmanian Unix Special Interest Group of the 367Australian Computer Society, Hobart, August 1993. 368 369Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 370URL: http://www.byte.com/art/9410/sec8/art3.htm (unreachable) 371 372Andreas Klemm, Lars K�ller. If you're going to San Francisco ... 373Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 374 375BSD Release Announcements collection. 376URL: http://www.de.FreeBSD.org/de/ftp/releases/ 377 378BSD Hypertext Man Pages 379URL: http://www.FreeBSD.org/cgi/man.cgi 380 381UNIX history graphing project 382URL: http://minnie.tuhs.org/Unix_History/index.html 383 384UNIX history 385URL: http://perso.wanadoo.fr/levenez/unix/ 386 387James Howard: The BSD Family Tree 388URL: http://www.daemonnews.org/200104/bsd_family.html 389("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 390 391 392Acknowledgments 393--------------- 394 395Josh Gilliam for suggestions, bug fixes, and finding very old 396original BSD announcements from Usenet or tapes. 397 398Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 399 400-- 401Copyright (c) 1997-2001 Wolfram Schneider <wosch@FreeBSD.ORG> 402URL: ftp://ftp.freebsd.org/pub/FreeBSD/branches/-current/src/share/misc/bsd-family-tree 403 404$FreeBSD: head/share/misc/bsd-family-tree 87200 2001-12-02 11:16:30Z wosch $ 405