bsd-family-tree revision 84087
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 | | 10.0 NetBSD 1.5 | | 142 | FreeBSD 4.3 | | | | v 143 | | | | v OpenBSD 2.9 144 | | | | NetBSD 1.5.1 | 145 | | | | | | 146 | FreeBSD 4.4 | | NetBSD 1.5.2 | 147 | | | | | 148 | v | | | 149 | | | | 150FreeBSD 5.0-current | NetBSD -current OpenBSD -current 151 | | | | 152 v | v v 153 Mac OS X 154 10.1 155 156Time 157---------------- 158 159Time tolerance +/- 6 months, depending on which book/article you read; if it 160was the announcement in Usenet or if it was available as tape. 161 162[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 163 and John Quarterman. The Design and Implementation of 164 the 4.4BSD Operating System. 165[APL] Apple website [http://www.apple.com/macosx/] 166[DOC] README, COPYRIGHT on tape. 167[QCU] Salus, Peter H. A quarter century of UNIX. 168[U25] Peter H. Salus. Unix at 25. 169[USE] Usenet announcement. 170[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 171 Changes in the Kernel in 2.9BSD. Second Berkeley Software 172 Distribution UNIX Version 2.9, July, 1983. 173[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 174 Volume 11, Info 4, April, 1987. 175[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 176 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 177[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 178[FBD] FreeBSD Project, The. 179[NBD] NetBSD Project, The. 180[OBD] OpenBSD Project, The. 181[dmr] Dennis Ritchie, via E-Mail 182[BSDI] Berkeley Software Design, Inc. 183 184Multics 1965 185UNIX Summer 1969 186 DEC PDP-7 187First Edition 1971-11-03 [QCU] 188 DEC PDP-11/20, Assembler 189Second Edition 1972-06-12 [QCU] 190 10 UNIX installations 191Third Edition 1973-02-xx [QCU] 192 Pipes, 16 installations 193Fourth Edition 1973-11-xx [QCU] 194 rewriting in C effected, 195 above 30 installations 196Fifth Edition 1974-06-xx [QCU] 197 above 50 installations 198Sixth Edition 1975-05-xx [QCU] 199 port to DEC Vax 200Seventh Edition 1979-01-xx [QCU] 201 first portable UNIX 202Eighth Edition 1985-02-xx [QCU] 203 VAX 11/750, VAX 11/780 [dmr] 204 descended from 4.1c BSD [dmr] 205 descended from 4.1 BSD [44B] 206 scooping-out and replacement of the character-device 207 and networking part by the streams mechanism 208 209Ninth Edition 1986-09-xx [QCU] 210Tenth Edition 1989-10-xx [QCU] 211 2121BSD late 1977 213 1978-03-09 [QCU] 214 PDP-11, Pascal, ex(1) 215 30 free copies of 1BSD sent out 216 35 tapes sold for 50 USD [QCU] 2172BSD mid 1978 [QCU] 218 75 2BSD tapes shipped 2192.7.9BSD ?? [SMS] 2202.8BSD 1981-07-xx [KSJ] 221 2222.8.1BSD 1982-01-xx [QCU] 223 set of performance improvements 2242.9BSD 1983-07-xx [KSJ] 2252.9.1BSD 1983-11-xx 2262.9BSD-Seismo 1985-08-xx [SMS] 2272.10BSD 1987-04-xx [KKK] 2282.10.1BSD 1989-01-xx [SMS] 2292.11BSD 1992-02-xx [SMS] 2302.11BSD rev #430 1999-12-13 [SMS] 231 23232V 1978-1[01]-xx [QCU] 2333BSD late 1979 [QCU] 234 virtual memory, page replacement, 235 demand paging 2364.0BSD 1980-10-xx 2374.1BSD 1981-06-xx 2384.1aBSD 1982-04-xx 239 alpha release, 100 sites, networking [44B] 2404.1bBSD internal release, fast filesystem [44B] 2414.1cBSD late 1982 242 beta release, IPC [44B] 2434.2BSD 1983-09-xx [QCU] 2444.3BSD 1986-06-xx [QCU] 245 1986-04-xx [KB] 2464.3BSD Tahoe 1988-06-xx [QCU] 2474.3BSD NET/1 1988-11-xx [QCU] 2484.3BSD Reno 1990-06-xx [QCU], [DOC] 2494.3BSD NET/2 1991-06-xx [QCU] 250 251BSD/386 ALPHA 1991-12-xx [BSDI] 252 first code released to people outside BSDI 253386BSD 0.0 1992-02-xx [DOC] 254BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 255BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 256386BSD 0.1 1992-07-28 [DOC] 2574.4BSD Alpha 1992-07-07 258BSD/386 0.9.3 1992-10-xx [BSDI] 259 first external gamma; G customers 260BSD/386 0.9.4 1992-12-xx [BSDI] 261 would have been 1.0 except for request 262 for preliminary injunction 263BSD/386 1.0 1993-03-xx [BSDI] 264 injunction denied; first official release 265NetBSD 0.8 1993-04-20 [NBD] 2664.4BSD 1993-06-01 [USE] 267NetBSD 0.9 1993-08-23 [NBD] 268FreeBSD 1.0 1993-11-01 [FBD] 269BSD/386 1.1 1994-02-xx [BSDI] 2704.4BSD Lite 1994-03-01 [USE] 271FreeBSD 1.1 1994-04-xx [FBD] 272FreeBSD 1.1.5.1 1994-07-xx [FBD] 273 supersedes 1.1.5 3 days after release. 274NetBSD 1.0 1994-10-26 [NBD] 275386BSD 1.0 1994-11-12 [USE] 276FreeBSD 2.0 1995-01-xx [FBD] 277BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 278FreeBSD 2.0.5 1995-06-10 [FBD] 279BSD/OS 2.0.1 1995-06-xx [BSDI] 2804.4BSD Lite Release 2 1995-06-xx [44B] 281 the true final distribution from the CSRG 282FreeBSD 2.1.0 1995-11-19 [FBD] 283NetBSD 1.1 1995-11-26 [NBD] 284BSD/OS 2.1 1996-01-xx [BSDI] 285FreeBSD 2.1.5 1996-07-14 [FBD] 286NetBSD 1.2 1996-10-04 [NBD] 287OpenBSD 2.0 1996-10-18 [OBD] 288FreeBSD 2.1.6 1996-11-16 [FBD] 289FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 290Rhapsody 1997-xx-xx 291FreeBSD 2.1.7 1997-02-20 [FBD] 292BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 293FreeBSD 2.2.0 1997-03-16 [FBD] 294FreeBSD 2.2.1 1997-03-25 [FBD] 295FreeBSD 2.2.2 1997-05-16 [FBD] 296NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 297OpenBSD 2.1 1997-06-01 [OBD] 298FreeBSD 2.2.5 1997-10-22 [FBD] 299OpenBSD 2.2 1997-12-01 [OBD] 300NetBSD 1.3 1998-01-04 [NBD] 301FreeBSD 2.2.6 1998-03-25 [FBD] 302NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 303BSD/OS 3.1 1998-03-xx [BSDI] 304OpenBSD 2.3 1998-05-19 [OBD] 305NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 306FreeBSD 2.2.7 1998-07-22 [FBD] 307BSD/OS 4.0 1998-08-xx [BSDI] 308 2-lock MP support, ELF executables 309FreeBSD 3.0 1998-10-16 [FBD] 310 FreeBSD-3.0 is a snapshot from -current, 311 while 3.1 and 3.2 are from 3.x-stable which 312 was branched quite some time after 3.0-release 313FreeBSD 2.2.8 1998-11-29 [FBD] 314OpenBSD 2.4 1998-12-01 [OBD] 315NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 316FreeBSD 3.1 1999-02-15 [FBD] 317BSD/OS 4.0.1 1999-03-xx [BSDI] 318NetBSD 1.4 1999-05-12 [NBD] 319FreeBSD 3.2 1999-05-17 [FBD] 320OpenBSD 2.5 1999-05-19 [OBD] 321NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 322FreeBSD 3.3 1999-09-17 [FBD] 323OpenBSD 2.6 1999-12-01 [OBD] 324FreeBSD 3.4 1999-12-20 [FBD] 325BSD/OS 4.1 1999-12-xx [BSDI] 326FreeBSD 4.0 2000-03-13 [FBD] 327NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 328OpenBSD 2.7 2000-06-15 [OBD] 329FreeBSD 3.5 2000-06-24 [FBD] 330FreeBSD 4.1 2000-07-27 [FBD] 331FreeBSD 3.5.1 2000-07-28 [FBD] 332FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 333FreeBSD 4.2 2000-11-21 [FBD] 334NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 335BSD/OS 4.2 2000-11-29 [BSDI] 336OpenBSD 2.8 2000-12-01 [OBD] 337NetBSD 1.5 2000-12-06 [NBD] 338Mac OS X 10.0 2001-03-24 [APL] 339FreeBSD 4.3 2001-04-20 [FBD] 340OpenBSD 2.9 2001-06-01 [OBD] 341NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 342NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 343FreeBSD 4.4 2001-09-18 [FBD] 344Mac OS X 10.1 2001-09-xx [APL] 345 346 347Bibliography 348------------------------ 349 350Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 351Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 352System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 353 354Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 355Company, Inc., 1994. ISBN 0-201-54777-5 356 357McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 358Quarterman. The Design and Implementation of the 4.4BSD Operating 359System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 360 361Doug McIlroy. Research Unix Reader. 362 363Michael G. Brown. The Role of BSD in the Development of Unix. 364Presented to the Tasmanian Unix Special Interest Group of the 365Australian Computer Society, Hobart, August 1993. 366 367Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 368URL: http://www.byte.com/art/9410/sec8/art3.htm (unreachable) 369 370Andreas Klemm, Lars K�ller. If you're going to San Francisco ... 371Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 372 373BSD Release Announcements collection. 374URL: http://www.de.FreeBSD.org/de/ftp/releases/ 375 376BSD Hypertext Man Pages 377URL: http://www.FreeBSD.org/cgi/man.cgi 378 379UNIX history graphing project 380URL: http://minnie.tuhs.org/Unix_History/index.html 381 382UNIX history 383URL: http://perso.wanadoo.fr/levenez/unix/ 384 385James Howard: The BSD Family Tree 386URL: http://www.daemonnews.org/200104/bsd_family.html 387("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 388 389 390Acknowledgments 391--------------- 392 393Josh Gilliam for suggestions, bug fixes, and finding very old 394original BSD announcements from Usenet or tapes. 395 396Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 397 398-- 399Copyright (c) 1997-2001 Wolfram Schneider <wosch@FreeBSD.ORG> 400URL: ftp://ftp.freebsd.org/pub/FreeBSD/branches/-current/src/share/misc/bsd-family-tree 401 402$FreeBSD: head/share/misc/bsd-family-tree 84087 2001-09-28 17:18:10Z wosch $ 403