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 2.79BSD 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 | | | | | | 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 | | 155 | FreeBSD 4.6.2 Mac OS X | | | 156 | | 10.2 | | | 157 | FreeBSD 4.7 | | | | 158 | | | NetBSD 1.6 OpenBSD 3.2 | 159 | FreeBSD 4.8 | | | | | 160 | | | | NetBSD 1.6.1 | | 161 | |--------. | | | OpenBSD 3.3 BSD/OS 5.0 162 | | \ | | | | | 163 | FreeBSD 4.9 | | | | OpenBSD 3.4 BSD/OS 5.1 ISE 164 | | | | | | | 165 | | | | | NetBSD 1.6.2 | 166 | | | | | | | 167 | | | | | | OpenBSD 3.5 168 | | | | | v | 169 | FreeBSD 4.10 | | | | 170 | | | | | | 171 | FreeBSD 4.11 | | | | 172 | | | | | 173 | `-|------|-----------------|---------------------. 174 | | | | \ 175FreeBSD 5.0 | | | | 176 | | | | | 177FreeBSD 5.1 | | | DragonFly 1.0 178 | \ | | | | 179 | ----- Mac OS X | | | 180 | 10.3 | | | 181FreeBSD 5.2 | | | | 182 | | | | | | 183 | FreeBSD 5.2.1 | | | | 184 | | | | | 185 *-------FreeBSD 5.3 | | | | 186 | | | | OpenBSD 3.6 | 187 | | | NetBSD 2.0 | | 188 | | | | | | | DragonFly 1.2.0 189 | | Mac OS X | | NetBSD 2.0.2 | | 190 | | 10.4 | | | | | 191 | FreeBSD 5.4 | | | | | | 192 | | | | | | OpenBSD 3.7 | 193 | | | | | NetBSD 2.0.3 | | 194 | | | | | | | | 195 *--FreeBSD | | | | v OpenBSD 3.8 | 196 | 6.0 | | | | | | 197 | | | | | \ | | 198 | | | | | NetBSD 2.1 | | 199 | | | | | | | 200 | | | | NetBSD 3.0 | | 201 | | | | | | | | DragonFly 1.4.0 202 | | | | | | | OpenBSD 3.9 | 203 | FreeBSD | | | | | | | 204 | 6.1 | | | | | | | 205 | | FreeBSD 5.5 | | | | | | 206 | | | | | NetBSD 3.0.1 | DragonFly 1.6.0 207 | | | | | | | | 208 | | | | | | OpenBSD 4.0 | 209 | | | | | NetBSD 3.0.2 | | 210 | | | | NetBSD 3.1 | | 211 | FreeBSD 6.2 | | | | 212 | | | | | DragonFly 1.8.0 213 | | | | OpenBSD 4.1 | 214 | | | | | DragonFly 1.10.0 215 | | Mac OS X | | | 216 | | 10.5 | | | 217 | | | | OpenBSD 4.2 | 218 | | | NetBSD 4.0 | | 219 | FreeBSD 6.3 | | | | | 220 | \ | | | | | 221 *--FreeBSD | | | | | DragonFly 1.12.0 222 | 7.0 | | | | | | 223 | | | | | | OpenBSD 4.3 | 224 | | | | | NetBSD | DragonFly 2.0.0 225 | | FreeBSD | | 4.0.1 OpenBSD 4.4 | 226 | | 6.4 | | | | 227 | | | | | | 228 | FreeBSD 7.1 | | | | 229 | | | | | DragonFly 2.2.0 230 | FreeBSD 7.2 | NetBSD 5.0 OpenBSD 4.5 | 231 | \ | | | \ | | 232 | | Mac OS X | | \ | | 233 | | 10.6 | | \ | | 234 | | | | | NetBSD | DragonFly 2.4.0 235 | | | | | 5.0.1 OpenBSD 4.6 | 236 | | | | | | | | 237 *--FreeBSD | | | | | | | 238 | 8.0 | | | | | | | 239 | | FreeBSD | | | NetBSD | | 240 | | 7.3 | | | 5.0.2 | DragonFly 2.6.0 241 | | | | | | OpenBSD 4.7 | 242 | FreeBSD | | | | | | 243 | 8.1 | | | | | | 244 | | | | | | | DragonFly 2.8.2 245 | | | | | | OpenBSD 4.8 | 246 | | | | | *--NetBSD | | 247 | FreeBSD FreeBSD | | | 5.1 | | 248 | 8.2 7.4 | | | | | DragonFly 2.10.1 249 | | | | | | OpenBSD 4.9 | 250 | `-----. Mac OS X | | | | | 251 | \ 10.7 | | | | | 252 | | | | | | OpenBSD 5.0 | 253 *--FreeBSD | | | | | | | 254 | 9.0 | | | | NetBSD | DragonFly 3.0.1 255 | | FreeBSD | | | 5.1.2 | | 256 | | 8.3 | | | | | | 257 | | | | | | NetBSD | | 258 | | | | | | 5.1.3 | | 259 | | | | | | OpenBSD 5.1 | 260 | | | Mac OS X | `----. | | 261 | | | 10.8 | \ | | 262 | | | | NetBSD 6.0 | | | 263 | | | | | | | | OpenBSD 5.2 DragonFly 3.2.1 264 | FreeBSD | | | | | NetBSD | | 265 | 9.1 | | | | | 5.2 | | 266 | | | | | | | | | | 267 | | | | | | | NetBSD | | 268 | | | | | | | 5.2.1 | | 269 | | | | | | | | | 270 | | | | | | \ | | 271 | | | | | | NetBSD | | 272 | | | | | | 6.0.1 | | 273 | | | | | | | | | 274 | | | | | | NetBSD | | 275 | | | | | | 6.0.2 | | 276 | | | | | | | OpenBSD 5.3 DragonFly 3.4.1 277 | | | | | | NetBSD | | 278 | | | | | | 6.0.3 | | 279 | | | | | | | | 280 | | | | | |`-NetBSD 6.1 | | 281 | | FreeBSD | | | | | 282 | | 8.4 | | NetBSD 6.1.1 | | 283 | | | | | | | 284 | FreeBSD | | NetBSD 6.1.2 | | 285 | 9.2 Mac OS X | | | 286 | 10.9 | OpenBSD 5.4 | 287 | | | | DragonFly 3.6.0 288 | | | | | 289 | | | | | 290 | | | | | 291 | | | | | 292 | | NetBSD -current OpenBSD -current | 293 | | | | | 294 | v v v v 295 | 296 *--FreeBSD 297 | 10.0 298 | 299 | 300FreeBSD 11 -current 301 v 302 303Time 304---------------- 305 306Time tolerance +/- 6 months, depending on which book/article you read; if it 307was the announcement in Usenet or if it was available as tape. 308 309[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 310 and John Quarterman. The Design and Implementation of 311 the 4.4BSD Operating System. 312[APL] Apple website [http://www.apple.com/macosx/] 313[BSDI] Berkeley Software Design, Inc. 314[DFB] DragonFlyBSD Project, The. 315[DOC] README, COPYRIGHT on tape. 316[FBD] FreeBSD Project, The. 317[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 318 Volume 11, Info 4, April, 1987. 319[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 320 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 321[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 322 Changes in the Kernel in 2.9BSD. Second Berkeley Software 323 Distribution UNIX Version 2.9, July, 1983. 324[NBD] NetBSD Project, The. 325[OBD] OpenBSD Project, The. 326[QCU] Salus, Peter H. A quarter century of UNIX. 327[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 328[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 329[USE] Usenet announcement. 330[WRS] Wind River Systems, Inc. 331[dmr] Dennis Ritchie, via E-Mail 332 333Multics 1965 334UNIX Summer 1969 335 DEC PDP-7 336First Edition 1971-11-03 [QCU] 337 DEC PDP-11/20, Assembler 338Second Edition 1972-06-12 [QCU] 339 10 UNIX installations 340Third Edition 1973-02-xx [QCU] 341 Pipes, 16 installations 342Fourth Edition 1973-11-xx [QCU] 343 rewriting in C effected, 344 above 30 installations 345Fifth Edition 1974-06-xx [QCU] 346 above 50 installations 347Sixth Edition 1975-05-xx [QCU] 348 port to DEC Vax 349Seventh Edition 1979-01-xx [QCU] 350 first portable UNIX 351Eighth Edition 1985-02-xx [QCU] 352 VAX 11/750, VAX 11/780 [dmr] 353 descended from 4.1c BSD [dmr] 354 descended from 4.1 BSD [44B] 355 scooping-out and replacement of the character-device 356 and networking part by the streams mechanism 357 358Ninth Edition 1986-09-xx [QCU] 359Tenth Edition 1989-10-xx [QCU] 360 3611BSD late 1977 362 1978-03-09 [QCU] 363 PDP-11, Pascal, ex(1) 364 30 free copies of 1BSD sent out 365 35 tapes sold for 50 USD [QCU] 3662BSD mid 1978 [QCU] 1979-05-10 [TUHS] 367 75 2BSD tapes shipped 3682.79BSD 1980-04-xx [TUHS] 3692.8BSD 1981-07-xx [KSJ] 370 3712.8.1BSD 1982-01-xx [QCU] 372 set of performance improvements 3732.9BSD 1983-07-xx [KSJ] 3742.9.1BSD 1983-11-xx [TUHS] 3752.9BSD-Seismo 1985-08-xx [SMS] 3762.10BSD 1987-04-xx [KKK] 3772.10.1BSD 1989-01-xx [SMS] 3782.11BSD 1992-02-xx [SMS] 3792.11BSD rev #430 1999-12-13 [SMS] 380 38132V 1978-1[01]-xx [QCU] 3823BSD late 1979 [QCU] March 1980 [TUHS] 383 virtual memory, page replacement, 384 demand paging 3854.0BSD 1980-10-xx 3864.1BSD 1981-07-08 [DOC] 3874.1aBSD 1982-04-xx 388 alpha release, 100 sites, networking [44B] 3894.1bBSD internal release, fast filesystem [44B] 3904.1cBSD late 1982 391 beta release, IPC [44B] 3924.2BSD 1983-09-xx [QCU] 393 1983-08-03 [DOC] 3944.3BSD 1986-06-xx [QCU] 395 1986-04-05 [KB], [DOC] 3964.3BSD Tahoe 1988-06-15 [QCU], [DOC] 3974.3BSD NET/1 1988-11-xx [QCU] 398 1989-01-01 [DOC] 3994.3BSD Reno 1990-06-29 [QCU], [DOC] 4004.3BSD NET/2 1991-06-28 [QCU], [DOC] 401 402BSD/386 ALPHA 1991-12-xx [BSDI] 403 first code released to people outside BSDI 404386BSD 0.0 1992-02-xx [DOC] 405BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 406BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 407386BSD 0.1 1992-07-28 [DOC] 4084.4BSD Alpha 1992-07-07 409BSD/386 0.9.3 1992-10-xx [BSDI] 410 first external gamma; G customers 411BSD/386 0.9.4 1992-12-xx [BSDI] 412 would have been 1.0 except for request 413 for preliminary injunction 414BSD/386 1.0 1993-03-xx [BSDI] 415 injunction denied; first official release 416NetBSD 0.8 1993-04-20 [NBD] 4174.4BSD 1993-06-01 [USE] 418NetBSD 0.9 1993-08-23 [NBD] 419FreeBSD 1.0 1993-11-01 [FBD] 420FreeBSD 1.0.2 1993-11-14 [FBD] 421 supersedes 1.0 13 days after release. 422BSD/386 1.1 1994-02-xx [BSDI] 4234.4BSD Lite 1994-03-01 [USE] 424FreeBSD 1.1 1994-05-07 [FBD] 425FreeBSD 1.1.5 1994-06-30 [FBD] 426FreeBSD 1.1.5.1 1994-07-05 [FBD] 427 supersedes 1.1.5 5 days after release. 428NetBSD 1.0 1994-10-26 [NBD] 429386BSD 1.0 1994-11-12 [USE] 430FreeBSD 2.0 1994-11-23 [FBD] 431BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 432FreeBSD 2.0.5 1995-06-10 [FBD] 433BSD/OS 2.0.1 1995-06-xx [BSDI] 4344.4BSD Lite Release 2 1995-06-xx [44B] 435 the true final distribution from the CSRG 436FreeBSD 2.1.0 1995-11-19 [FBD] 437NetBSD 1.1 1995-11-26 [NBD] 438BSD/OS 2.1 1996-01-xx [BSDI] 439FreeBSD 2.1.5 1996-07-14 [FBD] 440NetBSD 1.2 1996-10-04 [NBD] 441OpenBSD 2.0 1996-10-18 [OBD] 442FreeBSD 2.1.6 1996-11-16 [FBD] 443FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 444Rhapsody 1997-xx-xx 445FreeBSD 2.1.7 1997-02-20 [FBD] 446BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 447FreeBSD 2.2.0 1997-03-16 [FBD] 448FreeBSD 2.2.1 1997-03-25 [FBD] 449FreeBSD 2.2.2 1997-05-16 [FBD] 450NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 451OpenBSD 2.1 1997-06-01 [OBD] 452FreeBSD 2.2.5 1997-10-22 [FBD] 453OpenBSD 2.2 1997-12-01 [OBD] 454NetBSD 1.3 1998-01-04 [NBD] 455FreeBSD 2.2.6 1998-03-25 [FBD] 456NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 457BSD/OS 3.1 1998-03-xx [BSDI] 458OpenBSD 2.3 1998-05-19 [OBD] 459NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 460FreeBSD 2.2.7 1998-07-22 [FBD] 461BSD/OS 4.0 1998-08-xx [BSDI] 462 2-lock MP support, ELF executables 463FreeBSD 3.0 1998-10-16 [FBD] 464 FreeBSD-3.0 is a snapshot from -current, 465 while 3.1 and 3.2 are from 3.x-stable which 466 was branched quite some time after 3.0-release 467FreeBSD 2.2.8 1998-11-29 [FBD] 468OpenBSD 2.4 1998-12-01 [OBD] 469NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 470FreeBSD 3.1 1999-02-15 [FBD] 471BSD/OS 4.0.1 1999-03-xx [BSDI] 472NetBSD 1.4 1999-05-12 [NBD] 473FreeBSD 3.2 1999-05-17 [FBD] 474OpenBSD 2.5 1999-05-19 [OBD] 475NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 476FreeBSD 3.3 1999-09-17 [FBD] 477OpenBSD 2.6 1999-12-01 [OBD] 478FreeBSD 3.4 1999-12-20 [FBD] 479BSD/OS 4.1 1999-12-xx [BSDI] 480FreeBSD 4.0 2000-03-13 [FBD] 481NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 482OpenBSD 2.7 2000-06-15 [OBD] 483FreeBSD 3.5 2000-06-24 [FBD] 484FreeBSD 4.1 2000-07-27 [FBD] 485FreeBSD 3.5.1 2000-07-28 [FBD] 486FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 487FreeBSD 4.2 2000-11-21 [FBD] 488NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 489BSD/OS 4.2 2000-11-29 [BSDI] 490OpenBSD 2.8 2000-12-01 [OBD] 491NetBSD 1.5 2000-12-06 [NBD] 492Mac OS X 10.0 2001-03-24 [APL] 493FreeBSD 4.3 2001-04-20 [FBD] 494OpenBSD 2.9 2001-06-01 [OBD] 495NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 496NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 497FreeBSD 4.4 2001-09-18 [FBD] 498Mac OS X 10.1 2001-09-29 [APL] 499OpenBSD 3.0 2001-12-01 [OBD] 500FreeBSD 4.5 2002-01-29 [FBD] 501BSD/OS 4.3 2002-03-14 [WRS] 502OpenBSD 3.1 2002-05-19 [OBD] 503FreeBSD 4.6 2002-06-15 [FBD] 504NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 505FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 506Mac OS X 10.2 2002-08-23 [APL] 507NetBSD 1.6 2002-09-14 [NBD] 508FreeBSD 4.7 2002-10-08 [FBD] 509OpenBSD 3.2 2002-11-01 [OBD] 510FreeBSD 5.0 2003-01-17 [FBD] 511 FreeBSD 5.0 is a separate branch off of 512 -current, similar to 3.0. 513FreeBSD 4.8 2003-04-03 [FBD] 514NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 515OpenBSD 3.3 2003-05-01 [OBD] 516BSD/OS 5.0 2003-05-?? [WRS] 517FreeBSD 5.1 2003-06-09 [FBD] 518Mac OS X 10.3 2003-10-24 [APL] 519FreeBSD 4.9 2003-10-28 [FBD] 520BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 521OpenBSD 3.4 2003-11-01 [OBD] 522FreeBSD 5.2 2004-01-12 [FBD] 523FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 524NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 525OpenBSD 3.5 2004-04-01 [OBD] 526FreeBSD 4.10 2004-05-27 [FBD] 527DragonFly 1.0 2004-07-12 [DFB] 528OpenBSD 3.6 2004-10-29 [OBD] 529FreeBSD 5.3 2004-11-06 [FBD] 530NetBSD 2.0 2004-12-09 [NBD] 531FreeBSD 4.11 2005-01-25 [FBD] 532DragonFly 1.2.0 2005-04-08 [DFB] 533NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 534Mac OS X 10.4 2005-04-29 [APL] 535FreeBSD 5.4 2005-05-09 [FBD] 536OpenBSD 3.7 2005-05-19 [OBD] 537NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 538OpenBSD 3.8 2005-11-01 [OBD] 539FreeBSD 6.0 2005-11-01 [FBD] 540NetBSD 2.1 2005-11-02 [NBD] 541NetBSD 3.0 2005-12-23 [NBD] 542DragonFly 1.4.0 2006-01-08 [DFB] 543OpenBSD 3.9 2006-05-01 [OBD] 544FreeBSD 6.1 2006-05-08 [FBD] 545FreeBSD 5.5 2006-05-25 [FBD] 546NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 547DragonFly 1.6.0 2006-07-24 [DFB] 548OpenBSD 4.0 2006-11-01 [OBD] 549NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 550NetBSD 3.1 2006-11-04 [NBD] 551FreeBSD 6.2 2007-01-15 [FBD] 552DragonFly 1.8.0 2007-01-30 [DFB] 553OpenBSD 4.1 2007-05-01 [OBD] 554DragonFly 1.10.0 2007-08-06 [DFB] 555Mac OS X 10.5 2007-10-26 [APL] 556OpenBSD 4.2 2007-11-01 [OBD] 557NetBSD 4.0 2007-12-19 [NBD] 558FreeBSD 6.3 2008-01-18 [FBD] 559DragonFly 1.12.0 2008-02-26 [DFB] 560FreeBSD 7.0 2008-02-27 [FBD] 561OpenBSD 4.3 2008-05-01 [OBD] 562DragonFly 2.0.0 2008-07-21 [DFB] 563OpenBSD 4.4 2008-11-01 [OBD] 564FreeBSD 6.4 2008-11-28 [FBD] 565FreeBSD 7.1 2009-01-04 [FBD] 566DragonFly 2.2.0 2009-02-17 [DFB] 567NetBSD 5.0 2009-04-29 [NBD] 568OpenBSD 4.5 2009-05-01 [OBD] 569FreeBSD 7.2 2009-05-04 [FBD] 570Mac OS X 10.6 2009-06-08 [APL] 571NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 572DragonFly 2.4.0 2009-09-16 [DFB] 573OpenBSD 4.6 2009-10-18 [OBD] 574FreeBSD 8.0 2009-11-26 [FBD] 575NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 576FreeBSD 7.3 2010-03-23 [FBD] 577DragonFly 2.6.0 2010-03-28 [DFB] 578OpenBSD 4.7 2010-05-19 [OBD] 579FreeBSD 8.1 2010-07-24 [FBD] 580DragonFly 2.8.2 2010-10-30 [DFB] 581OpenBSD 4.8 2010-11-01 [OBD] 582NetBSD 5.1 2010-11-19 [NBD] 583FreeBSD 7.4 2011-02-24 [FBD] 584FreeBSD 8.2 2011-02-24 [FBD] 585DragonFly 2.10.1 2011-04-26 [DFB] 586OpenBSD 4.9 2011-05-01 [OBD] 587Mac OS X 10.7 2011-07-20 [APL] 588OpenBSD 5.0 2011-11-01 [OBD] 589FreeBSD 9.0 2012-01-12 [FBD] 590NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 591DragonFly 3.0.1 2012-02-21 [DFB] 592FreeBSD 8.3 2012-04-18 [FBD] 593OpenBSD 5.1 2012-05-01 [OBD] 594Mac OS X 10.8 2012-07-25 [APL] 595NetBSD 6.0 2012-10-17 [NBD] 596OpenBSD 5.2 2012-11-01 [OBD] 597DragonFly 3.2.1 2012-11-02 [DFB] 598NetBSD 5.2 2012-12-03 [NBD] 599NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 600FreeBSD 9.1 2012-12-30 [FBD] 601DragonFly 3.4.1 2013-04-29 [DFB] 602OpenBSD 5.3 2013-05-01 [OBD] 603NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 604NetBSD 6.1 2013-05-18 [NBD] 605FreeBSD 8.4 2013-06-07 [FBD] 606NetBSD 6.1.1 2013-08-22 [NBD] 607NetBSD 5.1.3 2013-09-29 [NBD] 608NetBSD 5.2.1 2013-09-29 [NBD] 609FreeBSD 9.2 2013-09-30 [FBD] 610NetBSD 6.0.3 2013-09-30 [NBD] 611NetBSD 6.1.2 2013-09-30 [NBD] 612Mac OS X 10.9 2013-10-22 [APL] 613OpenBSD 5.4 2013-11-01 [OBD] 614DragonFly 3.6.0 2013-11-25 [DFB] 615FreeBSD 10.0 2014-01-20 [FBD] 616 617Bibliography 618------------------------ 619 620Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 621Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 622System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 623 624Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 625Company, Inc., 1994. ISBN 0-201-54777-5 626 627McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 628Quarterman. The Design and Implementation of the 4.4BSD Operating 629System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 630 631McKusick, Marshall Kirk, George Neville-Neil. The Design and 632Implementation of the FreeBSD Operating System. 633Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 634 635Doug McIlroy. Research Unix Reader. 636 637Michael G. Brown. The Role of BSD in the Development of Unix. 638Presented to the Tasmanian Unix Special Interest Group of the 639Australian Computer Society, Hobart, August 1993. 640 641Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 642URL: http://www.byte.com/art/9410/sec8/art3.htm 643 644Andreas Klemm, Lars Köller. If you're going to San Francisco ... 645Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 646 647BSD Release Announcements collection. 648URL: http://www.FreeBSD.org/releases/ 649 650BSD Hypertext Man Pages 651URL: http://www.FreeBSD.org/cgi/man.cgi 652 653UNIX history graphing project 654URL: http://minnie.tuhs.org/Unix_History/index.html 655 656UNIX history 657URL: http://www.levenez.com/unix/ 658 659James Howard: The BSD Family Tree 660URL: http://ezine.daemonnews.org/200104/bsd_family.html 661("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 662 663 664Acknowledgments 665--------------- 666 667Josh Gilliam for suggestions, bug fixes, and finding very old 668original BSD announcements from Usenet or tapes. 669 670Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 671 672-- 673Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 674URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 675 676$FreeBSD$ 677