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 | FreeBSD 2.2.8 | | | | | | 114 | | | | | | | | 115 | v | | | | OpenBSD 2.4 | 116 | FreeBSD 2.2.9 | | | | | | 117 | | | | | | | 118FreeBSD 3.0 <--------* | | v | | 119 | | | NetBSD 1.3.3 | | 120 *---FreeBSD 3.1 | | | | 121 | | | | | BSD/OS 4.0.1 122 | FreeBSD 3.2----* | NetBSD 1.4 OpenBSD 2.5 | 123 | | | | | | | | | 124 | | | | | | | | | 125 | | | | | | | | | 126 | FreeBSD 3.3 | | | | NetBSD 1.4.1 | | 127 | | | | | | | OpenBSD 2.6 | 128 | FreeBSD 3.4 | | | | | | | 129 | | | | | | | | BSD/OS 4.1 130FreeBSD 4.0 | | | | | NetBSD 1.4.2 | | 131 | | | | | | | | | 132 | | | | | | | | | 133 | FreeBSD 3.5 | | | | | OpenBSD 2.7 | 134 | | | | | | | | | 135 | FreeBSD 3.5.1 | | | | | | | 136 | | | | | | | | 137 *---FreeBSD 4.1 | | | | | | | 138 | | | | (?) | | | | 139 | FreeBSD 4.1.1 | | / | | | | 140 | | | | / | | | | 141 | FreeBSD 4.2 Darwin/ | NetBSD 1.4.3 | | 142 | | Mac OS X | OpenBSD 2.8 BSD/OS 4.2 143 | | | | | | 144 | | | | | | 145 | | 10.0 NetBSD 1.5 | | 146 | FreeBSD 4.3 | | | | | 147 | | | | | OpenBSD 2.9 | 148 | | | | NetBSD 1.5.1 | | 149 | | | | | | | 150 | FreeBSD 4.4-. | | NetBSD 1.5.2 | | 151 | | | Mac OS X | | | | 152 | | | 10.1 | | OpenBSD 3.0 | 153 | FreeBSD 4.5 | | | | | | 154 | | \ | | | | BSD/OS 4.3 155 | FreeBSD 4.6 \ | | | OpenBSD 3.1 | 156 | | \ | | NetBSD 1.5.3 | | 157 | FreeBSD 4.6.2 Mac OS X | | | 158 | | 10.2 | | | 159 | FreeBSD 4.7 | | | | 160 | | | NetBSD 1.6 OpenBSD 3.2 | 161 | FreeBSD 4.8 | | | | | 162 | | | | NetBSD 1.6.1 | | 163 | |--------. | | | OpenBSD 3.3 BSD/OS 5.0 164 | | \ | | | | | 165 | FreeBSD 4.9 | | | | OpenBSD 3.4 BSD/OS 5.1 ISE 166 | | | | | | | 167 | | | | | NetBSD 1.6.2 | 168 | | | | | | | 169 | | | | | | OpenBSD 3.5 170 | | | | | v | 171 | FreeBSD 4.10 | | | | 172 | | | | | | 173 | FreeBSD 4.11 | | | | 174 | | | | | 175 | `-|------|-----------------|---------------------. 176 | | | | \ 177FreeBSD 5.0 | | | | 178 | | | | | 179FreeBSD 5.1 | | | DragonFly 1.0 180 | \ | | | | 181 | ----- Mac OS X | | | 182 | 10.3 | | | 183FreeBSD 5.2 | | | | 184 | | | | | | 185 | FreeBSD 5.2.1 | | | | 186 | | | | | 187 *-------FreeBSD 5.3 | | | | 188 | | | | OpenBSD 3.6 | 189 | | | NetBSD 2.0 | | 190 | | | | | | | DragonFly 1.2.0 191 | | Mac OS X | | NetBSD 2.0.2 | | 192 | | 10.4 | | | | | 193 | FreeBSD 5.4 | | | | | | 194 | | | | | | OpenBSD 3.7 | 195 | | | | | NetBSD 2.0.3 | | 196 | | | | | | | | 197 *--FreeBSD | | | | v OpenBSD 3.8 | 198 | 6.0 | | | | | | 199 | | | | | \ | | 200 | | | | | NetBSD 2.1 | | 201 | | | | | | | 202 | | | | NetBSD 3.0 | | 203 | | | | | | | | DragonFly 1.4.0 204 | | | | | | | OpenBSD 3.9 | 205 | FreeBSD | | | | | | | 206 | 6.1 | | | | | | | 207 | | FreeBSD 5.5 | | | | | | 208 | | | | | NetBSD 3.0.1 | DragonFly 1.6.0 209 | | | | | | | | 210 | | | | | | OpenBSD 4.0 | 211 | | | | | NetBSD 3.0.2 | | 212 | | | | NetBSD 3.1 | | 213 | FreeBSD 6.2 | | | | 214 | | | | | DragonFly 1.8.0 215 | | | | OpenBSD 4.1 | 216 | | | | | DragonFly 1.10.0 217 | | Mac OS X | | | 218 | | 10.5 | | | 219 | | | | OpenBSD 4.2 | 220 | | | NetBSD 4.0 | | 221 | FreeBSD 6.3 | | | | | 222 | \ | | | | | 223 *--FreeBSD | | | | | DragonFly 1.12.0 224 | 7.0 | | | | | | 225 | | | | | | OpenBSD 4.3 | 226 | | | | | NetBSD | DragonFly 2.0.0 227 | | FreeBSD | | 4.0.1 OpenBSD 4.4 | 228 | | 6.4 | | | | 229 | | | | | | 230 | FreeBSD 7.1 | | | | 231 | | | | | DragonFly 2.2.0 232 | FreeBSD 7.2 | NetBSD 5.0 OpenBSD 4.5 | 233 | \ | | | \ | | 234 | | Mac OS X | | \ | | 235 | | 10.6 | | \ | | 236 | | | | | NetBSD | DragonFly 2.4.0 237 | | | | | 5.0.1 OpenBSD 4.6 | 238 | | | | | | | | 239 *--FreeBSD | | | | | | | 240 | 8.0 | | | | | | | 241 | | FreeBSD | | | NetBSD | | 242 | | 7.3 | | | 5.0.2 | DragonFly 2.6.0 243 | | | | | | OpenBSD 4.7 | 244 | FreeBSD | | | | | | 245 | 8.1 | | | | | | 246 | | | | | | | DragonFly 2.8.2 247 | | | | | | OpenBSD 4.8 | 248 | | | | | *--NetBSD | | 249 | FreeBSD FreeBSD | | | 5.1 | | 250 | 8.2 7.4 | | | | | DragonFly 2.10.1 251 | | | | | | OpenBSD 4.9 | 252 | `-----. Mac OS X | | | | | 253 | \ 10.7 | | | | | 254 | | | | | | OpenBSD 5.0 | 255 *--FreeBSD | | | | | | | 256 | 9.0 | | | | NetBSD | DragonFly 3.0.1 257 | | FreeBSD | | | 5.1.2 | | 258 | | 8.3 | | | | | | 259 | | | | | | NetBSD | | 260 | | | | | | 5.1.3 | | 261 | | | | | | OpenBSD 5.1 | 262 | | | Mac OS X | `----. | | 263 | | | 10.8 | \ | | 264 | | | | NetBSD 6.0 | | | 265 | | | | | | | | OpenBSD 5.2 DragonFly 3.2.1 266 | FreeBSD | | | | | NetBSD | | 267 | 9.1 | | | | | 5.2 | | 268 | | | | | | | | | | 269 | | | | | | | NetBSD | | 270 | | | | | | | 5.2.1 | | 271 | | | | | | | | | 272 | | | | | | \ | | 273 | | | | | | NetBSD | | 274 | | | | | | 6.0.1 | | 275 | | | | | | | | | 276 | | | | | | NetBSD | | 277 | | | | | | 6.0.2 | | 278 | | | | | | | OpenBSD 5.3 DragonFly 3.4.1 279 | | | | | | NetBSD | | 280 | | | | | | 6.0.3 | | 281 | | | | | | | | | 282 | | | | | | NetBSD | | 283 | | | | | | 6.0.4 | | 284 | | | | | | | | | 285 | | | | | | NetBSD | | 286 | | | | | | 6.0.5 | | 287 | | | | | | | | 288 | | | | | |`-NetBSD 6.1 | | 289 | | FreeBSD | | | | | 290 | | 8.4 | | NetBSD 6.1.1 | | 291 | | | | | | | 292 | FreeBSD | | NetBSD 6.1.2 | | 293 | 9.2 Mac OS X | | | | 294 | | 10.9 | | OpenBSD 5.4 | 295 | `-----. | | | | DragonFly 3.6.0 296 | \ | | | | | 297 *--FreeBSD | | | NetBSD 6.1.3 | | 298 | 10.0 | | | | | | 299 | | | | | | DragonFly 3.6.1 300 | | | | | | | 301 | | | | | | | 302 | | | | | | DragonFly 3.6.2 303 | | | | NetBSD 6.1.4 | | 304 | | | | | | 305 | | | | OpenBSD 5.5 | 306 | | | | | | 307 | | | | | DragonFly 3.8.0 308 | | | | | | 309 | | | | | | 310 | | | | | DragonFly 3.8.1 311 | | | | | | 312 | | | | | | 313 | | | | | DragonFly 3.6.3 314 | | | | | | 315 | FreeBSD | | | | 316 | 9.3 | | | | 317 | | | | DragonFly 3.8.2 318 | | | | | 319 | | | | | 320 | | | | | 321 | | | | | 322 | | | | | 323 | | | | | 324 | | | | | 325 | | | | | 326FreeBSD 11 -current | NetBSD -current OpenBSD -current DragonFly -current 327 | | | | | 328 v v v v v 329 330Time 331---------------- 332 333Time tolerance +/- 6 months, depending on which book/article you read; if it 334was the announcement in Usenet or if it was available as tape. 335 336[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 337 and John Quarterman. The Design and Implementation of 338 the 4.4BSD Operating System. 339[APL] Apple website [http://www.apple.com/macosx/] 340[BSDI] Berkeley Software Design, Inc. 341[DFB] DragonFlyBSD Project, The. 342[DOC] README, COPYRIGHT on tape. 343[FBD] FreeBSD Project, The. 344[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 345 Volume 11, Info 4, April, 1987. 346[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 347 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 348[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 349 Changes in the Kernel in 2.9BSD. Second Berkeley Software 350 Distribution UNIX Version 2.9, July, 1983. 351[NBD] NetBSD Project, The. 352[OBD] OpenBSD Project, The. 353[QCU] Salus, Peter H. A quarter century of UNIX. 354[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 355[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 356[USE] Usenet announcement. 357[WRS] Wind River Systems, Inc. 358[dmr] Dennis Ritchie, via E-Mail 359 360Multics 1965 361UNIX Summer 1969 362 DEC PDP-7 363First Edition 1971-11-03 [QCU] 364 DEC PDP-11/20, Assembler 365Second Edition 1972-06-12 [QCU] 366 10 UNIX installations 367Third Edition 1973-02-xx [QCU] 368 Pipes, 16 installations 369Fourth Edition 1973-11-xx [QCU] 370 rewriting in C effected, 371 above 30 installations 372Fifth Edition 1974-06-xx [QCU] 373 above 50 installations 374Sixth Edition 1975-05-xx [QCU] 375 port to DEC Vax 376Seventh Edition 1979-01-xx [QCU] 377 first portable UNIX 378Eighth Edition 1985-02-xx [QCU] 379 VAX 11/750, VAX 11/780 [dmr] 380 descended from 4.1c BSD [dmr] 381 descended from 4.1 BSD [44B] 382 scooping-out and replacement of the character-device 383 and networking part by the streams mechanism 384 385Ninth Edition 1986-09-xx [QCU] 386Tenth Edition 1989-10-xx [QCU] 387 3881BSD late 1977 389 1978-03-09 [QCU] 390 PDP-11, Pascal, ex(1) 391 30 free copies of 1BSD sent out 392 35 tapes sold for 50 USD [QCU] 3932BSD mid 1978 [QCU] 1979-05-10 [TUHS] 394 75 2BSD tapes shipped 3952.79BSD 1980-04-xx [TUHS] 3962.8BSD 1981-07-xx [KSJ] 397 3982.8.1BSD 1982-01-xx [QCU] 399 set of performance improvements 4002.9BSD 1983-07-xx [KSJ] 4012.9.1BSD 1983-11-xx [TUHS] 4022.9BSD-Seismo 1985-08-xx [SMS] 4032.10BSD 1987-04-xx [KKK] 4042.10.1BSD 1989-01-xx [SMS] 4052.11BSD 1992-02-xx [SMS] 4062.11BSD rev #430 1999-12-13 [SMS] 407 40832V 1978-1[01]-xx [QCU] 4093BSD late 1979 [QCU] March 1980 [TUHS] 410 virtual memory, page replacement, 411 demand paging 4124.0BSD 1980-10-xx 4134.1BSD 1981-07-08 [DOC] 4144.1aBSD 1982-04-xx 415 alpha release, 100 sites, networking [44B] 4164.1bBSD internal release, fast filesystem [44B] 4174.1cBSD late 1982 418 beta release, IPC [44B] 4194.2BSD 1983-09-xx [QCU] 420 1983-08-03 [DOC] 4214.3BSD 1986-06-xx [QCU] 422 1986-04-05 [KB], [DOC] 4234.3BSD Tahoe 1988-06-15 [QCU], [DOC] 4244.3BSD NET/1 1988-11-xx [QCU] 425 1989-01-01 [DOC] 4264.3BSD Reno 1990-06-29 [QCU], [DOC] 4274.3BSD NET/2 1991-06-28 [QCU], [DOC] 428 429BSD/386 ALPHA 1991-12-xx [BSDI] 430 first code released to people outside BSDI 431386BSD 0.0 1992-02-xx [DOC] 432BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 433BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 434386BSD 0.1 1992-07-28 [DOC] 4354.4BSD Alpha 1992-07-07 436BSD/386 0.9.3 1992-10-xx [BSDI] 437 first external gamma; G customers 438BSD/386 0.9.4 1992-12-xx [BSDI] 439 would have been 1.0 except for request 440 for preliminary injunction 441BSD/386 1.0 1993-03-xx [BSDI] 442 injunction denied; first official release 443NetBSD 0.8 1993-04-20 [NBD] 4444.4BSD 1993-06-01 [USE] 445NetBSD 0.9 1993-08-23 [NBD] 446FreeBSD 1.0 1993-11-01 [FBD] 447FreeBSD 1.0.2 1993-11-14 [FBD] 448 supersedes 1.0 13 days after release. 449BSD/386 1.1 1994-02-xx [BSDI] 4504.4BSD Lite 1994-03-01 [USE] 451FreeBSD 1.1 1994-05-07 [FBD] 452FreeBSD 1.1.5 1994-06-30 [FBD] 453FreeBSD 1.1.5.1 1994-07-05 [FBD] 454 supersedes 1.1.5 5 days after release. 455NetBSD 1.0 1994-10-26 [NBD] 456386BSD 1.0 1994-11-12 [USE] 457FreeBSD 2.0 1994-11-23 [FBD] 458BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 459FreeBSD 2.0.5 1995-06-10 [FBD] 460BSD/OS 2.0.1 1995-06-xx [BSDI] 4614.4BSD Lite Release 2 1995-06-xx [44B] 462 the true final distribution from the CSRG 463FreeBSD 2.1.0 1995-11-19 [FBD] 464NetBSD 1.1 1995-11-26 [NBD] 465BSD/OS 2.1 1996-01-xx [BSDI] 466FreeBSD 2.1.5 1996-07-14 [FBD] 467NetBSD 1.2 1996-10-04 [NBD] 468OpenBSD 2.0 1996-10-18 [OBD] 469FreeBSD 2.1.6 1996-11-16 [FBD] 470FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 471Rhapsody 1997-xx-xx 472FreeBSD 2.1.7 1997-02-20 [FBD] 473BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 474FreeBSD 2.2.0 1997-03-16 [FBD] 475FreeBSD 2.2.1 1997-03-25 [FBD] 476FreeBSD 2.2.2 1997-05-16 [FBD] 477NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 478OpenBSD 2.1 1997-06-01 [OBD] 479FreeBSD 2.2.5 1997-10-22 [FBD] 480OpenBSD 2.2 1997-12-01 [OBD] 481NetBSD 1.3 1998-01-04 [NBD] 482FreeBSD 2.2.6 1998-03-25 [FBD] 483NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 484BSD/OS 3.1 1998-03-xx [BSDI] 485OpenBSD 2.3 1998-05-19 [OBD] 486NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 487FreeBSD 2.2.7 1998-07-22 [FBD] 488BSD/OS 4.0 1998-08-xx [BSDI] 489 2-lock MP support, ELF executables 490FreeBSD 3.0 1998-10-16 [FBD] 491 FreeBSD-3.0 is a snapshot from -current, 492 while 3.1 and 3.2 are from 3.x-stable which 493 was branched quite some time after 3.0-release 494FreeBSD 2.2.8 1998-11-29 [FBD] 495OpenBSD 2.4 1998-12-01 [OBD] 496NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 497FreeBSD 3.1 1999-02-15 [FBD] 498BSD/OS 4.0.1 1999-03-xx [BSDI] 499NetBSD 1.4 1999-05-12 [NBD] 500FreeBSD 3.2 1999-05-17 [FBD] 501OpenBSD 2.5 1999-05-19 [OBD] 502NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 503FreeBSD 3.3 1999-09-17 [FBD] 504OpenBSD 2.6 1999-12-01 [OBD] 505FreeBSD 3.4 1999-12-20 [FBD] 506BSD/OS 4.1 1999-12-xx [BSDI] 507FreeBSD 4.0 2000-03-13 [FBD] 508NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 509OpenBSD 2.7 2000-06-15 [OBD] 510FreeBSD 3.5 2000-06-24 [FBD] 511FreeBSD 4.1 2000-07-27 [FBD] 512FreeBSD 3.5.1 2000-07-28 [FBD] 513FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 514FreeBSD 4.2 2000-11-21 [FBD] 515NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 516BSD/OS 4.2 2000-11-29 [BSDI] 517OpenBSD 2.8 2000-12-01 [OBD] 518NetBSD 1.5 2000-12-06 [NBD] 519Mac OS X 10.0 2001-03-24 [APL] 520FreeBSD 4.3 2001-04-20 [FBD] 521OpenBSD 2.9 2001-06-01 [OBD] 522NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 523NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 524FreeBSD 4.4 2001-09-18 [FBD] 525Mac OS X 10.1 2001-09-29 [APL] 526OpenBSD 3.0 2001-12-01 [OBD] 527FreeBSD 4.5 2002-01-29 [FBD] 528BSD/OS 4.3 2002-03-14 [WRS] 529OpenBSD 3.1 2002-05-19 [OBD] 530FreeBSD 4.6 2002-06-15 [FBD] 531NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 532FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 533Mac OS X 10.2 2002-08-23 [APL] 534NetBSD 1.6 2002-09-14 [NBD] 535FreeBSD 4.7 2002-10-08 [FBD] 536OpenBSD 3.2 2002-11-01 [OBD] 537FreeBSD 5.0 2003-01-17 [FBD] 538 FreeBSD 5.0 is a separate branch off of 539 -current, similar to 3.0. 540FreeBSD 4.8 2003-04-03 [FBD] 541NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 542OpenBSD 3.3 2003-05-01 [OBD] 543BSD/OS 5.0 2003-05-?? [WRS] 544FreeBSD 5.1 2003-06-09 [FBD] 545Mac OS X 10.3 2003-10-24 [APL] 546FreeBSD 4.9 2003-10-28 [FBD] 547BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 548OpenBSD 3.4 2003-11-01 [OBD] 549FreeBSD 5.2 2004-01-12 [FBD] 550FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 551NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 552OpenBSD 3.5 2004-04-01 [OBD] 553FreeBSD 4.10 2004-05-27 [FBD] 554DragonFly 1.0 2004-07-12 [DFB] 555OpenBSD 3.6 2004-10-29 [OBD] 556FreeBSD 5.3 2004-11-06 [FBD] 557NetBSD 2.0 2004-12-09 [NBD] 558FreeBSD 4.11 2005-01-25 [FBD] 559DragonFly 1.2.0 2005-04-08 [DFB] 560NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 561Mac OS X 10.4 2005-04-29 [APL] 562FreeBSD 5.4 2005-05-09 [FBD] 563OpenBSD 3.7 2005-05-19 [OBD] 564NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 565OpenBSD 3.8 2005-11-01 [OBD] 566FreeBSD 6.0 2005-11-01 [FBD] 567NetBSD 2.1 2005-11-02 [NBD] 568NetBSD 3.0 2005-12-23 [NBD] 569DragonFly 1.4.0 2006-01-08 [DFB] 570FreeBSD 2.2.9 2006-04-01 [FBD] 571OpenBSD 3.9 2006-05-01 [OBD] 572FreeBSD 6.1 2006-05-08 [FBD] 573FreeBSD 5.5 2006-05-25 [FBD] 574NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 575DragonFly 1.6.0 2006-07-24 [DFB] 576OpenBSD 4.0 2006-11-01 [OBD] 577NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 578NetBSD 3.1 2006-11-04 [NBD] 579FreeBSD 6.2 2007-01-15 [FBD] 580DragonFly 1.8.0 2007-01-30 [DFB] 581OpenBSD 4.1 2007-05-01 [OBD] 582DragonFly 1.10.0 2007-08-06 [DFB] 583Mac OS X 10.5 2007-10-26 [APL] 584OpenBSD 4.2 2007-11-01 [OBD] 585NetBSD 4.0 2007-12-19 [NBD] 586FreeBSD 6.3 2008-01-18 [FBD] 587DragonFly 1.12.0 2008-02-26 [DFB] 588FreeBSD 7.0 2008-02-27 [FBD] 589OpenBSD 4.3 2008-05-01 [OBD] 590DragonFly 2.0.0 2008-07-21 [DFB] 591OpenBSD 4.4 2008-11-01 [OBD] 592FreeBSD 6.4 2008-11-28 [FBD] 593FreeBSD 7.1 2009-01-04 [FBD] 594DragonFly 2.2.0 2009-02-17 [DFB] 595NetBSD 5.0 2009-04-29 [NBD] 596OpenBSD 4.5 2009-05-01 [OBD] 597FreeBSD 7.2 2009-05-04 [FBD] 598Mac OS X 10.6 2009-06-08 [APL] 599NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 600DragonFly 2.4.0 2009-09-16 [DFB] 601OpenBSD 4.6 2009-10-18 [OBD] 602FreeBSD 8.0 2009-11-26 [FBD] 603NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 604FreeBSD 7.3 2010-03-23 [FBD] 605DragonFly 2.6.0 2010-03-28 [DFB] 606OpenBSD 4.7 2010-05-19 [OBD] 607FreeBSD 8.1 2010-07-24 [FBD] 608DragonFly 2.8.2 2010-10-30 [DFB] 609OpenBSD 4.8 2010-11-01 [OBD] 610NetBSD 5.1 2010-11-19 [NBD] 611FreeBSD 7.4 2011-02-24 [FBD] 612FreeBSD 8.2 2011-02-24 [FBD] 613DragonFly 2.10.1 2011-04-26 [DFB] 614OpenBSD 4.9 2011-05-01 [OBD] 615Mac OS X 10.7 2011-07-20 [APL] 616OpenBSD 5.0 2011-11-01 [OBD] 617FreeBSD 9.0 2012-01-12 [FBD] 618NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 619DragonFly 3.0.1 2012-02-21 [DFB] 620FreeBSD 8.3 2012-04-18 [FBD] 621OpenBSD 5.1 2012-05-01 [OBD] 622Mac OS X 10.8 2012-07-25 [APL] 623NetBSD 6.0 2012-10-17 [NBD] 624OpenBSD 5.2 2012-11-01 [OBD] 625DragonFly 3.2.1 2012-11-02 [DFB] 626NetBSD 5.2 2012-12-03 [NBD] 627NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 628FreeBSD 9.1 2012-12-30 [FBD] 629DragonFly 3.4.1 2013-04-29 [DFB] 630OpenBSD 5.3 2013-05-01 [OBD] 631NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 632NetBSD 6.1 2013-05-18 [NBD] 633FreeBSD 8.4 2013-06-07 [FBD] 634NetBSD 6.1.1 2013-08-22 [NBD] 635NetBSD 5.1.3 2013-09-29 [NBD] 636NetBSD 5.2.1 2013-09-29 [NBD] 637FreeBSD 9.2 2013-09-30 [FBD] 638NetBSD 6.0.3 2013-09-30 [NBD] 639NetBSD 6.1.2 2013-09-30 [NBD] 640Mac OS X 10.9 2013-10-22 [APL] 641OpenBSD 5.4 2013-11-01 [OBD] 642DragonFly 3.6.0 2013-11-25 [DFB] 643FreeBSD 10.0 2014-01-20 [FBD] 644NetBSD 6.0.4 2014-01-27 [NBD] 645NetBSD 6.1.3 2014-01-27 [NBD] 646DragonFly 3.6.1 2014-02-22 [DFB] 647DragonFly 3.6.2 2014-04-10 [DFB] 648NetBSD 6.0.5 2014-04-19 [NDB] 649NetBSD 6.1.4 2014-04-19 [NDB] 650OpenBSD 5.5 2014-05-01 [OBD] 651DragonFly 3.8.0 2014-06-04 [DFB] 652DragonFly 3.8.1 2014-06-16 [DFB] 653DragonFly 3.6.3 2014-06-17 [DFB] 654FreeBSD 9.3 2014-07-05 [FBD] 655DragonFly 3.8.2 2014-08-08 [DFB] 656 657Bibliography 658------------------------ 659 660Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 661Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 662System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 663 664Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 665Company, Inc., 1994. ISBN 0-201-54777-5 666 667McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 668Quarterman. The Design and Implementation of the 4.4BSD Operating 669System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 670 671McKusick, Marshall Kirk, George Neville-Neil. The Design and 672Implementation of the FreeBSD Operating System. 673Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 674 675Doug McIlroy. Research Unix Reader. 676 677Michael G. Brown. The Role of BSD in the Development of Unix. 678Presented to the Tasmanian Unix Special Interest Group of the 679Australian Computer Society, Hobart, August 1993. 680 681Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 682URL: http://www.byte.com/art/9410/sec8/art3.htm 683 684Andreas Klemm, Lars Köller. If you're going to San Francisco ... 685Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 686 687BSD Release Announcements collection. 688URL: http://www.FreeBSD.org/releases/ 689 690BSD Hypertext Man Pages 691URL: http://www.FreeBSD.org/cgi/man.cgi 692 693UNIX history graphing project 694URL: http://minnie.tuhs.org/Unix_History/index.html 695 696UNIX history 697URL: http://www.levenez.com/unix/ 698 699James Howard: The BSD Family Tree 700URL: http://ezine.daemonnews.org/200104/bsd_family.html 701("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 702 703 704Acknowledgments 705--------------- 706 707Josh Gilliam for suggestions, bug fixes, and finding very old 708original BSD announcements from Usenet or tapes. 709 710Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 711 712-- 713Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 714URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 715 716$FreeBSD$ 717