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 | | | | | | | | | 262 | | | | | | NetBSD | | 263 | | | | | | 5.1.4 | | 264 | | | | | | OpenBSD 5.1 | 265 | | | Mac OS X | `----. | | 266 | | | 10.8 | \ | | 267 | | | | NetBSD 6.0 | | | 268 | | | | | | | | OpenBSD 5.2 DragonFly 3.2.1 269 | FreeBSD | | | | | NetBSD | | 270 | 9.1 | | | | | 5.2 | | 271 | | | | | | | | | | 272 | | | | | | | NetBSD | | 273 | | | | | | | 5.2.1 | | 274 | | | | | | | | | | 275 | | | | | | | NetBSD | | 276 | | | | | | | 5.2.2 | | 277 | | | | | | | | | 278 | | | | | | \ | | 279 | | | | | | NetBSD | | 280 | | | | | | 6.0.1 | | 281 | | | | | | | OpenBSD 5.3 DragonFly 3.4.1 282 | | | | | | NetBSD | | 283 | | | | | | 6.0.2 | | 284 | | | | | | | | | 285 | | | | | | NetBSD | | 286 | | | | | | 6.0.3 | | 287 | | | | | | | | | 288 | | | | | | NetBSD | | 289 | | | | | | 6.0.4 | | 290 | | | | | | | | | 291 | | | | | | NetBSD | | 292 | | | | | | 6.0.5 | | 293 | | | | | | | | 294 | | | | | |`-NetBSD 6.1 | | 295 | | FreeBSD | | | | | 296 | | 8.4 | | NetBSD 6.1.1 | | 297 | | | | | | | 298 | FreeBSD | | NetBSD 6.1.2 | | 299 | 9.2 Mac OS X | | | | 300 | | 10.9 | | OpenBSD 5.4 | 301 | `-----. | | | | DragonFly 3.6.0 302 | \ | | | | | 303 *--FreeBSD | | | NetBSD 6.1.3 | | 304 | 10.0 | | | | | | 305 | | | | | | | DragonFly 3.6.1 306 | | | | | | | | 307 | | | | | | | | 308 | | | | | | | DragonFly 3.6.2 309 | | | | | NetBSD 6.1.4 | | 310 | | | | | | | | 311 | | | | | | OpenBSD 5.5 | 312 | | | | | | | | 313 | | | | | | | DragonFly 3.8.0 314 | | | | | | | | 315 | | | | | | | | 316 | | | | | | | DragonFly 3.8.1 317 | | | | | | | | 318 | | | | | | | | 319 | | | | | | | DragonFly 3.6.3 320 | | | | | | | | 321 | | FreeBSD | | | | | 322 | | 9.3 | | | | | 323 | | | | NetBSD 6.1.5 | DragonFly 3.8.2 324 | | Mac OS X | | | 325 | | 10.10 | | | 326 | | | | OpenBSD 5.6 | 327 | FreeBSD | | | | 328 | 10.1 | | | DragonFly 4.0.1 329 | | | | | | 330 | | | | | DragonFly 4.0.2 331 | | | | | | 332 | | | | | DragonFly 4.0.3 333 | | | | | | 334 | | | | | DragonFly 4.0.4 335 | | | | | | 336 | | | | | DragonFly 4.0.5 337 | | | | | | 338 | | | | OpenBSD 5.7 | 339 | | | | | DragonFly 4.2.0 340 | FreeBSD | | | | 341 | 10.2 | | | | 342 | | OS X NetBSD 7.0 | | 343 | | 10.11 | OpenBSD 5.8 | 344 | | | | | DragonFly 4.4.1 345 | FreeBSD | | OpenBSD 5.9 | 346 | 10.3 | | | | 347 | | NetBSD 7.0.1 | | 348 | | | | DragonFly 4.6.0 349 *--FreeBSD | | OpenBSD 6.0 | 350 | 11.0 | | | | 351 | | | | | 352 | | | | | 353FreeBSD 12 -current | NetBSD -current OpenBSD -current DragonFly -current 354 | | | | | 355 v v v v v 356 357Time 358---------------- 359 360Time tolerance +/- 6 months, depending on which book/article you read; if it 361was the announcement in Usenet or if it was available as tape. 362 363[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 364 and John Quarterman. The Design and Implementation of 365 the 4.4BSD Operating System. 366[APL] Apple website [http://www.apple.com/macosx/] 367[BSDI] Berkeley Software Design, Inc. 368[DFB] DragonFlyBSD Project, The. 369[DOC] README, COPYRIGHT on tape. 370[FBD] FreeBSD Project, The. 371[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 372 Volume 11, Info 4, April, 1987. 373[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 374 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 375[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 376 Changes in the Kernel in 2.9BSD. Second Berkeley Software 377 Distribution UNIX Version 2.9, July, 1983. 378[NBD] NetBSD Project, The. 379[OBD] OpenBSD Project, The. 380[QCU] Salus, Peter H. A quarter century of UNIX. 381[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 382[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 383[USE] Usenet announcement. 384[WRS] Wind River Systems, Inc. 385[dmr] Dennis Ritchie, via E-Mail 386 387Multics 1965 388UNIX Summer 1969 389 DEC PDP-7 390First Edition 1971-11-03 [QCU] 391 DEC PDP-11/20, Assembler 392Second Edition 1972-06-12 [QCU] 393 10 UNIX installations 394Third Edition 1973-02-xx [QCU] 395 Pipes, 16 installations 396Fourth Edition 1973-11-xx [QCU] 397 rewriting in C effected, 398 above 30 installations 399Fifth Edition 1974-06-xx [QCU] 400 above 50 installations 401Sixth Edition 1975-05-xx [QCU] 402 port to DEC Vax 403Seventh Edition 1979-01-xx [QCU] 404 first portable UNIX 405Eighth Edition 1985-02-xx [QCU] 406 VAX 11/750, VAX 11/780 [dmr] 407 descended from 4.1c BSD [dmr] 408 descended from 4.1 BSD [44B] 409 scooping-out and replacement of the character-device 410 and networking part by the streams mechanism 411 412Ninth Edition 1986-09-xx [QCU] 413Tenth Edition 1989-10-xx [QCU] 414 4151BSD late 1977 416 1978-03-09 [QCU] 417 PDP-11, Pascal, ex(1) 418 30 free copies of 1BSD sent out 419 35 tapes sold for 50 USD [QCU] 4202BSD mid 1978 [QCU] 1979-05-10 [TUHS] 421 75 2BSD tapes shipped 4222.79BSD 1980-04-xx [TUHS] 4232.8BSD 1981-07-xx [KSJ] 424 4252.8.1BSD 1982-01-xx [QCU] 426 set of performance improvements 4272.9BSD 1983-07-xx [KSJ] 4282.9.1BSD 1983-11-xx [TUHS] 4292.9BSD-Seismo 1985-08-xx [SMS] 4302.10BSD 1987-04-xx [KKK] 4312.10.1BSD 1989-01-xx [SMS] 4322.11BSD 1992-02-xx [SMS] 4332.11BSD rev #430 1999-12-13 [SMS] 434 43532V 1978-1[01]-xx [QCU] 4363BSD late 1979 [QCU] March 1980 [TUHS] 437 virtual memory, page replacement, 438 demand paging 4394.0BSD 1980-10-xx 4404.1BSD 1981-07-08 [DOC] 4414.1aBSD 1982-04-xx 442 alpha release, 100 sites, networking [44B] 4434.1bBSD internal release, fast filesystem [44B] 4444.1cBSD late 1982 445 beta release, IPC [44B] 4464.2BSD 1983-09-xx [QCU] 447 1983-08-03 [DOC] 4484.3BSD 1986-06-xx [QCU] 449 1986-04-05 [KB], [DOC] 4504.3BSD Tahoe 1988-06-15 [QCU], [DOC] 4514.3BSD NET/1 1988-11-xx [QCU] 452 1989-01-01 [DOC] 4534.3BSD Reno 1990-06-29 [QCU], [DOC] 4544.3BSD NET/2 1991-06-28 [QCU], [DOC] 455 456BSD/386 ALPHA 1991-12-xx [BSDI] 457 first code released to people outside BSDI 458386BSD 0.0 1992-02-xx [DOC] 459BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 460BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 461386BSD 0.1 1992-07-28 [DOC] 4624.4BSD Alpha 1992-07-07 463BSD/386 0.9.3 1992-10-xx [BSDI] 464 first external gamma; G customers 465BSD/386 0.9.4 1992-12-xx [BSDI] 466 would have been 1.0 except for request 467 for preliminary injunction 468BSD/386 1.0 1993-03-xx [BSDI] 469 injunction denied; first official release 470NetBSD 0.8 1993-04-20 [NBD] 4714.4BSD 1993-06-01 [USE] 472NetBSD 0.9 1993-08-23 [NBD] 473FreeBSD 1.0 1993-11-01 [FBD] 474FreeBSD 1.0.2 1993-11-14 [FBD] 475 supersedes 1.0 13 days after release. 476BSD/386 1.1 1994-02-xx [BSDI] 4774.4BSD Lite 1994-03-01 [USE] 478FreeBSD 1.1 1994-05-07 [FBD] 479FreeBSD 1.1.5 1994-06-30 [FBD] 480FreeBSD 1.1.5.1 1994-07-05 [FBD] 481 supersedes 1.1.5 5 days after release. 482NetBSD 1.0 1994-10-26 [NBD] 483386BSD 1.0 1994-11-12 [USE] 484FreeBSD 2.0 1994-11-23 [FBD] 485BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 486FreeBSD 2.0.5 1995-06-10 [FBD] 487BSD/OS 2.0.1 1995-06-xx [BSDI] 4884.4BSD Lite Release 2 1995-06-xx [44B] 489 the true final distribution from the CSRG 490FreeBSD 2.1.0 1995-11-19 [FBD] 491NetBSD 1.1 1995-11-26 [NBD] 492BSD/OS 2.1 1996-01-xx [BSDI] 493FreeBSD 2.1.5 1996-07-14 [FBD] 494NetBSD 1.2 1996-10-04 [NBD] 495OpenBSD 2.0 1996-10-18 [OBD] 496FreeBSD 2.1.6 1996-11-16 [FBD] 497FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 498Rhapsody 1997-xx-xx 499FreeBSD 2.1.7 1997-02-20 [FBD] 500BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 501FreeBSD 2.2.0 1997-03-16 [FBD] 502FreeBSD 2.2.1 1997-03-25 [FBD] 503FreeBSD 2.2.2 1997-05-16 [FBD] 504NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 505OpenBSD 2.1 1997-06-01 [OBD] 506FreeBSD 2.2.5 1997-10-22 [FBD] 507OpenBSD 2.2 1997-12-01 [OBD] 508NetBSD 1.3 1998-01-04 [NBD] 509FreeBSD 2.2.6 1998-03-25 [FBD] 510NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 511BSD/OS 3.1 1998-03-xx [BSDI] 512OpenBSD 2.3 1998-05-19 [OBD] 513NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 514FreeBSD 2.2.7 1998-07-22 [FBD] 515BSD/OS 4.0 1998-08-xx [BSDI] 516 2-lock MP support, ELF executables 517FreeBSD 3.0 1998-10-16 [FBD] 518 FreeBSD-3.0 is a snapshot from -current, 519 while 3.1 and 3.2 are from 3.x-stable which 520 was branched quite some time after 3.0-release 521FreeBSD 2.2.8 1998-11-29 [FBD] 522OpenBSD 2.4 1998-12-01 [OBD] 523NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 524FreeBSD 3.1 1999-02-15 [FBD] 525BSD/OS 4.0.1 1999-03-xx [BSDI] 526NetBSD 1.4 1999-05-12 [NBD] 527FreeBSD 3.2 1999-05-17 [FBD] 528OpenBSD 2.5 1999-05-19 [OBD] 529NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 530FreeBSD 3.3 1999-09-17 [FBD] 531OpenBSD 2.6 1999-12-01 [OBD] 532FreeBSD 3.4 1999-12-20 [FBD] 533BSD/OS 4.1 1999-12-xx [BSDI] 534FreeBSD 4.0 2000-03-13 [FBD] 535NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 536OpenBSD 2.7 2000-06-15 [OBD] 537FreeBSD 3.5 2000-06-24 [FBD] 538FreeBSD 4.1 2000-07-27 [FBD] 539FreeBSD 3.5.1 2000-07-28 [FBD] 540FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 541FreeBSD 4.2 2000-11-21 [FBD] 542NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 543BSD/OS 4.2 2000-11-29 [BSDI] 544OpenBSD 2.8 2000-12-01 [OBD] 545NetBSD 1.5 2000-12-06 [NBD] 546Mac OS X 10.0 2001-03-24 [APL] 547FreeBSD 4.3 2001-04-20 [FBD] 548OpenBSD 2.9 2001-06-01 [OBD] 549NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 550NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 551FreeBSD 4.4 2001-09-18 [FBD] 552Mac OS X 10.1 2001-09-29 [APL] 553OpenBSD 3.0 2001-12-01 [OBD] 554FreeBSD 4.5 2002-01-29 [FBD] 555BSD/OS 4.3 2002-03-14 [WRS] 556OpenBSD 3.1 2002-05-19 [OBD] 557FreeBSD 4.6 2002-06-15 [FBD] 558NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 559FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 560Mac OS X 10.2 2002-08-23 [APL] 561NetBSD 1.6 2002-09-14 [NBD] 562FreeBSD 4.7 2002-10-08 [FBD] 563OpenBSD 3.2 2002-11-01 [OBD] 564FreeBSD 5.0 2003-01-17 [FBD] 565 FreeBSD 5.0 is a separate branch off of 566 -current, similar to 3.0. 567FreeBSD 4.8 2003-04-03 [FBD] 568NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 569OpenBSD 3.3 2003-05-01 [OBD] 570BSD/OS 5.0 2003-05-?? [WRS] 571FreeBSD 5.1 2003-06-09 [FBD] 572Mac OS X 10.3 2003-10-24 [APL] 573FreeBSD 4.9 2003-10-28 [FBD] 574BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 575OpenBSD 3.4 2003-11-01 [OBD] 576FreeBSD 5.2 2004-01-12 [FBD] 577FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 578NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 579OpenBSD 3.5 2004-04-01 [OBD] 580FreeBSD 4.10 2004-05-27 [FBD] 581DragonFly 1.0 2004-07-12 [DFB] 582OpenBSD 3.6 2004-10-29 [OBD] 583FreeBSD 5.3 2004-11-06 [FBD] 584NetBSD 2.0 2004-12-09 [NBD] 585FreeBSD 4.11 2005-01-25 [FBD] 586DragonFly 1.2.0 2005-04-08 [DFB] 587NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 588Mac OS X 10.4 2005-04-29 [APL] 589FreeBSD 5.4 2005-05-09 [FBD] 590OpenBSD 3.7 2005-05-19 [OBD] 591NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 592OpenBSD 3.8 2005-11-01 [OBD] 593FreeBSD 6.0 2005-11-01 [FBD] 594NetBSD 2.1 2005-11-02 [NBD] 595NetBSD 3.0 2005-12-23 [NBD] 596DragonFly 1.4.0 2006-01-08 [DFB] 597FreeBSD 2.2.9 2006-04-01 [FBD] 598OpenBSD 3.9 2006-05-01 [OBD] 599FreeBSD 6.1 2006-05-08 [FBD] 600FreeBSD 5.5 2006-05-25 [FBD] 601NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 602DragonFly 1.6.0 2006-07-24 [DFB] 603OpenBSD 4.0 2006-11-01 [OBD] 604NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 605NetBSD 3.1 2006-11-04 [NBD] 606FreeBSD 6.2 2007-01-15 [FBD] 607DragonFly 1.8.0 2007-01-30 [DFB] 608OpenBSD 4.1 2007-05-01 [OBD] 609DragonFly 1.10.0 2007-08-06 [DFB] 610Mac OS X 10.5 2007-10-26 [APL] 611OpenBSD 4.2 2007-11-01 [OBD] 612NetBSD 4.0 2007-12-19 [NBD] 613FreeBSD 6.3 2008-01-18 [FBD] 614DragonFly 1.12.0 2008-02-26 [DFB] 615FreeBSD 7.0 2008-02-27 [FBD] 616OpenBSD 4.3 2008-05-01 [OBD] 617DragonFly 2.0.0 2008-07-21 [DFB] 618OpenBSD 4.4 2008-11-01 [OBD] 619FreeBSD 6.4 2008-11-28 [FBD] 620FreeBSD 7.1 2009-01-04 [FBD] 621DragonFly 2.2.0 2009-02-17 [DFB] 622NetBSD 5.0 2009-04-29 [NBD] 623OpenBSD 4.5 2009-05-01 [OBD] 624FreeBSD 7.2 2009-05-04 [FBD] 625Mac OS X 10.6 2009-06-08 [APL] 626NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 627DragonFly 2.4.0 2009-09-16 [DFB] 628OpenBSD 4.6 2009-10-18 [OBD] 629FreeBSD 8.0 2009-11-26 [FBD] 630NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 631FreeBSD 7.3 2010-03-23 [FBD] 632DragonFly 2.6.0 2010-03-28 [DFB] 633OpenBSD 4.7 2010-05-19 [OBD] 634FreeBSD 8.1 2010-07-24 [FBD] 635DragonFly 2.8.2 2010-10-30 [DFB] 636OpenBSD 4.8 2010-11-01 [OBD] 637NetBSD 5.1 2010-11-19 [NBD] 638FreeBSD 7.4 2011-02-24 [FBD] 639FreeBSD 8.2 2011-02-24 [FBD] 640DragonFly 2.10.1 2011-04-26 [DFB] 641OpenBSD 4.9 2011-05-01 [OBD] 642Mac OS X 10.7 2011-07-20 [APL] 643OpenBSD 5.0 2011-11-01 [OBD] 644FreeBSD 9.0 2012-01-12 [FBD] 645NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 646DragonFly 3.0.1 2012-02-21 [DFB] 647FreeBSD 8.3 2012-04-18 [FBD] 648OpenBSD 5.1 2012-05-01 [OBD] 649Mac OS X 10.8 2012-07-25 [APL] 650NetBSD 6.0 2012-10-17 [NBD] 651OpenBSD 5.2 2012-11-01 [OBD] 652DragonFly 3.2.1 2012-11-02 [DFB] 653NetBSD 5.2 2012-12-03 [NBD] 654NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 655FreeBSD 9.1 2012-12-30 [FBD] 656DragonFly 3.4.1 2013-04-29 [DFB] 657OpenBSD 5.3 2013-05-01 [OBD] 658NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 659NetBSD 6.1 2013-05-18 [NBD] 660FreeBSD 8.4 2013-06-07 [FBD] 661NetBSD 6.1.1 2013-08-22 [NBD] 662NetBSD 5.1.3 2013-09-29 [NBD] 663NetBSD 5.2.1 2013-09-29 [NBD] 664FreeBSD 9.2 2013-09-30 [FBD] 665NetBSD 6.0.3 2013-09-30 [NBD] 666NetBSD 6.1.2 2013-09-30 [NBD] 667Mac OS X 10.9 2013-10-22 [APL] 668OpenBSD 5.4 2013-11-01 [OBD] 669DragonFly 3.6.0 2013-11-25 [DFB] 670FreeBSD 10.0 2014-01-20 [FBD] 671NetBSD 5.1.4 2014-01-25 [NBD] 672NetBSD 5.2.2 2014-01-25 [NBD] 673NetBSD 6.0.4 2014-01-25 [NBD] 674NetBSD 6.1.3 2014-01-25 [NBD] 675DragonFly 3.6.1 2014-02-22 [DFB] 676DragonFly 3.6.2 2014-04-10 [DFB] 677NetBSD 6.0.5 2014-04-12 [NDB] 678NetBSD 6.1.4 2014-04-12 [NDB] 679OpenBSD 5.5 2014-05-01 [OBD] 680DragonFly 3.8.0 2014-06-04 [DFB] 681DragonFly 3.8.1 2014-06-16 [DFB] 682DragonFly 3.6.3 2014-06-17 [DFB] 683FreeBSD 9.3 2014-07-05 [FBD] 684DragonFly 3.8.2 2014-08-08 [DFB] 685NetBSD 6.1.5 2014-09-22 [NBD] 686Mac OS X 10.10 2014-10-16 [APL] 687OpenBSD 5.6 2014-11-01 [OBD] 688FreeBSD 10.1 2014-11-14 [FBD] 689DragonFly 4.0.1 2014-11-25 [DFB] 690DragonFly 4.0.2 2015-01-07 [DFB] 691DragonFly 4.0.3 2015-01-21 [DFB] 692DragonFly 4.0.4 2015-03-09 [DFB] 693DragonFly 4.0.5 2015-03-23 [DFB] 694OpenBSD 5.7 2015-05-01 [OBD] 695DragonFly 4.2.0 2015-06-29 [DFB] 696FreeBSD 10.2 2015-08-13 [FBD] 697NetBSD 7.0 2015-09-25 [NBD] 698OS X 10.11 2015-09-30 [APL] 699OpenBSD 5.8 2015-10-18 [OBD] 700DragonFly 4.4.1 2015-12-07 [DFB] 701OpenBSD 5.9 2016-03-29 [OBD] 702FreeBSD 10.3 2016-04-04 [FBD] 703NetBSD 7.0.1 2016-05-22 [NBD] 704DragonFly 4.6.0 2016-08-02 [DFB] 705OpenBSD 6.0 2016-09-01 [OBD] 706FreeBSD 11.0 2016-10-10 [FBD] 707 708Bibliography 709------------------------ 710 711Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 712Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 713System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 714 715Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 716Company, Inc., 1994. ISBN 0-201-54777-5 717 718McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 719Quarterman. The Design and Implementation of the 4.4BSD Operating 720System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 721 722McKusick, Marshall Kirk, George Neville-Neil. The Design and 723Implementation of the FreeBSD Operating System. 724Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 725 726McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The 727Design and Implementation of the FreeBSD Operating System, 2nd Edition. 728Pearson Education, Inc., 2014. ISBN 0-321-96897-2 729 730Doug McIlroy. Research Unix Reader. 731 732Michael G. Brown. The Role of BSD in the Development of Unix. 733Presented to the Tasmanian Unix Special Interest Group of the 734Australian Computer Society, Hobart, August 1993. 735 736Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 737URL: http://www.byte.com/art/9410/sec8/art3.htm 738 739Andreas Klemm, Lars Köller. If you're going to San Francisco ... 740Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 741 742BSD Release Announcements collection. 743URL: http://www.FreeBSD.org/releases/ 744 745BSD Hypertext Man Pages 746URL: http://www.FreeBSD.org/cgi/man.cgi 747 748UNIX history graphing project 749URL: http://minnie.tuhs.org/Unix_History/index.html 750 751UNIX history 752URL: http://www.levenez.com/unix/ 753 754James Howard: The BSD Family Tree 755URL: http://ezine.daemonnews.org/200104/bsd_family.html 756("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 757 758 759Acknowledgments 760--------------- 761 762Josh Gilliam for suggestions, bug fixes, and finding very old 763original BSD announcements from Usenet or tapes. 764 765Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 766 767-- 768Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 769URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 770 771$FreeBSD$ 772