bsd-family-tree revision 1.62
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 | | macOS 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 | | | | | | | | 350 | | | | | | | | 351 *--FreeBSD | macOS | | | OpenBSD 6.0 | 352 | 11.0 | 10.12 | | NetBSD 7.0.2 | | 353 | | | | | | | | 354 | | | | | *- NetBSD 7.1 | | 355 | | | macOS | | DragonFly 4.8.0 356 | | | 10.13 | OpenBSD 6.1 | 357 | FreeBSD | | | | | 358 | 11.1 FreeBSD | | | | 359 | | 10.4 | | OpenBSD 6.2 | 360 | v | | | DragonFly 5.0.0 361 | | | | | 362FreeBSD 12 -current | NetBSD -current OpenBSD -current DragonFly -current 363 | | | | | 364 v v v v v 365 366Time 367---------------- 368 369Time tolerance +/- 6 months, depending on which book/article you read; if it 370was the announcement in Usenet or if it was available as tape. 371 372[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 373 and John Quarterman. The Design and Implementation of 374 the 4.4BSD Operating System. 375[APL] Apple website [https://www.apple.com/macosx/] 376[BSDI] Berkeley Software Design, Inc. 377[DFB] DragonFlyBSD Project, The. 378[DOC] README, COPYRIGHT on tape. 379[FBD] FreeBSD Project, The. 380[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 381 Volume 11, Info 4, April, 1987. 382[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 383 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 384[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 385 Changes in the Kernel in 2.9BSD. Second Berkeley Software 386 Distribution UNIX Version 2.9, July, 1983. 387[NBD] NetBSD Project, The. 388[OBD] OpenBSD Project, The. 389[QCU] Salus, Peter H. A quarter century of UNIX. 390[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 391[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 392[USE] Usenet announcement. 393[WRS] Wind River Systems, Inc. 394[dmr] Dennis Ritchie, via E-Mail 395 396Multics 1965 397UNIX Summer 1969 398 DEC PDP-7 399First Edition 1971-11-03 [QCU] 400 DEC PDP-11/20, Assembler 401Second Edition 1972-06-12 [QCU] 402 10 UNIX installations 403Third Edition 1973-02-xx [QCU] 404 Pipes, 16 installations 405Fourth Edition 1973-11-xx [QCU] 406 rewriting in C effected, 407 above 30 installations 408Fifth Edition 1974-06-xx [QCU] 409 above 50 installations 410Sixth Edition 1975-05-xx [QCU] 411 port to DEC Vax 412Seventh Edition 1979-01-xx [QCU] 1979-01-10 [TUHS] 413 first portable UNIX 414Eighth Edition 1985-02-xx [QCU] 415 VAX 11/750, VAX 11/780 [dmr] 416 descended from 4.1c BSD [dmr] 417 descended from 4.1 BSD [44B] 418 scooping-out and replacement of the character-device 419 and networking part by the streams mechanism 420 421Ninth Edition 1986-09-xx [QCU] 422Tenth Edition 1989-10-xx [QCU] 423 4241BSD late 1977 425 1978-03-09 [QCU] 426 PDP-11, Pascal, ex(1) 427 30 free copies of 1BSD sent out 428 35 tapes sold for 50 USD [QCU] 4292BSD mid 1978 [QCU] 1979-05-10 [TUHS] 430 75 2BSD tapes shipped 4312.79BSD 1980-04-xx [TUHS] 4322.8BSD 1981-07-xx [KSJ] 433 4342.8.1BSD 1982-01-xx [QCU] 435 set of performance improvements 4362.9BSD 1983-07-xx [KSJ] 4372.9.1BSD 1983-11-xx [TUHS] 4382.9BSD-Seismo 1985-08-xx [SMS] 4392.10BSD 1987-04-xx [KKK] 4402.10.1BSD 1989-01-xx [SMS] 4412.11BSD 1992-02-xx [SMS] 4422.11BSD rev #430 1999-12-13 [SMS] 443 44432V 1978-1[01]-xx [QCU] 1979-03-26 [TUHS] 4453BSD late 1979 [QCU] March 1980 [TUHS] 446 virtual memory, page replacement, 447 demand paging 4484.0BSD 1980-10-xx 4494.1BSD 1981-07-08 [DOC] 4504.1aBSD 1982-04-xx 451 alpha release, 100 sites, networking [44B] 4524.1bBSD internal release, fast filesystem [44B] 4534.1cBSD late 1982 454 beta release, IPC [44B] 4554.2BSD 1983-09-xx [QCU] 456 1983-08-03 [DOC] 4574.3BSD 1986-06-xx [QCU] 458 1986-04-05 [KB], [DOC] 4594.3BSD Tahoe 1988-06-15 [QCU], [DOC] 4604.3BSD NET/1 1988-11-xx [QCU] 461 1989-01-01 [DOC] 4624.3BSD Reno 1990-06-29 [QCU], [DOC] 4634.3BSD NET/2 1991-06-28 [QCU], [DOC] 464 465BSD/386 ALPHA 1991-12-xx [BSDI] 466 first code released to people outside BSDI 467386BSD 0.0 1992-02-xx [DOC] 468BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 469BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 470386BSD 0.1 1992-07-28 [DOC] 4714.4BSD Alpha 1992-07-07 472BSD/386 0.9.3 1992-10-xx [BSDI] 473 first external gamma; G customers 474BSD/386 0.9.4 1992-12-xx [BSDI] 475 would have been 1.0 except for request 476 for preliminary injunction 477BSD/386 1.0 1993-03-xx [BSDI] 478 injunction denied; first official release 479NetBSD 0.8 1993-04-20 [NBD] 4804.4BSD 1993-06-01 [USE] 481NetBSD 0.9 1993-08-23 [NBD] 482FreeBSD 1.0 1993-11-01 [FBD] 483FreeBSD 1.0.2 1993-11-14 [FBD] 484 supersedes 1.0 13 days after release. 485BSD/386 1.1 1994-02-xx [BSDI] 4864.4BSD Lite 1994-03-01 [USE] 487FreeBSD 1.1 1994-05-07 [FBD] 488FreeBSD 1.1.5 1994-06-30 [FBD] 489FreeBSD 1.1.5.1 1994-07-05 [FBD] 490 supersedes 1.1.5 5 days after release. 491NetBSD 1.0 1994-10-26 [NBD] 492386BSD 1.0 1994-11-12 [USE] 493FreeBSD 2.0 1994-11-23 [FBD] 494BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 495FreeBSD 2.0.5 1995-06-10 [FBD] 496BSD/OS 2.0.1 1995-06-xx [BSDI] 4974.4BSD Lite Release 2 1995-06-xx [44B] 498 the true final distribution from the CSRG 499FreeBSD 2.1.0 1995-11-19 [FBD] 500NetBSD 1.1 1995-11-26 [NBD] 501BSD/OS 2.1 1996-01-xx [BSDI] 502FreeBSD 2.1.5 1996-07-14 [FBD] 503NetBSD 1.2 1996-10-04 [NBD] 504OpenBSD 2.0 1996-10-18 [OBD] 505FreeBSD 2.1.6 1996-11-16 [FBD] 506FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 507Rhapsody 1997-xx-xx 508FreeBSD 2.1.7 1997-02-20 [FBD] 509BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 510FreeBSD 2.2.0 1997-03-16 [FBD] 511FreeBSD 2.2.1 1997-03-25 [FBD] 512FreeBSD 2.2.2 1997-05-16 [FBD] 513NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 514OpenBSD 2.1 1997-06-01 [OBD] 515FreeBSD 2.2.5 1997-10-22 [FBD] 516OpenBSD 2.2 1997-12-01 [OBD] 517NetBSD 1.3 1998-01-04 [NBD] 518FreeBSD 2.2.6 1998-03-25 [FBD] 519NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 520BSD/OS 3.1 1998-03-xx [BSDI] 521OpenBSD 2.3 1998-05-19 [OBD] 522NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 523FreeBSD 2.2.7 1998-07-22 [FBD] 524BSD/OS 4.0 1998-08-xx [BSDI] 525 2-lock MP support, ELF executables 526FreeBSD 3.0 1998-10-16 [FBD] 527 FreeBSD-3.0 is a snapshot from -current, 528 while 3.1 and 3.2 are from 3.x-stable which 529 was branched quite some time after 3.0-release 530FreeBSD 2.2.8 1998-11-29 [FBD] 531OpenBSD 2.4 1998-12-01 [OBD] 532NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 533FreeBSD 3.1 1999-02-15 [FBD] 534BSD/OS 4.0.1 1999-03-xx [BSDI] 535NetBSD 1.4 1999-05-12 [NBD] 536FreeBSD 3.2 1999-05-17 [FBD] 537OpenBSD 2.5 1999-05-19 [OBD] 538NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 539FreeBSD 3.3 1999-09-17 [FBD] 540OpenBSD 2.6 1999-12-01 [OBD] 541FreeBSD 3.4 1999-12-20 [FBD] 542BSD/OS 4.1 1999-12-xx [BSDI] 543FreeBSD 4.0 2000-03-13 [FBD] 544NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 545OpenBSD 2.7 2000-06-15 [OBD] 546FreeBSD 3.5 2000-06-24 [FBD] 547FreeBSD 4.1 2000-07-27 [FBD] 548FreeBSD 3.5.1 2000-07-28 [FBD] 549FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 550FreeBSD 4.2 2000-11-21 [FBD] 551NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 552BSD/OS 4.2 2000-11-29 [BSDI] 553OpenBSD 2.8 2000-12-01 [OBD] 554NetBSD 1.5 2000-12-06 [NBD] 555Mac OS X 10.0 2001-03-24 [APL] 556FreeBSD 4.3 2001-04-20 [FBD] 557OpenBSD 2.9 2001-06-01 [OBD] 558NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 559NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 560FreeBSD 4.4 2001-09-18 [FBD] 561Mac OS X 10.1 2001-09-29 [APL] 562OpenBSD 3.0 2001-12-01 [OBD] 563FreeBSD 4.5 2002-01-29 [FBD] 564BSD/OS 4.3 2002-03-14 [WRS] 565OpenBSD 3.1 2002-05-19 [OBD] 566FreeBSD 4.6 2002-06-15 [FBD] 567NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 568FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 569Mac OS X 10.2 2002-08-23 [APL] 570NetBSD 1.6 2002-09-14 [NBD] 571FreeBSD 4.7 2002-10-08 [FBD] 572OpenBSD 3.2 2002-11-01 [OBD] 573FreeBSD 5.0 2003-01-17 [FBD] 574 FreeBSD 5.0 is a separate branch off of 575 -current, similar to 3.0. 576FreeBSD 4.8 2003-04-03 [FBD] 577NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 578OpenBSD 3.3 2003-05-01 [OBD] 579BSD/OS 5.0 2003-05-?? [WRS] 580FreeBSD 5.1 2003-06-09 [FBD] 581Mac OS X 10.3 2003-10-24 [APL] 582FreeBSD 4.9 2003-10-28 [FBD] 583BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 584OpenBSD 3.4 2003-11-01 [OBD] 585FreeBSD 5.2 2004-01-12 [FBD] 586FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 587NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 588OpenBSD 3.5 2004-04-01 [OBD] 589FreeBSD 4.10 2004-05-27 [FBD] 590DragonFly 1.0 2004-07-12 [DFB] 591OpenBSD 3.6 2004-10-29 [OBD] 592FreeBSD 5.3 2004-11-06 [FBD] 593NetBSD 2.0 2004-12-09 [NBD] 594FreeBSD 4.11 2005-01-25 [FBD] 595DragonFly 1.2.0 2005-04-08 [DFB] 596NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 597Mac OS X 10.4 2005-04-29 [APL] 598FreeBSD 5.4 2005-05-09 [FBD] 599OpenBSD 3.7 2005-05-19 [OBD] 600NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 601OpenBSD 3.8 2005-11-01 [OBD] 602FreeBSD 6.0 2005-11-01 [FBD] 603NetBSD 2.1 2005-11-02 [NBD] 604NetBSD 3.0 2005-12-23 [NBD] 605DragonFly 1.4.0 2006-01-08 [DFB] 606FreeBSD 2.2.9 2006-04-01 [FBD] 607OpenBSD 3.9 2006-05-01 [OBD] 608FreeBSD 6.1 2006-05-08 [FBD] 609FreeBSD 5.5 2006-05-25 [FBD] 610NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 611DragonFly 1.6.0 2006-07-24 [DFB] 612OpenBSD 4.0 2006-11-01 [OBD] 613NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 614NetBSD 3.1 2006-11-04 [NBD] 615FreeBSD 6.2 2007-01-15 [FBD] 616DragonFly 1.8.0 2007-01-30 [DFB] 617OpenBSD 4.1 2007-05-01 [OBD] 618DragonFly 1.10.0 2007-08-06 [DFB] 619Mac OS X 10.5 2007-10-26 [APL] 620OpenBSD 4.2 2007-11-01 [OBD] 621NetBSD 4.0 2007-12-19 [NBD] 622FreeBSD 6.3 2008-01-18 [FBD] 623DragonFly 1.12.0 2008-02-26 [DFB] 624FreeBSD 7.0 2008-02-27 [FBD] 625OpenBSD 4.3 2008-05-01 [OBD] 626DragonFly 2.0.0 2008-07-21 [DFB] 627OpenBSD 4.4 2008-11-01 [OBD] 628FreeBSD 6.4 2008-11-28 [FBD] 629FreeBSD 7.1 2009-01-04 [FBD] 630DragonFly 2.2.0 2009-02-17 [DFB] 631NetBSD 5.0 2009-04-29 [NBD] 632OpenBSD 4.5 2009-05-01 [OBD] 633FreeBSD 7.2 2009-05-04 [FBD] 634Mac OS X 10.6 2009-06-08 [APL] 635NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 636DragonFly 2.4.0 2009-09-16 [DFB] 637OpenBSD 4.6 2009-10-18 [OBD] 638FreeBSD 8.0 2009-11-26 [FBD] 639NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 640FreeBSD 7.3 2010-03-23 [FBD] 641DragonFly 2.6.0 2010-03-28 [DFB] 642OpenBSD 4.7 2010-05-19 [OBD] 643FreeBSD 8.1 2010-07-24 [FBD] 644DragonFly 2.8.2 2010-10-30 [DFB] 645OpenBSD 4.8 2010-11-01 [OBD] 646NetBSD 5.1 2010-11-19 [NBD] 647FreeBSD 7.4 2011-02-24 [FBD] 648FreeBSD 8.2 2011-02-24 [FBD] 649DragonFly 2.10.1 2011-04-26 [DFB] 650OpenBSD 4.9 2011-05-01 [OBD] 651Mac OS X 10.7 2011-07-20 [APL] 652OpenBSD 5.0 2011-11-01 [OBD] 653FreeBSD 9.0 2012-01-12 [FBD] 654NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 655DragonFly 3.0.1 2012-02-21 [DFB] 656FreeBSD 8.3 2012-04-18 [FBD] 657OpenBSD 5.1 2012-05-01 [OBD] 658Mac OS X 10.8 2012-07-25 [APL] 659NetBSD 6.0 2012-10-17 [NBD] 660OpenBSD 5.2 2012-11-01 [OBD] 661DragonFly 3.2.1 2012-11-02 [DFB] 662NetBSD 5.2 2012-12-03 [NBD] 663NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 664FreeBSD 9.1 2012-12-30 [FBD] 665DragonFly 3.4.1 2013-04-29 [DFB] 666OpenBSD 5.3 2013-05-01 [OBD] 667NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 668NetBSD 6.1 2013-05-18 [NBD] 669FreeBSD 8.4 2013-06-07 [FBD] 670NetBSD 6.1.1 2013-08-22 [NBD] 671NetBSD 5.1.3 2013-09-29 [NBD] 672NetBSD 5.2.1 2013-09-29 [NBD] 673FreeBSD 9.2 2013-09-30 [FBD] 674NetBSD 6.0.3 2013-09-30 [NBD] 675NetBSD 6.1.2 2013-09-30 [NBD] 676Mac OS X 10.9 2013-10-22 [APL] 677OpenBSD 5.4 2013-11-01 [OBD] 678DragonFly 3.6.0 2013-11-25 [DFB] 679FreeBSD 10.0 2014-01-20 [FBD] 680NetBSD 5.1.4 2014-01-25 [NBD] 681NetBSD 5.2.2 2014-01-25 [NBD] 682NetBSD 6.0.4 2014-01-25 [NBD] 683NetBSD 6.1.3 2014-01-25 [NBD] 684DragonFly 3.6.1 2014-02-22 [DFB] 685DragonFly 3.6.2 2014-04-10 [DFB] 686NetBSD 6.0.5 2014-04-12 [NDB] 687NetBSD 6.1.4 2014-04-12 [NDB] 688OpenBSD 5.5 2014-05-01 [OBD] 689DragonFly 3.8.0 2014-06-04 [DFB] 690DragonFly 3.8.1 2014-06-16 [DFB] 691DragonFly 3.6.3 2014-06-17 [DFB] 692FreeBSD 9.3 2014-07-05 [FBD] 693DragonFly 3.8.2 2014-08-08 [DFB] 694NetBSD 6.1.5 2014-09-22 [NBD] 695Mac OS X 10.10 2014-10-16 [APL] 696OpenBSD 5.6 2014-11-01 [OBD] 697FreeBSD 10.1 2014-11-14 [FBD] 698DragonFly 4.0.1 2014-11-25 [DFB] 699DragonFly 4.0.2 2015-01-07 [DFB] 700DragonFly 4.0.3 2015-01-21 [DFB] 701DragonFly 4.0.4 2015-03-09 [DFB] 702DragonFly 4.0.5 2015-03-23 [DFB] 703OpenBSD 5.7 2015-05-01 [OBD] 704DragonFly 4.2.0 2015-06-29 [DFB] 705FreeBSD 10.2 2015-08-13 [FBD] 706NetBSD 7.0 2015-09-25 [NBD] 707OS X 10.11 2015-09-30 [APL] 708OpenBSD 5.8 2015-10-18 [OBD] 709DragonFly 4.4.1 2015-12-07 [DFB] 710OpenBSD 5.9 2016-03-29 [OBD] 711FreeBSD 10.3 2016-04-04 [FBD] 712NetBSD 7.0.1 2016-05-22 [NBD] 713DragonFly 4.6.0 2016-08-02 [DFB] 714OpenBSD 6.0 2016-09-01 [OBD] 715macOS 10.12 2016-09-20 [APL] 716NetBSD 7.0.2 2016-10-21 [NBD] 717FreeBSD 11.0 2016-10-10 [FBD] 718NetBSD 7.1 2017-03-11 [NBD] 719DragonFly 4.8.0 2017-03-27 [DFB] 720OpenBSD 6.1 2017-04-11 [OBD] 721FreeBSD 11.1 2017-07-26 [FBD] 722macOS 10.13 2017-09-25 [APL] 723FreeBSD 10.4 2017-10-03 [FBD] 724OpenBSD 6.2 2017-10-09 [OBD] 725DragonFly 5.0.0 2017-10-16 [DFB] 726 727Bibliography 728------------------------ 729 730Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 731Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 732System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 733 734Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 735Company, Inc., 1994. ISBN 0-201-54777-5 736 737McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 738Quarterman. The Design and Implementation of the 4.4BSD Operating 739System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 740 741McKusick, Marshall Kirk, George Neville-Neil. The Design and 742Implementation of the FreeBSD Operating System. 743Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 744 745McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The 746Design and Implementation of the FreeBSD Operating System, 2nd Edition. 747Pearson Education, Inc., 2014. ISBN 0-321-96897-2 748 749Doug McIlroy. Research Unix Reader. 750 751Michael G. Brown. The Role of BSD in the Development of Unix. 752Presented to the Tasmanian Unix Special Interest Group of the 753Australian Computer Society, Hobart, August 1993. 754 755Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 756URL: http://www.byte.com/art/9410/sec8/art3.htm 757 758Andreas Klemm, Lars Köller. If you're going to San Francisco ... 759Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 760 761BSD Release Announcements collection. 762URL: https://www.FreeBSD.org/releases/ 763 764BSD Hypertext Man Pages 765URL: https://www.FreeBSD.org/cgi/man.cgi 766 767UNIX history graphing project 768URL: http://minnie.tuhs.org/Unix_History/index.html 769 770UNIX history 771URL: http://www.levenez.com/unix/ 772 773James Howard: The BSD Family Tree 774URL: http://ezine.daemonnews.org/200104/bsd_family.html 775("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 776 777 778Acknowledgments 779--------------- 780 781Josh Gilliam for suggestions, bug fixes, and finding very old 782original BSD announcements from Usenet or tapes. 783 784Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 785 786-- 787Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 788URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 789 790$FreeBSD: head/share/misc/bsd-family-tree 326724 2017-12-09 05:05:25Z imp $ 791$NetBSD: bsd-family-tree,v 1.62 2017/12/14 10:34:06 maya Exp $ 792