bsd-family-tree revision 1.56.6.2
1 The UNIX system family tree: Research and BSD 2 --------------------------------------------- 3 4 First Edition (V1) 5 | 6 Second Edition (V2) 7 | 8 Third Edition (V3) 9 | 10 Fourth Edition (V4) 11 | 12 Fifth Edition (V5) 13 | 14 Sixth Edition (V6) -----* 15 \ | 16 \ | 17 \ | 18 Seventh 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 / | | 38 Eighth Edition | 2.9BSD-Seismo 39 | | | 40 +----<--- 4.2BSD 2.9.1BSD 41 | | | 42 +----<--- 4.3BSD -------------> 2.10BSD 43 | | / | 44 Ninth Edition | / 2.10.1BSD 45 | 4.3BSD Tahoe-----+ | 46 | | \ | 47 | | \ | 48 v | 2.11BSD 49 Tenth Edition | | 50 | 2.11BSD rev #430 51 4.3BSD NET/1 | 52 | v 53 4.3BSD Reno 54 | 55 *---------- 4.3BSD NET/2 -------------------+-------------* 56 | | | | 57 386BSD 0.0 | | BSD/386 ALPHA 58 | | | | 59 386BSD 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 | / | | | 67 FreeBSD 1.0 <-----' NetBSD 0.9 | BSD/386 1.1 68 | | .----- 4.4BSD Lite | 69 FreeBSD 1.1 | / / | \ | 70 | | / / | \ | 71 FreeBSD 1.1.5 .---|--------' / | \ | 72 | / | / | \ | 73 FreeBSD 1.1.5.1 / | / | \ | 74 | / NetBSD 1.0 <-' | \ | 75 | / | | \ | 76 FreeBSD 2.0 <--' | | BSD/OS 2.0 77 | \ | | 78 FreeBSD 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 | 85 FreeBSD 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 | | | | | | | 118 FreeBSD 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 4.1 130 FreeBSD 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 | | | | \ 177 FreeBSD 5.0 | | | | 178 | | | | | 179 FreeBSD 5.1 | | | DragonFly 1.0 180 | \ | | | | 181 | ----- Mac OS X | | | 182 | 10.3 | | | 183 FreeBSD 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 | | | | | 350 | | | | | 351 *--FreeBSD macOS | OpenBSD 6.0 | 352 | 11.0 10.12 | | | 353 | | NetBSD 7.1 | | 354 | | | | DragonFly 4.8.0 355 | | | | | 356 FreeBSD 12 -current | NetBSD -current OpenBSD -current DragonFly -current 357 | | | | | 358 v v v v v 359 360 Time 361 ---------------- 362 363 Time tolerance +/- 6 months, depending on which book/article you read; if it 364 was the announcement in Usenet or if it was available as tape. 365 366 [44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 367 and John Quarterman. The Design and Implementation of 368 the 4.4BSD Operating System. 369 [APL] Apple website [http://www.apple.com/macosx/] 370 [BSDI] Berkeley Software Design, Inc. 371 [DFB] DragonFlyBSD Project, The. 372 [DOC] README, COPYRIGHT on tape. 373 [FBD] FreeBSD Project, The. 374 [KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 375 Volume 11, Info 4, April, 1987. 376 [KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 377 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 378 [KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 379 Changes in the Kernel in 2.9BSD. Second Berkeley Software 380 Distribution UNIX Version 2.9, July, 1983. 381 [NBD] NetBSD Project, The. 382 [OBD] OpenBSD Project, The. 383 [QCU] Salus, Peter H. A quarter century of UNIX. 384 [SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 385 [TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 386 [USE] Usenet announcement. 387 [WRS] Wind River Systems, Inc. 388 [dmr] Dennis Ritchie, via E-Mail 389 390 Multics 1965 391 UNIX Summer 1969 392 DEC PDP-7 393 First Edition 1971-11-03 [QCU] 394 DEC PDP-11/20, Assembler 395 Second Edition 1972-06-12 [QCU] 396 10 UNIX installations 397 Third Edition 1973-02-xx [QCU] 398 Pipes, 16 installations 399 Fourth Edition 1973-11-xx [QCU] 400 rewriting in C effected, 401 above 30 installations 402 Fifth Edition 1974-06-xx [QCU] 403 above 50 installations 404 Sixth Edition 1975-05-xx [QCU] 405 port to DEC Vax 406 Seventh Edition 1979-01-xx [QCU] 407 first portable UNIX 408 Eighth Edition 1985-02-xx [QCU] 409 VAX 11/750, VAX 11/780 [dmr] 410 descended from 4.1c BSD [dmr] 411 descended from 4.1 BSD [44B] 412 scooping-out and replacement of the character-device 413 and networking part by the streams mechanism 414 415 Ninth Edition 1986-09-xx [QCU] 416 Tenth Edition 1989-10-xx [QCU] 417 418 1BSD late 1977 419 1978-03-09 [QCU] 420 PDP-11, Pascal, ex(1) 421 30 free copies of 1BSD sent out 422 35 tapes sold for 50 USD [QCU] 423 2BSD mid 1978 [QCU] 1979-05-10 [TUHS] 424 75 2BSD tapes shipped 425 2.79BSD 1980-04-xx [TUHS] 426 2.8BSD 1981-07-xx [KSJ] 427 428 2.8.1BSD 1982-01-xx [QCU] 429 set of performance improvements 430 2.9BSD 1983-07-xx [KSJ] 431 2.9.1BSD 1983-11-xx [TUHS] 432 2.9BSD-Seismo 1985-08-xx [SMS] 433 2.10BSD 1987-04-xx [KKK] 434 2.10.1BSD 1989-01-xx [SMS] 435 2.11BSD 1992-02-xx [SMS] 436 2.11BSD rev #430 1999-12-13 [SMS] 437 438 32V 1978-1[01]-xx [QCU] 439 3BSD late 1979 [QCU] March 1980 [TUHS] 440 virtual memory, page replacement, 441 demand paging 442 4.0BSD 1980-10-xx 443 4.1BSD 1981-07-08 [DOC] 444 4.1aBSD 1982-04-xx 445 alpha release, 100 sites, networking [44B] 446 4.1bBSD internal release, fast filesystem [44B] 447 4.1cBSD late 1982 448 beta release, IPC [44B] 449 4.2BSD 1983-09-xx [QCU] 450 1983-08-03 [DOC] 451 4.3BSD 1986-06-xx [QCU] 452 1986-04-05 [KB], [DOC] 453 4.3BSD Tahoe 1988-06-15 [QCU], [DOC] 454 4.3BSD NET/1 1988-11-xx [QCU] 455 1989-01-01 [DOC] 456 4.3BSD Reno 1990-06-29 [QCU], [DOC] 457 4.3BSD NET/2 1991-06-28 [QCU], [DOC] 458 459 BSD/386 ALPHA 1991-12-xx [BSDI] 460 first code released to people outside BSDI 461 386BSD 0.0 1992-02-xx [DOC] 462 BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 463 BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 464 386BSD 0.1 1992-07-28 [DOC] 465 4.4BSD Alpha 1992-07-07 466 BSD/386 0.9.3 1992-10-xx [BSDI] 467 first external gamma; G customers 468 BSD/386 0.9.4 1992-12-xx [BSDI] 469 would have been 1.0 except for request 470 for preliminary injunction 471 BSD/386 1.0 1993-03-xx [BSDI] 472 injunction denied; first official release 473 NetBSD 0.8 1993-04-20 [NBD] 474 4.4BSD 1993-06-01 [USE] 475 NetBSD 0.9 1993-08-23 [NBD] 476 FreeBSD 1.0 1993-11-01 [FBD] 477 FreeBSD 1.0.2 1993-11-14 [FBD] 478 supersedes 1.0 13 days after release. 479 BSD/386 1.1 1994-02-xx [BSDI] 480 4.4BSD Lite 1994-03-01 [USE] 481 FreeBSD 1.1 1994-05-07 [FBD] 482 FreeBSD 1.1.5 1994-06-30 [FBD] 483 FreeBSD 1.1.5.1 1994-07-05 [FBD] 484 supersedes 1.1.5 5 days after release. 485 NetBSD 1.0 1994-10-26 [NBD] 486 386BSD 1.0 1994-11-12 [USE] 487 FreeBSD 2.0 1994-11-23 [FBD] 488 BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 489 FreeBSD 2.0.5 1995-06-10 [FBD] 490 BSD/OS 2.0.1 1995-06-xx [BSDI] 491 4.4BSD Lite Release 2 1995-06-xx [44B] 492 the true final distribution from the CSRG 493 FreeBSD 2.1.0 1995-11-19 [FBD] 494 NetBSD 1.1 1995-11-26 [NBD] 495 BSD/OS 2.1 1996-01-xx [BSDI] 496 FreeBSD 2.1.5 1996-07-14 [FBD] 497 NetBSD 1.2 1996-10-04 [NBD] 498 OpenBSD 2.0 1996-10-18 [OBD] 499 FreeBSD 2.1.6 1996-11-16 [FBD] 500 FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 501 Rhapsody 1997-xx-xx 502 FreeBSD 2.1.7 1997-02-20 [FBD] 503 BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 504 FreeBSD 2.2.0 1997-03-16 [FBD] 505 FreeBSD 2.2.1 1997-03-25 [FBD] 506 FreeBSD 2.2.2 1997-05-16 [FBD] 507 NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 508 OpenBSD 2.1 1997-06-01 [OBD] 509 FreeBSD 2.2.5 1997-10-22 [FBD] 510 OpenBSD 2.2 1997-12-01 [OBD] 511 NetBSD 1.3 1998-01-04 [NBD] 512 FreeBSD 2.2.6 1998-03-25 [FBD] 513 NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 514 BSD/OS 3.1 1998-03-xx [BSDI] 515 OpenBSD 2.3 1998-05-19 [OBD] 516 NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 517 FreeBSD 2.2.7 1998-07-22 [FBD] 518 BSD/OS 4.0 1998-08-xx [BSDI] 519 2-lock MP support, ELF executables 520 FreeBSD 3.0 1998-10-16 [FBD] 521 FreeBSD-3.0 is a snapshot from -current, 522 while 3.1 and 3.2 are from 3.x-stable which 523 was branched quite some time after 3.0-release 524 FreeBSD 2.2.8 1998-11-29 [FBD] 525 OpenBSD 2.4 1998-12-01 [OBD] 526 NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 527 FreeBSD 3.1 1999-02-15 [FBD] 528 BSD/OS 4.0.1 1999-03-xx [BSDI] 529 NetBSD 1.4 1999-05-12 [NBD] 530 FreeBSD 3.2 1999-05-17 [FBD] 531 OpenBSD 2.5 1999-05-19 [OBD] 532 NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 533 FreeBSD 3.3 1999-09-17 [FBD] 534 OpenBSD 2.6 1999-12-01 [OBD] 535 FreeBSD 3.4 1999-12-20 [FBD] 536 BSD/OS 4.1 1999-12-xx [BSDI] 537 FreeBSD 4.0 2000-03-13 [FBD] 538 NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 539 OpenBSD 2.7 2000-06-15 [OBD] 540 FreeBSD 3.5 2000-06-24 [FBD] 541 FreeBSD 4.1 2000-07-27 [FBD] 542 FreeBSD 3.5.1 2000-07-28 [FBD] 543 FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 544 FreeBSD 4.2 2000-11-21 [FBD] 545 NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 546 BSD/OS 4.2 2000-11-29 [BSDI] 547 OpenBSD 2.8 2000-12-01 [OBD] 548 NetBSD 1.5 2000-12-06 [NBD] 549 Mac OS X 10.0 2001-03-24 [APL] 550 FreeBSD 4.3 2001-04-20 [FBD] 551 OpenBSD 2.9 2001-06-01 [OBD] 552 NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 553 NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 554 FreeBSD 4.4 2001-09-18 [FBD] 555 Mac OS X 10.1 2001-09-29 [APL] 556 OpenBSD 3.0 2001-12-01 [OBD] 557 FreeBSD 4.5 2002-01-29 [FBD] 558 BSD/OS 4.3 2002-03-14 [WRS] 559 OpenBSD 3.1 2002-05-19 [OBD] 560 FreeBSD 4.6 2002-06-15 [FBD] 561 NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 562 FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 563 Mac OS X 10.2 2002-08-23 [APL] 564 NetBSD 1.6 2002-09-14 [NBD] 565 FreeBSD 4.7 2002-10-08 [FBD] 566 OpenBSD 3.2 2002-11-01 [OBD] 567 FreeBSD 5.0 2003-01-17 [FBD] 568 FreeBSD 5.0 is a separate branch off of 569 -current, similar to 3.0. 570 FreeBSD 4.8 2003-04-03 [FBD] 571 NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 572 OpenBSD 3.3 2003-05-01 [OBD] 573 BSD/OS 5.0 2003-05-?? [WRS] 574 FreeBSD 5.1 2003-06-09 [FBD] 575 Mac OS X 10.3 2003-10-24 [APL] 576 FreeBSD 4.9 2003-10-28 [FBD] 577 BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 578 OpenBSD 3.4 2003-11-01 [OBD] 579 FreeBSD 5.2 2004-01-12 [FBD] 580 FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 581 NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 582 OpenBSD 3.5 2004-04-01 [OBD] 583 FreeBSD 4.10 2004-05-27 [FBD] 584 DragonFly 1.0 2004-07-12 [DFB] 585 OpenBSD 3.6 2004-10-29 [OBD] 586 FreeBSD 5.3 2004-11-06 [FBD] 587 NetBSD 2.0 2004-12-09 [NBD] 588 FreeBSD 4.11 2005-01-25 [FBD] 589 DragonFly 1.2.0 2005-04-08 [DFB] 590 NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 591 Mac OS X 10.4 2005-04-29 [APL] 592 FreeBSD 5.4 2005-05-09 [FBD] 593 OpenBSD 3.7 2005-05-19 [OBD] 594 NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 595 OpenBSD 3.8 2005-11-01 [OBD] 596 FreeBSD 6.0 2005-11-01 [FBD] 597 NetBSD 2.1 2005-11-02 [NBD] 598 NetBSD 3.0 2005-12-23 [NBD] 599 DragonFly 1.4.0 2006-01-08 [DFB] 600 FreeBSD 2.2.9 2006-04-01 [FBD] 601 OpenBSD 3.9 2006-05-01 [OBD] 602 FreeBSD 6.1 2006-05-08 [FBD] 603 FreeBSD 5.5 2006-05-25 [FBD] 604 NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 605 DragonFly 1.6.0 2006-07-24 [DFB] 606 OpenBSD 4.0 2006-11-01 [OBD] 607 NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 608 NetBSD 3.1 2006-11-04 [NBD] 609 FreeBSD 6.2 2007-01-15 [FBD] 610 DragonFly 1.8.0 2007-01-30 [DFB] 611 OpenBSD 4.1 2007-05-01 [OBD] 612 DragonFly 1.10.0 2007-08-06 [DFB] 613 Mac OS X 10.5 2007-10-26 [APL] 614 OpenBSD 4.2 2007-11-01 [OBD] 615 NetBSD 4.0 2007-12-19 [NBD] 616 FreeBSD 6.3 2008-01-18 [FBD] 617 DragonFly 1.12.0 2008-02-26 [DFB] 618 FreeBSD 7.0 2008-02-27 [FBD] 619 OpenBSD 4.3 2008-05-01 [OBD] 620 DragonFly 2.0.0 2008-07-21 [DFB] 621 OpenBSD 4.4 2008-11-01 [OBD] 622 FreeBSD 6.4 2008-11-28 [FBD] 623 FreeBSD 7.1 2009-01-04 [FBD] 624 DragonFly 2.2.0 2009-02-17 [DFB] 625 NetBSD 5.0 2009-04-29 [NBD] 626 OpenBSD 4.5 2009-05-01 [OBD] 627 FreeBSD 7.2 2009-05-04 [FBD] 628 Mac OS X 10.6 2009-06-08 [APL] 629 NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 630 DragonFly 2.4.0 2009-09-16 [DFB] 631 OpenBSD 4.6 2009-10-18 [OBD] 632 FreeBSD 8.0 2009-11-26 [FBD] 633 NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 634 FreeBSD 7.3 2010-03-23 [FBD] 635 DragonFly 2.6.0 2010-03-28 [DFB] 636 OpenBSD 4.7 2010-05-19 [OBD] 637 FreeBSD 8.1 2010-07-24 [FBD] 638 DragonFly 2.8.2 2010-10-30 [DFB] 639 OpenBSD 4.8 2010-11-01 [OBD] 640 NetBSD 5.1 2010-11-19 [NBD] 641 FreeBSD 7.4 2011-02-24 [FBD] 642 FreeBSD 8.2 2011-02-24 [FBD] 643 DragonFly 2.10.1 2011-04-26 [DFB] 644 OpenBSD 4.9 2011-05-01 [OBD] 645 Mac OS X 10.7 2011-07-20 [APL] 646 OpenBSD 5.0 2011-11-01 [OBD] 647 FreeBSD 9.0 2012-01-12 [FBD] 648 NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 649 DragonFly 3.0.1 2012-02-21 [DFB] 650 FreeBSD 8.3 2012-04-18 [FBD] 651 OpenBSD 5.1 2012-05-01 [OBD] 652 Mac OS X 10.8 2012-07-25 [APL] 653 NetBSD 6.0 2012-10-17 [NBD] 654 OpenBSD 5.2 2012-11-01 [OBD] 655 DragonFly 3.2.1 2012-11-02 [DFB] 656 NetBSD 5.2 2012-12-03 [NBD] 657 NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 658 FreeBSD 9.1 2012-12-30 [FBD] 659 DragonFly 3.4.1 2013-04-29 [DFB] 660 OpenBSD 5.3 2013-05-01 [OBD] 661 NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 662 NetBSD 6.1 2013-05-18 [NBD] 663 FreeBSD 8.4 2013-06-07 [FBD] 664 NetBSD 6.1.1 2013-08-22 [NBD] 665 NetBSD 5.1.3 2013-09-29 [NBD] 666 NetBSD 5.2.1 2013-09-29 [NBD] 667 FreeBSD 9.2 2013-09-30 [FBD] 668 NetBSD 6.0.3 2013-09-30 [NBD] 669 NetBSD 6.1.2 2013-09-30 [NBD] 670 Mac OS X 10.9 2013-10-22 [APL] 671 OpenBSD 5.4 2013-11-01 [OBD] 672 DragonFly 3.6.0 2013-11-25 [DFB] 673 FreeBSD 10.0 2014-01-20 [FBD] 674 NetBSD 5.1.4 2014-01-25 [NBD] 675 NetBSD 5.2.2 2014-01-25 [NBD] 676 NetBSD 6.0.4 2014-01-25 [NBD] 677 NetBSD 6.1.3 2014-01-25 [NBD] 678 DragonFly 3.6.1 2014-02-22 [DFB] 679 DragonFly 3.6.2 2014-04-10 [DFB] 680 NetBSD 6.0.5 2014-04-12 [NDB] 681 NetBSD 6.1.4 2014-04-12 [NDB] 682 OpenBSD 5.5 2014-05-01 [OBD] 683 DragonFly 3.8.0 2014-06-04 [DFB] 684 DragonFly 3.8.1 2014-06-16 [DFB] 685 DragonFly 3.6.3 2014-06-17 [DFB] 686 FreeBSD 9.3 2014-07-05 [FBD] 687 DragonFly 3.8.2 2014-08-08 [DFB] 688 NetBSD 6.1.5 2014-09-22 [NBD] 689 Mac OS X 10.10 2014-10-16 [APL] 690 OpenBSD 5.6 2014-11-01 [OBD] 691 FreeBSD 10.1 2014-11-14 [FBD] 692 DragonFly 4.0.1 2014-11-25 [DFB] 693 DragonFly 4.0.2 2015-01-07 [DFB] 694 DragonFly 4.0.3 2015-01-21 [DFB] 695 DragonFly 4.0.4 2015-03-09 [DFB] 696 DragonFly 4.0.5 2015-03-23 [DFB] 697 OpenBSD 5.7 2015-05-01 [OBD] 698 DragonFly 4.2.0 2015-06-29 [DFB] 699 FreeBSD 10.2 2015-08-13 [FBD] 700 NetBSD 7.0 2015-09-25 [NBD] 701 OS X 10.11 2015-09-30 [APL] 702 OpenBSD 5.8 2015-10-18 [OBD] 703 DragonFly 4.4.1 2015-12-07 [DFB] 704 OpenBSD 5.9 2016-03-29 [OBD] 705 FreeBSD 10.3 2016-04-04 [FBD] 706 NetBSD 7.0.1 2016-05-22 [NBD] 707 DragonFly 4.6.0 2016-08-02 [DFB] 708 OpenBSD 6.0 2016-09-01 [OBD] 709 macOS 10.12 2016-09-20 [APL] 710 FreeBSD 11.0 2016-10-10 [FBD] 711 NetBSD 7.1 2017-03-11 [NBD] 712 DragonFly 4.8.0 2017-03-27 [DFB] 713 714 Bibliography 715 ------------------------ 716 717 Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 718 Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 719 System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 720 721 Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 722 Company, Inc., 1994. ISBN 0-201-54777-5 723 724 McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 725 Quarterman. The Design and Implementation of the 4.4BSD Operating 726 System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 727 728 McKusick, Marshall Kirk, George Neville-Neil. The Design and 729 Implementation of the FreeBSD Operating System. 730 Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 731 732 McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The 733 Design and Implementation of the FreeBSD Operating System, 2nd Edition. 734 Pearson Education, Inc., 2014. ISBN 0-321-96897-2 735 736 Doug McIlroy. Research Unix Reader. 737 738 Michael G. Brown. The Role of BSD in the Development of Unix. 739 Presented to the Tasmanian Unix Special Interest Group of the 740 Australian Computer Society, Hobart, August 1993. 741 742 Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 743 URL: http://www.byte.com/art/9410/sec8/art3.htm 744 745 Andreas Klemm, Lars Kller. If you're going to San Francisco ... 746 Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 747 748 BSD Release Announcements collection. 749 URL: http://www.FreeBSD.org/releases/ 750 751 BSD Hypertext Man Pages 752 URL: http://www.FreeBSD.org/cgi/man.cgi 753 754 UNIX history graphing project 755 URL: http://minnie.tuhs.org/Unix_History/index.html 756 757 UNIX history 758 URL: http://www.levenez.com/unix/ 759 760 James Howard: The BSD Family Tree 761 URL: http://ezine.daemonnews.org/200104/bsd_family.html 762 ("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 763 764 765 Acknowledgments 766 --------------- 767 768 Josh Gilliam for suggestions, bug fixes, and finding very old 769 original BSD announcements from Usenet or tapes. 770 771 Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 772 773 -- 774 Copyright (c) 1997-2012 Wolfram Schneider <wosch (a] FreeBSD.ORG> 775 URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 776 777 $FreeBSD: head/share/misc/bsd-family-tree 316082 2017-03-28 09:02:42Z maxim $ 778 $NetBSD: bsd-family-tree,v 1.56.6.2 2017/04/26 02:52:59 pgoyette Exp $ 779
Indexes created Wed Nov 05 01:09:58 GMT 2025