bsd-family-tree revision 1.74
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 OpenBSD 4.5 | 233 | \ | | 5.0 | | 234 | \ | | / | \ | | 235 | | Mac OS X | | | \ | | 236 | | 10.6 | | | \ | | 237 | | | | | | NetBSD | DragonFly 2.4.0 238 | | | | | | 5.0.1 OpenBSD 4.6 | 239 | | | | | | | | | 240 *--FreeBSD | | | | | | | | 241 | 8.0 | | | | | | | | 242 | | FreeBSD | | | | NetBSD | | 243 | | 7.3 | | | | 5.0.2 | DragonFly 2.6.0 244 | | | | | | | OpenBSD 4.7 | 245 | FreeBSD | | | | | | | 246 | 8.1 | | | | | | | 247 | | | | | | | | DragonFly 2.8.2 248 | | | | | | | OpenBSD 4.8 | 249 | | | | | | *--NetBSD | | 250 | FreeBSD FreeBSD | | | 5.1 | | 251 | 8.2 7.4 | | | | | DragonFly 2.10.1 252 | | | | | | OpenBSD 4.9 | 253 | `-----. Mac OS X | | | | | 254 | \ 10.7 | | | | | 255 | | | | | | OpenBSD 5.0 | 256 *--FreeBSD | | | | | | | 257 | 9.0 | | | | NetBSD | DragonFly 3.0.1 258 | | FreeBSD | | | 5.1.2 | | 259 | | 8.3 | | | | | | 260 | | | | | | NetBSD | | 261 | | | | | | 5.1.3 | | 262 | | | | | | | | | 263 | | | | | | NetBSD | | 264 | | | | | | 5.1.4 | | 265 | | | | | | OpenBSD 5.1 | 266 | | | Mac OS X | `--------. | | 267 | | | 10.8 | | | | 268 | | | | *--NetBSD | | | 269 | | | | | 6.0 | | | 270 | | | | | | | | OpenBSD 5.2 DragonFly 3.2.1 271 | FreeBSD | | | | | NetBSD | | 272 | 9.1 | | | | | 5.2 | | 273 | | | | | | | | | | 274 | | | | | | | NetBSD | | 275 | | | | | | | 5.2.1 | | 276 | | | | | | | | | | 277 | | | | | | | NetBSD | | 278 | | | | | | | 5.2.2 | | 279 | | | | | | | | | 280 | | | | | | \ | | 281 | | | | | | NetBSD | | 282 | | | | | | 6.0.1 | | 283 | | | | | | | OpenBSD 5.3 DragonFly 3.4.1 284 | | | | | | NetBSD | | 285 | | | | | | 6.0.2 | | 286 | | | | | | | | | 287 | | | | | | NetBSD | | 288 | | | | | | 6.0.3 | | 289 | | | | | | | | | 290 | | | | | | NetBSD | | 291 | | | | | | 6.0.4 | | 292 | | | | | | | | | 293 | | | | | | NetBSD | | 294 | | | | | | 6.0.5 | | 295 | | | | | | | | | 296 | | | | | | NetBSD | | 297 | | | | | | 6.0.6 | | 298 | | | | | | | | 299 | | | | | *--NetBSD | | 300 | | | | | 6.1 | | 301 | | FreeBSD | | | | | 302 | | 8.4 | | NetBSD | | 303 | | | | | 6.1.1 | | 304 | | | | | | | 305 | FreeBSD | | NetBSD | | 306 | 9.2 | | 6.1.2 | | 307 | | Mac OS X | | | | 308 | | 10.9 | | OpenBSD 5.4 | 309 | `-----. | | | | DragonFly 3.6.0 310 | \ | | | | | 311 *--FreeBSD | | | NetBSD | | 312 | 10.0 | | | 6.1.3 | | 313 | | | | | | | | 314 | | | | | | | DragonFly 3.6.1 315 | | | | | | | | 316 | | | | | | | | 317 | | | | | | | DragonFly 3.6.2 318 | | | | | NetBSD | | 319 | | | | | 6.1.4 | | 320 | | | | | | | | 321 | | | | | | OpenBSD 5.5 | 322 | | | | | | | | 323 | | | | | | | DragonFly 3.8.0 324 | | | | | | | | 325 | | | | | | | | 326 | | | | | | | DragonFly 3.8.1 327 | | | | | | | | 328 | | | | | | | | 329 | | | | | | | DragonFly 3.6.3 330 | | | | | | | | 331 | | FreeBSD | | | | | 332 | | 9.3 | | | | | 333 | | | | NetBSD | DragonFly 3.8.2 334 | | | | 6.1.5 | | 335 | | Mac OS X | | | 336 | | 10.10 | | | 337 | | | | OpenBSD 5.6 | 338 | FreeBSD | | | | 339 | 10.1 | | | DragonFly 4.0.1 340 | | | | | | 341 | | | | | DragonFly 4.0.2 342 | | | | | | 343 | | | | | DragonFly 4.0.3 344 | | | | | | 345 | | | | | DragonFly 4.0.4 346 | | | | | | 347 | | | | | DragonFly 4.0.5 348 | | | | | | 349 | | | | OpenBSD 5.7 | 350 | | | | | DragonFly 4.2.0 351 | FreeBSD | | | | 352 | 10.2 | | | | 353 | | macOS *--NetBSD 7.0 | | 354 | | 10.11 | | | OpenBSD 5.8 | 355 | | | | | `--. | DragonFly 4.4.1 356 | FreeBSD | | | | OpenBSD 5.9 | 357 | 10.3 | | | | | | 358 | | | | | NetBSD | | 359 | | | | | 7.0.1 | | 360 | `------. | | | | | DragonFly 4.6.0 361 | | | | | | | | 362 | | | | | | | | 363 *--FreeBSD | macOS | | | OpenBSD 6.0 | 364 | 11.0 | 10.12 | | NetBSD | | 365 | | | | | | 7.0.2 | | 366 | | | | | | | | 367 | | | | | *--NetBSD | | 368 | | | | | | 7.1 | | 369 | | | | | | | | | 370 | | | | | | | | | 371 | | | macOS | | | | DragonFly 4.8.0 372 | | | 10.13 | | | OpenBSD 6.1 | 373 | FreeBSD | | | | | | DragonFly 5.0.0 374 | 11.1 FreeBSD | | | | | | 375 | | 10.4 | | | | OpenBSD 6.2 DragonFly 5.0.1 376 | | | | | | | | 377 | `------. | | | NetBSD | DragonFly 5.0.2 378 | | | | | 7.1.1 | | 379 | | | | | | | | 380 | | | | | NetBSD | | 381 | | | | | 7.1.2 `--. | 382 | | | | | | | 383 | | | | `-----. OpenBSD 6.3 | 384 | | | *--NetBSD | | DragonFly 5.2.0 385 | | | | 8.0 | | | 386 | | | | | | | DragonFly 5.2.1 387 | | | | | | | | 388 | | | | | | | DragonFly 5.2.2 389 | FreeBSD | | | *--NetBSD | | 390 | 11.2 | | | 7.2 | | 391 | macOS | | | | | 392 | 10.14 | | | OpenBSD 6.4 | 393 | | | | | | | 394 | | | | | | DragonFly 5.4.0 395 *--FreeBSD | | | v | | 396 | 12.0 | | | | DragonFly 5.4.1 397 | | | | OpenBSD 6.5 | 398 | | | | | | 399 | | | NetBSD | | 400 | | | 8.1 | DragonFly 5.6 401 | | | | | 402 FreeBSD 13 -current | NetBSD -current OpenBSD -current DragonFly -current 403 | | | | | 404 v v v v v 405 406 Time 407 ---------------- 408 409 Time tolerance +/- 6 months, depending on which book/article you read; if it 410 was the announcement in Usenet or if it was available as tape. 411 412 [44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 413 and John Quarterman. The Design and Implementation of 414 the 4.4BSD Operating System. 415 [APL] Apple website [https://www.apple.com/macosx/] 416 [BSDI] Berkeley Software Design, Inc. 417 [DFB] DragonFlyBSD Project, The. 418 [DOC] README, COPYRIGHT on tape. 419 [FBD] FreeBSD Project, The. 420 [KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 421 Volume 11, Info 4, April, 1987. 422 [KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 423 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 424 [KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 425 Changes in the Kernel in 2.9BSD. Second Berkeley Software 426 Distribution UNIX Version 2.9, July, 1983. 427 [NBD] NetBSD Project, The. 428 [OBD] OpenBSD Project, The. 429 [QCU] Salus, Peter H. A quarter century of UNIX. 430 [SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 431 [TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 432 [USE] Usenet announcement. 433 [WRS] Wind River Systems, Inc. 434 [dmr] Dennis Ritchie, via E-Mail 435 436 Multics 1965 437 UNIX Summer 1969 438 DEC PDP-7 439 First Edition 1971-11-03 [QCU] 440 DEC PDP-11/20, Assembler 441 Second Edition 1972-06-12 [QCU] 442 10 UNIX installations 443 Third Edition 1973-02-xx [QCU] 444 Pipes, 16 installations 445 Fourth Edition 1973-11-xx [QCU] 446 rewriting in C effected, 447 above 30 installations 448 Fifth Edition 1974-06-xx [QCU] 449 above 50 installations 450 Sixth Edition 1975-05-xx [QCU] 451 port to DEC Vax 452 Seventh Edition 1979-01-xx [QCU] 1979-01-10 [TUHS] 453 first portable UNIX 454 Eighth Edition 1985-02-xx [QCU] 455 VAX 11/750, VAX 11/780 [dmr] 456 descended from 4.1c BSD [dmr] 457 descended from 4.1 BSD [44B] 458 scooping-out and replacement of the character-device 459 and networking part by the streams mechanism 460 461 Ninth Edition 1986-09-xx [QCU] 462 Tenth Edition 1989-10-xx [QCU] 463 464 1BSD late 1977 465 1978-03-09 [QCU] 466 PDP-11, Pascal, ex(1) 467 30 free copies of 1BSD sent out 468 35 tapes sold for 50 USD [QCU] 469 2BSD mid 1978 [QCU] 1979-05-10 [TUHS] 470 75 2BSD tapes shipped 471 2.79BSD 1980-04-xx [TUHS] 472 2.8BSD 1981-07-xx [KSJ] 473 474 2.8.1BSD 1982-01-xx [QCU] 475 set of performance improvements 476 2.9BSD 1983-07-xx [KSJ] 477 2.9.1BSD 1983-11-xx [TUHS] 478 2.9BSD-Seismo 1985-08-xx [SMS] 479 2.10BSD 1987-04-xx [KKK] 480 2.10.1BSD 1989-01-xx [SMS] 481 2.11BSD 1992-02-xx [SMS] 482 2.11BSD rev #430 1999-12-13 [SMS] 483 484 32V 1978-1[01]-xx [QCU] 1979-03-26 [TUHS] 485 3BSD late 1979 [QCU] March 1980 [TUHS] 486 virtual memory, page replacement, 487 demand paging 488 4.0BSD 1980-10-xx 489 4.1BSD 1981-07-08 [DOC] 490 4.1aBSD 1982-04-xx 491 alpha release, 100 sites, networking [44B] 492 4.1bBSD internal release, fast filesystem [44B] 493 4.1cBSD late 1982 494 beta release, IPC [44B] 495 4.2BSD 1983-09-xx [QCU] 496 1983-08-03 [DOC] 497 4.3BSD 1986-06-xx [QCU] 498 1986-04-05 [KB], [DOC] 499 4.3BSD Tahoe 1988-06-15 [QCU], [DOC] 500 4.3BSD NET/1 1988-11-xx [QCU] 501 1989-01-01 [DOC] 502 4.3BSD Reno 1990-06-29 [QCU], [DOC] 503 4.3BSD NET/2 1991-06-28 [QCU], [DOC] 504 505 BSD/386 ALPHA 1991-12-xx [BSDI] 506 first code released to people outside BSDI 507 386BSD 0.0 1992-02-xx [DOC] 508 BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 509 BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 510 386BSD 0.1 1992-07-28 [DOC] 511 4.4BSD Alpha 1992-07-07 512 BSD/386 0.9.3 1992-10-xx [BSDI] 513 first external gamma; G customers 514 BSD/386 0.9.4 1992-12-xx [BSDI] 515 would have been 1.0 except for request 516 for preliminary injunction 517 BSD/386 1.0 1993-03-xx [BSDI] 518 injunction denied; first official release 519 NetBSD 0.8 1993-04-20 [NBD] 520 4.4BSD 1993-06-01 [USE] 521 NetBSD 0.9 1993-08-23 [NBD] 522 FreeBSD 1.0 1993-11-01 [FBD] 523 FreeBSD 1.0.2 1993-11-14 [FBD] 524 supersedes 1.0 13 days after release. 525 BSD/386 1.1 1994-02-xx [BSDI] 526 4.4BSD Lite 1994-03-01 [USE] 527 FreeBSD 1.1 1994-05-07 [FBD] 528 FreeBSD 1.1.5 1994-06-30 [FBD] 529 FreeBSD 1.1.5.1 1994-07-05 [FBD] 530 supersedes 1.1.5 5 days after release. 531 NetBSD 1.0 1994-10-26 [NBD] 532 386BSD 1.0 1994-11-12 [USE] 533 FreeBSD 2.0 1994-11-23 [FBD] 534 BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 535 FreeBSD 2.0.5 1995-06-10 [FBD] 536 BSD/OS 2.0.1 1995-06-xx [BSDI] 537 4.4BSD Lite Release 2 1995-06-xx [44B] 538 the true final distribution from the CSRG 539 FreeBSD 2.1.0 1995-11-19 [FBD] 540 NetBSD 1.1 1995-11-26 [NBD] 541 BSD/OS 2.1 1996-01-xx [BSDI] 542 FreeBSD 2.1.5 1996-07-14 [FBD] 543 NetBSD 1.2 1996-10-04 [NBD] 544 OpenBSD 2.0 1996-10-18 [OBD] 545 FreeBSD 2.1.6 1996-11-16 [FBD] 546 FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 547 Rhapsody 1997-xx-xx 548 FreeBSD 2.1.7 1997-02-20 [FBD] 549 BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 550 FreeBSD 2.2.0 1997-03-16 [FBD] 551 FreeBSD 2.2.1 1997-03-25 [FBD] 552 FreeBSD 2.2.2 1997-05-16 [FBD] 553 NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 554 OpenBSD 2.1 1997-06-01 [OBD] 555 FreeBSD 2.2.5 1997-10-22 [FBD] 556 OpenBSD 2.2 1997-12-01 [OBD] 557 NetBSD 1.3 1998-01-04 [NBD] 558 FreeBSD 2.2.6 1998-03-25 [FBD] 559 NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 560 BSD/OS 3.1 1998-03-xx [BSDI] 561 OpenBSD 2.3 1998-05-19 [OBD] 562 NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 563 FreeBSD 2.2.7 1998-07-22 [FBD] 564 BSD/OS 4.0 1998-08-xx [BSDI] 565 2-lock MP support, ELF executables 566 FreeBSD 3.0 1998-10-16 [FBD] 567 FreeBSD-3.0 is a snapshot from -current, 568 while 3.1 and 3.2 are from 3.x-stable which 569 was branched quite some time after 3.0-release 570 FreeBSD 2.2.8 1998-11-29 [FBD] 571 OpenBSD 2.4 1998-12-01 [OBD] 572 NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 573 FreeBSD 3.1 1999-02-15 [FBD] 574 BSD/OS 4.0.1 1999-03-xx [BSDI] 575 NetBSD 1.4 1999-05-12 [NBD] 576 FreeBSD 3.2 1999-05-17 [FBD] 577 OpenBSD 2.5 1999-05-19 [OBD] 578 NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 579 FreeBSD 3.3 1999-09-17 [FBD] 580 OpenBSD 2.6 1999-12-01 [OBD] 581 FreeBSD 3.4 1999-12-20 [FBD] 582 BSD/OS 4.1 1999-12-xx [BSDI] 583 FreeBSD 4.0 2000-03-13 [FBD] 584 NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 585 OpenBSD 2.7 2000-06-15 [OBD] 586 FreeBSD 3.5 2000-06-24 [FBD] 587 FreeBSD 4.1 2000-07-27 [FBD] 588 FreeBSD 3.5.1 2000-07-28 [FBD] 589 FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 590 FreeBSD 4.2 2000-11-21 [FBD] 591 NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 592 BSD/OS 4.2 2000-11-29 [BSDI] 593 OpenBSD 2.8 2000-12-01 [OBD] 594 NetBSD 1.5 2000-12-06 [NBD] 595 Mac OS X 10.0 2001-03-24 [APL] 596 FreeBSD 4.3 2001-04-20 [FBD] 597 OpenBSD 2.9 2001-06-01 [OBD] 598 NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 599 NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 600 FreeBSD 4.4 2001-09-18 [FBD] 601 Mac OS X 10.1 2001-09-29 [APL] 602 OpenBSD 3.0 2001-12-01 [OBD] 603 FreeBSD 4.5 2002-01-29 [FBD] 604 BSD/OS 4.3 2002-03-14 [WRS] 605 OpenBSD 3.1 2002-05-19 [OBD] 606 FreeBSD 4.6 2002-06-15 [FBD] 607 NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 608 FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 609 Mac OS X 10.2 2002-08-23 [APL] 610 NetBSD 1.6 2002-09-14 [NBD] 611 FreeBSD 4.7 2002-10-08 [FBD] 612 OpenBSD 3.2 2002-11-01 [OBD] 613 FreeBSD 5.0 2003-01-17 [FBD] 614 FreeBSD 5.0 is a separate branch off of 615 -current, similar to 3.0. 616 FreeBSD 4.8 2003-04-03 [FBD] 617 NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 618 OpenBSD 3.3 2003-05-01 [OBD] 619 BSD/OS 5.0 2003-05-?? [WRS] 620 FreeBSD 5.1 2003-06-09 [FBD] 621 Mac OS X 10.3 2003-10-24 [APL] 622 FreeBSD 4.9 2003-10-28 [FBD] 623 BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 624 OpenBSD 3.4 2003-11-01 [OBD] 625 FreeBSD 5.2 2004-01-12 [FBD] 626 FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 627 NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 628 OpenBSD 3.5 2004-04-01 [OBD] 629 FreeBSD 4.10 2004-05-27 [FBD] 630 DragonFly 1.0 2004-07-12 [DFB] 631 OpenBSD 3.6 2004-10-29 [OBD] 632 FreeBSD 5.3 2004-11-06 [FBD] 633 NetBSD 2.0 2004-12-09 [NBD] 634 FreeBSD 4.11 2005-01-25 [FBD] 635 DragonFly 1.2.0 2005-04-08 [DFB] 636 NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 637 Mac OS X 10.4 2005-04-29 [APL] 638 FreeBSD 5.4 2005-05-09 [FBD] 639 OpenBSD 3.7 2005-05-19 [OBD] 640 NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 641 OpenBSD 3.8 2005-11-01 [OBD] 642 FreeBSD 6.0 2005-11-01 [FBD] 643 NetBSD 2.1 2005-11-02 [NBD] 644 NetBSD 3.0 2005-12-23 [NBD] 645 DragonFly 1.4.0 2006-01-08 [DFB] 646 FreeBSD 2.2.9 2006-04-01 [FBD] 647 OpenBSD 3.9 2006-05-01 [OBD] 648 FreeBSD 6.1 2006-05-08 [FBD] 649 FreeBSD 5.5 2006-05-25 [FBD] 650 NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 651 DragonFly 1.6.0 2006-07-24 [DFB] 652 OpenBSD 4.0 2006-11-01 [OBD] 653 NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 654 NetBSD 3.1 2006-11-04 [NBD] 655 FreeBSD 6.2 2007-01-15 [FBD] 656 DragonFly 1.8.0 2007-01-30 [DFB] 657 OpenBSD 4.1 2007-05-01 [OBD] 658 DragonFly 1.10.0 2007-08-06 [DFB] 659 Mac OS X 10.5 2007-10-26 [APL] 660 OpenBSD 4.2 2007-11-01 [OBD] 661 NetBSD 4.0 2007-12-19 [NBD] 662 FreeBSD 6.3 2008-01-18 [FBD] 663 DragonFly 1.12.0 2008-02-26 [DFB] 664 FreeBSD 7.0 2008-02-27 [FBD] 665 OpenBSD 4.3 2008-05-01 [OBD] 666 DragonFly 2.0.0 2008-07-21 [DFB] 667 OpenBSD 4.4 2008-11-01 [OBD] 668 FreeBSD 6.4 2008-11-28 [FBD] 669 FreeBSD 7.1 2009-01-04 [FBD] 670 DragonFly 2.2.0 2009-02-17 [DFB] 671 NetBSD 5.0 2009-04-29 [NBD] 672 OpenBSD 4.5 2009-05-01 [OBD] 673 FreeBSD 7.2 2009-05-04 [FBD] 674 Mac OS X 10.6 2009-06-08 [APL] 675 NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 676 DragonFly 2.4.0 2009-09-16 [DFB] 677 OpenBSD 4.6 2009-10-18 [OBD] 678 FreeBSD 8.0 2009-11-26 [FBD] 679 NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 680 FreeBSD 7.3 2010-03-23 [FBD] 681 DragonFly 2.6.0 2010-03-28 [DFB] 682 OpenBSD 4.7 2010-05-19 [OBD] 683 FreeBSD 8.1 2010-07-24 [FBD] 684 DragonFly 2.8.2 2010-10-30 [DFB] 685 OpenBSD 4.8 2010-11-01 [OBD] 686 NetBSD 5.1 2010-11-19 [NBD] 687 FreeBSD 7.4 2011-02-24 [FBD] 688 FreeBSD 8.2 2011-02-24 [FBD] 689 DragonFly 2.10.1 2011-04-26 [DFB] 690 OpenBSD 4.9 2011-05-01 [OBD] 691 Mac OS X 10.7 2011-07-20 [APL] 692 OpenBSD 5.0 2011-11-01 [OBD] 693 FreeBSD 9.0 2012-01-12 [FBD] 694 NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 695 DragonFly 3.0.1 2012-02-21 [DFB] 696 FreeBSD 8.3 2012-04-18 [FBD] 697 OpenBSD 5.1 2012-05-01 [OBD] 698 Mac OS X 10.8 2012-07-25 [APL] 699 NetBSD 6.0 2012-10-17 [NBD] 700 OpenBSD 5.2 2012-11-01 [OBD] 701 DragonFly 3.2.1 2012-11-02 [DFB] 702 NetBSD 5.2 2012-12-03 [NBD] 703 NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 704 FreeBSD 9.1 2012-12-30 [FBD] 705 DragonFly 3.4.1 2013-04-29 [DFB] 706 OpenBSD 5.3 2013-05-01 [OBD] 707 NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 708 NetBSD 6.1 2013-05-18 [NBD] 709 FreeBSD 8.4 2013-06-07 [FBD] 710 NetBSD 6.1.1 2013-08-22 [NBD] 711 NetBSD 5.1.3 2013-09-29 [NBD] 712 NetBSD 5.2.1 2013-09-29 [NBD] 713 FreeBSD 9.2 2013-09-30 [FBD] 714 NetBSD 6.0.3 2013-09-30 [NBD] 715 NetBSD 6.1.2 2013-09-30 [NBD] 716 Mac OS X 10.9 2013-10-22 [APL] 717 OpenBSD 5.4 2013-11-01 [OBD] 718 DragonFly 3.6.0 2013-11-25 [DFB] 719 FreeBSD 10.0 2014-01-20 [FBD] 720 NetBSD 5.1.4 2014-01-25 [NBD] 721 NetBSD 5.2.2 2014-01-25 [NBD] 722 NetBSD 6.0.4 2014-01-25 [NBD] 723 NetBSD 6.1.3 2014-01-25 [NBD] 724 DragonFly 3.6.1 2014-02-22 [DFB] 725 DragonFly 3.6.2 2014-04-10 [DFB] 726 NetBSD 6.0.5 2014-04-12 [NBD] 727 NetBSD 6.1.4 2014-04-12 [NBD] 728 OpenBSD 5.5 2014-05-01 [OBD] 729 DragonFly 3.8.0 2014-06-04 [DFB] 730 DragonFly 3.8.1 2014-06-16 [DFB] 731 DragonFly 3.6.3 2014-06-17 [DFB] 732 FreeBSD 9.3 2014-07-05 [FBD] 733 DragonFly 3.8.2 2014-08-08 [DFB] 734 NetBSD 6.0.6 2014-09-22 [NBD] 735 NetBSD 6.1.5 2014-09-22 [NBD] 736 Mac OS X 10.10 2014-10-16 [APL] 737 OpenBSD 5.6 2014-11-01 [OBD] 738 FreeBSD 10.1 2014-11-14 [FBD] 739 DragonFly 4.0.1 2014-11-25 [DFB] 740 DragonFly 4.0.2 2015-01-07 [DFB] 741 DragonFly 4.0.3 2015-01-21 [DFB] 742 DragonFly 4.0.4 2015-03-09 [DFB] 743 DragonFly 4.0.5 2015-03-23 [DFB] 744 OpenBSD 5.7 2015-05-01 [OBD] 745 DragonFly 4.2.0 2015-06-29 [DFB] 746 FreeBSD 10.2 2015-08-13 [FBD] 747 NetBSD 7.0 2015-09-25 [NBD] 748 OS X 10.11 2015-09-30 [APL] 749 OpenBSD 5.8 2015-10-18 [OBD] 750 DragonFly 4.4.1 2015-12-07 [DFB] 751 OpenBSD 5.9 2016-03-29 [OBD] 752 FreeBSD 10.3 2016-04-04 [FBD] 753 NetBSD 7.0.1 2016-05-22 [NBD] 754 DragonFly 4.6.0 2016-08-02 [DFB] 755 OpenBSD 6.0 2016-09-01 [OBD] 756 macOS 10.12 2016-09-20 [APL] 757 FreeBSD 11.0 2016-10-10 [FBD] 758 NetBSD 7.0.2 2016-10-21 [NBD] 759 NetBSD 7.1 2017-03-11 [NBD] 760 DragonFly 4.8.0 2017-03-27 [DFB] 761 OpenBSD 6.1 2017-04-11 [OBD] 762 FreeBSD 11.1 2017-07-26 [FBD] 763 macOS 10.13 2017-09-25 [APL] 764 FreeBSD 10.4 2017-10-03 [FBD] 765 OpenBSD 6.2 2017-10-09 [OBD] 766 DragonFly 5.0.0 2017-10-16 [DFB] 767 DragonFly 5.0.1 2017-11-06 [DFB] 768 DragonFly 5.0.2 2017-12-04 [DFB] 769 NetBSD 7.1.1 2017-12-22 [NBD] 770 NetBSD 7.1.2 2018-03-15 [NBD] 771 OpenBSD 6.3 2018-04-02 [OBD] 772 DragonFly 5.2.0 2018-04-10 [DFB] 773 DragonFly 5.2.1 2018-05-20 [DFB] 774 DragonFly 5.2.2 2018-06-18 [DFB] 775 FreeBSD 11.2 2018-06-27 [FBD] 776 NetBSD 8.0 2018-07-17 [NBD] 777 NetBSD 7.2 2018-08-29 [NBD] 778 macOS 10.14 2018-09-24 [APL] 779 OpenBSD 6.4 2018-10-18 [OBD] 780 DragonFly 5.4.0 2018-12-03 [DFB] 781 FreeBSD 12.0 2018-12-11 [FBD] 782 DragonFly 5.4.1 2018-12-24 [DFB] 783 OpenBSD 6.5 2019-05-01 [OBD] 784 NetBSD 8.1 2019-06-04 [NBD] 785 DragonFly 5.6 2019-06-17 [DFB] 786 787 Bibliography 788 ------------------------ 789 790 Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 791 Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 792 System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 793 794 Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 795 Company, Inc., 1994. ISBN 0-201-54777-5 796 797 McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 798 Quarterman. The Design and Implementation of the 4.4BSD Operating 799 System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 800 801 McKusick, Marshall Kirk, George Neville-Neil. The Design and 802 Implementation of the FreeBSD Operating System. 803 Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 804 805 McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The 806 Design and Implementation of the FreeBSD Operating System, 2nd Edition. 807 Pearson Education, Inc., 2014. ISBN 0-321-96897-2 808 809 Doug McIlroy. Research Unix Reader. 810 811 Michael G. Brown. The Role of BSD in the Development of Unix. 812 Presented to the Tasmanian Unix Special Interest Group of the 813 Australian Computer Society, Hobart, August 1993. 814 815 Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 816 URL: http://www.byte.com/art/9410/sec8/art3.htm 817 818 Andreas Klemm, Lars Kller. If you're going to San Francisco ... 819 Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 820 821 BSD Release Announcements collection. 822 URL: https://www.FreeBSD.org/releases/ 823 824 BSD Hypertext Man Pages 825 URL: https://www.FreeBSD.org/cgi/man.cgi 826 827 UNIX history graphing project 828 URL: http://minnie.tuhs.org/Unix_History/index.html 829 830 UNIX history 831 URL: http://www.levenez.com/unix/ 832 833 James Howard: The BSD Family Tree 834 URL: http://ezine.daemonnews.org/200104/bsd_family.html 835 ("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 836 837 838 Acknowledgments 839 --------------- 840 841 Josh Gilliam for suggestions, bug fixes, and finding very old 842 original BSD announcements from Usenet or tapes. 843 844 Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 845 846 -- 847 Copyright (c) 1997-2012 Wolfram Schneider <wosch (a] FreeBSD.ORG> 848 URL: https://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 849 850 $FreeBSD: head/share/misc/bsd-family-tree 349177 2019-06-18 21:02:40Z sevan $ 851 $NetBSD: bsd-family-tree,v 1.74 2019/06/18 21:07:21 sevan Exp $ 852
Indexes created Wed Nov 05 01:09:58 GMT 2025