bsd-family-tree revision 1.75
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 | | | | DragonFly 5.6.1 403 | | | | | 404 FreeBSD 13 -current | NetBSD -current OpenBSD -current DragonFly -current 405 | | | | | 406 v v v v v 407 408 Time 409 ---------------- 410 411 Time tolerance +/- 6 months, depending on which book/article you read; if it 412 was the announcement in Usenet or if it was available as tape. 413 414 [44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 415 and John Quarterman. The Design and Implementation of 416 the 4.4BSD Operating System. 417 [APL] Apple website [https://www.apple.com/macosx/] 418 [BSDI] Berkeley Software Design, Inc. 419 [DFB] DragonFlyBSD Project, The. 420 [DOC] README, COPYRIGHT on tape. 421 [FBD] FreeBSD Project, The. 422 [KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 423 Volume 11, Info 4, April, 1987. 424 [KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 425 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 426 [KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 427 Changes in the Kernel in 2.9BSD. Second Berkeley Software 428 Distribution UNIX Version 2.9, July, 1983. 429 [NBD] NetBSD Project, The. 430 [OBD] OpenBSD Project, The. 431 [QCU] Salus, Peter H. A quarter century of UNIX. 432 [SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 433 [TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 434 [USE] Usenet announcement. 435 [WRS] Wind River Systems, Inc. 436 [dmr] Dennis Ritchie, via E-Mail 437 438 Multics 1965 439 UNIX Summer 1969 440 DEC PDP-7 441 First Edition 1971-11-03 [QCU] 442 DEC PDP-11/20, Assembler 443 Second Edition 1972-06-12 [QCU] 444 10 UNIX installations 445 Third Edition 1973-02-xx [QCU] 446 Pipes, 16 installations 447 Fourth Edition 1973-11-xx [QCU] 448 rewriting in C effected, 449 above 30 installations 450 Fifth Edition 1974-06-xx [QCU] 451 above 50 installations 452 Sixth Edition 1975-05-xx [QCU] 453 port to DEC Vax 454 Seventh Edition 1979-01-xx [QCU] 1979-01-10 [TUHS] 455 first portable UNIX 456 Eighth Edition 1985-02-xx [QCU] 457 VAX 11/750, VAX 11/780 [dmr] 458 descended from 4.1c BSD [dmr] 459 descended from 4.1 BSD [44B] 460 scooping-out and replacement of the character-device 461 and networking part by the streams mechanism 462 463 Ninth Edition 1986-09-xx [QCU] 464 Tenth Edition 1989-10-xx [QCU] 465 466 1BSD late 1977 467 1978-03-09 [QCU] 468 PDP-11, Pascal, ex(1) 469 30 free copies of 1BSD sent out 470 35 tapes sold for 50 USD [QCU] 471 2BSD mid 1978 [QCU] 1979-05-10 [TUHS] 472 75 2BSD tapes shipped 473 2.79BSD 1980-04-xx [TUHS] 474 2.8BSD 1981-07-xx [KSJ] 475 476 2.8.1BSD 1982-01-xx [QCU] 477 set of performance improvements 478 2.9BSD 1983-07-xx [KSJ] 479 2.9.1BSD 1983-11-xx [TUHS] 480 2.9BSD-Seismo 1985-08-xx [SMS] 481 2.10BSD 1987-04-xx [KKK] 482 2.10.1BSD 1989-01-xx [SMS] 483 2.11BSD 1992-02-xx [SMS] 484 2.11BSD rev #430 1999-12-13 [SMS] 485 486 32V 1978-1[01]-xx [QCU] 1979-03-26 [TUHS] 487 3BSD late 1979 [QCU] March 1980 [TUHS] 488 virtual memory, page replacement, 489 demand paging 490 4.0BSD 1980-10-xx 491 4.1BSD 1981-07-08 [DOC] 492 4.1aBSD 1982-04-xx 493 alpha release, 100 sites, networking [44B] 494 4.1bBSD internal release, fast filesystem [44B] 495 4.1cBSD late 1982 496 beta release, IPC [44B] 497 4.2BSD 1983-09-xx [QCU] 498 1983-08-03 [DOC] 499 4.3BSD 1986-06-xx [QCU] 500 1986-04-05 [KB], [DOC] 501 4.3BSD Tahoe 1988-06-15 [QCU], [DOC] 502 4.3BSD NET/1 1988-11-xx [QCU] 503 1989-01-01 [DOC] 504 4.3BSD Reno 1990-06-29 [QCU], [DOC] 505 4.3BSD NET/2 1991-06-28 [QCU], [DOC] 506 507 BSD/386 ALPHA 1991-12-xx [BSDI] 508 first code released to people outside BSDI 509 386BSD 0.0 1992-02-xx [DOC] 510 BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 511 BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 512 386BSD 0.1 1992-07-28 [DOC] 513 4.4BSD Alpha 1992-07-07 514 BSD/386 0.9.3 1992-10-xx [BSDI] 515 first external gamma; G customers 516 BSD/386 0.9.4 1992-12-xx [BSDI] 517 would have been 1.0 except for request 518 for preliminary injunction 519 BSD/386 1.0 1993-03-xx [BSDI] 520 injunction denied; first official release 521 NetBSD 0.8 1993-04-20 [NBD] 522 4.4BSD 1993-06-01 [USE] 523 NetBSD 0.9 1993-08-23 [NBD] 524 FreeBSD 1.0 1993-11-01 [FBD] 525 FreeBSD 1.0.2 1993-11-14 [FBD] 526 supersedes 1.0 13 days after release. 527 BSD/386 1.1 1994-02-xx [BSDI] 528 4.4BSD Lite 1994-03-01 [USE] 529 FreeBSD 1.1 1994-05-07 [FBD] 530 FreeBSD 1.1.5 1994-06-30 [FBD] 531 FreeBSD 1.1.5.1 1994-07-05 [FBD] 532 supersedes 1.1.5 5 days after release. 533 NetBSD 1.0 1994-10-26 [NBD] 534 386BSD 1.0 1994-11-12 [USE] 535 FreeBSD 2.0 1994-11-23 [FBD] 536 BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 537 FreeBSD 2.0.5 1995-06-10 [FBD] 538 BSD/OS 2.0.1 1995-06-xx [BSDI] 539 4.4BSD Lite Release 2 1995-06-xx [44B] 540 the true final distribution from the CSRG 541 FreeBSD 2.1.0 1995-11-19 [FBD] 542 NetBSD 1.1 1995-11-26 [NBD] 543 BSD/OS 2.1 1996-01-xx [BSDI] 544 FreeBSD 2.1.5 1996-07-14 [FBD] 545 NetBSD 1.2 1996-10-04 [NBD] 546 OpenBSD 2.0 1996-10-18 [OBD] 547 FreeBSD 2.1.6 1996-11-16 [FBD] 548 FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 549 Rhapsody 1997-xx-xx 550 FreeBSD 2.1.7 1997-02-20 [FBD] 551 BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 552 FreeBSD 2.2.0 1997-03-16 [FBD] 553 FreeBSD 2.2.1 1997-03-25 [FBD] 554 FreeBSD 2.2.2 1997-05-16 [FBD] 555 NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 556 OpenBSD 2.1 1997-06-01 [OBD] 557 FreeBSD 2.2.5 1997-10-22 [FBD] 558 OpenBSD 2.2 1997-12-01 [OBD] 559 NetBSD 1.3 1998-01-04 [NBD] 560 FreeBSD 2.2.6 1998-03-25 [FBD] 561 NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 562 BSD/OS 3.1 1998-03-xx [BSDI] 563 OpenBSD 2.3 1998-05-19 [OBD] 564 NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 565 FreeBSD 2.2.7 1998-07-22 [FBD] 566 BSD/OS 4.0 1998-08-xx [BSDI] 567 2-lock MP support, ELF executables 568 FreeBSD 3.0 1998-10-16 [FBD] 569 FreeBSD-3.0 is a snapshot from -current, 570 while 3.1 and 3.2 are from 3.x-stable which 571 was branched quite some time after 3.0-release 572 FreeBSD 2.2.8 1998-11-29 [FBD] 573 OpenBSD 2.4 1998-12-01 [OBD] 574 NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 575 FreeBSD 3.1 1999-02-15 [FBD] 576 BSD/OS 4.0.1 1999-03-xx [BSDI] 577 NetBSD 1.4 1999-05-12 [NBD] 578 FreeBSD 3.2 1999-05-17 [FBD] 579 OpenBSD 2.5 1999-05-19 [OBD] 580 NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 581 FreeBSD 3.3 1999-09-17 [FBD] 582 OpenBSD 2.6 1999-12-01 [OBD] 583 FreeBSD 3.4 1999-12-20 [FBD] 584 BSD/OS 4.1 1999-12-xx [BSDI] 585 FreeBSD 4.0 2000-03-13 [FBD] 586 NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 587 OpenBSD 2.7 2000-06-15 [OBD] 588 FreeBSD 3.5 2000-06-24 [FBD] 589 FreeBSD 4.1 2000-07-27 [FBD] 590 FreeBSD 3.5.1 2000-07-28 [FBD] 591 FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 592 FreeBSD 4.2 2000-11-21 [FBD] 593 NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 594 BSD/OS 4.2 2000-11-29 [BSDI] 595 OpenBSD 2.8 2000-12-01 [OBD] 596 NetBSD 1.5 2000-12-06 [NBD] 597 Mac OS X 10.0 2001-03-24 [APL] 598 FreeBSD 4.3 2001-04-20 [FBD] 599 OpenBSD 2.9 2001-06-01 [OBD] 600 NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 601 NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 602 FreeBSD 4.4 2001-09-18 [FBD] 603 Mac OS X 10.1 2001-09-29 [APL] 604 OpenBSD 3.0 2001-12-01 [OBD] 605 FreeBSD 4.5 2002-01-29 [FBD] 606 BSD/OS 4.3 2002-03-14 [WRS] 607 OpenBSD 3.1 2002-05-19 [OBD] 608 FreeBSD 4.6 2002-06-15 [FBD] 609 NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 610 FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 611 Mac OS X 10.2 2002-08-23 [APL] 612 NetBSD 1.6 2002-09-14 [NBD] 613 FreeBSD 4.7 2002-10-08 [FBD] 614 OpenBSD 3.2 2002-11-01 [OBD] 615 FreeBSD 5.0 2003-01-17 [FBD] 616 FreeBSD 5.0 is a separate branch off of 617 -current, similar to 3.0. 618 FreeBSD 4.8 2003-04-03 [FBD] 619 NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 620 OpenBSD 3.3 2003-05-01 [OBD] 621 BSD/OS 5.0 2003-05-?? [WRS] 622 FreeBSD 5.1 2003-06-09 [FBD] 623 Mac OS X 10.3 2003-10-24 [APL] 624 FreeBSD 4.9 2003-10-28 [FBD] 625 BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 626 OpenBSD 3.4 2003-11-01 [OBD] 627 FreeBSD 5.2 2004-01-12 [FBD] 628 FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 629 NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 630 OpenBSD 3.5 2004-04-01 [OBD] 631 FreeBSD 4.10 2004-05-27 [FBD] 632 DragonFly 1.0 2004-07-12 [DFB] 633 OpenBSD 3.6 2004-10-29 [OBD] 634 FreeBSD 5.3 2004-11-06 [FBD] 635 NetBSD 2.0 2004-12-09 [NBD] 636 FreeBSD 4.11 2005-01-25 [FBD] 637 DragonFly 1.2.0 2005-04-08 [DFB] 638 NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 639 Mac OS X 10.4 2005-04-29 [APL] 640 FreeBSD 5.4 2005-05-09 [FBD] 641 OpenBSD 3.7 2005-05-19 [OBD] 642 NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 643 OpenBSD 3.8 2005-11-01 [OBD] 644 FreeBSD 6.0 2005-11-01 [FBD] 645 NetBSD 2.1 2005-11-02 [NBD] 646 NetBSD 3.0 2005-12-23 [NBD] 647 DragonFly 1.4.0 2006-01-08 [DFB] 648 FreeBSD 2.2.9 2006-04-01 [FBD] 649 OpenBSD 3.9 2006-05-01 [OBD] 650 FreeBSD 6.1 2006-05-08 [FBD] 651 FreeBSD 5.5 2006-05-25 [FBD] 652 NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 653 DragonFly 1.6.0 2006-07-24 [DFB] 654 OpenBSD 4.0 2006-11-01 [OBD] 655 NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 656 NetBSD 3.1 2006-11-04 [NBD] 657 FreeBSD 6.2 2007-01-15 [FBD] 658 DragonFly 1.8.0 2007-01-30 [DFB] 659 OpenBSD 4.1 2007-05-01 [OBD] 660 DragonFly 1.10.0 2007-08-06 [DFB] 661 Mac OS X 10.5 2007-10-26 [APL] 662 OpenBSD 4.2 2007-11-01 [OBD] 663 NetBSD 4.0 2007-12-19 [NBD] 664 FreeBSD 6.3 2008-01-18 [FBD] 665 DragonFly 1.12.0 2008-02-26 [DFB] 666 FreeBSD 7.0 2008-02-27 [FBD] 667 OpenBSD 4.3 2008-05-01 [OBD] 668 DragonFly 2.0.0 2008-07-21 [DFB] 669 OpenBSD 4.4 2008-11-01 [OBD] 670 FreeBSD 6.4 2008-11-28 [FBD] 671 FreeBSD 7.1 2009-01-04 [FBD] 672 DragonFly 2.2.0 2009-02-17 [DFB] 673 NetBSD 5.0 2009-04-29 [NBD] 674 OpenBSD 4.5 2009-05-01 [OBD] 675 FreeBSD 7.2 2009-05-04 [FBD] 676 Mac OS X 10.6 2009-06-08 [APL] 677 NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 678 DragonFly 2.4.0 2009-09-16 [DFB] 679 OpenBSD 4.6 2009-10-18 [OBD] 680 FreeBSD 8.0 2009-11-26 [FBD] 681 NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 682 FreeBSD 7.3 2010-03-23 [FBD] 683 DragonFly 2.6.0 2010-03-28 [DFB] 684 OpenBSD 4.7 2010-05-19 [OBD] 685 FreeBSD 8.1 2010-07-24 [FBD] 686 DragonFly 2.8.2 2010-10-30 [DFB] 687 OpenBSD 4.8 2010-11-01 [OBD] 688 NetBSD 5.1 2010-11-19 [NBD] 689 FreeBSD 7.4 2011-02-24 [FBD] 690 FreeBSD 8.2 2011-02-24 [FBD] 691 DragonFly 2.10.1 2011-04-26 [DFB] 692 OpenBSD 4.9 2011-05-01 [OBD] 693 Mac OS X 10.7 2011-07-20 [APL] 694 OpenBSD 5.0 2011-11-01 [OBD] 695 FreeBSD 9.0 2012-01-12 [FBD] 696 NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 697 DragonFly 3.0.1 2012-02-21 [DFB] 698 FreeBSD 8.3 2012-04-18 [FBD] 699 OpenBSD 5.1 2012-05-01 [OBD] 700 Mac OS X 10.8 2012-07-25 [APL] 701 NetBSD 6.0 2012-10-17 [NBD] 702 OpenBSD 5.2 2012-11-01 [OBD] 703 DragonFly 3.2.1 2012-11-02 [DFB] 704 NetBSD 5.2 2012-12-03 [NBD] 705 NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 706 FreeBSD 9.1 2012-12-30 [FBD] 707 DragonFly 3.4.1 2013-04-29 [DFB] 708 OpenBSD 5.3 2013-05-01 [OBD] 709 NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 710 NetBSD 6.1 2013-05-18 [NBD] 711 FreeBSD 8.4 2013-06-07 [FBD] 712 NetBSD 6.1.1 2013-08-22 [NBD] 713 NetBSD 5.1.3 2013-09-29 [NBD] 714 NetBSD 5.2.1 2013-09-29 [NBD] 715 FreeBSD 9.2 2013-09-30 [FBD] 716 NetBSD 6.0.3 2013-09-30 [NBD] 717 NetBSD 6.1.2 2013-09-30 [NBD] 718 Mac OS X 10.9 2013-10-22 [APL] 719 OpenBSD 5.4 2013-11-01 [OBD] 720 DragonFly 3.6.0 2013-11-25 [DFB] 721 FreeBSD 10.0 2014-01-20 [FBD] 722 NetBSD 5.1.4 2014-01-25 [NBD] 723 NetBSD 5.2.2 2014-01-25 [NBD] 724 NetBSD 6.0.4 2014-01-25 [NBD] 725 NetBSD 6.1.3 2014-01-25 [NBD] 726 DragonFly 3.6.1 2014-02-22 [DFB] 727 DragonFly 3.6.2 2014-04-10 [DFB] 728 NetBSD 6.0.5 2014-04-12 [NBD] 729 NetBSD 6.1.4 2014-04-12 [NBD] 730 OpenBSD 5.5 2014-05-01 [OBD] 731 DragonFly 3.8.0 2014-06-04 [DFB] 732 DragonFly 3.8.1 2014-06-16 [DFB] 733 DragonFly 3.6.3 2014-06-17 [DFB] 734 FreeBSD 9.3 2014-07-05 [FBD] 735 DragonFly 3.8.2 2014-08-08 [DFB] 736 NetBSD 6.0.6 2014-09-22 [NBD] 737 NetBSD 6.1.5 2014-09-22 [NBD] 738 Mac OS X 10.10 2014-10-16 [APL] 739 OpenBSD 5.6 2014-11-01 [OBD] 740 FreeBSD 10.1 2014-11-14 [FBD] 741 DragonFly 4.0.1 2014-11-25 [DFB] 742 DragonFly 4.0.2 2015-01-07 [DFB] 743 DragonFly 4.0.3 2015-01-21 [DFB] 744 DragonFly 4.0.4 2015-03-09 [DFB] 745 DragonFly 4.0.5 2015-03-23 [DFB] 746 OpenBSD 5.7 2015-05-01 [OBD] 747 DragonFly 4.2.0 2015-06-29 [DFB] 748 FreeBSD 10.2 2015-08-13 [FBD] 749 NetBSD 7.0 2015-09-25 [NBD] 750 OS X 10.11 2015-09-30 [APL] 751 OpenBSD 5.8 2015-10-18 [OBD] 752 DragonFly 4.4.1 2015-12-07 [DFB] 753 OpenBSD 5.9 2016-03-29 [OBD] 754 FreeBSD 10.3 2016-04-04 [FBD] 755 NetBSD 7.0.1 2016-05-22 [NBD] 756 DragonFly 4.6.0 2016-08-02 [DFB] 757 OpenBSD 6.0 2016-09-01 [OBD] 758 macOS 10.12 2016-09-20 [APL] 759 FreeBSD 11.0 2016-10-10 [FBD] 760 NetBSD 7.0.2 2016-10-21 [NBD] 761 NetBSD 7.1 2017-03-11 [NBD] 762 DragonFly 4.8.0 2017-03-27 [DFB] 763 OpenBSD 6.1 2017-04-11 [OBD] 764 FreeBSD 11.1 2017-07-26 [FBD] 765 macOS 10.13 2017-09-25 [APL] 766 FreeBSD 10.4 2017-10-03 [FBD] 767 OpenBSD 6.2 2017-10-09 [OBD] 768 DragonFly 5.0.0 2017-10-16 [DFB] 769 DragonFly 5.0.1 2017-11-06 [DFB] 770 DragonFly 5.0.2 2017-12-04 [DFB] 771 NetBSD 7.1.1 2017-12-22 [NBD] 772 NetBSD 7.1.2 2018-03-15 [NBD] 773 OpenBSD 6.3 2018-04-02 [OBD] 774 DragonFly 5.2.0 2018-04-10 [DFB] 775 DragonFly 5.2.1 2018-05-20 [DFB] 776 DragonFly 5.2.2 2018-06-18 [DFB] 777 FreeBSD 11.2 2018-06-27 [FBD] 778 NetBSD 8.0 2018-07-17 [NBD] 779 NetBSD 7.2 2018-08-29 [NBD] 780 macOS 10.14 2018-09-24 [APL] 781 OpenBSD 6.4 2018-10-18 [OBD] 782 DragonFly 5.4.0 2018-12-03 [DFB] 783 FreeBSD 12.0 2018-12-11 [FBD] 784 DragonFly 5.4.1 2018-12-24 [DFB] 785 OpenBSD 6.5 2019-05-01 [OBD] 786 NetBSD 8.1 2019-06-04 [NBD] 787 DragonFly 5.6 2019-06-17 [DFB] 788 DragonFly 5.6.1 2019-06-19 [DFB] 789 790 Bibliography 791 ------------------------ 792 793 Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 794 Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 795 System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 796 797 Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 798 Company, Inc., 1994. ISBN 0-201-54777-5 799 800 McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 801 Quarterman. The Design and Implementation of the 4.4BSD Operating 802 System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 803 804 McKusick, Marshall Kirk, George Neville-Neil. The Design and 805 Implementation of the FreeBSD Operating System. 806 Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 807 808 McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The 809 Design and Implementation of the FreeBSD Operating System, 2nd Edition. 810 Pearson Education, Inc., 2014. ISBN 0-321-96897-2 811 812 Doug McIlroy. Research Unix Reader. 813 814 Michael G. Brown. The Role of BSD in the Development of Unix. 815 Presented to the Tasmanian Unix Special Interest Group of the 816 Australian Computer Society, Hobart, August 1993. 817 818 Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 819 URL: http://www.byte.com/art/9410/sec8/art3.htm 820 821 Andreas Klemm, Lars Kller. If you're going to San Francisco ... 822 Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 823 824 BSD Release Announcements collection. 825 URL: https://www.FreeBSD.org/releases/ 826 827 BSD Hypertext Man Pages 828 URL: https://www.FreeBSD.org/cgi/man.cgi 829 830 UNIX history graphing project 831 URL: http://minnie.tuhs.org/Unix_History/index.html 832 833 UNIX history 834 URL: http://www.levenez.com/unix/ 835 836 James Howard: The BSD Family Tree 837 URL: http://ezine.daemonnews.org/200104/bsd_family.html 838 ("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 839 840 841 Acknowledgments 842 --------------- 843 844 Josh Gilliam for suggestions, bug fixes, and finding very old 845 original BSD announcements from Usenet or tapes. 846 847 Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 848 849 -- 850 Copyright (c) 1997-2012 Wolfram Schneider <wosch (a] FreeBSD.ORG> 851 URL: https://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 852 853 $FreeBSD: head/share/misc/bsd-family-tree 349295 2019-06-22 22:43:40Z sevan $ 854 $NetBSD: bsd-family-tree,v 1.75 2019/06/22 22:47:01 sevan Exp $ 855
Indexes created Thu Nov 06 02:09:54 GMT 2025