bsd-family-tree revision 1.78
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 | | | | | | 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 | | FreeBSD macOS | | | 404 | | 11.3 10.15 | | | 405 | FreeBSD | | OpenBSD 6.6 | 406 | 12.1 macOS | | | 407 | | 10.15.1 | | DragonFly 5.6.2 408 | | | *--NetBSD | | 409 | v | | 9.0 | | 410 | | | | | 411 FreeBSD 13 -current | NetBSD -current OpenBSD -current DragonFly -current 412 | | | | | 413 v v v v v 414 415 Time 416 ---------------- 417 418 Time tolerance +/- 6 months, depending on which book/article you read; if it 419 was the announcement in Usenet or if it was available as tape. 420 421 [44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 422 and John Quarterman. The Design and Implementation of 423 the 4.4BSD Operating System. 424 [APL] Apple website [https://www.apple.com/macosx/] 425 [BSDI] Berkeley Software Design, Inc. 426 [DFB] DragonFlyBSD Project, The. 427 [DOC] README, COPYRIGHT on tape. 428 [FBD] FreeBSD Project, The. 429 [KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 430 Volume 11, Info 4, April, 1987. 431 [KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 432 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 433 [KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 434 Changes in the Kernel in 2.9BSD. Second Berkeley Software 435 Distribution UNIX Version 2.9, July, 1983. 436 [NBD] NetBSD Project, The. 437 [OBD] OpenBSD Project, The. 438 [QCU] Salus, Peter H. A quarter century of UNIX. 439 [SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 440 [TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 441 [USE] Usenet announcement. 442 [WRS] Wind River Systems, Inc. 443 [dmr] Dennis Ritchie, via E-Mail 444 445 Multics 1965 446 UNIX Summer 1969 447 DEC PDP-7 448 First Edition 1971-11-03 [QCU] 449 DEC PDP-11/20, Assembler 450 Second Edition 1972-06-12 [QCU] 451 10 UNIX installations 452 Third Edition 1973-02-xx [QCU] 453 Pipes, 16 installations 454 Fourth Edition 1973-11-xx [QCU] 455 rewriting in C effected, 456 above 30 installations 457 Fifth Edition 1974-06-xx [QCU] 458 above 50 installations 459 Sixth Edition 1975-05-xx [QCU] 460 port to DEC Vax 461 Seventh Edition 1979-01-xx [QCU] 1979-01-10 [TUHS] 462 first portable UNIX 463 Eighth Edition 1985-02-xx [QCU] 464 VAX 11/750, VAX 11/780 [dmr] 465 descended from 4.1c BSD [dmr] 466 descended from 4.1 BSD [44B] 467 scooping-out and replacement of the character-device 468 and networking part by the streams mechanism 469 470 Ninth Edition 1986-09-xx [QCU] 471 Tenth Edition 1989-10-xx [QCU] 472 473 1BSD late 1977 474 1978-03-09 [QCU] 475 PDP-11, Pascal, ex(1) 476 30 free copies of 1BSD sent out 477 35 tapes sold for 50 USD [QCU] 478 2BSD mid 1978 [QCU] 1979-05-10 [TUHS] 479 75 2BSD tapes shipped 480 2.79BSD 1980-04-xx [TUHS] 481 2.8BSD 1981-07-xx [KSJ] 482 483 2.8.1BSD 1982-01-xx [QCU] 484 set of performance improvements 485 2.9BSD 1983-07-xx [KSJ] 486 2.9.1BSD 1983-11-xx [TUHS] 487 2.9BSD-Seismo 1985-08-xx [SMS] 488 2.10BSD 1987-04-xx [KKK] 489 2.10.1BSD 1989-01-xx [SMS] 490 2.11BSD 1992-02-xx [SMS] 491 2.11BSD rev #430 1999-12-13 [SMS] 492 493 32V 1978-1[01]-xx [QCU] 1979-03-26 [TUHS] 494 3BSD late 1979 [QCU] March 1980 [TUHS] 495 virtual memory, page replacement, 496 demand paging 497 4.0BSD 1980-10-xx 498 4.1BSD 1981-07-08 [DOC] 499 4.1aBSD 1982-04-xx 500 alpha release, 100 sites, networking [44B] 501 4.1bBSD internal release, fast filesystem [44B] 502 4.1cBSD late 1982 503 beta release, IPC [44B] 504 4.2BSD 1983-09-xx [QCU] 505 1983-08-03 [DOC] 506 4.3BSD 1986-06-xx [QCU] 507 1986-04-05 [KB], [DOC] 508 4.3BSD Tahoe 1988-06-15 [QCU], [DOC] 509 4.3BSD NET/1 1988-11-xx [QCU] 510 1989-01-01 [DOC] 511 4.3BSD Reno 1990-06-29 [QCU], [DOC] 512 4.3BSD NET/2 1991-06-28 [QCU], [DOC] 513 514 BSD/386 ALPHA 1991-12-xx [BSDI] 515 first code released to people outside BSDI 516 386BSD 0.0 1992-02-xx [DOC] 517 BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 518 BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 519 386BSD 0.1 1992-07-28 [DOC] 520 4.4BSD Alpha 1992-07-07 521 BSD/386 0.9.3 1992-10-xx [BSDI] 522 first external gamma; G customers 523 BSD/386 0.9.4 1992-12-xx [BSDI] 524 would have been 1.0 except for request 525 for preliminary injunction 526 BSD/386 1.0 1993-03-xx [BSDI] 527 injunction denied; first official release 528 NetBSD 0.8 1993-04-20 [NBD] 529 4.4BSD 1993-06-01 [USE] 530 NetBSD 0.9 1993-08-23 [NBD] 531 FreeBSD 1.0 1993-11-01 [FBD] 532 FreeBSD 1.0.2 1993-11-14 [FBD] 533 supersedes 1.0 13 days after release. 534 BSD/386 1.1 1994-02-xx [BSDI] 535 4.4BSD Lite 1994-03-01 [USE] 536 FreeBSD 1.1 1994-05-07 [FBD] 537 FreeBSD 1.1.5 1994-06-30 [FBD] 538 FreeBSD 1.1.5.1 1994-07-05 [FBD] 539 supersedes 1.1.5 5 days after release. 540 NetBSD 1.0 1994-10-26 [NBD] 541 386BSD 1.0 1994-11-12 [USE] 542 FreeBSD 2.0 1994-11-23 [FBD] 543 BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 544 FreeBSD 2.0.5 1995-06-10 [FBD] 545 BSD/OS 2.0.1 1995-06-xx [BSDI] 546 4.4BSD Lite Release 2 1995-06-xx [44B] 547 the true final distribution from the CSRG 548 FreeBSD 2.1.0 1995-11-19 [FBD] 549 NetBSD 1.1 1995-11-26 [NBD] 550 BSD/OS 2.1 1996-01-xx [BSDI] 551 FreeBSD 2.1.5 1996-07-14 [FBD] 552 NetBSD 1.2 1996-10-04 [NBD] 553 OpenBSD 2.0 1996-10-18 [OBD] 554 FreeBSD 2.1.6 1996-11-16 [FBD] 555 FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 556 Rhapsody 1997-xx-xx 557 FreeBSD 2.1.7 1997-02-20 [FBD] 558 BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 559 FreeBSD 2.2.0 1997-03-16 [FBD] 560 FreeBSD 2.2.1 1997-03-25 [FBD] 561 FreeBSD 2.2.2 1997-05-16 [FBD] 562 NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 563 OpenBSD 2.1 1997-06-01 [OBD] 564 FreeBSD 2.2.5 1997-10-22 [FBD] 565 OpenBSD 2.2 1997-12-01 [OBD] 566 NetBSD 1.3 1998-01-04 [NBD] 567 FreeBSD 2.2.6 1998-03-25 [FBD] 568 NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 569 BSD/OS 3.1 1998-03-xx [BSDI] 570 OpenBSD 2.3 1998-05-19 [OBD] 571 NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 572 FreeBSD 2.2.7 1998-07-22 [FBD] 573 BSD/OS 4.0 1998-08-xx [BSDI] 574 2-lock MP support, ELF executables 575 FreeBSD 3.0 1998-10-16 [FBD] 576 FreeBSD-3.0 is a snapshot from -current, 577 while 3.1 and 3.2 are from 3.x-stable which 578 was branched quite some time after 3.0-release 579 FreeBSD 2.2.8 1998-11-29 [FBD] 580 OpenBSD 2.4 1998-12-01 [OBD] 581 NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 582 FreeBSD 3.1 1999-02-15 [FBD] 583 BSD/OS 4.0.1 1999-03-xx [BSDI] 584 NetBSD 1.4 1999-05-12 [NBD] 585 FreeBSD 3.2 1999-05-17 [FBD] 586 OpenBSD 2.5 1999-05-19 [OBD] 587 NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 588 FreeBSD 3.3 1999-09-17 [FBD] 589 OpenBSD 2.6 1999-12-01 [OBD] 590 FreeBSD 3.4 1999-12-20 [FBD] 591 BSD/OS 4.1 1999-12-xx [BSDI] 592 FreeBSD 4.0 2000-03-13 [FBD] 593 NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 594 OpenBSD 2.7 2000-06-15 [OBD] 595 FreeBSD 3.5 2000-06-24 [FBD] 596 FreeBSD 4.1 2000-07-27 [FBD] 597 FreeBSD 3.5.1 2000-07-28 [FBD] 598 FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 599 FreeBSD 4.2 2000-11-21 [FBD] 600 NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 601 BSD/OS 4.2 2000-11-29 [BSDI] 602 OpenBSD 2.8 2000-12-01 [OBD] 603 NetBSD 1.5 2000-12-06 [NBD] 604 Mac OS X 10.0 2001-03-24 [APL] 605 FreeBSD 4.3 2001-04-20 [FBD] 606 OpenBSD 2.9 2001-06-01 [OBD] 607 NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 608 NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 609 FreeBSD 4.4 2001-09-18 [FBD] 610 Mac OS X 10.1 2001-09-29 [APL] 611 OpenBSD 3.0 2001-12-01 [OBD] 612 FreeBSD 4.5 2002-01-29 [FBD] 613 BSD/OS 4.3 2002-03-14 [WRS] 614 OpenBSD 3.1 2002-05-19 [OBD] 615 FreeBSD 4.6 2002-06-15 [FBD] 616 NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 617 FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 618 Mac OS X 10.2 2002-08-23 [APL] 619 NetBSD 1.6 2002-09-14 [NBD] 620 FreeBSD 4.7 2002-10-08 [FBD] 621 OpenBSD 3.2 2002-11-01 [OBD] 622 FreeBSD 5.0 2003-01-17 [FBD] 623 FreeBSD 5.0 is a separate branch off of 624 -current, similar to 3.0. 625 FreeBSD 4.8 2003-04-03 [FBD] 626 NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 627 OpenBSD 3.3 2003-05-01 [OBD] 628 BSD/OS 5.0 2003-05-?? [WRS] 629 FreeBSD 5.1 2003-06-09 [FBD] 630 Mac OS X 10.3 2003-10-24 [APL] 631 FreeBSD 4.9 2003-10-28 [FBD] 632 BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 633 OpenBSD 3.4 2003-11-01 [OBD] 634 FreeBSD 5.2 2004-01-12 [FBD] 635 FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 636 NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 637 OpenBSD 3.5 2004-04-01 [OBD] 638 FreeBSD 4.10 2004-05-27 [FBD] 639 DragonFly 1.0 2004-07-12 [DFB] 640 OpenBSD 3.6 2004-10-29 [OBD] 641 FreeBSD 5.3 2004-11-06 [FBD] 642 NetBSD 2.0 2004-12-09 [NBD] 643 FreeBSD 4.11 2005-01-25 [FBD] 644 DragonFly 1.2.0 2005-04-08 [DFB] 645 NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 646 Mac OS X 10.4 2005-04-29 [APL] 647 FreeBSD 5.4 2005-05-09 [FBD] 648 OpenBSD 3.7 2005-05-19 [OBD] 649 NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 650 OpenBSD 3.8 2005-11-01 [OBD] 651 FreeBSD 6.0 2005-11-01 [FBD] 652 NetBSD 2.1 2005-11-02 [NBD] 653 NetBSD 3.0 2005-12-23 [NBD] 654 DragonFly 1.4.0 2006-01-08 [DFB] 655 FreeBSD 2.2.9 2006-04-01 [FBD] 656 OpenBSD 3.9 2006-05-01 [OBD] 657 FreeBSD 6.1 2006-05-08 [FBD] 658 FreeBSD 5.5 2006-05-25 [FBD] 659 NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 660 DragonFly 1.6.0 2006-07-24 [DFB] 661 OpenBSD 4.0 2006-11-01 [OBD] 662 NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 663 NetBSD 3.1 2006-11-04 [NBD] 664 FreeBSD 6.2 2007-01-15 [FBD] 665 DragonFly 1.8.0 2007-01-30 [DFB] 666 OpenBSD 4.1 2007-05-01 [OBD] 667 DragonFly 1.10.0 2007-08-06 [DFB] 668 Mac OS X 10.5 2007-10-26 [APL] 669 OpenBSD 4.2 2007-11-01 [OBD] 670 NetBSD 4.0 2007-12-19 [NBD] 671 FreeBSD 6.3 2008-01-18 [FBD] 672 DragonFly 1.12.0 2008-02-26 [DFB] 673 FreeBSD 7.0 2008-02-27 [FBD] 674 OpenBSD 4.3 2008-05-01 [OBD] 675 DragonFly 2.0.0 2008-07-21 [DFB] 676 OpenBSD 4.4 2008-11-01 [OBD] 677 FreeBSD 6.4 2008-11-28 [FBD] 678 FreeBSD 7.1 2009-01-04 [FBD] 679 DragonFly 2.2.0 2009-02-17 [DFB] 680 NetBSD 5.0 2009-04-29 [NBD] 681 OpenBSD 4.5 2009-05-01 [OBD] 682 FreeBSD 7.2 2009-05-04 [FBD] 683 Mac OS X 10.6 2009-06-08 [APL] 684 NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 685 DragonFly 2.4.0 2009-09-16 [DFB] 686 OpenBSD 4.6 2009-10-18 [OBD] 687 FreeBSD 8.0 2009-11-26 [FBD] 688 NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 689 FreeBSD 7.3 2010-03-23 [FBD] 690 DragonFly 2.6.0 2010-03-28 [DFB] 691 OpenBSD 4.7 2010-05-19 [OBD] 692 FreeBSD 8.1 2010-07-24 [FBD] 693 DragonFly 2.8.2 2010-10-30 [DFB] 694 OpenBSD 4.8 2010-11-01 [OBD] 695 NetBSD 5.1 2010-11-19 [NBD] 696 FreeBSD 7.4 2011-02-24 [FBD] 697 FreeBSD 8.2 2011-02-24 [FBD] 698 DragonFly 2.10.1 2011-04-26 [DFB] 699 OpenBSD 4.9 2011-05-01 [OBD] 700 Mac OS X 10.7 2011-07-20 [APL] 701 OpenBSD 5.0 2011-11-01 [OBD] 702 FreeBSD 9.0 2012-01-12 [FBD] 703 NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 704 DragonFly 3.0.1 2012-02-21 [DFB] 705 FreeBSD 8.3 2012-04-18 [FBD] 706 OpenBSD 5.1 2012-05-01 [OBD] 707 Mac OS X 10.8 2012-07-25 [APL] 708 NetBSD 6.0 2012-10-17 [NBD] 709 OpenBSD 5.2 2012-11-01 [OBD] 710 DragonFly 3.2.1 2012-11-02 [DFB] 711 NetBSD 5.2 2012-12-03 [NBD] 712 NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 713 FreeBSD 9.1 2012-12-30 [FBD] 714 DragonFly 3.4.1 2013-04-29 [DFB] 715 OpenBSD 5.3 2013-05-01 [OBD] 716 NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 717 NetBSD 6.1 2013-05-18 [NBD] 718 FreeBSD 8.4 2013-06-07 [FBD] 719 NetBSD 6.1.1 2013-08-22 [NBD] 720 NetBSD 5.1.3 2013-09-29 [NBD] 721 NetBSD 5.2.1 2013-09-29 [NBD] 722 FreeBSD 9.2 2013-09-30 [FBD] 723 NetBSD 6.0.3 2013-09-30 [NBD] 724 NetBSD 6.1.2 2013-09-30 [NBD] 725 Mac OS X 10.9 2013-10-22 [APL] 726 OpenBSD 5.4 2013-11-01 [OBD] 727 DragonFly 3.6.0 2013-11-25 [DFB] 728 FreeBSD 10.0 2014-01-20 [FBD] 729 NetBSD 5.1.4 2014-01-25 [NBD] 730 NetBSD 5.2.2 2014-01-25 [NBD] 731 NetBSD 6.0.4 2014-01-25 [NBD] 732 NetBSD 6.1.3 2014-01-25 [NBD] 733 DragonFly 3.6.1 2014-02-22 [DFB] 734 DragonFly 3.6.2 2014-04-10 [DFB] 735 NetBSD 6.0.5 2014-04-12 [NBD] 736 NetBSD 6.1.4 2014-04-12 [NBD] 737 OpenBSD 5.5 2014-05-01 [OBD] 738 DragonFly 3.8.0 2014-06-04 [DFB] 739 DragonFly 3.8.1 2014-06-16 [DFB] 740 DragonFly 3.6.3 2014-06-17 [DFB] 741 FreeBSD 9.3 2014-07-05 [FBD] 742 DragonFly 3.8.2 2014-08-08 [DFB] 743 NetBSD 6.0.6 2014-09-22 [NBD] 744 NetBSD 6.1.5 2014-09-22 [NBD] 745 Mac OS X 10.10 2014-10-16 [APL] 746 OpenBSD 5.6 2014-11-01 [OBD] 747 FreeBSD 10.1 2014-11-14 [FBD] 748 DragonFly 4.0.1 2014-11-25 [DFB] 749 DragonFly 4.0.2 2015-01-07 [DFB] 750 DragonFly 4.0.3 2015-01-21 [DFB] 751 DragonFly 4.0.4 2015-03-09 [DFB] 752 DragonFly 4.0.5 2015-03-23 [DFB] 753 OpenBSD 5.7 2015-05-01 [OBD] 754 DragonFly 4.2.0 2015-06-29 [DFB] 755 FreeBSD 10.2 2015-08-13 [FBD] 756 NetBSD 7.0 2015-09-25 [NBD] 757 OS X 10.11 2015-09-30 [APL] 758 OpenBSD 5.8 2015-10-18 [OBD] 759 DragonFly 4.4.1 2015-12-07 [DFB] 760 OpenBSD 5.9 2016-03-29 [OBD] 761 FreeBSD 10.3 2016-04-04 [FBD] 762 NetBSD 7.0.1 2016-05-22 [NBD] 763 DragonFly 4.6.0 2016-08-02 [DFB] 764 OpenBSD 6.0 2016-09-01 [OBD] 765 macOS 10.12 2016-09-20 [APL] 766 FreeBSD 11.0 2016-10-10 [FBD] 767 NetBSD 7.0.2 2016-10-21 [NBD] 768 NetBSD 7.1 2017-03-11 [NBD] 769 DragonFly 4.8.0 2017-03-27 [DFB] 770 OpenBSD 6.1 2017-04-11 [OBD] 771 FreeBSD 11.1 2017-07-26 [FBD] 772 macOS 10.13 2017-09-25 [APL] 773 FreeBSD 10.4 2017-10-03 [FBD] 774 OpenBSD 6.2 2017-10-09 [OBD] 775 DragonFly 5.0.0 2017-10-16 [DFB] 776 DragonFly 5.0.1 2017-11-06 [DFB] 777 DragonFly 5.0.2 2017-12-04 [DFB] 778 NetBSD 7.1.1 2017-12-22 [NBD] 779 NetBSD 7.1.2 2018-03-15 [NBD] 780 OpenBSD 6.3 2018-04-02 [OBD] 781 DragonFly 5.2.0 2018-04-10 [DFB] 782 DragonFly 5.2.1 2018-05-20 [DFB] 783 DragonFly 5.2.2 2018-06-18 [DFB] 784 FreeBSD 11.2 2018-06-27 [FBD] 785 NetBSD 8.0 2018-07-17 [NBD] 786 NetBSD 7.2 2018-08-29 [NBD] 787 macOS 10.14 2018-09-24 [APL] 788 OpenBSD 6.4 2018-10-18 [OBD] 789 DragonFly 5.4.0 2018-12-03 [DFB] 790 FreeBSD 12.0 2018-12-11 [FBD] 791 DragonFly 5.4.1 2018-12-24 [DFB] 792 OpenBSD 6.5 2019-05-01 [OBD] 793 NetBSD 8.1 2019-06-04 [NBD] 794 DragonFly 5.6 2019-06-17 [DFB] 795 DragonFly 5.6.1 2019-06-19 [DFB] 796 FreeBSD 11.3 2019-07-09 [FBD] 797 DragonFly 5.6.2 2019-08-11 [DFB] 798 OpenBSD 6.6 2019-10-17 [OBD] 799 macOS 10.15 2019-10-07 [APL] 800 macOS 10.15.1 2019-10-29 [APL] (security/critical release) 801 FreeBSD 12.1 2019-11-04 [FBD] 802 NetBSD 9.0 2020-02-15 [NBD] 803 804 Bibliography 805 ------------------------ 806 807 Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 808 Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 809 System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 810 811 Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 812 Company, Inc., 1994. ISBN 0-201-54777-5 813 814 McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 815 Quarterman. The Design and Implementation of the 4.4BSD Operating 816 System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 817 818 McKusick, Marshall Kirk, George Neville-Neil. The Design and 819 Implementation of the FreeBSD Operating System. 820 Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 821 822 McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The 823 Design and Implementation of the FreeBSD Operating System, 2nd Edition. 824 Pearson Education, Inc., 2014. ISBN 0-321-96897-2 825 826 Doug McIlroy. Research Unix Reader. 827 828 Michael G. Brown. The Role of BSD in the Development of Unix. 829 Presented to the Tasmanian Unix Special Interest Group of the 830 Australian Computer Society, Hobart, August 1993. 831 832 Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 833 URL: http://www.byte.com/art/9410/sec8/art3.htm 834 835 Andreas Klemm, Lars Kller. If you're going to San Francisco ... 836 Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 837 838 BSD Release Announcements collection. 839 URL: https://www.FreeBSD.org/releases/ 840 841 BSD Hypertext Man Pages 842 URL: https://www.FreeBSD.org/cgi/man.cgi 843 844 UNIX history graphing project 845 URL: http://minnie.tuhs.org/Unix_History/index.html 846 847 UNIX history 848 URL: http://www.levenez.com/unix/ 849 850 James Howard: The BSD Family Tree 851 URL: http://ezine.daemonnews.org/200104/bsd_family.html 852 ("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 853 854 855 Acknowledgments 856 --------------- 857 858 Josh Gilliam for suggestions, bug fixes, and finding very old 859 original BSD announcements from Usenet or tapes. 860 861 Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 862 863 -- 864 Copyright (c) 1997-2012 Wolfram Schneider <wosch (a] FreeBSD.ORG> 865 URL: https://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 866 867 $FreeBSD: head/share/misc/bsd-family-tree 358254 2020-02-22 23:36:10Z sevan $ 868 $NetBSD: bsd-family-tree,v 1.78 2020/02/22 23:38:04 sevan Exp $ 869
Indexes created Wed Nov 05 01:09:58 GMT 2025