bsd-family-tree revision 1.80
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 | | | | DragonFly 5.8 412 | | | | | 413 | | | | DragonFly 5.6.3 414 | | | | | 415 FreeBSD 13 -current | NetBSD -current OpenBSD -current DragonFly -current 416 | | | | | 417 v v v v v 418 419 Time 420 ---------------- 421 422 Time tolerance +/- 6 months, depending on which book/article you read; if it 423 was the announcement in Usenet or if it was available as tape. 424 425 [44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 426 and John Quarterman. The Design and Implementation of 427 the 4.4BSD Operating System. 428 [APL] Apple website [https://www.apple.com/macosx/] 429 [BSDI] Berkeley Software Design, Inc. 430 [DFB] DragonFlyBSD Project, The. 431 [DOC] README, COPYRIGHT on tape. 432 [FBD] FreeBSD Project, The. 433 [KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 434 Volume 11, Info 4, April, 1987. 435 [KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 436 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 437 [KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 438 Changes in the Kernel in 2.9BSD. Second Berkeley Software 439 Distribution UNIX Version 2.9, July, 1983. 440 [NBD] NetBSD Project, The. 441 [OBD] OpenBSD Project, The. 442 [QCU] Salus, Peter H. A quarter century of UNIX. 443 [SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 444 [TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 445 [USE] Usenet announcement. 446 [WRS] Wind River Systems, Inc. 447 [dmr] Dennis Ritchie, via E-Mail 448 449 Multics 1965 450 UNIX Summer 1969 451 DEC PDP-7 452 First Edition 1971-11-03 [QCU] 453 DEC PDP-11/20, Assembler 454 Second Edition 1972-06-12 [QCU] 455 10 UNIX installations 456 Third Edition 1973-02-xx [QCU] 457 Pipes, 16 installations 458 Fourth Edition 1973-11-xx [QCU] 459 rewriting in C effected, 460 above 30 installations 461 Fifth Edition 1974-06-xx [QCU] 462 above 50 installations 463 Sixth Edition 1975-05-xx [QCU] 464 port to DEC Vax 465 Seventh Edition 1979-01-xx [QCU] 1979-01-10 [TUHS] 466 first portable UNIX 467 Eighth Edition 1985-02-xx [QCU] 468 VAX 11/750, VAX 11/780 [dmr] 469 descended from 4.1c BSD [dmr] 470 descended from 4.1 BSD [44B] 471 scooping-out and replacement of the character-device 472 and networking part by the streams mechanism 473 474 Ninth Edition 1986-09-xx [QCU] 475 Tenth Edition 1989-10-xx [QCU] 476 477 1BSD late 1977 478 1978-03-09 [QCU] 479 PDP-11, Pascal, ex(1) 480 30 free copies of 1BSD sent out 481 35 tapes sold for 50 USD [QCU] 482 2BSD mid 1978 [QCU] 1979-05-10 [TUHS] 483 75 2BSD tapes shipped 484 2.79BSD 1980-04-xx [TUHS] 485 2.8BSD 1981-07-xx [KSJ] 486 487 2.8.1BSD 1982-01-xx [QCU] 488 set of performance improvements 489 2.9BSD 1983-07-xx [KSJ] 490 2.9.1BSD 1983-11-xx [TUHS] 491 2.9BSD-Seismo 1985-08-xx [SMS] 492 2.10BSD 1987-04-xx [KKK] 493 2.10.1BSD 1989-01-xx [SMS] 494 2.11BSD 1992-02-xx [SMS] 495 2.11BSD rev #430 1999-12-13 [SMS] 496 497 32V 1978-1[01]-xx [QCU] 1979-03-26 [TUHS] 498 3BSD late 1979 [QCU] March 1980 [TUHS] 499 virtual memory, page replacement, 500 demand paging 501 4.0BSD 1980-10-xx 502 4.1BSD 1981-07-08 [DOC] 503 4.1aBSD 1982-04-xx 504 alpha release, 100 sites, networking [44B] 505 4.1bBSD internal release, fast filesystem [44B] 506 4.1cBSD late 1982 507 beta release, IPC [44B] 508 4.2BSD 1983-09-xx [QCU] 509 1983-08-03 [DOC] 510 4.3BSD 1986-06-xx [QCU] 511 1986-04-05 [KB], [DOC] 512 4.3BSD Tahoe 1988-06-15 [QCU], [DOC] 513 4.3BSD NET/1 1988-11-xx [QCU] 514 1989-01-01 [DOC] 515 4.3BSD Reno 1990-06-29 [QCU], [DOC] 516 4.3BSD NET/2 1991-06-28 [QCU], [DOC] 517 518 BSD/386 ALPHA 1991-12-xx [BSDI] 519 first code released to people outside BSDI 520 386BSD 0.0 1992-02-xx [DOC] 521 BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 522 BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 523 386BSD 0.1 1992-07-28 [DOC] 524 4.4BSD Alpha 1992-07-07 525 BSD/386 0.9.3 1992-10-xx [BSDI] 526 first external gamma; G customers 527 BSD/386 0.9.4 1992-12-xx [BSDI] 528 would have been 1.0 except for request 529 for preliminary injunction 530 BSD/386 1.0 1993-03-xx [BSDI] 531 injunction denied; first official release 532 NetBSD 0.8 1993-04-20 [NBD] 533 4.4BSD 1993-06-01 [USE] 534 NetBSD 0.9 1993-08-23 [NBD] 535 FreeBSD 1.0 1993-11-01 [FBD] 536 FreeBSD 1.0.2 1993-11-14 [FBD] 537 supersedes 1.0 13 days after release. 538 BSD/386 1.1 1994-02-xx [BSDI] 539 4.4BSD Lite 1994-03-01 [USE] 540 FreeBSD 1.1 1994-05-07 [FBD] 541 FreeBSD 1.1.5 1994-06-30 [FBD] 542 FreeBSD 1.1.5.1 1994-07-05 [FBD] 543 supersedes 1.1.5 5 days after release. 544 NetBSD 1.0 1994-10-26 [NBD] 545 386BSD 1.0 1994-11-12 [USE] 546 FreeBSD 2.0 1994-11-23 [FBD] 547 BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 548 FreeBSD 2.0.5 1995-06-10 [FBD] 549 BSD/OS 2.0.1 1995-06-xx [BSDI] 550 4.4BSD Lite Release 2 1995-06-xx [44B] 551 the true final distribution from the CSRG 552 FreeBSD 2.1.0 1995-11-19 [FBD] 553 NetBSD 1.1 1995-11-26 [NBD] 554 BSD/OS 2.1 1996-01-xx [BSDI] 555 FreeBSD 2.1.5 1996-07-14 [FBD] 556 NetBSD 1.2 1996-10-04 [NBD] 557 OpenBSD 2.0 1996-10-18 [OBD] 558 FreeBSD 2.1.6 1996-11-16 [FBD] 559 FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 560 Rhapsody 1997-xx-xx 561 FreeBSD 2.1.7 1997-02-20 [FBD] 562 BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 563 FreeBSD 2.2.0 1997-03-16 [FBD] 564 FreeBSD 2.2.1 1997-03-25 [FBD] 565 FreeBSD 2.2.2 1997-05-16 [FBD] 566 NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 567 OpenBSD 2.1 1997-06-01 [OBD] 568 FreeBSD 2.2.5 1997-10-22 [FBD] 569 OpenBSD 2.2 1997-12-01 [OBD] 570 NetBSD 1.3 1998-01-04 [NBD] 571 FreeBSD 2.2.6 1998-03-25 [FBD] 572 NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 573 BSD/OS 3.1 1998-03-xx [BSDI] 574 OpenBSD 2.3 1998-05-19 [OBD] 575 NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 576 FreeBSD 2.2.7 1998-07-22 [FBD] 577 BSD/OS 4.0 1998-08-xx [BSDI] 578 2-lock MP support, ELF executables 579 FreeBSD 3.0 1998-10-16 [FBD] 580 FreeBSD-3.0 is a snapshot from -current, 581 while 3.1 and 3.2 are from 3.x-stable which 582 was branched quite some time after 3.0-release 583 FreeBSD 2.2.8 1998-11-29 [FBD] 584 OpenBSD 2.4 1998-12-01 [OBD] 585 NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 586 FreeBSD 3.1 1999-02-15 [FBD] 587 BSD/OS 4.0.1 1999-03-xx [BSDI] 588 NetBSD 1.4 1999-05-12 [NBD] 589 FreeBSD 3.2 1999-05-17 [FBD] 590 OpenBSD 2.5 1999-05-19 [OBD] 591 NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 592 FreeBSD 3.3 1999-09-17 [FBD] 593 OpenBSD 2.6 1999-12-01 [OBD] 594 FreeBSD 3.4 1999-12-20 [FBD] 595 BSD/OS 4.1 1999-12-xx [BSDI] 596 FreeBSD 4.0 2000-03-13 [FBD] 597 NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 598 OpenBSD 2.7 2000-06-15 [OBD] 599 FreeBSD 3.5 2000-06-24 [FBD] 600 FreeBSD 4.1 2000-07-27 [FBD] 601 FreeBSD 3.5.1 2000-07-28 [FBD] 602 FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 603 FreeBSD 4.2 2000-11-21 [FBD] 604 NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 605 BSD/OS 4.2 2000-11-29 [BSDI] 606 OpenBSD 2.8 2000-12-01 [OBD] 607 NetBSD 1.5 2000-12-06 [NBD] 608 Mac OS X 10.0 2001-03-24 [APL] 609 FreeBSD 4.3 2001-04-20 [FBD] 610 OpenBSD 2.9 2001-06-01 [OBD] 611 NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 612 NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 613 FreeBSD 4.4 2001-09-18 [FBD] 614 Mac OS X 10.1 2001-09-29 [APL] 615 OpenBSD 3.0 2001-12-01 [OBD] 616 FreeBSD 4.5 2002-01-29 [FBD] 617 BSD/OS 4.3 2002-03-14 [WRS] 618 OpenBSD 3.1 2002-05-19 [OBD] 619 FreeBSD 4.6 2002-06-15 [FBD] 620 NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 621 FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 622 Mac OS X 10.2 2002-08-23 [APL] 623 NetBSD 1.6 2002-09-14 [NBD] 624 FreeBSD 4.7 2002-10-08 [FBD] 625 OpenBSD 3.2 2002-11-01 [OBD] 626 FreeBSD 5.0 2003-01-17 [FBD] 627 FreeBSD 5.0 is a separate branch off of 628 -current, similar to 3.0. 629 FreeBSD 4.8 2003-04-03 [FBD] 630 NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 631 OpenBSD 3.3 2003-05-01 [OBD] 632 BSD/OS 5.0 2003-05-?? [WRS] 633 FreeBSD 5.1 2003-06-09 [FBD] 634 Mac OS X 10.3 2003-10-24 [APL] 635 FreeBSD 4.9 2003-10-28 [FBD] 636 BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 637 OpenBSD 3.4 2003-11-01 [OBD] 638 FreeBSD 5.2 2004-01-12 [FBD] 639 FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 640 NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 641 OpenBSD 3.5 2004-04-01 [OBD] 642 FreeBSD 4.10 2004-05-27 [FBD] 643 DragonFly 1.0 2004-07-12 [DFB] 644 OpenBSD 3.6 2004-10-29 [OBD] 645 FreeBSD 5.3 2004-11-06 [FBD] 646 NetBSD 2.0 2004-12-09 [NBD] 647 FreeBSD 4.11 2005-01-25 [FBD] 648 DragonFly 1.2.0 2005-04-08 [DFB] 649 NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 650 Mac OS X 10.4 2005-04-29 [APL] 651 FreeBSD 5.4 2005-05-09 [FBD] 652 OpenBSD 3.7 2005-05-19 [OBD] 653 NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 654 OpenBSD 3.8 2005-11-01 [OBD] 655 FreeBSD 6.0 2005-11-01 [FBD] 656 NetBSD 2.1 2005-11-02 [NBD] 657 NetBSD 3.0 2005-12-23 [NBD] 658 DragonFly 1.4.0 2006-01-08 [DFB] 659 FreeBSD 2.2.9 2006-04-01 [FBD] 660 OpenBSD 3.9 2006-05-01 [OBD] 661 FreeBSD 6.1 2006-05-08 [FBD] 662 FreeBSD 5.5 2006-05-25 [FBD] 663 NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 664 DragonFly 1.6.0 2006-07-24 [DFB] 665 OpenBSD 4.0 2006-11-01 [OBD] 666 NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 667 NetBSD 3.1 2006-11-04 [NBD] 668 FreeBSD 6.2 2007-01-15 [FBD] 669 DragonFly 1.8.0 2007-01-30 [DFB] 670 OpenBSD 4.1 2007-05-01 [OBD] 671 DragonFly 1.10.0 2007-08-06 [DFB] 672 Mac OS X 10.5 2007-10-26 [APL] 673 OpenBSD 4.2 2007-11-01 [OBD] 674 NetBSD 4.0 2007-12-19 [NBD] 675 FreeBSD 6.3 2008-01-18 [FBD] 676 DragonFly 1.12.0 2008-02-26 [DFB] 677 FreeBSD 7.0 2008-02-27 [FBD] 678 OpenBSD 4.3 2008-05-01 [OBD] 679 DragonFly 2.0.0 2008-07-21 [DFB] 680 OpenBSD 4.4 2008-11-01 [OBD] 681 FreeBSD 6.4 2008-11-28 [FBD] 682 FreeBSD 7.1 2009-01-04 [FBD] 683 DragonFly 2.2.0 2009-02-17 [DFB] 684 NetBSD 5.0 2009-04-29 [NBD] 685 OpenBSD 4.5 2009-05-01 [OBD] 686 FreeBSD 7.2 2009-05-04 [FBD] 687 Mac OS X 10.6 2009-06-08 [APL] 688 NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 689 DragonFly 2.4.0 2009-09-16 [DFB] 690 OpenBSD 4.6 2009-10-18 [OBD] 691 FreeBSD 8.0 2009-11-26 [FBD] 692 NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 693 FreeBSD 7.3 2010-03-23 [FBD] 694 DragonFly 2.6.0 2010-03-28 [DFB] 695 OpenBSD 4.7 2010-05-19 [OBD] 696 FreeBSD 8.1 2010-07-24 [FBD] 697 DragonFly 2.8.2 2010-10-30 [DFB] 698 OpenBSD 4.8 2010-11-01 [OBD] 699 NetBSD 5.1 2010-11-19 [NBD] 700 FreeBSD 7.4 2011-02-24 [FBD] 701 FreeBSD 8.2 2011-02-24 [FBD] 702 DragonFly 2.10.1 2011-04-26 [DFB] 703 OpenBSD 4.9 2011-05-01 [OBD] 704 Mac OS X 10.7 2011-07-20 [APL] 705 OpenBSD 5.0 2011-11-01 [OBD] 706 FreeBSD 9.0 2012-01-12 [FBD] 707 NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 708 DragonFly 3.0.1 2012-02-21 [DFB] 709 FreeBSD 8.3 2012-04-18 [FBD] 710 OpenBSD 5.1 2012-05-01 [OBD] 711 Mac OS X 10.8 2012-07-25 [APL] 712 NetBSD 6.0 2012-10-17 [NBD] 713 OpenBSD 5.2 2012-11-01 [OBD] 714 DragonFly 3.2.1 2012-11-02 [DFB] 715 NetBSD 5.2 2012-12-03 [NBD] 716 NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 717 FreeBSD 9.1 2012-12-30 [FBD] 718 DragonFly 3.4.1 2013-04-29 [DFB] 719 OpenBSD 5.3 2013-05-01 [OBD] 720 NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 721 NetBSD 6.1 2013-05-18 [NBD] 722 FreeBSD 8.4 2013-06-07 [FBD] 723 NetBSD 6.1.1 2013-08-22 [NBD] 724 NetBSD 5.1.3 2013-09-29 [NBD] 725 NetBSD 5.2.1 2013-09-29 [NBD] 726 FreeBSD 9.2 2013-09-30 [FBD] 727 NetBSD 6.0.3 2013-09-30 [NBD] 728 NetBSD 6.1.2 2013-09-30 [NBD] 729 Mac OS X 10.9 2013-10-22 [APL] 730 OpenBSD 5.4 2013-11-01 [OBD] 731 DragonFly 3.6.0 2013-11-25 [DFB] 732 FreeBSD 10.0 2014-01-20 [FBD] 733 NetBSD 5.1.4 2014-01-25 [NBD] 734 NetBSD 5.2.2 2014-01-25 [NBD] 735 NetBSD 6.0.4 2014-01-25 [NBD] 736 NetBSD 6.1.3 2014-01-25 [NBD] 737 DragonFly 3.6.1 2014-02-22 [DFB] 738 DragonFly 3.6.2 2014-04-10 [DFB] 739 NetBSD 6.0.5 2014-04-12 [NBD] 740 NetBSD 6.1.4 2014-04-12 [NBD] 741 OpenBSD 5.5 2014-05-01 [OBD] 742 DragonFly 3.8.0 2014-06-04 [DFB] 743 DragonFly 3.8.1 2014-06-16 [DFB] 744 DragonFly 3.6.3 2014-06-17 [DFB] 745 FreeBSD 9.3 2014-07-05 [FBD] 746 DragonFly 3.8.2 2014-08-08 [DFB] 747 NetBSD 6.0.6 2014-09-22 [NBD] 748 NetBSD 6.1.5 2014-09-22 [NBD] 749 Mac OS X 10.10 2014-10-16 [APL] 750 OpenBSD 5.6 2014-11-01 [OBD] 751 FreeBSD 10.1 2014-11-14 [FBD] 752 DragonFly 4.0.1 2014-11-25 [DFB] 753 DragonFly 4.0.2 2015-01-07 [DFB] 754 DragonFly 4.0.3 2015-01-21 [DFB] 755 DragonFly 4.0.4 2015-03-09 [DFB] 756 DragonFly 4.0.5 2015-03-23 [DFB] 757 OpenBSD 5.7 2015-05-01 [OBD] 758 DragonFly 4.2.0 2015-06-29 [DFB] 759 FreeBSD 10.2 2015-08-13 [FBD] 760 NetBSD 7.0 2015-09-25 [NBD] 761 OS X 10.11 2015-09-30 [APL] 762 OpenBSD 5.8 2015-10-18 [OBD] 763 DragonFly 4.4.1 2015-12-07 [DFB] 764 OpenBSD 5.9 2016-03-29 [OBD] 765 FreeBSD 10.3 2016-04-04 [FBD] 766 NetBSD 7.0.1 2016-05-22 [NBD] 767 DragonFly 4.6.0 2016-08-02 [DFB] 768 OpenBSD 6.0 2016-09-01 [OBD] 769 macOS 10.12 2016-09-20 [APL] 770 FreeBSD 11.0 2016-10-10 [FBD] 771 NetBSD 7.0.2 2016-10-21 [NBD] 772 NetBSD 7.1 2017-03-11 [NBD] 773 DragonFly 4.8.0 2017-03-27 [DFB] 774 OpenBSD 6.1 2017-04-11 [OBD] 775 FreeBSD 11.1 2017-07-26 [FBD] 776 macOS 10.13 2017-09-25 [APL] 777 FreeBSD 10.4 2017-10-03 [FBD] 778 OpenBSD 6.2 2017-10-09 [OBD] 779 DragonFly 5.0.0 2017-10-16 [DFB] 780 DragonFly 5.0.1 2017-11-06 [DFB] 781 DragonFly 5.0.2 2017-12-04 [DFB] 782 NetBSD 7.1.1 2017-12-22 [NBD] 783 NetBSD 7.1.2 2018-03-15 [NBD] 784 OpenBSD 6.3 2018-04-02 [OBD] 785 DragonFly 5.2.0 2018-04-10 [DFB] 786 DragonFly 5.2.1 2018-05-20 [DFB] 787 DragonFly 5.2.2 2018-06-18 [DFB] 788 FreeBSD 11.2 2018-06-27 [FBD] 789 NetBSD 8.0 2018-07-17 [NBD] 790 NetBSD 7.2 2018-08-29 [NBD] 791 macOS 10.14 2018-09-24 [APL] 792 OpenBSD 6.4 2018-10-18 [OBD] 793 DragonFly 5.4.0 2018-12-03 [DFB] 794 FreeBSD 12.0 2018-12-11 [FBD] 795 DragonFly 5.4.1 2018-12-24 [DFB] 796 OpenBSD 6.5 2019-05-01 [OBD] 797 NetBSD 8.1 2019-06-04 [NBD] 798 DragonFly 5.6 2019-06-17 [DFB] 799 DragonFly 5.6.1 2019-06-19 [DFB] 800 FreeBSD 11.3 2019-07-09 [FBD] 801 DragonFly 5.6.2 2019-08-11 [DFB] 802 OpenBSD 6.6 2019-10-17 [OBD] 803 macOS 10.15 2019-10-07 [APL] 804 macOS 10.15.1 2019-10-29 [APL] (security/critical release) 805 FreeBSD 12.1 2019-11-04 [FBD] 806 NetBSD 9.0 2020-02-14 [NBD] 807 DragonFly 5.8 2020-03-03 [DFB] 808 DragonFly 5.6.3 2020-03-11 [DFB] 809 810 Bibliography 811 ------------------------ 812 813 Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 814 Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 815 System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 816 817 Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 818 Company, Inc., 1994. ISBN 0-201-54777-5 819 820 McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 821 Quarterman. The Design and Implementation of the 4.4BSD Operating 822 System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 823 824 McKusick, Marshall Kirk, George Neville-Neil. The Design and 825 Implementation of the FreeBSD Operating System. 826 Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 827 828 McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The 829 Design and Implementation of the FreeBSD Operating System, 2nd Edition. 830 Pearson Education, Inc., 2014. ISBN 0-321-96897-2 831 832 Doug McIlroy. Research Unix Reader. 833 834 Michael G. Brown. The Role of BSD in the Development of Unix. 835 Presented to the Tasmanian Unix Special Interest Group of the 836 Australian Computer Society, Hobart, August 1993. 837 838 Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 839 URL: http://www.byte.com/art/9410/sec8/art3.htm 840 841 Andreas Klemm, Lars Kller. If you're going to San Francisco ... 842 Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 843 844 BSD Release Announcements collection. 845 URL: https://www.FreeBSD.org/releases/ 846 847 BSD Hypertext Man Pages 848 URL: https://www.FreeBSD.org/cgi/man.cgi 849 850 UNIX history graphing project 851 URL: http://minnie.tuhs.org/Unix_History/index.html 852 853 UNIX history 854 URL: http://www.levenez.com/unix/ 855 856 James Howard: The BSD Family Tree 857 URL: http://ezine.daemonnews.org/200104/bsd_family.html 858 ("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 859 860 861 Acknowledgments 862 --------------- 863 864 Josh Gilliam for suggestions, bug fixes, and finding very old 865 original BSD announcements from Usenet or tapes. 866 867 Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 868 869 -- 870 Copyright (c) 1997-2012 Wolfram Schneider <wosch (a] FreeBSD.ORG> 871 URL: https://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 872 873 $FreeBSD: head/share/misc/bsd-family-tree 359157 2020-03-20 03:15:23Z sevan $ 874 $NetBSD: bsd-family-tree,v 1.80 2020/03/20 03:19:43 sevan Exp $ 875
Indexes created Wed Nov 05 01:09:58 GMT 2025