bsd-family-tree revision 1.65
1 The UNIX system family tree: Research and BSD 2 --------------------------------------------- 3 4 First Edition (V1) 5 | 6 Second Edition (V2) 7 | 8 Third Edition (V3) 9 | 10 Fourth Edition (V4) 11 | 12 Fifth Edition (V5) 13 | 14 Sixth Edition (V6) -----* 15 \ | 16 \ | 17 \ | 18 Seventh Edition (V7) | 19 \ | 20 \ 1BSD 21 32V | 22 \ 2BSD---------------* 23 \ / | 24 \ / | 25 \/ | 26 3BSD | 27 | | 28 4.0BSD 2.79BSD 29 | | 30 4.1BSD --------------> 2.8BSD 31 | | 32 4.1aBSD -----------\ | 33 | \ | 34 4.1bBSD \ | 35 | \ | 36 *------ 4.1cBSD --------------> 2.9BSD 37 / | | 38 Eighth Edition | 2.9BSD-Seismo 39 | | | 40 +----<--- 4.2BSD 2.9.1BSD 41 | | | 42 +----<--- 4.3BSD -------------> 2.10BSD 43 | | / | 44 Ninth Edition | / 2.10.1BSD 45 | 4.3BSD Tahoe-----+ | 46 | | \ | 47 | | \ | 48 v | 2.11BSD 49 Tenth Edition | | 50 | 2.11BSD rev #430 51 4.3BSD NET/1 | 52 | v 53 4.3BSD Reno 54 | 55 *---------- 4.3BSD NET/2 -------------------+-------------* 56 | | | | 57 386BSD 0.0 | | BSD/386 ALPHA 58 | | | | 59 386BSD 0.1 ------------>+ | BSD/386 0.3.[13] 60 | \ | 4.4BSD Alpha | 61 | 386BSD 1.0 | | BSD/386 0.9.[34] 62 | | 4.4BSD | 63 | | / | | 64 | | 4.4BSD-Encumbered | | 65 | -NetBSD 0.8 | BSD/386 1.0 66 | / | | | 67 FreeBSD 1.0 <-----' NetBSD 0.9 | BSD/386 1.1 68 | | .----- 4.4BSD Lite | 69 FreeBSD 1.1 | / / | \ | 70 | | / / | \ | 71 FreeBSD 1.1.5 .---|--------' / | \ | 72 | / | / | \ | 73 FreeBSD 1.1.5.1 / | / | \ | 74 | / NetBSD 1.0 <-' | \ | 75 | / | | \ | 76 FreeBSD 2.0 <--' | | BSD/OS 2.0 77 | \ | | 78 FreeBSD 2.0.5 \ | BSD/OS 2.0.1 79 | .-----\------------- 4.4BSD Lite2 | 80 | | \ | | | | | 81 | | .-----|------Rhapsody | | | | 82 | | | | NetBSD 1.3 | | | 83 | | | | OpenBSD 2.3 | | 84 | | | | BSD/OS 3.0 | 85 FreeBSD 2.1 | | | | 86 | | | | NetBSD 1.1 ------. BSD/OS 2.1 87 | FreeBSD 2.1.5 | | | \ | 88 | | | | NetBSD 1.2 \ BSD/OS 3.0 89 | FreeBSD 2.1.6 | | | \ OpenBSD 2.0 | 90 | | | | | \ | | 91 | FreeBSD 2.1.6.1 | | | \ | | 92 | | | | | \ | | 93 | FreeBSD 2.1.7 | | | | | | 94 | | | | | NetBSD 1.2.1 | | 95 | FreeBSD 2.1.7.1 | | | | | 96 | | | | | | 97 | | | | | | 98 *-FreeBSD 2.2 | | | | | 99 | \ | | | | | 100 | FreeBSD 2.2.1 | | | | | 101 | | | | | | | 102 | FreeBSD 2.2.2 | | | OpenBSD 2.1 | 103 | | | | | | | 104 | FreeBSD 2.2.5 | | | | | 105 | | | | | OpenBSD 2.2 | 106 | | | | NetBSD 1.3 | | 107 | FreeBSD 2.2.6 | | | | | | 108 | | | | | NetBSD 1.3.1 | BSD/OS 3.1 109 | | | | | | OpenBSD 2.3 | 110 | | | | | NetBSD 1.3.2 | | 111 | FreeBSD 2.2.7 | | | | | | 112 | | | | | | | BSD/OS 4.0 113 | FreeBSD 2.2.8 | | | | | | 114 | | | | | | | | 115 | v | | | | OpenBSD 2.4 | 116 | FreeBSD 2.2.9 | | | | | | 117 | | | | | | | 118 FreeBSD 3.0 <--------* | | v | | 119 | | | NetBSD 1.3.3 | | 120 *---FreeBSD 3.1 | | | | 121 | | | | | BSD/OS 4.0.1 122 | FreeBSD 3.2----* | NetBSD 1.4 OpenBSD 2.5 | 123 | | | | | | | | | 124 | | | | | | | | | 125 | | | | | | | | | 126 | FreeBSD 3.3 | | | | NetBSD 1.4.1 | | 127 | | | | | | | OpenBSD 2.6 | 128 | FreeBSD 3.4 | | | | | | | 129 | | | | | | | | BSD/OS 4.1 130 FreeBSD 4.0 | | | | | NetBSD 1.4.2 | | 131 | | | | | | | | | 132 | | | | | | | | | 133 | FreeBSD 3.5 | | | | | OpenBSD 2.7 | 134 | | | | | | | | | 135 | FreeBSD 3.5.1 | | | | | | | 136 | | | | | | | | 137 *---FreeBSD 4.1 | | | | | | | 138 | | | | (?) | | | | 139 | FreeBSD 4.1.1 | | / | | | | 140 | | | | / | | | | 141 | FreeBSD 4.2 Darwin/ | NetBSD 1.4.3 | | 142 | | Mac OS X | OpenBSD 2.8 BSD/OS 4.2 143 | | | | | | 144 | | | | | | 145 | | 10.0 NetBSD 1.5 | | 146 | FreeBSD 4.3 | | | | | 147 | | | | | OpenBSD 2.9 | 148 | | | | NetBSD 1.5.1 | | 149 | | | | | | | 150 | FreeBSD 4.4-. | | NetBSD 1.5.2 | | 151 | | | Mac OS X | | | | 152 | | | 10.1 | | OpenBSD 3.0 | 153 | FreeBSD 4.5 | | | | | | 154 | | \ | | | | BSD/OS 4.3 155 | FreeBSD 4.6 \ | | | OpenBSD 3.1 | 156 | | \ | | NetBSD 1.5.3 | | 157 | FreeBSD 4.6.2 Mac OS X | | | 158 | | 10.2 | | | 159 | FreeBSD 4.7 | | | | 160 | | | NetBSD 1.6 OpenBSD 3.2 | 161 | FreeBSD 4.8 | | | | | 162 | | | | NetBSD 1.6.1 | | 163 | |--------. | | | OpenBSD 3.3 BSD/OS 5.0 164 | | \ | | | | | 165 | FreeBSD 4.9 | | | | OpenBSD 3.4 BSD/OS 5.1 ISE 166 | | | | | | | 167 | | | | | NetBSD 1.6.2 | 168 | | | | | | | 169 | | | | | | OpenBSD 3.5 170 | | | | | v | 171 | FreeBSD 4.10 | | | | 172 | | | | | | 173 | FreeBSD 4.11 | | | | 174 | | | | | 175 | `-|------|-----------------|---------------------. 176 | | | | \ 177 FreeBSD 5.0 | | | | 178 | | | | | 179 FreeBSD 5.1 | | | DragonFly 1.0 180 | \ | | | | 181 | ----- Mac OS X | | | 182 | 10.3 | | | 183 FreeBSD 5.2 | | | | 184 | | | | | | 185 | FreeBSD 5.2.1 | | | | 186 | | | | | 187 *-------FreeBSD 5.3 | | | | 188 | | | | OpenBSD 3.6 | 189 | | | NetBSD 2.0 | | 190 | | | | | | | DragonFly 1.2.0 191 | | Mac OS X | | NetBSD 2.0.2 | | 192 | | 10.4 | | | | | 193 | FreeBSD 5.4 | | | | | | 194 | | | | | | OpenBSD 3.7 | 195 | | | | | NetBSD 2.0.3 | | 196 | | | | | | | | 197 *--FreeBSD | | | | v OpenBSD 3.8 | 198 | 6.0 | | | | | | 199 | | | | | \ | | 200 | | | | | NetBSD 2.1 | | 201 | | | | | | | 202 | | | | NetBSD 3.0 | | 203 | | | | | | | | DragonFly 1.4.0 204 | | | | | | | OpenBSD 3.9 | 205 | FreeBSD | | | | | | | 206 | 6.1 | | | | | | | 207 | | FreeBSD 5.5 | | | | | | 208 | | | | | NetBSD 3.0.1 | DragonFly 1.6.0 209 | | | | | | | | 210 | | | | | | OpenBSD 4.0 | 211 | | | | | NetBSD 3.0.2 | | 212 | | | | NetBSD 3.1 | | 213 | FreeBSD 6.2 | | | | 214 | | | | | DragonFly 1.8.0 215 | | | | OpenBSD 4.1 | 216 | | | | | DragonFly 1.10.0 217 | | Mac OS X | | | 218 | | 10.5 | | | 219 | | | | OpenBSD 4.2 | 220 | | | NetBSD 4.0 | | 221 | FreeBSD 6.3 | | | | | 222 | \ | | | | | 223 *--FreeBSD | | | | | DragonFly 1.12.0 224 | 7.0 | | | | | | 225 | | | | | | OpenBSD 4.3 | 226 | | | | | NetBSD | DragonFly 2.0.0 227 | | FreeBSD | | 4.0.1 OpenBSD 4.4 | 228 | | 6.4 | | | | 229 | | | | | | 230 | FreeBSD 7.1 | | | | 231 | | | | | DragonFly 2.2.0 232 | FreeBSD 7.2 | NetBSD 5.0 OpenBSD 4.5 | 233 | \ | | | \ | | 234 | | Mac OS X | | \ | | 235 | | 10.6 | | \ | | 236 | | | | | NetBSD | DragonFly 2.4.0 237 | | | | | 5.0.1 OpenBSD 4.6 | 238 | | | | | | | | 239 *--FreeBSD | | | | | | | 240 | 8.0 | | | | | | | 241 | | FreeBSD | | | NetBSD | | 242 | | 7.3 | | | 5.0.2 | DragonFly 2.6.0 243 | | | | | | OpenBSD 4.7 | 244 | FreeBSD | | | | | | 245 | 8.1 | | | | | | 246 | | | | | | | DragonFly 2.8.2 247 | | | | | | OpenBSD 4.8 | 248 | | | | | *--NetBSD | | 249 | FreeBSD FreeBSD | | | 5.1 | | 250 | 8.2 7.4 | | | | | DragonFly 2.10.1 251 | | | | | | OpenBSD 4.9 | 252 | `-----. Mac OS X | | | | | 253 | \ 10.7 | | | | | 254 | | | | | | OpenBSD 5.0 | 255 *--FreeBSD | | | | | | | 256 | 9.0 | | | | NetBSD | DragonFly 3.0.1 257 | | FreeBSD | | | 5.1.2 | | 258 | | 8.3 | | | | | | 259 | | | | | | NetBSD | | 260 | | | | | | 5.1.3 | | 261 | | | | | | | | | 262 | | | | | | NetBSD | | 263 | | | | | | 5.1.4 | | 264 | | | | | | OpenBSD 5.1 | 265 | | | Mac OS X | `----. | | 266 | | | 10.8 | \ | | 267 | | | | NetBSD 6.0 | | | 268 | | | | | | | | OpenBSD 5.2 DragonFly 3.2.1 269 | FreeBSD | | | | | NetBSD | | 270 | 9.1 | | | | | 5.2 | | 271 | | | | | | | | | | 272 | | | | | | | NetBSD | | 273 | | | | | | | 5.2.1 | | 274 | | | | | | | | | | 275 | | | | | | | NetBSD | | 276 | | | | | | | 5.2.2 | | 277 | | | | | | | | | 278 | | | | | | \ | | 279 | | | | | | NetBSD | | 280 | | | | | | 6.0.1 | | 281 | | | | | | | OpenBSD 5.3 DragonFly 3.4.1 282 | | | | | | NetBSD | | 283 | | | | | | 6.0.2 | | 284 | | | | | | | | | 285 | | | | | | NetBSD | | 286 | | | | | | 6.0.3 | | 287 | | | | | | | | | 288 | | | | | | NetBSD | | 289 | | | | | | 6.0.4 | | 290 | | | | | | | | | 291 | | | | | | NetBSD | | 292 | | | | | | 6.0.5 | | 293 | | | | | | | | | 294 | | | | | | NetBSD | | 295 | | | | | | 6.0.6 | | 296 | | | | | | | | 297 | | | | | |`-NetBSD 6.1 | | 298 | | FreeBSD | | | | | 299 | | 8.4 | | NetBSD 6.1.1 | | 300 | | | | | | | 301 | FreeBSD | | NetBSD 6.1.2 | | 302 | 9.2 Mac OS X | | | | 303 | | 10.9 | | OpenBSD 5.4 | 304 | `-----. | | | | DragonFly 3.6.0 305 | \ | | | | | 306 *--FreeBSD | | | NetBSD 6.1.3 | | 307 | 10.0 | | | | | | 308 | | | | | | | DragonFly 3.6.1 309 | | | | | | | | 310 | | | | | | | | 311 | | | | | | | DragonFly 3.6.2 312 | | | | | NetBSD 6.1.4 | | 313 | | | | | | | | 314 | | | | | | OpenBSD 5.5 | 315 | | | | | | | | 316 | | | | | | | DragonFly 3.8.0 317 | | | | | | | | 318 | | | | | | | | 319 | | | | | | | DragonFly 3.8.1 320 | | | | | | | | 321 | | | | | | | | 322 | | | | | | | DragonFly 3.6.3 323 | | | | | | | | 324 | | FreeBSD | | | | | 325 | | 9.3 | | | | | 326 | | | | NetBSD 6.1.5 | DragonFly 3.8.2 327 | | Mac OS X | | | 328 | | 10.10 | | | 329 | | | | OpenBSD 5.6 | 330 | FreeBSD | | | | 331 | 10.1 | | | DragonFly 4.0.1 332 | | | | | | 333 | | | | | DragonFly 4.0.2 334 | | | | | | 335 | | | | | DragonFly 4.0.3 336 | | | | | | 337 | | | | | DragonFly 4.0.4 338 | | | | | | 339 | | | | | DragonFly 4.0.5 340 | | | | | | 341 | | | | OpenBSD 5.7 | 342 | | | | | DragonFly 4.2.0 343 | FreeBSD | | | | 344 | 10.2 | | | | 345 | | macOS NetBSD 7.0 | | 346 | | 10.11 | | | OpenBSD 5.8 | 347 | | | | | `--. | DragonFly 4.4.1 348 | FreeBSD | | | | OpenBSD 5.9 | 349 | 10.3 | | | | | | 350 | | | | | NetBSD 7.0.1 | | 351 | `------. | | | | | DragonFly 4.6.0 352 | | | | | | | | 353 | | | | | | | | 354 *--FreeBSD | macOS | | | OpenBSD 6.0 | 355 | 11.0 | 10.12 | | NetBSD 7.0.2 | | 356 | | | | | | | | 357 | | | | | *- NetBSD 7.1 | | 358 | | | | | | | | 359 | | | | | | | | 360 | | | macOS | | | DragonFly 4.8.0 361 | | | 10.13 | | OpenBSD 6.1 | 362 | FreeBSD | | | | | DragonFly 5.0.0 363 | 11.1 FreeBSD | | | | | 364 | | 10.4 | | | OpenBSD 6.2 DragonFly 5.0.1 365 | | | | | | | 366 | | | | NetBSD 7.1.1 | DragonFly 5.0.2 367 | | | | | | | 368 | | | | NetBSD 7.1.2 | | 369 | | | | | | | 370 | | | | v | | 371 | v | | | | 372 | | | | | 373 FreeBSD 12 -current | NetBSD -current OpenBSD -current DragonFly -current 374 | | | | | 375 v v v v v 376 377 Time 378 ---------------- 379 380 Time tolerance +/- 6 months, depending on which book/article you read; if it 381 was the announcement in Usenet or if it was available as tape. 382 383 [44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 384 and John Quarterman. The Design and Implementation of 385 the 4.4BSD Operating System. 386 [APL] Apple website [https://www.apple.com/macosx/] 387 [BSDI] Berkeley Software Design, Inc. 388 [DFB] DragonFlyBSD Project, The. 389 [DOC] README, COPYRIGHT on tape. 390 [FBD] FreeBSD Project, The. 391 [KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 392 Volume 11, Info 4, April, 1987. 393 [KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 394 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 395 [KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 396 Changes in the Kernel in 2.9BSD. Second Berkeley Software 397 Distribution UNIX Version 2.9, July, 1983. 398 [NBD] NetBSD Project, The. 399 [OBD] OpenBSD Project, The. 400 [QCU] Salus, Peter H. A quarter century of UNIX. 401 [SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 402 [TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 403 [USE] Usenet announcement. 404 [WRS] Wind River Systems, Inc. 405 [dmr] Dennis Ritchie, via E-Mail 406 407 Multics 1965 408 UNIX Summer 1969 409 DEC PDP-7 410 First Edition 1971-11-03 [QCU] 411 DEC PDP-11/20, Assembler 412 Second Edition 1972-06-12 [QCU] 413 10 UNIX installations 414 Third Edition 1973-02-xx [QCU] 415 Pipes, 16 installations 416 Fourth Edition 1973-11-xx [QCU] 417 rewriting in C effected, 418 above 30 installations 419 Fifth Edition 1974-06-xx [QCU] 420 above 50 installations 421 Sixth Edition 1975-05-xx [QCU] 422 port to DEC Vax 423 Seventh Edition 1979-01-xx [QCU] 1979-01-10 [TUHS] 424 first portable UNIX 425 Eighth Edition 1985-02-xx [QCU] 426 VAX 11/750, VAX 11/780 [dmr] 427 descended from 4.1c BSD [dmr] 428 descended from 4.1 BSD [44B] 429 scooping-out and replacement of the character-device 430 and networking part by the streams mechanism 431 432 Ninth Edition 1986-09-xx [QCU] 433 Tenth Edition 1989-10-xx [QCU] 434 435 1BSD late 1977 436 1978-03-09 [QCU] 437 PDP-11, Pascal, ex(1) 438 30 free copies of 1BSD sent out 439 35 tapes sold for 50 USD [QCU] 440 2BSD mid 1978 [QCU] 1979-05-10 [TUHS] 441 75 2BSD tapes shipped 442 2.79BSD 1980-04-xx [TUHS] 443 2.8BSD 1981-07-xx [KSJ] 444 445 2.8.1BSD 1982-01-xx [QCU] 446 set of performance improvements 447 2.9BSD 1983-07-xx [KSJ] 448 2.9.1BSD 1983-11-xx [TUHS] 449 2.9BSD-Seismo 1985-08-xx [SMS] 450 2.10BSD 1987-04-xx [KKK] 451 2.10.1BSD 1989-01-xx [SMS] 452 2.11BSD 1992-02-xx [SMS] 453 2.11BSD rev #430 1999-12-13 [SMS] 454 455 32V 1978-1[01]-xx [QCU] 1979-03-26 [TUHS] 456 3BSD late 1979 [QCU] March 1980 [TUHS] 457 virtual memory, page replacement, 458 demand paging 459 4.0BSD 1980-10-xx 460 4.1BSD 1981-07-08 [DOC] 461 4.1aBSD 1982-04-xx 462 alpha release, 100 sites, networking [44B] 463 4.1bBSD internal release, fast filesystem [44B] 464 4.1cBSD late 1982 465 beta release, IPC [44B] 466 4.2BSD 1983-09-xx [QCU] 467 1983-08-03 [DOC] 468 4.3BSD 1986-06-xx [QCU] 469 1986-04-05 [KB], [DOC] 470 4.3BSD Tahoe 1988-06-15 [QCU], [DOC] 471 4.3BSD NET/1 1988-11-xx [QCU] 472 1989-01-01 [DOC] 473 4.3BSD Reno 1990-06-29 [QCU], [DOC] 474 4.3BSD NET/2 1991-06-28 [QCU], [DOC] 475 476 BSD/386 ALPHA 1991-12-xx [BSDI] 477 first code released to people outside BSDI 478 386BSD 0.0 1992-02-xx [DOC] 479 BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 480 BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 481 386BSD 0.1 1992-07-28 [DOC] 482 4.4BSD Alpha 1992-07-07 483 BSD/386 0.9.3 1992-10-xx [BSDI] 484 first external gamma; G customers 485 BSD/386 0.9.4 1992-12-xx [BSDI] 486 would have been 1.0 except for request 487 for preliminary injunction 488 BSD/386 1.0 1993-03-xx [BSDI] 489 injunction denied; first official release 490 NetBSD 0.8 1993-04-20 [NBD] 491 4.4BSD 1993-06-01 [USE] 492 NetBSD 0.9 1993-08-23 [NBD] 493 FreeBSD 1.0 1993-11-01 [FBD] 494 FreeBSD 1.0.2 1993-11-14 [FBD] 495 supersedes 1.0 13 days after release. 496 BSD/386 1.1 1994-02-xx [BSDI] 497 4.4BSD Lite 1994-03-01 [USE] 498 FreeBSD 1.1 1994-05-07 [FBD] 499 FreeBSD 1.1.5 1994-06-30 [FBD] 500 FreeBSD 1.1.5.1 1994-07-05 [FBD] 501 supersedes 1.1.5 5 days after release. 502 NetBSD 1.0 1994-10-26 [NBD] 503 386BSD 1.0 1994-11-12 [USE] 504 FreeBSD 2.0 1994-11-23 [FBD] 505 BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 506 FreeBSD 2.0.5 1995-06-10 [FBD] 507 BSD/OS 2.0.1 1995-06-xx [BSDI] 508 4.4BSD Lite Release 2 1995-06-xx [44B] 509 the true final distribution from the CSRG 510 FreeBSD 2.1.0 1995-11-19 [FBD] 511 NetBSD 1.1 1995-11-26 [NBD] 512 BSD/OS 2.1 1996-01-xx [BSDI] 513 FreeBSD 2.1.5 1996-07-14 [FBD] 514 NetBSD 1.2 1996-10-04 [NBD] 515 OpenBSD 2.0 1996-10-18 [OBD] 516 FreeBSD 2.1.6 1996-11-16 [FBD] 517 FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 518 Rhapsody 1997-xx-xx 519 FreeBSD 2.1.7 1997-02-20 [FBD] 520 BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 521 FreeBSD 2.2.0 1997-03-16 [FBD] 522 FreeBSD 2.2.1 1997-03-25 [FBD] 523 FreeBSD 2.2.2 1997-05-16 [FBD] 524 NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 525 OpenBSD 2.1 1997-06-01 [OBD] 526 FreeBSD 2.2.5 1997-10-22 [FBD] 527 OpenBSD 2.2 1997-12-01 [OBD] 528 NetBSD 1.3 1998-01-04 [NBD] 529 FreeBSD 2.2.6 1998-03-25 [FBD] 530 NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 531 BSD/OS 3.1 1998-03-xx [BSDI] 532 OpenBSD 2.3 1998-05-19 [OBD] 533 NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 534 FreeBSD 2.2.7 1998-07-22 [FBD] 535 BSD/OS 4.0 1998-08-xx [BSDI] 536 2-lock MP support, ELF executables 537 FreeBSD 3.0 1998-10-16 [FBD] 538 FreeBSD-3.0 is a snapshot from -current, 539 while 3.1 and 3.2 are from 3.x-stable which 540 was branched quite some time after 3.0-release 541 FreeBSD 2.2.8 1998-11-29 [FBD] 542 OpenBSD 2.4 1998-12-01 [OBD] 543 NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 544 FreeBSD 3.1 1999-02-15 [FBD] 545 BSD/OS 4.0.1 1999-03-xx [BSDI] 546 NetBSD 1.4 1999-05-12 [NBD] 547 FreeBSD 3.2 1999-05-17 [FBD] 548 OpenBSD 2.5 1999-05-19 [OBD] 549 NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 550 FreeBSD 3.3 1999-09-17 [FBD] 551 OpenBSD 2.6 1999-12-01 [OBD] 552 FreeBSD 3.4 1999-12-20 [FBD] 553 BSD/OS 4.1 1999-12-xx [BSDI] 554 FreeBSD 4.0 2000-03-13 [FBD] 555 NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 556 OpenBSD 2.7 2000-06-15 [OBD] 557 FreeBSD 3.5 2000-06-24 [FBD] 558 FreeBSD 4.1 2000-07-27 [FBD] 559 FreeBSD 3.5.1 2000-07-28 [FBD] 560 FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 561 FreeBSD 4.2 2000-11-21 [FBD] 562 NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 563 BSD/OS 4.2 2000-11-29 [BSDI] 564 OpenBSD 2.8 2000-12-01 [OBD] 565 NetBSD 1.5 2000-12-06 [NBD] 566 Mac OS X 10.0 2001-03-24 [APL] 567 FreeBSD 4.3 2001-04-20 [FBD] 568 OpenBSD 2.9 2001-06-01 [OBD] 569 NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 570 NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 571 FreeBSD 4.4 2001-09-18 [FBD] 572 Mac OS X 10.1 2001-09-29 [APL] 573 OpenBSD 3.0 2001-12-01 [OBD] 574 FreeBSD 4.5 2002-01-29 [FBD] 575 BSD/OS 4.3 2002-03-14 [WRS] 576 OpenBSD 3.1 2002-05-19 [OBD] 577 FreeBSD 4.6 2002-06-15 [FBD] 578 NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 579 FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 580 Mac OS X 10.2 2002-08-23 [APL] 581 NetBSD 1.6 2002-09-14 [NBD] 582 FreeBSD 4.7 2002-10-08 [FBD] 583 OpenBSD 3.2 2002-11-01 [OBD] 584 FreeBSD 5.0 2003-01-17 [FBD] 585 FreeBSD 5.0 is a separate branch off of 586 -current, similar to 3.0. 587 FreeBSD 4.8 2003-04-03 [FBD] 588 NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 589 OpenBSD 3.3 2003-05-01 [OBD] 590 BSD/OS 5.0 2003-05-?? [WRS] 591 FreeBSD 5.1 2003-06-09 [FBD] 592 Mac OS X 10.3 2003-10-24 [APL] 593 FreeBSD 4.9 2003-10-28 [FBD] 594 BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 595 OpenBSD 3.4 2003-11-01 [OBD] 596 FreeBSD 5.2 2004-01-12 [FBD] 597 FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 598 NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 599 OpenBSD 3.5 2004-04-01 [OBD] 600 FreeBSD 4.10 2004-05-27 [FBD] 601 DragonFly 1.0 2004-07-12 [DFB] 602 OpenBSD 3.6 2004-10-29 [OBD] 603 FreeBSD 5.3 2004-11-06 [FBD] 604 NetBSD 2.0 2004-12-09 [NBD] 605 FreeBSD 4.11 2005-01-25 [FBD] 606 DragonFly 1.2.0 2005-04-08 [DFB] 607 NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 608 Mac OS X 10.4 2005-04-29 [APL] 609 FreeBSD 5.4 2005-05-09 [FBD] 610 OpenBSD 3.7 2005-05-19 [OBD] 611 NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 612 OpenBSD 3.8 2005-11-01 [OBD] 613 FreeBSD 6.0 2005-11-01 [FBD] 614 NetBSD 2.1 2005-11-02 [NBD] 615 NetBSD 3.0 2005-12-23 [NBD] 616 DragonFly 1.4.0 2006-01-08 [DFB] 617 FreeBSD 2.2.9 2006-04-01 [FBD] 618 OpenBSD 3.9 2006-05-01 [OBD] 619 FreeBSD 6.1 2006-05-08 [FBD] 620 FreeBSD 5.5 2006-05-25 [FBD] 621 NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 622 DragonFly 1.6.0 2006-07-24 [DFB] 623 OpenBSD 4.0 2006-11-01 [OBD] 624 NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 625 NetBSD 3.1 2006-11-04 [NBD] 626 FreeBSD 6.2 2007-01-15 [FBD] 627 DragonFly 1.8.0 2007-01-30 [DFB] 628 OpenBSD 4.1 2007-05-01 [OBD] 629 DragonFly 1.10.0 2007-08-06 [DFB] 630 Mac OS X 10.5 2007-10-26 [APL] 631 OpenBSD 4.2 2007-11-01 [OBD] 632 NetBSD 4.0 2007-12-19 [NBD] 633 FreeBSD 6.3 2008-01-18 [FBD] 634 DragonFly 1.12.0 2008-02-26 [DFB] 635 FreeBSD 7.0 2008-02-27 [FBD] 636 OpenBSD 4.3 2008-05-01 [OBD] 637 DragonFly 2.0.0 2008-07-21 [DFB] 638 OpenBSD 4.4 2008-11-01 [OBD] 639 FreeBSD 6.4 2008-11-28 [FBD] 640 FreeBSD 7.1 2009-01-04 [FBD] 641 DragonFly 2.2.0 2009-02-17 [DFB] 642 NetBSD 5.0 2009-04-29 [NBD] 643 OpenBSD 4.5 2009-05-01 [OBD] 644 FreeBSD 7.2 2009-05-04 [FBD] 645 Mac OS X 10.6 2009-06-08 [APL] 646 NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 647 DragonFly 2.4.0 2009-09-16 [DFB] 648 OpenBSD 4.6 2009-10-18 [OBD] 649 FreeBSD 8.0 2009-11-26 [FBD] 650 NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 651 FreeBSD 7.3 2010-03-23 [FBD] 652 DragonFly 2.6.0 2010-03-28 [DFB] 653 OpenBSD 4.7 2010-05-19 [OBD] 654 FreeBSD 8.1 2010-07-24 [FBD] 655 DragonFly 2.8.2 2010-10-30 [DFB] 656 OpenBSD 4.8 2010-11-01 [OBD] 657 NetBSD 5.1 2010-11-19 [NBD] 658 FreeBSD 7.4 2011-02-24 [FBD] 659 FreeBSD 8.2 2011-02-24 [FBD] 660 DragonFly 2.10.1 2011-04-26 [DFB] 661 OpenBSD 4.9 2011-05-01 [OBD] 662 Mac OS X 10.7 2011-07-20 [APL] 663 OpenBSD 5.0 2011-11-01 [OBD] 664 FreeBSD 9.0 2012-01-12 [FBD] 665 NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 666 DragonFly 3.0.1 2012-02-21 [DFB] 667 FreeBSD 8.3 2012-04-18 [FBD] 668 OpenBSD 5.1 2012-05-01 [OBD] 669 Mac OS X 10.8 2012-07-25 [APL] 670 NetBSD 6.0 2012-10-17 [NBD] 671 OpenBSD 5.2 2012-11-01 [OBD] 672 DragonFly 3.2.1 2012-11-02 [DFB] 673 NetBSD 5.2 2012-12-03 [NBD] 674 NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 675 FreeBSD 9.1 2012-12-30 [FBD] 676 DragonFly 3.4.1 2013-04-29 [DFB] 677 OpenBSD 5.3 2013-05-01 [OBD] 678 NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 679 NetBSD 6.1 2013-05-18 [NBD] 680 FreeBSD 8.4 2013-06-07 [FBD] 681 NetBSD 6.1.1 2013-08-22 [NBD] 682 NetBSD 5.1.3 2013-09-29 [NBD] 683 NetBSD 5.2.1 2013-09-29 [NBD] 684 FreeBSD 9.2 2013-09-30 [FBD] 685 NetBSD 6.0.3 2013-09-30 [NBD] 686 NetBSD 6.1.2 2013-09-30 [NBD] 687 Mac OS X 10.9 2013-10-22 [APL] 688 OpenBSD 5.4 2013-11-01 [OBD] 689 DragonFly 3.6.0 2013-11-25 [DFB] 690 FreeBSD 10.0 2014-01-20 [FBD] 691 NetBSD 5.1.4 2014-01-25 [NBD] 692 NetBSD 5.2.2 2014-01-25 [NBD] 693 NetBSD 6.0.4 2014-01-25 [NBD] 694 NetBSD 6.1.3 2014-01-25 [NBD] 695 DragonFly 3.6.1 2014-02-22 [DFB] 696 DragonFly 3.6.2 2014-04-10 [DFB] 697 NetBSD 6.0.5 2014-04-12 [NBD] 698 NetBSD 6.1.4 2014-04-12 [NBD] 699 OpenBSD 5.5 2014-05-01 [OBD] 700 DragonFly 3.8.0 2014-06-04 [DFB] 701 DragonFly 3.8.1 2014-06-16 [DFB] 702 DragonFly 3.6.3 2014-06-17 [DFB] 703 FreeBSD 9.3 2014-07-05 [FBD] 704 DragonFly 3.8.2 2014-08-08 [DFB] 705 NetBSD 6.0.6 2014-09-22 [NBD] 706 NetBSD 6.1.5 2014-09-22 [NBD] 707 Mac OS X 10.10 2014-10-16 [APL] 708 OpenBSD 5.6 2014-11-01 [OBD] 709 FreeBSD 10.1 2014-11-14 [FBD] 710 DragonFly 4.0.1 2014-11-25 [DFB] 711 DragonFly 4.0.2 2015-01-07 [DFB] 712 DragonFly 4.0.3 2015-01-21 [DFB] 713 DragonFly 4.0.4 2015-03-09 [DFB] 714 DragonFly 4.0.5 2015-03-23 [DFB] 715 OpenBSD 5.7 2015-05-01 [OBD] 716 DragonFly 4.2.0 2015-06-29 [DFB] 717 FreeBSD 10.2 2015-08-13 [FBD] 718 NetBSD 7.0 2015-09-25 [NBD] 719 OS X 10.11 2015-09-30 [APL] 720 OpenBSD 5.8 2015-10-18 [OBD] 721 DragonFly 4.4.1 2015-12-07 [DFB] 722 OpenBSD 5.9 2016-03-29 [OBD] 723 FreeBSD 10.3 2016-04-04 [FBD] 724 NetBSD 7.0.1 2016-05-22 [NBD] 725 DragonFly 4.6.0 2016-08-02 [DFB] 726 OpenBSD 6.0 2016-09-01 [OBD] 727 macOS 10.12 2016-09-20 [APL] 728 FreeBSD 11.0 2016-10-10 [FBD] 729 NetBSD 7.0.2 2016-10-21 [NBD] 730 NetBSD 7.1 2017-03-11 [NBD] 731 DragonFly 4.8.0 2017-03-27 [DFB] 732 OpenBSD 6.1 2017-04-11 [OBD] 733 FreeBSD 11.1 2017-07-26 [FBD] 734 macOS 10.13 2017-09-25 [APL] 735 FreeBSD 10.4 2017-10-03 [FBD] 736 OpenBSD 6.2 2017-10-09 [OBD] 737 DragonFly 5.0.0 2017-10-16 [DFB] 738 DragonFly 5.0.1 2017-11-06 [DFB] 739 DragonFly 5.0.2 2017-12-04 [DFB] 740 NetBSD 7.1.1 2017-12-22 [NBD] 741 NetBSD 7.1.2 2018-03-15 [NBD] 742 743 Bibliography 744 ------------------------ 745 746 Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 747 Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 748 System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 749 750 Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 751 Company, Inc., 1994. ISBN 0-201-54777-5 752 753 McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 754 Quarterman. The Design and Implementation of the 4.4BSD Operating 755 System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 756 757 McKusick, Marshall Kirk, George Neville-Neil. The Design and 758 Implementation of the FreeBSD Operating System. 759 Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 760 761 McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The 762 Design and Implementation of the FreeBSD Operating System, 2nd Edition. 763 Pearson Education, Inc., 2014. ISBN 0-321-96897-2 764 765 Doug McIlroy. Research Unix Reader. 766 767 Michael G. Brown. The Role of BSD in the Development of Unix. 768 Presented to the Tasmanian Unix Special Interest Group of the 769 Australian Computer Society, Hobart, August 1993. 770 771 Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 772 URL: http://www.byte.com/art/9410/sec8/art3.htm 773 774 Andreas Klemm, Lars Kller. If you're going to San Francisco ... 775 Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 776 777 BSD Release Announcements collection. 778 URL: https://www.FreeBSD.org/releases/ 779 780 BSD Hypertext Man Pages 781 URL: https://www.FreeBSD.org/cgi/man.cgi 782 783 UNIX history graphing project 784 URL: http://minnie.tuhs.org/Unix_History/index.html 785 786 UNIX history 787 URL: http://www.levenez.com/unix/ 788 789 James Howard: The BSD Family Tree 790 URL: http://ezine.daemonnews.org/200104/bsd_family.html 791 ("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 792 793 794 Acknowledgments 795 --------------- 796 797 Josh Gilliam for suggestions, bug fixes, and finding very old 798 original BSD announcements from Usenet or tapes. 799 800 Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 801 802 -- 803 Copyright (c) 1997-2012 Wolfram Schneider <wosch (a] FreeBSD.ORG> 804 URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 805 806 $FreeBSD: head/share/misc/bsd-family-tree 331285 2018-03-21 09:07:01Z eadler $ 807 $NetBSD: bsd-family-tree,v 1.65 2018/03/21 09:54:39 eadler Exp $ 808
Indexes created Wed Nov 05 19:10:08 GMT 2025