bsd-family-tree revision 1.62
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 6.1 | | 295 | | FreeBSD | | | | | 296 | | 8.4 | | NetBSD 6.1.1 | | 297 | | | | | | | 298 | FreeBSD | | NetBSD 6.1.2 | | 299 | 9.2 Mac OS X | | | | 300 | | 10.9 | | OpenBSD 5.4 | 301 | `-----. | | | | DragonFly 3.6.0 302 | \ | | | | | 303 *--FreeBSD | | | NetBSD 6.1.3 | | 304 | 10.0 | | | | | | 305 | | | | | | | DragonFly 3.6.1 306 | | | | | | | | 307 | | | | | | | | 308 | | | | | | | DragonFly 3.6.2 309 | | | | | NetBSD 6.1.4 | | 310 | | | | | | | | 311 | | | | | | OpenBSD 5.5 | 312 | | | | | | | | 313 | | | | | | | DragonFly 3.8.0 314 | | | | | | | | 315 | | | | | | | | 316 | | | | | | | DragonFly 3.8.1 317 | | | | | | | | 318 | | | | | | | | 319 | | | | | | | DragonFly 3.6.3 320 | | | | | | | | 321 | | FreeBSD | | | | | 322 | | 9.3 | | | | | 323 | | | | NetBSD 6.1.5 | DragonFly 3.8.2 324 | | Mac OS X | | | 325 | | 10.10 | | | 326 | | | | OpenBSD 5.6 | 327 | FreeBSD | | | | 328 | 10.1 | | | DragonFly 4.0.1 329 | | | | | | 330 | | | | | DragonFly 4.0.2 331 | | | | | | 332 | | | | | DragonFly 4.0.3 333 | | | | | | 334 | | | | | DragonFly 4.0.4 335 | | | | | | 336 | | | | | DragonFly 4.0.5 337 | | | | | | 338 | | | | OpenBSD 5.7 | 339 | | | | | DragonFly 4.2.0 340 | FreeBSD | | | | 341 | 10.2 | | | | 342 | | macOS NetBSD 7.0 | | 343 | | 10.11 | | | OpenBSD 5.8 | 344 | | | | | `--. | DragonFly 4.4.1 345 | FreeBSD | | | | OpenBSD 5.9 | 346 | 10.3 | | | | | | 347 | | | | | NetBSD 7.0.1 | | 348 | `------. | | | | | DragonFly 4.6.0 349 | | | | | | | | 350 | | | | | | | | 351 *--FreeBSD | macOS | | | OpenBSD 6.0 | 352 | 11.0 | 10.12 | | NetBSD 7.0.2 | | 353 | | | | | | | | 354 | | | | | *- NetBSD 7.1 | | 355 | | | macOS | | DragonFly 4.8.0 356 | | | 10.13 | OpenBSD 6.1 | 357 | FreeBSD | | | | | 358 | 11.1 FreeBSD | | | | 359 | | 10.4 | | OpenBSD 6.2 | 360 | v | | | DragonFly 5.0.0 361 | | | | | 362 FreeBSD 12 -current | NetBSD -current OpenBSD -current DragonFly -current 363 | | | | | 364 v v v v v 365 366 Time 367 ---------------- 368 369 Time tolerance +/- 6 months, depending on which book/article you read; if it 370 was the announcement in Usenet or if it was available as tape. 371 372 [44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 373 and John Quarterman. The Design and Implementation of 374 the 4.4BSD Operating System. 375 [APL] Apple website [https://www.apple.com/macosx/] 376 [BSDI] Berkeley Software Design, Inc. 377 [DFB] DragonFlyBSD Project, The. 378 [DOC] README, COPYRIGHT on tape. 379 [FBD] FreeBSD Project, The. 380 [KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 381 Volume 11, Info 4, April, 1987. 382 [KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 383 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 384 [KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 385 Changes in the Kernel in 2.9BSD. Second Berkeley Software 386 Distribution UNIX Version 2.9, July, 1983. 387 [NBD] NetBSD Project, The. 388 [OBD] OpenBSD Project, The. 389 [QCU] Salus, Peter H. A quarter century of UNIX. 390 [SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 391 [TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 392 [USE] Usenet announcement. 393 [WRS] Wind River Systems, Inc. 394 [dmr] Dennis Ritchie, via E-Mail 395 396 Multics 1965 397 UNIX Summer 1969 398 DEC PDP-7 399 First Edition 1971-11-03 [QCU] 400 DEC PDP-11/20, Assembler 401 Second Edition 1972-06-12 [QCU] 402 10 UNIX installations 403 Third Edition 1973-02-xx [QCU] 404 Pipes, 16 installations 405 Fourth Edition 1973-11-xx [QCU] 406 rewriting in C effected, 407 above 30 installations 408 Fifth Edition 1974-06-xx [QCU] 409 above 50 installations 410 Sixth Edition 1975-05-xx [QCU] 411 port to DEC Vax 412 Seventh Edition 1979-01-xx [QCU] 1979-01-10 [TUHS] 413 first portable UNIX 414 Eighth Edition 1985-02-xx [QCU] 415 VAX 11/750, VAX 11/780 [dmr] 416 descended from 4.1c BSD [dmr] 417 descended from 4.1 BSD [44B] 418 scooping-out and replacement of the character-device 419 and networking part by the streams mechanism 420 421 Ninth Edition 1986-09-xx [QCU] 422 Tenth Edition 1989-10-xx [QCU] 423 424 1BSD late 1977 425 1978-03-09 [QCU] 426 PDP-11, Pascal, ex(1) 427 30 free copies of 1BSD sent out 428 35 tapes sold for 50 USD [QCU] 429 2BSD mid 1978 [QCU] 1979-05-10 [TUHS] 430 75 2BSD tapes shipped 431 2.79BSD 1980-04-xx [TUHS] 432 2.8BSD 1981-07-xx [KSJ] 433 434 2.8.1BSD 1982-01-xx [QCU] 435 set of performance improvements 436 2.9BSD 1983-07-xx [KSJ] 437 2.9.1BSD 1983-11-xx [TUHS] 438 2.9BSD-Seismo 1985-08-xx [SMS] 439 2.10BSD 1987-04-xx [KKK] 440 2.10.1BSD 1989-01-xx [SMS] 441 2.11BSD 1992-02-xx [SMS] 442 2.11BSD rev #430 1999-12-13 [SMS] 443 444 32V 1978-1[01]-xx [QCU] 1979-03-26 [TUHS] 445 3BSD late 1979 [QCU] March 1980 [TUHS] 446 virtual memory, page replacement, 447 demand paging 448 4.0BSD 1980-10-xx 449 4.1BSD 1981-07-08 [DOC] 450 4.1aBSD 1982-04-xx 451 alpha release, 100 sites, networking [44B] 452 4.1bBSD internal release, fast filesystem [44B] 453 4.1cBSD late 1982 454 beta release, IPC [44B] 455 4.2BSD 1983-09-xx [QCU] 456 1983-08-03 [DOC] 457 4.3BSD 1986-06-xx [QCU] 458 1986-04-05 [KB], [DOC] 459 4.3BSD Tahoe 1988-06-15 [QCU], [DOC] 460 4.3BSD NET/1 1988-11-xx [QCU] 461 1989-01-01 [DOC] 462 4.3BSD Reno 1990-06-29 [QCU], [DOC] 463 4.3BSD NET/2 1991-06-28 [QCU], [DOC] 464 465 BSD/386 ALPHA 1991-12-xx [BSDI] 466 first code released to people outside BSDI 467 386BSD 0.0 1992-02-xx [DOC] 468 BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 469 BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 470 386BSD 0.1 1992-07-28 [DOC] 471 4.4BSD Alpha 1992-07-07 472 BSD/386 0.9.3 1992-10-xx [BSDI] 473 first external gamma; G customers 474 BSD/386 0.9.4 1992-12-xx [BSDI] 475 would have been 1.0 except for request 476 for preliminary injunction 477 BSD/386 1.0 1993-03-xx [BSDI] 478 injunction denied; first official release 479 NetBSD 0.8 1993-04-20 [NBD] 480 4.4BSD 1993-06-01 [USE] 481 NetBSD 0.9 1993-08-23 [NBD] 482 FreeBSD 1.0 1993-11-01 [FBD] 483 FreeBSD 1.0.2 1993-11-14 [FBD] 484 supersedes 1.0 13 days after release. 485 BSD/386 1.1 1994-02-xx [BSDI] 486 4.4BSD Lite 1994-03-01 [USE] 487 FreeBSD 1.1 1994-05-07 [FBD] 488 FreeBSD 1.1.5 1994-06-30 [FBD] 489 FreeBSD 1.1.5.1 1994-07-05 [FBD] 490 supersedes 1.1.5 5 days after release. 491 NetBSD 1.0 1994-10-26 [NBD] 492 386BSD 1.0 1994-11-12 [USE] 493 FreeBSD 2.0 1994-11-23 [FBD] 494 BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 495 FreeBSD 2.0.5 1995-06-10 [FBD] 496 BSD/OS 2.0.1 1995-06-xx [BSDI] 497 4.4BSD Lite Release 2 1995-06-xx [44B] 498 the true final distribution from the CSRG 499 FreeBSD 2.1.0 1995-11-19 [FBD] 500 NetBSD 1.1 1995-11-26 [NBD] 501 BSD/OS 2.1 1996-01-xx [BSDI] 502 FreeBSD 2.1.5 1996-07-14 [FBD] 503 NetBSD 1.2 1996-10-04 [NBD] 504 OpenBSD 2.0 1996-10-18 [OBD] 505 FreeBSD 2.1.6 1996-11-16 [FBD] 506 FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 507 Rhapsody 1997-xx-xx 508 FreeBSD 2.1.7 1997-02-20 [FBD] 509 BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 510 FreeBSD 2.2.0 1997-03-16 [FBD] 511 FreeBSD 2.2.1 1997-03-25 [FBD] 512 FreeBSD 2.2.2 1997-05-16 [FBD] 513 NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 514 OpenBSD 2.1 1997-06-01 [OBD] 515 FreeBSD 2.2.5 1997-10-22 [FBD] 516 OpenBSD 2.2 1997-12-01 [OBD] 517 NetBSD 1.3 1998-01-04 [NBD] 518 FreeBSD 2.2.6 1998-03-25 [FBD] 519 NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 520 BSD/OS 3.1 1998-03-xx [BSDI] 521 OpenBSD 2.3 1998-05-19 [OBD] 522 NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 523 FreeBSD 2.2.7 1998-07-22 [FBD] 524 BSD/OS 4.0 1998-08-xx [BSDI] 525 2-lock MP support, ELF executables 526 FreeBSD 3.0 1998-10-16 [FBD] 527 FreeBSD-3.0 is a snapshot from -current, 528 while 3.1 and 3.2 are from 3.x-stable which 529 was branched quite some time after 3.0-release 530 FreeBSD 2.2.8 1998-11-29 [FBD] 531 OpenBSD 2.4 1998-12-01 [OBD] 532 NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 533 FreeBSD 3.1 1999-02-15 [FBD] 534 BSD/OS 4.0.1 1999-03-xx [BSDI] 535 NetBSD 1.4 1999-05-12 [NBD] 536 FreeBSD 3.2 1999-05-17 [FBD] 537 OpenBSD 2.5 1999-05-19 [OBD] 538 NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 539 FreeBSD 3.3 1999-09-17 [FBD] 540 OpenBSD 2.6 1999-12-01 [OBD] 541 FreeBSD 3.4 1999-12-20 [FBD] 542 BSD/OS 4.1 1999-12-xx [BSDI] 543 FreeBSD 4.0 2000-03-13 [FBD] 544 NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 545 OpenBSD 2.7 2000-06-15 [OBD] 546 FreeBSD 3.5 2000-06-24 [FBD] 547 FreeBSD 4.1 2000-07-27 [FBD] 548 FreeBSD 3.5.1 2000-07-28 [FBD] 549 FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 550 FreeBSD 4.2 2000-11-21 [FBD] 551 NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 552 BSD/OS 4.2 2000-11-29 [BSDI] 553 OpenBSD 2.8 2000-12-01 [OBD] 554 NetBSD 1.5 2000-12-06 [NBD] 555 Mac OS X 10.0 2001-03-24 [APL] 556 FreeBSD 4.3 2001-04-20 [FBD] 557 OpenBSD 2.9 2001-06-01 [OBD] 558 NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 559 NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 560 FreeBSD 4.4 2001-09-18 [FBD] 561 Mac OS X 10.1 2001-09-29 [APL] 562 OpenBSD 3.0 2001-12-01 [OBD] 563 FreeBSD 4.5 2002-01-29 [FBD] 564 BSD/OS 4.3 2002-03-14 [WRS] 565 OpenBSD 3.1 2002-05-19 [OBD] 566 FreeBSD 4.6 2002-06-15 [FBD] 567 NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 568 FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 569 Mac OS X 10.2 2002-08-23 [APL] 570 NetBSD 1.6 2002-09-14 [NBD] 571 FreeBSD 4.7 2002-10-08 [FBD] 572 OpenBSD 3.2 2002-11-01 [OBD] 573 FreeBSD 5.0 2003-01-17 [FBD] 574 FreeBSD 5.0 is a separate branch off of 575 -current, similar to 3.0. 576 FreeBSD 4.8 2003-04-03 [FBD] 577 NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 578 OpenBSD 3.3 2003-05-01 [OBD] 579 BSD/OS 5.0 2003-05-?? [WRS] 580 FreeBSD 5.1 2003-06-09 [FBD] 581 Mac OS X 10.3 2003-10-24 [APL] 582 FreeBSD 4.9 2003-10-28 [FBD] 583 BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 584 OpenBSD 3.4 2003-11-01 [OBD] 585 FreeBSD 5.2 2004-01-12 [FBD] 586 FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 587 NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 588 OpenBSD 3.5 2004-04-01 [OBD] 589 FreeBSD 4.10 2004-05-27 [FBD] 590 DragonFly 1.0 2004-07-12 [DFB] 591 OpenBSD 3.6 2004-10-29 [OBD] 592 FreeBSD 5.3 2004-11-06 [FBD] 593 NetBSD 2.0 2004-12-09 [NBD] 594 FreeBSD 4.11 2005-01-25 [FBD] 595 DragonFly 1.2.0 2005-04-08 [DFB] 596 NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 597 Mac OS X 10.4 2005-04-29 [APL] 598 FreeBSD 5.4 2005-05-09 [FBD] 599 OpenBSD 3.7 2005-05-19 [OBD] 600 NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 601 OpenBSD 3.8 2005-11-01 [OBD] 602 FreeBSD 6.0 2005-11-01 [FBD] 603 NetBSD 2.1 2005-11-02 [NBD] 604 NetBSD 3.0 2005-12-23 [NBD] 605 DragonFly 1.4.0 2006-01-08 [DFB] 606 FreeBSD 2.2.9 2006-04-01 [FBD] 607 OpenBSD 3.9 2006-05-01 [OBD] 608 FreeBSD 6.1 2006-05-08 [FBD] 609 FreeBSD 5.5 2006-05-25 [FBD] 610 NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 611 DragonFly 1.6.0 2006-07-24 [DFB] 612 OpenBSD 4.0 2006-11-01 [OBD] 613 NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 614 NetBSD 3.1 2006-11-04 [NBD] 615 FreeBSD 6.2 2007-01-15 [FBD] 616 DragonFly 1.8.0 2007-01-30 [DFB] 617 OpenBSD 4.1 2007-05-01 [OBD] 618 DragonFly 1.10.0 2007-08-06 [DFB] 619 Mac OS X 10.5 2007-10-26 [APL] 620 OpenBSD 4.2 2007-11-01 [OBD] 621 NetBSD 4.0 2007-12-19 [NBD] 622 FreeBSD 6.3 2008-01-18 [FBD] 623 DragonFly 1.12.0 2008-02-26 [DFB] 624 FreeBSD 7.0 2008-02-27 [FBD] 625 OpenBSD 4.3 2008-05-01 [OBD] 626 DragonFly 2.0.0 2008-07-21 [DFB] 627 OpenBSD 4.4 2008-11-01 [OBD] 628 FreeBSD 6.4 2008-11-28 [FBD] 629 FreeBSD 7.1 2009-01-04 [FBD] 630 DragonFly 2.2.0 2009-02-17 [DFB] 631 NetBSD 5.0 2009-04-29 [NBD] 632 OpenBSD 4.5 2009-05-01 [OBD] 633 FreeBSD 7.2 2009-05-04 [FBD] 634 Mac OS X 10.6 2009-06-08 [APL] 635 NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 636 DragonFly 2.4.0 2009-09-16 [DFB] 637 OpenBSD 4.6 2009-10-18 [OBD] 638 FreeBSD 8.0 2009-11-26 [FBD] 639 NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 640 FreeBSD 7.3 2010-03-23 [FBD] 641 DragonFly 2.6.0 2010-03-28 [DFB] 642 OpenBSD 4.7 2010-05-19 [OBD] 643 FreeBSD 8.1 2010-07-24 [FBD] 644 DragonFly 2.8.2 2010-10-30 [DFB] 645 OpenBSD 4.8 2010-11-01 [OBD] 646 NetBSD 5.1 2010-11-19 [NBD] 647 FreeBSD 7.4 2011-02-24 [FBD] 648 FreeBSD 8.2 2011-02-24 [FBD] 649 DragonFly 2.10.1 2011-04-26 [DFB] 650 OpenBSD 4.9 2011-05-01 [OBD] 651 Mac OS X 10.7 2011-07-20 [APL] 652 OpenBSD 5.0 2011-11-01 [OBD] 653 FreeBSD 9.0 2012-01-12 [FBD] 654 NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 655 DragonFly 3.0.1 2012-02-21 [DFB] 656 FreeBSD 8.3 2012-04-18 [FBD] 657 OpenBSD 5.1 2012-05-01 [OBD] 658 Mac OS X 10.8 2012-07-25 [APL] 659 NetBSD 6.0 2012-10-17 [NBD] 660 OpenBSD 5.2 2012-11-01 [OBD] 661 DragonFly 3.2.1 2012-11-02 [DFB] 662 NetBSD 5.2 2012-12-03 [NBD] 663 NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 664 FreeBSD 9.1 2012-12-30 [FBD] 665 DragonFly 3.4.1 2013-04-29 [DFB] 666 OpenBSD 5.3 2013-05-01 [OBD] 667 NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 668 NetBSD 6.1 2013-05-18 [NBD] 669 FreeBSD 8.4 2013-06-07 [FBD] 670 NetBSD 6.1.1 2013-08-22 [NBD] 671 NetBSD 5.1.3 2013-09-29 [NBD] 672 NetBSD 5.2.1 2013-09-29 [NBD] 673 FreeBSD 9.2 2013-09-30 [FBD] 674 NetBSD 6.0.3 2013-09-30 [NBD] 675 NetBSD 6.1.2 2013-09-30 [NBD] 676 Mac OS X 10.9 2013-10-22 [APL] 677 OpenBSD 5.4 2013-11-01 [OBD] 678 DragonFly 3.6.0 2013-11-25 [DFB] 679 FreeBSD 10.0 2014-01-20 [FBD] 680 NetBSD 5.1.4 2014-01-25 [NBD] 681 NetBSD 5.2.2 2014-01-25 [NBD] 682 NetBSD 6.0.4 2014-01-25 [NBD] 683 NetBSD 6.1.3 2014-01-25 [NBD] 684 DragonFly 3.6.1 2014-02-22 [DFB] 685 DragonFly 3.6.2 2014-04-10 [DFB] 686 NetBSD 6.0.5 2014-04-12 [NDB] 687 NetBSD 6.1.4 2014-04-12 [NDB] 688 OpenBSD 5.5 2014-05-01 [OBD] 689 DragonFly 3.8.0 2014-06-04 [DFB] 690 DragonFly 3.8.1 2014-06-16 [DFB] 691 DragonFly 3.6.3 2014-06-17 [DFB] 692 FreeBSD 9.3 2014-07-05 [FBD] 693 DragonFly 3.8.2 2014-08-08 [DFB] 694 NetBSD 6.1.5 2014-09-22 [NBD] 695 Mac OS X 10.10 2014-10-16 [APL] 696 OpenBSD 5.6 2014-11-01 [OBD] 697 FreeBSD 10.1 2014-11-14 [FBD] 698 DragonFly 4.0.1 2014-11-25 [DFB] 699 DragonFly 4.0.2 2015-01-07 [DFB] 700 DragonFly 4.0.3 2015-01-21 [DFB] 701 DragonFly 4.0.4 2015-03-09 [DFB] 702 DragonFly 4.0.5 2015-03-23 [DFB] 703 OpenBSD 5.7 2015-05-01 [OBD] 704 DragonFly 4.2.0 2015-06-29 [DFB] 705 FreeBSD 10.2 2015-08-13 [FBD] 706 NetBSD 7.0 2015-09-25 [NBD] 707 OS X 10.11 2015-09-30 [APL] 708 OpenBSD 5.8 2015-10-18 [OBD] 709 DragonFly 4.4.1 2015-12-07 [DFB] 710 OpenBSD 5.9 2016-03-29 [OBD] 711 FreeBSD 10.3 2016-04-04 [FBD] 712 NetBSD 7.0.1 2016-05-22 [NBD] 713 DragonFly 4.6.0 2016-08-02 [DFB] 714 OpenBSD 6.0 2016-09-01 [OBD] 715 macOS 10.12 2016-09-20 [APL] 716 NetBSD 7.0.2 2016-10-21 [NBD] 717 FreeBSD 11.0 2016-10-10 [FBD] 718 NetBSD 7.1 2017-03-11 [NBD] 719 DragonFly 4.8.0 2017-03-27 [DFB] 720 OpenBSD 6.1 2017-04-11 [OBD] 721 FreeBSD 11.1 2017-07-26 [FBD] 722 macOS 10.13 2017-09-25 [APL] 723 FreeBSD 10.4 2017-10-03 [FBD] 724 OpenBSD 6.2 2017-10-09 [OBD] 725 DragonFly 5.0.0 2017-10-16 [DFB] 726 727 Bibliography 728 ------------------------ 729 730 Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 731 Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 732 System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 733 734 Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 735 Company, Inc., 1994. ISBN 0-201-54777-5 736 737 McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 738 Quarterman. The Design and Implementation of the 4.4BSD Operating 739 System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 740 741 McKusick, Marshall Kirk, George Neville-Neil. The Design and 742 Implementation of the FreeBSD Operating System. 743 Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 744 745 McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The 746 Design and Implementation of the FreeBSD Operating System, 2nd Edition. 747 Pearson Education, Inc., 2014. ISBN 0-321-96897-2 748 749 Doug McIlroy. Research Unix Reader. 750 751 Michael G. Brown. The Role of BSD in the Development of Unix. 752 Presented to the Tasmanian Unix Special Interest Group of the 753 Australian Computer Society, Hobart, August 1993. 754 755 Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 756 URL: http://www.byte.com/art/9410/sec8/art3.htm 757 758 Andreas Klemm, Lars Kller. If you're going to San Francisco ... 759 Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 760 761 BSD Release Announcements collection. 762 URL: https://www.FreeBSD.org/releases/ 763 764 BSD Hypertext Man Pages 765 URL: https://www.FreeBSD.org/cgi/man.cgi 766 767 UNIX history graphing project 768 URL: http://minnie.tuhs.org/Unix_History/index.html 769 770 UNIX history 771 URL: http://www.levenez.com/unix/ 772 773 James Howard: The BSD Family Tree 774 URL: http://ezine.daemonnews.org/200104/bsd_family.html 775 ("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 776 777 778 Acknowledgments 779 --------------- 780 781 Josh Gilliam for suggestions, bug fixes, and finding very old 782 original BSD announcements from Usenet or tapes. 783 784 Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 785 786 -- 787 Copyright (c) 1997-2012 Wolfram Schneider <wosch (a] FreeBSD.ORG> 788 URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 789 790 $FreeBSD: head/share/misc/bsd-family-tree 326724 2017-12-09 05:05:25Z imp $ 791 $NetBSD: bsd-family-tree,v 1.62 2017/12/14 10:34:06 maya Exp $ 792
Indexes created Wed Nov 05 01:09:58 GMT 2025