1The UNIX system family tree: Research and BSD 2--------------------------------------------- 3 4First Edition (V1) 5 | 6Second Edition (V2) 7 | 8Third Edition (V3) 9 | 10Fourth Edition (V4) 11 | 12Fifth Edition (V5) 13 | 14Sixth Edition (V6) -----* 15 \ | 16 \ | 17 \ | 18Seventh 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 / | | 38Eighth Edition | 2.9BSD-Seismo 39 | | | 40 +----<--- 4.2BSD 2.9.1BSD 41 | | | 42 +----<--- 4.3BSD -------------> 2.10BSD 43 | | / | 44Ninth Edition | / 2.10.1BSD 45 | 4.3BSD Tahoe-----+ | 46 | | \ | 47 | | \ | 48 v | 2.11BSD 49Tenth Edition | | 50 | 2.11BSD rev #430 51 4.3BSD NET/1 | 52 | v 53 4.3BSD Reno 54 | 55 *---------- 4.3BSD NET/2 -------------------+-------------* 56 | | | | 57386BSD 0.0 | | BSD/386 ALPHA 58 | | | | 59386BSD 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 | / | | | 67FreeBSD 1.0 <-----' *--NetBSD 0.9 | BSD/386 1.1 68 | | .----- 4.4BSD Lite | 69FreeBSD 1.1 | / / | \ | 70 | | / | | \ | 71FreeBSD 1.1.5 .---|--------' | | \ | 72 | / | | | \ | 73FreeBSD 1.1.5.1 / | | | \ | 74 | / *--NetBSD 1.0 <-' | \ | 75 | / | | \ | 76FreeBSD 2.0 <--' | | BSD/OS 2.0 77 | \ | | 78FreeBSD 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 | 85FreeBSD 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 | | | | | | | 118FreeBSD 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 130FreeBSD 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 | | | | \ 177FreeBSD 5.0 | | | | 178 | | | | | 179FreeBSD 5.1 | | | DragonFly 1.0 180 | \ | | | | 181 | ----- Mac OS X | | | 182 | 10.3 | | | 183FreeBSD 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 | | | | | 9.0 | | | 410 | | | | | | | | | 411 | | | | | | | | DragonFly 5.8 412 | | | | | | | | | 413 | | | | | | | | DragonFly 5.6.3 414 | | | | | | NetBSD | | 415 | | | | | | 8.2 | | 416 | | | | | | | | DragonFly 5.8.1 417 | | | | | | | OpenBSD 6.7 | 418 | | FreeBSD | | | | | | 419 | | 11.4 | | | | | | 420 | | | | | | | DragonFly 5.8.2 421 | | | | | | | DragonFly 5.8.3 422 | | | | NetBSD | OpenBSD 6.8 | 423 | | | | 9.1 | | | 424 | FreeBSD macOS | | | | | 425 | 12.2 11 | | | | | 426 | | | | | | | | 427 | `------. | | | | | | 428 *--FreeBSD | | | | | | | 429 | 13.0 | | | NetBSD | OpenBSD 6.9 DragonFly 6.0.0 430 | | | | | 9.2 | | | 431 | | | | | | | | DragonFly 6.0.1 432 | | FreeBSD macOS | | | OpenBSD 7.0 | 433 | | 12.3 12 | | | | | 434 | | | | | | | | DragonFly 6.2.1 435 | | | | | | | OpenBSD 7.1 | 436 | FreeBSD | | | | | | | 437 | 13.1 | | | | | | | 438 | | | | | | | | DragonFly 6.2.2 439 | | | | | NetBSD | | | 440 | | | | | 9.3 | | | 441 | | | macOS | | | OpenBSD 7.2 | 442 | | | 13 | | | | | 443 | | FreeBSD | | | | | | 444 | | 12.4 | | | | | | 445 | | | | | | | DragonFly 6.4.0 446 | | | | | | OpenBSD 7.3 | 447 | FreeBSD | | | | | | 448 | 13.2 | | | | | | 449 | | | | | | | | 450 | `------. | | . | | | 451 | | macOS | \ | | | 452 | | 14 | \ . OpenBSD 7.4 | 453 *--FreeBSD | | | \ \ | | 454 | 14.0 | | | \ \ | | 455 | FreeBSD | | | | | | 456 | 13.3 | *--NetBSD | | | | 457 | | | 10.0 | | OpenBSD | 458 | | | | | 7.5 | 459 | | | NetBSD | | | 460 | | | 9.4 | | | 461 | | | NetBSD | | 462 | | | 8.3 | | 463 | | | | | 464FreeBSD 15 | NetBSD 11 OpenBSD DragonFly 465 -current | -current -current -current 466 | | | | | 467 v v v v v 468 469Time 470---------------- 471 472Time tolerance +/- 6 months, depending on which book/article you read; if it was 473the announcement in Usenet or if it was available as tape. 474 475[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 476 Quarterman. The Design and Implementation of the 4.4BSD Operating System. 477[APL] Apple website [https://www.apple.com/macosx/] 478[BSDI] Berkeley Software Design, Inc. 479[DFB] DragonFlyBSD Project, The. 480[DOC] README, COPYRIGHT on tape. 481[FBD] FreeBSD Project, The. 482[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, Volume 11, 483 Info 4, April, 1987. 484[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 485 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 486[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. Changes in the 487 Kernel in 2.9BSD. Second Berkeley Software Distribution UNIX Version 2.9, 488 July, 1983. 489[NBD] NetBSD Project, The. 490[OBD] OpenBSD Project, The. 491[QCU] Salus, Peter H. A quarter century of UNIX. ISBN 0201547775, EAN 492 9780201547771 493[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 494[TUHS] The Unix Historical Society. https://minnie.tuhs.org/Unix_History/. 495[USE] Usenet announcement. 496[WRS] Wind River Systems, Inc. 497[dmr] Dennis Ritchie, via E-Mail 498 499Multics 1965 500UNIX Summer 1969 501 DEC PDP-7 502First Edition 1971-11-03 [QCU] 503 DEC PDP-11/20, Assembler 504Second Edition 1972-06-12 [QCU] 505 10 UNIX installations 506Third Edition 1973-02-xx [QCU] 507 Pipes, 16 installations 508Fourth Edition 1973-11-xx [QCU] 509 rewriting in C effected, 510 above 30 installations 511Fifth Edition 1974-06-xx [QCU] 512 above 50 installations 513Sixth Edition 1975-05-xx [QCU] 514 port to DEC Vax 515Seventh Edition 1979-01-xx [QCU] 1979-01-10 [TUHS] 516 first portable UNIX 517Eighth Edition 1985-02-xx [QCU] 518 VAX 11/750, VAX 11/780 [dmr] 519 descended from 4.1c BSD [dmr] 520 descended from 4.1 BSD [44B] 521 scooping-out and replacement of the character-device 522 and networking part by the streams mechanism 523 524Ninth Edition 1986-09-xx [QCU] 525Tenth Edition 1989-10-xx [QCU] 526 5271BSD late 1977 528 1978-01-16 [DOC] 529 1978-03-09 [QCU] 530 PDP-11, Pascal, ex(1) 531 30 free copies of 1BSD sent out 532 35 tapes sold for 50 USD [QCU] 5332BSD mid 1978 [QCU] 1979-05-10 [TUHS] 534 75 2BSD tapes shipped 5352.79BSD 1980-04-xx [TUHS] 5362.8BSD 1981-07-xx [KSJ] 537 First 2BSD with bootable V7 kernel plus 538 community fixes. 5392.8.1BSD 1982-01-xx [QCU] 540 set of performance improvements 5412.9BSD 1983-07-xx [KSJ] 5422.9.1BSD 1983-11-xx [TUHS] 5432.9BSD-Seismo 1985-08-xx [SMS] 5442.10BSD 1987-04-xx [KKK] 5452.10.1BSD 1989-01-xx [SMS] 5462.11BSD 1991-03-14 [SMS] 5472.11BSD rev #430 1999-12-13 [SMS] 548 54932V 1978-1[01]-xx [QCU] 1979-03-26 [TUHS] 5503BSD late 1979 [QCU] March 1980 [TUHS] 551 virtual memory, page replacement, 552 demand paging 5534.0BSD 1980-10-xx 5544.1BSD 1981-07-08 [DOC] 5554.1aBSD 1982-04-xx 556 alpha release, 100 sites, networking [44B] 5574.1bBSD internal release, fast filesystem [44B] 5584.1cBSD late 1982 559 beta release, IPC [44B] 5604.2BSD 1983-09-xx [QCU] 561 1983-08-03 [DOC] 5624.3BSD 1986-06-xx [QCU] 563 1986-04-05 [KB], [DOC] 5644.3BSD Tahoe 1988-06-15 [QCU], [DOC] 5654.3BSD NET/1 1988-11-xx [QCU] 566 1989-01-01 [DOC] 5674.3BSD Reno 1990-06-29 [QCU], [DOC] 5684.3BSD NET/2 1991-06-28 [QCU], [DOC] 569 570BSD/386 ALPHA 1991-12-xx [BSDI] 571 first code released to people outside BSDI 572386BSD 0.0 1992-02-xx [DOC] 573BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 574BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 575386BSD 0.1 1992-07-28 [DOC] 5764.4BSD Alpha 1992-07-07 577BSD/386 0.9.3 1992-10-xx [BSDI] 578 first external gamma; G customers 579BSD/386 0.9.4 1992-12-xx [BSDI] 580 would have been 1.0 except for request 581 for preliminary injunction 582BSD/386 1.0 1993-03-xx [BSDI] 583 injunction denied; first official release 584NetBSD 0.8 1993-04-20 [NBD] 5854.4BSD 1993-06-01 [USE] 586NetBSD 0.9 1993-08-23 [NBD] 587FreeBSD 1.0 1993-11-01 [FBD] 588FreeBSD 1.0.2 1993-11-14 [FBD] 589 supersedes 1.0 13 days after release. 590BSD/386 1.1 1994-02-xx [BSDI] 5914.4BSD Lite 1994-03-01 [USE] 592FreeBSD 1.1 1994-05-07 [FBD] 593FreeBSD 1.1.5 1994-06-30 [FBD] 594FreeBSD 1.1.5.1 1994-07-05 [FBD] 595 supersedes 1.1.5 5 days after release. 596NetBSD 1.0 1994-10-26 [NBD] 597386BSD 1.0 1994-11-12 [USE] 598FreeBSD 2.0 1994-11-23 [FBD] 599BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 600FreeBSD 2.0.5 1995-06-10 [FBD] 601BSD/OS 2.0.1 1995-06-xx [BSDI] 6024.4BSD Lite Release 2 1995-06-xx [44B] 603 the true final distribution from the CSRG 604FreeBSD 2.1.0 1995-11-19 [FBD] 605NetBSD 1.1 1995-11-26 [NBD] 606BSD/OS 2.1 1996-01-xx [BSDI] 607FreeBSD 2.1.5 1996-07-14 [FBD] 608NetBSD 1.2 1996-10-04 [NBD] 609OpenBSD 2.0 1996-10-18 [OBD] 610FreeBSD 2.1.6 1996-11-16 [FBD] 611FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 612Rhapsody 1997-xx-xx 613FreeBSD 2.1.7 1997-02-20 [FBD] 614BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 615FreeBSD 2.2.0 1997-03-16 [FBD] 616FreeBSD 2.2.1 1997-03-25 [FBD] 617FreeBSD 2.2.2 1997-05-16 [FBD] 618NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 619OpenBSD 2.1 1997-06-01 [OBD] 620FreeBSD 2.2.5 1997-10-22 [FBD] 621OpenBSD 2.2 1997-12-01 [OBD] 622NetBSD 1.3 1998-01-04 [NBD] 623FreeBSD 2.2.6 1998-03-25 [FBD] 624NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 625BSD/OS 3.1 1998-03-xx [BSDI] 626OpenBSD 2.3 1998-05-19 [OBD] 627NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 628FreeBSD 2.2.7 1998-07-22 [FBD] 629BSD/OS 4.0 1998-08-xx [BSDI] 630 2-lock MP support, ELF executables 631FreeBSD 3.0 1998-10-16 [FBD] 632 FreeBSD-3.0 is a snapshot from -current, 633 while 3.1 and 3.2 are from 3.x-stable which 634 was branched quite some time after 3.0-release 635FreeBSD 2.2.8 1998-11-29 [FBD] 636OpenBSD 2.4 1998-12-01 [OBD] 637NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 638FreeBSD 3.1 1999-02-15 [FBD] 639BSD/OS 4.0.1 1999-03-xx [BSDI] 640NetBSD 1.4 1999-05-12 [NBD] 641FreeBSD 3.2 1999-05-17 [FBD] 642OpenBSD 2.5 1999-05-19 [OBD] 643NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 644FreeBSD 3.3 1999-09-17 [FBD] 645OpenBSD 2.6 1999-12-01 [OBD] 646FreeBSD 3.4 1999-12-20 [FBD] 647BSD/OS 4.1 1999-12-xx [BSDI] 648FreeBSD 4.0 2000-03-13 [FBD] 649NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 650OpenBSD 2.7 2000-06-15 [OBD] 651FreeBSD 3.5 2000-06-24 [FBD] 652FreeBSD 4.1 2000-07-27 [FBD] 653FreeBSD 3.5.1 2000-07-28 [FBD] 654FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 655FreeBSD 4.2 2000-11-21 [FBD] 656NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 657BSD/OS 4.2 2000-11-29 [BSDI] 658OpenBSD 2.8 2000-12-01 [OBD] 659NetBSD 1.5 2000-12-06 [NBD] 660Mac OS X 10.0 2001-03-24 [APL] 661FreeBSD 4.3 2001-04-20 [FBD] 662OpenBSD 2.9 2001-06-01 [OBD] 663NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 664NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 665FreeBSD 4.4 2001-09-18 [FBD] 666Mac OS X 10.1 2001-09-29 [APL] 667OpenBSD 3.0 2001-12-01 [OBD] 668FreeBSD 4.5 2002-01-29 [FBD] 669BSD/OS 4.3 2002-03-14 [WRS] 670OpenBSD 3.1 2002-05-19 [OBD] 671FreeBSD 4.6 2002-06-15 [FBD] 672NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 673FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 674Mac OS X 10.2 2002-08-23 [APL] 675NetBSD 1.6 2002-09-14 [NBD] 676FreeBSD 4.7 2002-10-08 [FBD] 677OpenBSD 3.2 2002-11-01 [OBD] 678FreeBSD 5.0 2003-01-17 [FBD] 679 FreeBSD 5.0 is a separate branch off of 680 -current, similar to 3.0. 681FreeBSD 4.8 2003-04-03 [FBD] 682NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 683OpenBSD 3.3 2003-05-01 [OBD] 684BSD/OS 5.0 2003-05-?? [WRS] 685FreeBSD 5.1 2003-06-09 [FBD] 686Mac OS X 10.3 2003-10-24 [APL] 687FreeBSD 4.9 2003-10-28 [FBD] 688BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 689OpenBSD 3.4 2003-11-01 [OBD] 690FreeBSD 5.2 2004-01-12 [FBD] 691FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 692NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 693OpenBSD 3.5 2004-04-01 [OBD] 694FreeBSD 4.10 2004-05-27 [FBD] 695DragonFly 1.0 2004-07-12 [DFB] 696OpenBSD 3.6 2004-10-29 [OBD] 697FreeBSD 5.3 2004-11-06 [FBD] 698NetBSD 2.0 2004-12-09 [NBD] 699FreeBSD 4.11 2005-01-25 [FBD] 700DragonFly 1.2.0 2005-04-08 [DFB] 701NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 702Mac OS X 10.4 2005-04-29 [APL] 703FreeBSD 5.4 2005-05-09 [FBD] 704OpenBSD 3.7 2005-05-19 [OBD] 705NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 706OpenBSD 3.8 2005-11-01 [OBD] 707FreeBSD 6.0 2005-11-01 [FBD] 708NetBSD 2.1 2005-11-02 [NBD] 709NetBSD 3.0 2005-12-23 [NBD] 710DragonFly 1.4.0 2006-01-08 [DFB] 711FreeBSD 2.2.9 2006-04-01 [FBD] 712OpenBSD 3.9 2006-05-01 [OBD] 713FreeBSD 6.1 2006-05-08 [FBD] 714FreeBSD 5.5 2006-05-25 [FBD] 715NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 716DragonFly 1.6.0 2006-07-24 [DFB] 717OpenBSD 4.0 2006-11-01 [OBD] 718NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 719NetBSD 3.1 2006-11-04 [NBD] 720FreeBSD 6.2 2007-01-15 [FBD] 721DragonFly 1.8.0 2007-01-30 [DFB] 722OpenBSD 4.1 2007-05-01 [OBD] 723DragonFly 1.10.0 2007-08-06 [DFB] 724Mac OS X 10.5 2007-10-26 [APL] 725OpenBSD 4.2 2007-11-01 [OBD] 726NetBSD 4.0 2007-12-19 [NBD] 727FreeBSD 6.3 2008-01-18 [FBD] 728DragonFly 1.12.0 2008-02-26 [DFB] 729FreeBSD 7.0 2008-02-27 [FBD] 730OpenBSD 4.3 2008-05-01 [OBD] 731DragonFly 2.0.0 2008-07-21 [DFB] 732OpenBSD 4.4 2008-11-01 [OBD] 733FreeBSD 6.4 2008-11-28 [FBD] 734FreeBSD 7.1 2009-01-04 [FBD] 735DragonFly 2.2.0 2009-02-17 [DFB] 736NetBSD 5.0 2009-04-29 [NBD] 737OpenBSD 4.5 2009-05-01 [OBD] 738FreeBSD 7.2 2009-05-04 [FBD] 739Mac OS X 10.6 2009-06-08 [APL] 740NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 741DragonFly 2.4.0 2009-09-16 [DFB] 742OpenBSD 4.6 2009-10-18 [OBD] 743FreeBSD 8.0 2009-11-26 [FBD] 744NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 745FreeBSD 7.3 2010-03-23 [FBD] 746DragonFly 2.6.0 2010-03-28 [DFB] 747OpenBSD 4.7 2010-05-19 [OBD] 748FreeBSD 8.1 2010-07-24 [FBD] 749DragonFly 2.8.2 2010-10-30 [DFB] 750OpenBSD 4.8 2010-11-01 [OBD] 751NetBSD 5.1 2010-11-19 [NBD] 752FreeBSD 7.4 2011-02-24 [FBD] 753FreeBSD 8.2 2011-02-24 [FBD] 754DragonFly 2.10.1 2011-04-26 [DFB] 755OpenBSD 4.9 2011-05-01 [OBD] 756Mac OS X 10.7 2011-07-20 [APL] 757OpenBSD 5.0 2011-11-01 [OBD] 758FreeBSD 9.0 2012-01-12 [FBD] 759NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 760DragonFly 3.0.1 2012-02-21 [DFB] 761FreeBSD 8.3 2012-04-18 [FBD] 762OpenBSD 5.1 2012-05-01 [OBD] 763Mac OS X 10.8 2012-07-25 [APL] 764NetBSD 6.0 2012-10-17 [NBD] 765OpenBSD 5.2 2012-11-01 [OBD] 766DragonFly 3.2.1 2012-11-02 [DFB] 767NetBSD 5.2 2012-12-03 [NBD] 768NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 769FreeBSD 9.1 2012-12-30 [FBD] 770DragonFly 3.4.1 2013-04-29 [DFB] 771OpenBSD 5.3 2013-05-01 [OBD] 772NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 773NetBSD 6.1 2013-05-18 [NBD] 774FreeBSD 8.4 2013-06-07 [FBD] 775NetBSD 6.1.1 2013-08-22 [NBD] 776NetBSD 5.1.3 2013-09-29 [NBD] 777NetBSD 5.2.1 2013-09-29 [NBD] 778FreeBSD 9.2 2013-09-30 [FBD] 779NetBSD 6.0.3 2013-09-30 [NBD] 780NetBSD 6.1.2 2013-09-30 [NBD] 781Mac OS X 10.9 2013-10-22 [APL] 782OpenBSD 5.4 2013-11-01 [OBD] 783DragonFly 3.6.0 2013-11-25 [DFB] 784FreeBSD 10.0 2014-01-20 [FBD] 785NetBSD 5.1.4 2014-01-25 [NBD] 786NetBSD 5.2.2 2014-01-25 [NBD] 787NetBSD 6.0.4 2014-01-25 [NBD] 788NetBSD 6.1.3 2014-01-25 [NBD] 789DragonFly 3.6.1 2014-02-22 [DFB] 790DragonFly 3.6.2 2014-04-10 [DFB] 791NetBSD 6.0.5 2014-04-12 [NBD] 792NetBSD 6.1.4 2014-04-12 [NBD] 793OpenBSD 5.5 2014-05-01 [OBD] 794DragonFly 3.8.0 2014-06-04 [DFB] 795DragonFly 3.8.1 2014-06-16 [DFB] 796DragonFly 3.6.3 2014-06-17 [DFB] 797FreeBSD 9.3 2014-07-05 [FBD] 798DragonFly 3.8.2 2014-08-08 [DFB] 799NetBSD 6.0.6 2014-09-22 [NBD] 800NetBSD 6.1.5 2014-09-22 [NBD] 801Mac OS X 10.10 2014-10-16 [APL] 802OpenBSD 5.6 2014-11-01 [OBD] 803FreeBSD 10.1 2014-11-14 [FBD] 804DragonFly 4.0.1 2014-11-25 [DFB] 805DragonFly 4.0.2 2015-01-07 [DFB] 806DragonFly 4.0.3 2015-01-21 [DFB] 807DragonFly 4.0.4 2015-03-09 [DFB] 808DragonFly 4.0.5 2015-03-23 [DFB] 809OpenBSD 5.7 2015-05-01 [OBD] 810DragonFly 4.2.0 2015-06-29 [DFB] 811FreeBSD 10.2 2015-08-13 [FBD] 812NetBSD 7.0 2015-09-25 [NBD] 813OS X 10.11 2015-09-30 [APL] 814OpenBSD 5.8 2015-10-18 [OBD] 815DragonFly 4.4.1 2015-12-07 [DFB] 816OpenBSD 5.9 2016-03-29 [OBD] 817FreeBSD 10.3 2016-04-04 [FBD] 818NetBSD 7.0.1 2016-05-22 [NBD] 819DragonFly 4.6.0 2016-08-02 [DFB] 820OpenBSD 6.0 2016-09-01 [OBD] 821macOS 10.12 2016-09-20 [APL] 822FreeBSD 11.0 2016-10-10 [FBD] 823NetBSD 7.0.2 2016-10-21 [NBD] 824NetBSD 7.1 2017-03-11 [NBD] 825DragonFly 4.8.0 2017-03-27 [DFB] 826OpenBSD 6.1 2017-04-11 [OBD] 827FreeBSD 11.1 2017-07-26 [FBD] 828macOS 10.13 2017-09-25 [APL] 829FreeBSD 10.4 2017-10-03 [FBD] 830OpenBSD 6.2 2017-10-09 [OBD] 831DragonFly 5.0.0 2017-10-16 [DFB] 832DragonFly 5.0.1 2017-11-06 [DFB] 833DragonFly 5.0.2 2017-12-04 [DFB] 834NetBSD 7.1.1 2017-12-22 [NBD] 835NetBSD 7.1.2 2018-03-15 [NBD] 836OpenBSD 6.3 2018-04-02 [OBD] 837DragonFly 5.2.0 2018-04-10 [DFB] 838DragonFly 5.2.1 2018-05-20 [DFB] 839DragonFly 5.2.2 2018-06-18 [DFB] 840FreeBSD 11.2 2018-06-27 [FBD] 841NetBSD 8.0 2018-07-17 [NBD] 842NetBSD 7.2 2018-08-29 [NBD] 843macOS 10.14 2018-09-24 [APL] 844OpenBSD 6.4 2018-10-18 [OBD] 845DragonFly 5.4.0 2018-12-03 [DFB] 846FreeBSD 12.0 2018-12-11 [FBD] 847DragonFly 5.4.1 2018-12-24 [DFB] 848OpenBSD 6.5 2019-05-01 [OBD] 849NetBSD 8.1 2019-06-04 [NBD] 850DragonFly 5.6 2019-06-17 [DFB] 851DragonFly 5.6.1 2019-06-19 [DFB] 852FreeBSD 11.3 2019-07-09 [FBD] 853DragonFly 5.6.2 2019-08-11 [DFB] 854OpenBSD 6.6 2019-10-17 [OBD] 855macOS 10.15 2019-10-07 [APL] 856macOS 10.15.1 2019-10-29 [APL] (security/critical release) 857FreeBSD 12.1 2019-11-04 [FBD] 858NetBSD 9.0 2020-02-14 [NBD] 859DragonFly 5.8 2020-03-03 [DFB] 860DragonFly 5.6.3 2020-03-11 [DFB] 861NetBSD 8.2 2020-03-31 [NBD] 862DragonFly 5.8.1 2020-05-06 [DFB] 863OpenBSD 6.7 2020-05-19 [OBD] 864FreeBSD 11.4 2020-06-16 [FBD] 865DragonFly 5.8.2 2020-09-23 [DFB] 866DragonFly 5.8.3 2020-09-24 [DFB] 867OpenBSD 6.8 2020-10-18 [OBD] 868NetBSD 9.1 2020-10-18 [NBD] 869FreeBSD 12.2 2020-10-27 [FBD] 870macOS 11 2020-11-12 [APL] 871FreeBSD 13.0 2021-04-13 [FBD] 872OpenBSD 6.9 2021-05-01 [OBD] 873DragonFly 6.0 2021-05-08 [DFB] 874NetBSD 9.2 2021-05-12 [NBD] 875DragonFly 6.0.1 2021-10-12 [DFB] 876OpenBSD 7.0 2021-10-14 [OBD] 877macOS 12 2021-10-25 [APL] 878FreeBSD 12.3 2021-12-01 [FBD] 879DragonFly 6.2.1 2022-01-09 [DFB] 880OpenBSD 7.1 2022-04-21 [OBD] 881FreeBSD 13.1 2022-05-17 [FBD] 882DragonFly 6.2.2 2022-06-09 [DFB] 883NetBSD 9.3 2022-08-04 [NBD] 884OpenBSD 7.2 2022-10-20 [OBD] 885macOS 13 2022-10-24 [APL] 886FreeBSD 12.4 2022-12-05 [FBD] 887DragonFly 6.4 2022-12-30 [DFB] 888OpenBSD 7.3 2023-04-10 [OBD] 889FreeBSD 13.2 2023-04-11 [FBD] 890macOS 14 2023-09-26 [APL] 891OpenBSD 7.4 2023-10-16 [OBD] 892FreeBSD 14.0 2023-11-20 [FBD] 893FreeBSD 13.3 2024-03-05 [FBD] 894NetBSD 10.0 2024-03-28 [NBD] 895OpenBSD 7.5 2024-04-05 [OBD] 896NetBSD 9.4 2024-04-20 [NBD] 897NetBSD 8.3 2024-05-07 [NBD] 898 899Bibliography 900------------------------ 901 902Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 903Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 904System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 905 906Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 907Company, Inc., 1994. ISBN 0-201-54777-5 908 909McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 910Quarterman. The Design and Implementation of the 4.4BSD Operating 911System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 912 913McKusick, Marshall Kirk, George Neville-Neil. The Design and 914Implementation of the FreeBSD Operating System. 915Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 916 917McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The 918Design and Implementation of the FreeBSD Operating System, 2nd Edition. 919Pearson Education, Inc., 2014. ISBN 0-321-96897-2 920 921Doug McIlroy. Research Unix Reader. 922 923Michael G. Brown. The Role of BSD in the Development of Unix. 924Presented to the Tasmanian Unix Special Interest Group of the 925Australian Computer Society, Hobart, August 1993. 926 927Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 928URL: https://web.archive.org/web/20081230094857/http://www.byte.com/art/9410/sec8/art3.htm 929 930Andreas Klemm, Lars K��ller. If you're going to San Francisco ... 931Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 932 933FreeBSD Release Information 934URL: https://www.FreeBSD.org/releases/ 935 936Manual pages for FreeBSD and ports 937URL: https://man.FreeBSD.org/cgi/man.cgi 938 939UNIX history graphing project 940URL: https://minnie.tuhs.org/Unix_History/index.html 941 942UNIX history 943URL: https://www.levenez.com/unix/ 944 945James Howard: The BSD Family Tree 946URL: https://web.archive.org/web/20090427195917/http://ezine.daemonnews.org/200104/bsd_family.html 947("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 948 949 950Acknowledgments 951--------------- 952 953Josh Gilliam for suggestions, bug fixes, and finding very old 954original BSD announcements from Usenet or tapes. 955 956Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 957 958-- 959Copyright (c) 1997-2023 Wolfram Schneider <wosch@FreeBSD.org> 960URL: https://cgit.freebsd.org/src/tree/share/misc/bsd-family-tree 961 962$NetBSD: bsd-family-tree,v 1.85 2024/05/16 12:04:21 ast Exp $ 963