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 9.1 OpenBSD 6.8 | 423 | FreeBSD macOS | | | | 424 | 12.2 11 | | | | 425 | | | | | | | 426 | `------. | | | | | 427 | | | | | | | 428 *--FreeBSD | | | | | | 429 | 13.0 | | | NetBSD 9.2 OpenBSD 6.9 DragonFly 6.0.0 430 | | | | | | | | 431 | | | | | | | DragonFly 6.0.1 432 | | | | | | | | 433 | | FreeBSD macOS | | OpenBSD 7.0 | 434 | | 12.3 12 | | | | 435 | | | | | | | DragonFly 6.2.1 436 | | | | | | OpenBSD 7.1 | 437 | FreeBSD | | | | | | 438 | 13.1 | | | | | | 439 | | | | | | | DragonFly 6.2.2 440 | | | | | NetBSD 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 | macOS | | | 450 | 14 | | | 451 | | | OpenBSD 7.4 | 452 | | | | | 453FreeBSD 14 -current | NetBSD -current OpenBSD -current DragonFly -current 454 | | | | | 455 v v v v v 456 457Time 458---------------- 459 460Time tolerance +/- 6 months, depending on which book/article you read; if it 461was the announcement in Usenet or if it was available as tape. 462 463[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 464 and John Quarterman. The Design and Implementation of 465 the 4.4BSD Operating System. 466[APL] Apple website [https://www.apple.com/macosx/] 467[BSDI] Berkeley Software Design, Inc. 468[DFB] DragonFlyBSD Project, The. 469[DOC] README, COPYRIGHT on tape. 470[FBD] FreeBSD Project, The. 471[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 472 Volume 11, Info 4, April, 1987. 473[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 474 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 475[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 476 Changes in the Kernel in 2.9BSD. Second Berkeley Software 477 Distribution UNIX Version 2.9, July, 1983. 478[NBD] NetBSD Project, The. 479[OBD] OpenBSD Project, The. 480[QCU] Salus, Peter H. A quarter century of UNIX. 481[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 482[TUHS] The Unix Historical Society. https://minnie.tuhs.org/Unix_History/. 483[USE] Usenet announcement. 484[WRS] Wind River Systems, Inc. 485[dmr] Dennis Ritchie, via E-Mail 486 487Multics 1965 488UNIX Summer 1969 489 DEC PDP-7 490First Edition 1971-11-03 [QCU] 491 DEC PDP-11/20, Assembler 492Second Edition 1972-06-12 [QCU] 493 10 UNIX installations 494Third Edition 1973-02-xx [QCU] 495 Pipes, 16 installations 496Fourth Edition 1973-11-xx [QCU] 497 rewriting in C effected, 498 above 30 installations 499Fifth Edition 1974-06-xx [QCU] 500 above 50 installations 501Sixth Edition 1975-05-xx [QCU] 502 port to DEC Vax 503Seventh Edition 1979-01-xx [QCU] 1979-01-10 [TUHS] 504 first portable UNIX 505Eighth Edition 1985-02-xx [QCU] 506 VAX 11/750, VAX 11/780 [dmr] 507 descended from 4.1c BSD [dmr] 508 descended from 4.1 BSD [44B] 509 scooping-out and replacement of the character-device 510 and networking part by the streams mechanism 511 512Ninth Edition 1986-09-xx [QCU] 513Tenth Edition 1989-10-xx [QCU] 514 5151BSD late 1977 516 1978-01-16 [DOC] 517 1978-03-09 [QCU] 518 PDP-11, Pascal, ex(1) 519 30 free copies of 1BSD sent out 520 35 tapes sold for 50 USD [QCU] 5212BSD mid 1978 [QCU] 1979-05-10 [TUHS] 522 75 2BSD tapes shipped 5232.79BSD 1980-04-xx [TUHS] 5242.8BSD 1981-07-xx [KSJ] 525 First 2BSD with bootable V7 kernel plus 526 community fixes. 5272.8.1BSD 1982-01-xx [QCU] 528 set of performance improvements 5292.9BSD 1983-07-xx [KSJ] 5302.9.1BSD 1983-11-xx [TUHS] 5312.9BSD-Seismo 1985-08-xx [SMS] 5322.10BSD 1987-04-xx [KKK] 5332.10.1BSD 1989-01-xx [SMS] 5342.11BSD 1991-03-14 [SMS] 5352.11BSD rev #430 1999-12-13 [SMS] 536 53732V 1978-1[01]-xx [QCU] 1979-03-26 [TUHS] 5383BSD late 1979 [QCU] March 1980 [TUHS] 539 virtual memory, page replacement, 540 demand paging 5414.0BSD 1980-10-xx 5424.1BSD 1981-07-08 [DOC] 5434.1aBSD 1982-04-xx 544 alpha release, 100 sites, networking [44B] 5454.1bBSD internal release, fast filesystem [44B] 5464.1cBSD late 1982 547 beta release, IPC [44B] 5484.2BSD 1983-09-xx [QCU] 549 1983-08-03 [DOC] 5504.3BSD 1986-06-xx [QCU] 551 1986-04-05 [KB], [DOC] 5524.3BSD Tahoe 1988-06-15 [QCU], [DOC] 5534.3BSD NET/1 1988-11-xx [QCU] 554 1989-01-01 [DOC] 5554.3BSD Reno 1990-06-29 [QCU], [DOC] 5564.3BSD NET/2 1991-06-28 [QCU], [DOC] 557 558BSD/386 ALPHA 1991-12-xx [BSDI] 559 first code released to people outside BSDI 560386BSD 0.0 1992-02-xx [DOC] 561BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 562BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 563386BSD 0.1 1992-07-28 [DOC] 5644.4BSD Alpha 1992-07-07 565BSD/386 0.9.3 1992-10-xx [BSDI] 566 first external gamma; G customers 567BSD/386 0.9.4 1992-12-xx [BSDI] 568 would have been 1.0 except for request 569 for preliminary injunction 570BSD/386 1.0 1993-03-xx [BSDI] 571 injunction denied; first official release 572NetBSD 0.8 1993-04-20 [NBD] 5734.4BSD 1993-06-01 [USE] 574NetBSD 0.9 1993-08-23 [NBD] 575FreeBSD 1.0 1993-11-01 [FBD] 576FreeBSD 1.0.2 1993-11-14 [FBD] 577 supersedes 1.0 13 days after release. 578BSD/386 1.1 1994-02-xx [BSDI] 5794.4BSD Lite 1994-03-01 [USE] 580FreeBSD 1.1 1994-05-07 [FBD] 581FreeBSD 1.1.5 1994-06-30 [FBD] 582FreeBSD 1.1.5.1 1994-07-05 [FBD] 583 supersedes 1.1.5 5 days after release. 584NetBSD 1.0 1994-10-26 [NBD] 585386BSD 1.0 1994-11-12 [USE] 586FreeBSD 2.0 1994-11-23 [FBD] 587BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 588FreeBSD 2.0.5 1995-06-10 [FBD] 589BSD/OS 2.0.1 1995-06-xx [BSDI] 5904.4BSD Lite Release 2 1995-06-xx [44B] 591 the true final distribution from the CSRG 592FreeBSD 2.1.0 1995-11-19 [FBD] 593NetBSD 1.1 1995-11-26 [NBD] 594BSD/OS 2.1 1996-01-xx [BSDI] 595FreeBSD 2.1.5 1996-07-14 [FBD] 596NetBSD 1.2 1996-10-04 [NBD] 597OpenBSD 2.0 1996-10-18 [OBD] 598FreeBSD 2.1.6 1996-11-16 [FBD] 599FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 600Rhapsody 1997-xx-xx 601FreeBSD 2.1.7 1997-02-20 [FBD] 602BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 603FreeBSD 2.2.0 1997-03-16 [FBD] 604FreeBSD 2.2.1 1997-03-25 [FBD] 605FreeBSD 2.2.2 1997-05-16 [FBD] 606NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 607OpenBSD 2.1 1997-06-01 [OBD] 608FreeBSD 2.2.5 1997-10-22 [FBD] 609OpenBSD 2.2 1997-12-01 [OBD] 610NetBSD 1.3 1998-01-04 [NBD] 611FreeBSD 2.2.6 1998-03-25 [FBD] 612NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 613BSD/OS 3.1 1998-03-xx [BSDI] 614OpenBSD 2.3 1998-05-19 [OBD] 615NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 616FreeBSD 2.2.7 1998-07-22 [FBD] 617BSD/OS 4.0 1998-08-xx [BSDI] 618 2-lock MP support, ELF executables 619FreeBSD 3.0 1998-10-16 [FBD] 620 FreeBSD-3.0 is a snapshot from -current, 621 while 3.1 and 3.2 are from 3.x-stable which 622 was branched quite some time after 3.0-release 623FreeBSD 2.2.8 1998-11-29 [FBD] 624OpenBSD 2.4 1998-12-01 [OBD] 625NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 626FreeBSD 3.1 1999-02-15 [FBD] 627BSD/OS 4.0.1 1999-03-xx [BSDI] 628NetBSD 1.4 1999-05-12 [NBD] 629FreeBSD 3.2 1999-05-17 [FBD] 630OpenBSD 2.5 1999-05-19 [OBD] 631NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 632FreeBSD 3.3 1999-09-17 [FBD] 633OpenBSD 2.6 1999-12-01 [OBD] 634FreeBSD 3.4 1999-12-20 [FBD] 635BSD/OS 4.1 1999-12-xx [BSDI] 636FreeBSD 4.0 2000-03-13 [FBD] 637NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 638OpenBSD 2.7 2000-06-15 [OBD] 639FreeBSD 3.5 2000-06-24 [FBD] 640FreeBSD 4.1 2000-07-27 [FBD] 641FreeBSD 3.5.1 2000-07-28 [FBD] 642FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 643FreeBSD 4.2 2000-11-21 [FBD] 644NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 645BSD/OS 4.2 2000-11-29 [BSDI] 646OpenBSD 2.8 2000-12-01 [OBD] 647NetBSD 1.5 2000-12-06 [NBD] 648Mac OS X 10.0 2001-03-24 [APL] 649FreeBSD 4.3 2001-04-20 [FBD] 650OpenBSD 2.9 2001-06-01 [OBD] 651NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 652NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 653FreeBSD 4.4 2001-09-18 [FBD] 654Mac OS X 10.1 2001-09-29 [APL] 655OpenBSD 3.0 2001-12-01 [OBD] 656FreeBSD 4.5 2002-01-29 [FBD] 657BSD/OS 4.3 2002-03-14 [WRS] 658OpenBSD 3.1 2002-05-19 [OBD] 659FreeBSD 4.6 2002-06-15 [FBD] 660NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 661FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 662Mac OS X 10.2 2002-08-23 [APL] 663NetBSD 1.6 2002-09-14 [NBD] 664FreeBSD 4.7 2002-10-08 [FBD] 665OpenBSD 3.2 2002-11-01 [OBD] 666FreeBSD 5.0 2003-01-17 [FBD] 667 FreeBSD 5.0 is a separate branch off of 668 -current, similar to 3.0. 669FreeBSD 4.8 2003-04-03 [FBD] 670NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 671OpenBSD 3.3 2003-05-01 [OBD] 672BSD/OS 5.0 2003-05-?? [WRS] 673FreeBSD 5.1 2003-06-09 [FBD] 674Mac OS X 10.3 2003-10-24 [APL] 675FreeBSD 4.9 2003-10-28 [FBD] 676BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 677OpenBSD 3.4 2003-11-01 [OBD] 678FreeBSD 5.2 2004-01-12 [FBD] 679FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 680NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 681OpenBSD 3.5 2004-04-01 [OBD] 682FreeBSD 4.10 2004-05-27 [FBD] 683DragonFly 1.0 2004-07-12 [DFB] 684OpenBSD 3.6 2004-10-29 [OBD] 685FreeBSD 5.3 2004-11-06 [FBD] 686NetBSD 2.0 2004-12-09 [NBD] 687FreeBSD 4.11 2005-01-25 [FBD] 688DragonFly 1.2.0 2005-04-08 [DFB] 689NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 690Mac OS X 10.4 2005-04-29 [APL] 691FreeBSD 5.4 2005-05-09 [FBD] 692OpenBSD 3.7 2005-05-19 [OBD] 693NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 694OpenBSD 3.8 2005-11-01 [OBD] 695FreeBSD 6.0 2005-11-01 [FBD] 696NetBSD 2.1 2005-11-02 [NBD] 697NetBSD 3.0 2005-12-23 [NBD] 698DragonFly 1.4.0 2006-01-08 [DFB] 699FreeBSD 2.2.9 2006-04-01 [FBD] 700OpenBSD 3.9 2006-05-01 [OBD] 701FreeBSD 6.1 2006-05-08 [FBD] 702FreeBSD 5.5 2006-05-25 [FBD] 703NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 704DragonFly 1.6.0 2006-07-24 [DFB] 705OpenBSD 4.0 2006-11-01 [OBD] 706NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 707NetBSD 3.1 2006-11-04 [NBD] 708FreeBSD 6.2 2007-01-15 [FBD] 709DragonFly 1.8.0 2007-01-30 [DFB] 710OpenBSD 4.1 2007-05-01 [OBD] 711DragonFly 1.10.0 2007-08-06 [DFB] 712Mac OS X 10.5 2007-10-26 [APL] 713OpenBSD 4.2 2007-11-01 [OBD] 714NetBSD 4.0 2007-12-19 [NBD] 715FreeBSD 6.3 2008-01-18 [FBD] 716DragonFly 1.12.0 2008-02-26 [DFB] 717FreeBSD 7.0 2008-02-27 [FBD] 718OpenBSD 4.3 2008-05-01 [OBD] 719DragonFly 2.0.0 2008-07-21 [DFB] 720OpenBSD 4.4 2008-11-01 [OBD] 721FreeBSD 6.4 2008-11-28 [FBD] 722FreeBSD 7.1 2009-01-04 [FBD] 723DragonFly 2.2.0 2009-02-17 [DFB] 724NetBSD 5.0 2009-04-29 [NBD] 725OpenBSD 4.5 2009-05-01 [OBD] 726FreeBSD 7.2 2009-05-04 [FBD] 727Mac OS X 10.6 2009-06-08 [APL] 728NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 729DragonFly 2.4.0 2009-09-16 [DFB] 730OpenBSD 4.6 2009-10-18 [OBD] 731FreeBSD 8.0 2009-11-26 [FBD] 732NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 733FreeBSD 7.3 2010-03-23 [FBD] 734DragonFly 2.6.0 2010-03-28 [DFB] 735OpenBSD 4.7 2010-05-19 [OBD] 736FreeBSD 8.1 2010-07-24 [FBD] 737DragonFly 2.8.2 2010-10-30 [DFB] 738OpenBSD 4.8 2010-11-01 [OBD] 739NetBSD 5.1 2010-11-19 [NBD] 740FreeBSD 7.4 2011-02-24 [FBD] 741FreeBSD 8.2 2011-02-24 [FBD] 742DragonFly 2.10.1 2011-04-26 [DFB] 743OpenBSD 4.9 2011-05-01 [OBD] 744Mac OS X 10.7 2011-07-20 [APL] 745OpenBSD 5.0 2011-11-01 [OBD] 746FreeBSD 9.0 2012-01-12 [FBD] 747NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 748DragonFly 3.0.1 2012-02-21 [DFB] 749FreeBSD 8.3 2012-04-18 [FBD] 750OpenBSD 5.1 2012-05-01 [OBD] 751Mac OS X 10.8 2012-07-25 [APL] 752NetBSD 6.0 2012-10-17 [NBD] 753OpenBSD 5.2 2012-11-01 [OBD] 754DragonFly 3.2.1 2012-11-02 [DFB] 755NetBSD 5.2 2012-12-03 [NBD] 756NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 757FreeBSD 9.1 2012-12-30 [FBD] 758DragonFly 3.4.1 2013-04-29 [DFB] 759OpenBSD 5.3 2013-05-01 [OBD] 760NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 761NetBSD 6.1 2013-05-18 [NBD] 762FreeBSD 8.4 2013-06-07 [FBD] 763NetBSD 6.1.1 2013-08-22 [NBD] 764NetBSD 5.1.3 2013-09-29 [NBD] 765NetBSD 5.2.1 2013-09-29 [NBD] 766FreeBSD 9.2 2013-09-30 [FBD] 767NetBSD 6.0.3 2013-09-30 [NBD] 768NetBSD 6.1.2 2013-09-30 [NBD] 769Mac OS X 10.9 2013-10-22 [APL] 770OpenBSD 5.4 2013-11-01 [OBD] 771DragonFly 3.6.0 2013-11-25 [DFB] 772FreeBSD 10.0 2014-01-20 [FBD] 773NetBSD 5.1.4 2014-01-25 [NBD] 774NetBSD 5.2.2 2014-01-25 [NBD] 775NetBSD 6.0.4 2014-01-25 [NBD] 776NetBSD 6.1.3 2014-01-25 [NBD] 777DragonFly 3.6.1 2014-02-22 [DFB] 778DragonFly 3.6.2 2014-04-10 [DFB] 779NetBSD 6.0.5 2014-04-12 [NBD] 780NetBSD 6.1.4 2014-04-12 [NBD] 781OpenBSD 5.5 2014-05-01 [OBD] 782DragonFly 3.8.0 2014-06-04 [DFB] 783DragonFly 3.8.1 2014-06-16 [DFB] 784DragonFly 3.6.3 2014-06-17 [DFB] 785FreeBSD 9.3 2014-07-05 [FBD] 786DragonFly 3.8.2 2014-08-08 [DFB] 787NetBSD 6.0.6 2014-09-22 [NBD] 788NetBSD 6.1.5 2014-09-22 [NBD] 789Mac OS X 10.10 2014-10-16 [APL] 790OpenBSD 5.6 2014-11-01 [OBD] 791FreeBSD 10.1 2014-11-14 [FBD] 792DragonFly 4.0.1 2014-11-25 [DFB] 793DragonFly 4.0.2 2015-01-07 [DFB] 794DragonFly 4.0.3 2015-01-21 [DFB] 795DragonFly 4.0.4 2015-03-09 [DFB] 796DragonFly 4.0.5 2015-03-23 [DFB] 797OpenBSD 5.7 2015-05-01 [OBD] 798DragonFly 4.2.0 2015-06-29 [DFB] 799FreeBSD 10.2 2015-08-13 [FBD] 800NetBSD 7.0 2015-09-25 [NBD] 801OS X 10.11 2015-09-30 [APL] 802OpenBSD 5.8 2015-10-18 [OBD] 803DragonFly 4.4.1 2015-12-07 [DFB] 804OpenBSD 5.9 2016-03-29 [OBD] 805FreeBSD 10.3 2016-04-04 [FBD] 806NetBSD 7.0.1 2016-05-22 [NBD] 807DragonFly 4.6.0 2016-08-02 [DFB] 808OpenBSD 6.0 2016-09-01 [OBD] 809macOS 10.12 2016-09-20 [APL] 810FreeBSD 11.0 2016-10-10 [FBD] 811NetBSD 7.0.2 2016-10-21 [NBD] 812NetBSD 7.1 2017-03-11 [NBD] 813DragonFly 4.8.0 2017-03-27 [DFB] 814OpenBSD 6.1 2017-04-11 [OBD] 815FreeBSD 11.1 2017-07-26 [FBD] 816macOS 10.13 2017-09-25 [APL] 817FreeBSD 10.4 2017-10-03 [FBD] 818OpenBSD 6.2 2017-10-09 [OBD] 819DragonFly 5.0.0 2017-10-16 [DFB] 820DragonFly 5.0.1 2017-11-06 [DFB] 821DragonFly 5.0.2 2017-12-04 [DFB] 822NetBSD 7.1.1 2017-12-22 [NBD] 823NetBSD 7.1.2 2018-03-15 [NBD] 824OpenBSD 6.3 2018-04-02 [OBD] 825DragonFly 5.2.0 2018-04-10 [DFB] 826DragonFly 5.2.1 2018-05-20 [DFB] 827DragonFly 5.2.2 2018-06-18 [DFB] 828FreeBSD 11.2 2018-06-27 [FBD] 829NetBSD 8.0 2018-07-17 [NBD] 830NetBSD 7.2 2018-08-29 [NBD] 831macOS 10.14 2018-09-24 [APL] 832OpenBSD 6.4 2018-10-18 [OBD] 833DragonFly 5.4.0 2018-12-03 [DFB] 834FreeBSD 12.0 2018-12-11 [FBD] 835DragonFly 5.4.1 2018-12-24 [DFB] 836OpenBSD 6.5 2019-05-01 [OBD] 837NetBSD 8.1 2019-06-04 [NBD] 838DragonFly 5.6 2019-06-17 [DFB] 839DragonFly 5.6.1 2019-06-19 [DFB] 840FreeBSD 11.3 2019-07-09 [FBD] 841DragonFly 5.6.2 2019-08-11 [DFB] 842OpenBSD 6.6 2019-10-17 [OBD] 843macOS 10.15 2019-10-07 [APL] 844macOS 10.15.1 2019-10-29 [APL] (security/critical release) 845FreeBSD 12.1 2019-11-04 [FBD] 846NetBSD 9.0 2020-02-14 [NBD] 847DragonFly 5.8 2020-03-03 [DFB] 848DragonFly 5.6.3 2020-03-11 [DFB] 849NetBSD 8.2 2020-03-31 [NBD] 850DragonFly 5.8.1 2020-05-06 [DFB] 851OpenBSD 6.7 2020-05-19 [OBD] 852FreeBSD 11.4 2020-06-16 [FBD] 853DragonFly 5.8.2 2020-09-23 [DFB] 854DragonFly 5.8.3 2020-09-24 [DFB] 855OpenBSD 6.8 2020-10-18 [OBD] 856NetBSD 9.1 2020-10-18 [NBD] 857FreeBSD 12.2 2020-10-27 [FBD] 858macOS 11 2020-11-19 [APL] 859FreeBSD 13.0 2021-04-13 [FBD] 860OpenBSD 6.9 2021-05-01 [OBD] 861DragonFly 6.0 2021-05-08 [DFB] 862NetBSD 9.2 2021-05-12 [NBD] 863DragonFly 6.0.1 2021-10-12 [DFB] 864OpenBSD 7.0 2021-10-14 [OBD] 865macOS 12 2021-10-25 [APL] 866FreeBSD 12.3 2021-12-01 [FBD] 867DragonFly 6.2.1 2022-01-09 [DFB] 868OpenBSD 7.1 2022-04-21 [OBD] 869FreeBSD 13.1 2022-05-17 [FBD] 870DragonFly 6.2.2 2022-06-09 [DFB] 871NetBSD 9.3 2022-08-04 [NBD] 872OpenBSD 7.2 2022-10-20 [OBD] 873macOS 13 2022-10-24 [APL] 874FreeBSD 12.4 2022-12-05 [FBD] 875DragonFly 6.4 2022-12-30 [DFB] 876OpenBSD 7.3 2023-04-10 [OBD] 877FreeBSD 13.2 2023-04-11 [FBD] 878macOS 14 2023-09-26 [APL] 879OpenBSD 7.4 2023-10-16 [OBD] 880 881Bibliography 882------------------------ 883 884Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 885Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 886System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 887 888Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 889Company, Inc., 1994. ISBN 0-201-54777-5 890 891McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 892Quarterman. The Design and Implementation of the 4.4BSD Operating 893System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 894 895McKusick, Marshall Kirk, George Neville-Neil. The Design and 896Implementation of the FreeBSD Operating System. 897Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 898 899McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The 900Design and Implementation of the FreeBSD Operating System, 2nd Edition. 901Pearson Education, Inc., 2014. ISBN 0-321-96897-2 902 903Doug McIlroy. Research Unix Reader. 904 905Michael G. Brown. The Role of BSD in the Development of Unix. 906Presented to the Tasmanian Unix Special Interest Group of the 907Australian Computer Society, Hobart, August 1993. 908 909Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 910URL: https://web.archive.org/web/20081230094857/http://www.byte.com/art/9410/sec8/art3.htm 911 912Andreas Klemm, Lars Köller. If you're going to San Francisco ... 913Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 914 915FreeBSD Release Information 916URL: https://www.FreeBSD.org/releases/ 917 918FreeBSD Manual Pages 919URL: https://man.freebsd.org/cgi/man.cgi 920 921UNIX history graphing project 922URL: https://minnie.tuhs.org/Unix_History/index.html 923 924UNIX history 925URL: https://www.levenez.com/unix/ 926 927James Howard: The BSD Family Tree 928URL: https://web.archive.org/web/20090427195917/http://ezine.daemonnews.org/200104/bsd_family.html 929("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 930 931 932Acknowledgments 933--------------- 934 935Josh Gilliam for suggestions, bug fixes, and finding very old 936original BSD announcements from Usenet or tapes. 937 938Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 939 940-- 941Copyright (c) 1997-2023 Wolfram Schneider <wosch@FreeBSD.org> 942URL: https://cgit.freebsd.org/src/tree/share/misc/bsd-family-tree 943