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 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 | | | | | OpenBSD 6.3 | 371 | | | NetBSD | | DragonFly 5.2.0 372 | | | 8.0 | | | 373 | | | | | | DragonFly 5.2.1 374 | | | | | | | 375 | | | | | | DragonFly 5.2.2 376 | FreeBSD | | NetBSD 7.2 | | 377 | 11.2 macOS | | | | 378 | 10.14 | | OpenBSD 6.4 | 379 | | | | | DragonFly 5.4.0 380 *--FreeBSD | | v | | 381 | 12.0 | | | DragonFly 5.4.1 382 | | | OpenBSD 6.5 | 383 | | | | | 384FreeBSD 13 -current | NetBSD -current OpenBSD -current DragonFly -current 385 | | | | | 386 v v v v v 387 388Time 389---------------- 390 391Time tolerance +/- 6 months, depending on which book/article you read; if it 392was the announcement in Usenet or if it was available as tape. 393 394[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 395 and John Quarterman. The Design and Implementation of 396 the 4.4BSD Operating System. 397[APL] Apple website [https://www.apple.com/macosx/] 398[BSDI] Berkeley Software Design, Inc. 399[DFB] DragonFlyBSD Project, The. 400[DOC] README, COPYRIGHT on tape. 401[FBD] FreeBSD Project, The. 402[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 403 Volume 11, Info 4, April, 1987. 404[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 405 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 406[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 407 Changes in the Kernel in 2.9BSD. Second Berkeley Software 408 Distribution UNIX Version 2.9, July, 1983. 409[NBD] NetBSD Project, The. 410[OBD] OpenBSD Project, The. 411[QCU] Salus, Peter H. A quarter century of UNIX. 412[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 413[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 414[USE] Usenet announcement. 415[WRS] Wind River Systems, Inc. 416[dmr] Dennis Ritchie, via E-Mail 417 418Multics 1965 419UNIX Summer 1969 420 DEC PDP-7 421First Edition 1971-11-03 [QCU] 422 DEC PDP-11/20, Assembler 423Second Edition 1972-06-12 [QCU] 424 10 UNIX installations 425Third Edition 1973-02-xx [QCU] 426 Pipes, 16 installations 427Fourth Edition 1973-11-xx [QCU] 428 rewriting in C effected, 429 above 30 installations 430Fifth Edition 1974-06-xx [QCU] 431 above 50 installations 432Sixth Edition 1975-05-xx [QCU] 433 port to DEC Vax 434Seventh Edition 1979-01-xx [QCU] 1979-01-10 [TUHS] 435 first portable UNIX 436Eighth Edition 1985-02-xx [QCU] 437 VAX 11/750, VAX 11/780 [dmr] 438 descended from 4.1c BSD [dmr] 439 descended from 4.1 BSD [44B] 440 scooping-out and replacement of the character-device 441 and networking part by the streams mechanism 442 443Ninth Edition 1986-09-xx [QCU] 444Tenth Edition 1989-10-xx [QCU] 445 4461BSD late 1977 447 1978-03-09 [QCU] 448 PDP-11, Pascal, ex(1) 449 30 free copies of 1BSD sent out 450 35 tapes sold for 50 USD [QCU] 4512BSD mid 1978 [QCU] 1979-05-10 [TUHS] 452 75 2BSD tapes shipped 4532.79BSD 1980-04-xx [TUHS] 4542.8BSD 1981-07-xx [KSJ] 455 4562.8.1BSD 1982-01-xx [QCU] 457 set of performance improvements 4582.9BSD 1983-07-xx [KSJ] 4592.9.1BSD 1983-11-xx [TUHS] 4602.9BSD-Seismo 1985-08-xx [SMS] 4612.10BSD 1987-04-xx [KKK] 4622.10.1BSD 1989-01-xx [SMS] 4632.11BSD 1992-02-xx [SMS] 4642.11BSD rev #430 1999-12-13 [SMS] 465 46632V 1978-1[01]-xx [QCU] 1979-03-26 [TUHS] 4673BSD late 1979 [QCU] March 1980 [TUHS] 468 virtual memory, page replacement, 469 demand paging 4704.0BSD 1980-10-xx 4714.1BSD 1981-07-08 [DOC] 4724.1aBSD 1982-04-xx 473 alpha release, 100 sites, networking [44B] 4744.1bBSD internal release, fast filesystem [44B] 4754.1cBSD late 1982 476 beta release, IPC [44B] 4774.2BSD 1983-09-xx [QCU] 478 1983-08-03 [DOC] 4794.3BSD 1986-06-xx [QCU] 480 1986-04-05 [KB], [DOC] 4814.3BSD Tahoe 1988-06-15 [QCU], [DOC] 4824.3BSD NET/1 1988-11-xx [QCU] 483 1989-01-01 [DOC] 4844.3BSD Reno 1990-06-29 [QCU], [DOC] 4854.3BSD NET/2 1991-06-28 [QCU], [DOC] 486 487BSD/386 ALPHA 1991-12-xx [BSDI] 488 first code released to people outside BSDI 489386BSD 0.0 1992-02-xx [DOC] 490BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 491BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 492386BSD 0.1 1992-07-28 [DOC] 4934.4BSD Alpha 1992-07-07 494BSD/386 0.9.3 1992-10-xx [BSDI] 495 first external gamma; G customers 496BSD/386 0.9.4 1992-12-xx [BSDI] 497 would have been 1.0 except for request 498 for preliminary injunction 499BSD/386 1.0 1993-03-xx [BSDI] 500 injunction denied; first official release 501NetBSD 0.8 1993-04-20 [NBD] 5024.4BSD 1993-06-01 [USE] 503NetBSD 0.9 1993-08-23 [NBD] 504FreeBSD 1.0 1993-11-01 [FBD] 505FreeBSD 1.0.2 1993-11-14 [FBD] 506 supersedes 1.0 13 days after release. 507BSD/386 1.1 1994-02-xx [BSDI] 5084.4BSD Lite 1994-03-01 [USE] 509FreeBSD 1.1 1994-05-07 [FBD] 510FreeBSD 1.1.5 1994-06-30 [FBD] 511FreeBSD 1.1.5.1 1994-07-05 [FBD] 512 supersedes 1.1.5 5 days after release. 513NetBSD 1.0 1994-10-26 [NBD] 514386BSD 1.0 1994-11-12 [USE] 515FreeBSD 2.0 1994-11-23 [FBD] 516BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 517FreeBSD 2.0.5 1995-06-10 [FBD] 518BSD/OS 2.0.1 1995-06-xx [BSDI] 5194.4BSD Lite Release 2 1995-06-xx [44B] 520 the true final distribution from the CSRG 521FreeBSD 2.1.0 1995-11-19 [FBD] 522NetBSD 1.1 1995-11-26 [NBD] 523BSD/OS 2.1 1996-01-xx [BSDI] 524FreeBSD 2.1.5 1996-07-14 [FBD] 525NetBSD 1.2 1996-10-04 [NBD] 526OpenBSD 2.0 1996-10-18 [OBD] 527FreeBSD 2.1.6 1996-11-16 [FBD] 528FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 529Rhapsody 1997-xx-xx 530FreeBSD 2.1.7 1997-02-20 [FBD] 531BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 532FreeBSD 2.2.0 1997-03-16 [FBD] 533FreeBSD 2.2.1 1997-03-25 [FBD] 534FreeBSD 2.2.2 1997-05-16 [FBD] 535NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 536OpenBSD 2.1 1997-06-01 [OBD] 537FreeBSD 2.2.5 1997-10-22 [FBD] 538OpenBSD 2.2 1997-12-01 [OBD] 539NetBSD 1.3 1998-01-04 [NBD] 540FreeBSD 2.2.6 1998-03-25 [FBD] 541NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 542BSD/OS 3.1 1998-03-xx [BSDI] 543OpenBSD 2.3 1998-05-19 [OBD] 544NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 545FreeBSD 2.2.7 1998-07-22 [FBD] 546BSD/OS 4.0 1998-08-xx [BSDI] 547 2-lock MP support, ELF executables 548FreeBSD 3.0 1998-10-16 [FBD] 549 FreeBSD-3.0 is a snapshot from -current, 550 while 3.1 and 3.2 are from 3.x-stable which 551 was branched quite some time after 3.0-release 552FreeBSD 2.2.8 1998-11-29 [FBD] 553OpenBSD 2.4 1998-12-01 [OBD] 554NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 555FreeBSD 3.1 1999-02-15 [FBD] 556BSD/OS 4.0.1 1999-03-xx [BSDI] 557NetBSD 1.4 1999-05-12 [NBD] 558FreeBSD 3.2 1999-05-17 [FBD] 559OpenBSD 2.5 1999-05-19 [OBD] 560NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 561FreeBSD 3.3 1999-09-17 [FBD] 562OpenBSD 2.6 1999-12-01 [OBD] 563FreeBSD 3.4 1999-12-20 [FBD] 564BSD/OS 4.1 1999-12-xx [BSDI] 565FreeBSD 4.0 2000-03-13 [FBD] 566NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 567OpenBSD 2.7 2000-06-15 [OBD] 568FreeBSD 3.5 2000-06-24 [FBD] 569FreeBSD 4.1 2000-07-27 [FBD] 570FreeBSD 3.5.1 2000-07-28 [FBD] 571FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 572FreeBSD 4.2 2000-11-21 [FBD] 573NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 574BSD/OS 4.2 2000-11-29 [BSDI] 575OpenBSD 2.8 2000-12-01 [OBD] 576NetBSD 1.5 2000-12-06 [NBD] 577Mac OS X 10.0 2001-03-24 [APL] 578FreeBSD 4.3 2001-04-20 [FBD] 579OpenBSD 2.9 2001-06-01 [OBD] 580NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 581NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 582FreeBSD 4.4 2001-09-18 [FBD] 583Mac OS X 10.1 2001-09-29 [APL] 584OpenBSD 3.0 2001-12-01 [OBD] 585FreeBSD 4.5 2002-01-29 [FBD] 586BSD/OS 4.3 2002-03-14 [WRS] 587OpenBSD 3.1 2002-05-19 [OBD] 588FreeBSD 4.6 2002-06-15 [FBD] 589NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 590FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 591Mac OS X 10.2 2002-08-23 [APL] 592NetBSD 1.6 2002-09-14 [NBD] 593FreeBSD 4.7 2002-10-08 [FBD] 594OpenBSD 3.2 2002-11-01 [OBD] 595FreeBSD 5.0 2003-01-17 [FBD] 596 FreeBSD 5.0 is a separate branch off of 597 -current, similar to 3.0. 598FreeBSD 4.8 2003-04-03 [FBD] 599NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 600OpenBSD 3.3 2003-05-01 [OBD] 601BSD/OS 5.0 2003-05-?? [WRS] 602FreeBSD 5.1 2003-06-09 [FBD] 603Mac OS X 10.3 2003-10-24 [APL] 604FreeBSD 4.9 2003-10-28 [FBD] 605BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 606OpenBSD 3.4 2003-11-01 [OBD] 607FreeBSD 5.2 2004-01-12 [FBD] 608FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 609NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 610OpenBSD 3.5 2004-04-01 [OBD] 611FreeBSD 4.10 2004-05-27 [FBD] 612DragonFly 1.0 2004-07-12 [DFB] 613OpenBSD 3.6 2004-10-29 [OBD] 614FreeBSD 5.3 2004-11-06 [FBD] 615NetBSD 2.0 2004-12-09 [NBD] 616FreeBSD 4.11 2005-01-25 [FBD] 617DragonFly 1.2.0 2005-04-08 [DFB] 618NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 619Mac OS X 10.4 2005-04-29 [APL] 620FreeBSD 5.4 2005-05-09 [FBD] 621OpenBSD 3.7 2005-05-19 [OBD] 622NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 623OpenBSD 3.8 2005-11-01 [OBD] 624FreeBSD 6.0 2005-11-01 [FBD] 625NetBSD 2.1 2005-11-02 [NBD] 626NetBSD 3.0 2005-12-23 [NBD] 627DragonFly 1.4.0 2006-01-08 [DFB] 628FreeBSD 2.2.9 2006-04-01 [FBD] 629OpenBSD 3.9 2006-05-01 [OBD] 630FreeBSD 6.1 2006-05-08 [FBD] 631FreeBSD 5.5 2006-05-25 [FBD] 632NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 633DragonFly 1.6.0 2006-07-24 [DFB] 634OpenBSD 4.0 2006-11-01 [OBD] 635NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 636NetBSD 3.1 2006-11-04 [NBD] 637FreeBSD 6.2 2007-01-15 [FBD] 638DragonFly 1.8.0 2007-01-30 [DFB] 639OpenBSD 4.1 2007-05-01 [OBD] 640DragonFly 1.10.0 2007-08-06 [DFB] 641Mac OS X 10.5 2007-10-26 [APL] 642OpenBSD 4.2 2007-11-01 [OBD] 643NetBSD 4.0 2007-12-19 [NBD] 644FreeBSD 6.3 2008-01-18 [FBD] 645DragonFly 1.12.0 2008-02-26 [DFB] 646FreeBSD 7.0 2008-02-27 [FBD] 647OpenBSD 4.3 2008-05-01 [OBD] 648DragonFly 2.0.0 2008-07-21 [DFB] 649OpenBSD 4.4 2008-11-01 [OBD] 650FreeBSD 6.4 2008-11-28 [FBD] 651FreeBSD 7.1 2009-01-04 [FBD] 652DragonFly 2.2.0 2009-02-17 [DFB] 653NetBSD 5.0 2009-04-29 [NBD] 654OpenBSD 4.5 2009-05-01 [OBD] 655FreeBSD 7.2 2009-05-04 [FBD] 656Mac OS X 10.6 2009-06-08 [APL] 657NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 658DragonFly 2.4.0 2009-09-16 [DFB] 659OpenBSD 4.6 2009-10-18 [OBD] 660FreeBSD 8.0 2009-11-26 [FBD] 661NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 662FreeBSD 7.3 2010-03-23 [FBD] 663DragonFly 2.6.0 2010-03-28 [DFB] 664OpenBSD 4.7 2010-05-19 [OBD] 665FreeBSD 8.1 2010-07-24 [FBD] 666DragonFly 2.8.2 2010-10-30 [DFB] 667OpenBSD 4.8 2010-11-01 [OBD] 668NetBSD 5.1 2010-11-19 [NBD] 669FreeBSD 7.4 2011-02-24 [FBD] 670FreeBSD 8.2 2011-02-24 [FBD] 671DragonFly 2.10.1 2011-04-26 [DFB] 672OpenBSD 4.9 2011-05-01 [OBD] 673Mac OS X 10.7 2011-07-20 [APL] 674OpenBSD 5.0 2011-11-01 [OBD] 675FreeBSD 9.0 2012-01-12 [FBD] 676NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 677DragonFly 3.0.1 2012-02-21 [DFB] 678FreeBSD 8.3 2012-04-18 [FBD] 679OpenBSD 5.1 2012-05-01 [OBD] 680Mac OS X 10.8 2012-07-25 [APL] 681NetBSD 6.0 2012-10-17 [NBD] 682OpenBSD 5.2 2012-11-01 [OBD] 683DragonFly 3.2.1 2012-11-02 [DFB] 684NetBSD 5.2 2012-12-03 [NBD] 685NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 686FreeBSD 9.1 2012-12-30 [FBD] 687DragonFly 3.4.1 2013-04-29 [DFB] 688OpenBSD 5.3 2013-05-01 [OBD] 689NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 690NetBSD 6.1 2013-05-18 [NBD] 691FreeBSD 8.4 2013-06-07 [FBD] 692NetBSD 6.1.1 2013-08-22 [NBD] 693NetBSD 5.1.3 2013-09-29 [NBD] 694NetBSD 5.2.1 2013-09-29 [NBD] 695FreeBSD 9.2 2013-09-30 [FBD] 696NetBSD 6.0.3 2013-09-30 [NBD] 697NetBSD 6.1.2 2013-09-30 [NBD] 698Mac OS X 10.9 2013-10-22 [APL] 699OpenBSD 5.4 2013-11-01 [OBD] 700DragonFly 3.6.0 2013-11-25 [DFB] 701FreeBSD 10.0 2014-01-20 [FBD] 702NetBSD 5.1.4 2014-01-25 [NBD] 703NetBSD 5.2.2 2014-01-25 [NBD] 704NetBSD 6.0.4 2014-01-25 [NBD] 705NetBSD 6.1.3 2014-01-25 [NBD] 706DragonFly 3.6.1 2014-02-22 [DFB] 707DragonFly 3.6.2 2014-04-10 [DFB] 708NetBSD 6.0.5 2014-04-12 [NBD] 709NetBSD 6.1.4 2014-04-12 [NBD] 710OpenBSD 5.5 2014-05-01 [OBD] 711DragonFly 3.8.0 2014-06-04 [DFB] 712DragonFly 3.8.1 2014-06-16 [DFB] 713DragonFly 3.6.3 2014-06-17 [DFB] 714FreeBSD 9.3 2014-07-05 [FBD] 715DragonFly 3.8.2 2014-08-08 [DFB] 716NetBSD 6.0.6 2014-09-22 [NBD] 717NetBSD 6.1.5 2014-09-22 [NBD] 718Mac OS X 10.10 2014-10-16 [APL] 719OpenBSD 5.6 2014-11-01 [OBD] 720FreeBSD 10.1 2014-11-14 [FBD] 721DragonFly 4.0.1 2014-11-25 [DFB] 722DragonFly 4.0.2 2015-01-07 [DFB] 723DragonFly 4.0.3 2015-01-21 [DFB] 724DragonFly 4.0.4 2015-03-09 [DFB] 725DragonFly 4.0.5 2015-03-23 [DFB] 726OpenBSD 5.7 2015-05-01 [OBD] 727DragonFly 4.2.0 2015-06-29 [DFB] 728FreeBSD 10.2 2015-08-13 [FBD] 729NetBSD 7.0 2015-09-25 [NBD] 730OS X 10.11 2015-09-30 [APL] 731OpenBSD 5.8 2015-10-18 [OBD] 732DragonFly 4.4.1 2015-12-07 [DFB] 733OpenBSD 5.9 2016-03-29 [OBD] 734FreeBSD 10.3 2016-04-04 [FBD] 735NetBSD 7.0.1 2016-05-22 [NBD] 736DragonFly 4.6.0 2016-08-02 [DFB] 737OpenBSD 6.0 2016-09-01 [OBD] 738macOS 10.12 2016-09-20 [APL] 739FreeBSD 11.0 2016-10-10 [FBD] 740NetBSD 7.0.2 2016-10-21 [NBD] 741NetBSD 7.1 2017-03-11 [NBD] 742DragonFly 4.8.0 2017-03-27 [DFB] 743OpenBSD 6.1 2017-04-11 [OBD] 744FreeBSD 11.1 2017-07-26 [FBD] 745macOS 10.13 2017-09-25 [APL] 746FreeBSD 10.4 2017-10-03 [FBD] 747OpenBSD 6.2 2017-10-09 [OBD] 748DragonFly 5.0.0 2017-10-16 [DFB] 749DragonFly 5.0.1 2017-11-06 [DFB] 750DragonFly 5.0.2 2017-12-04 [DFB] 751NetBSD 7.1.1 2017-12-22 [NBD] 752NetBSD 7.1.2 2018-03-15 [NBD] 753OpenBSD 6.3 2018-04-02 [OBD] 754DragonFly 5.2.0 2018-04-10 [DFB] 755DragonFly 5.2.1 2018-05-20 [DFB] 756DragonFly 5.2.2 2018-06-18 [DFB] 757FreeBSD 11.2 2018-06-27 [FBD] 758NetBSD 8.0 2018-07-17 [NBD] 759NetBSD 7.2 2018-08-29 [NBD] 760macOS 10.14 2018-09-24 [APL] 761OpenBSD 6.4 2018-10-18 [OBD] 762DragonFly 5.4.0 2018-12-03 [DFB] 763FreeBSD 12.0 2018-12-11 [FBD] 764DragonFly 5.4.1 2018-12-24 [DFB] 765OpenBSD 6.5 2019-05-01 [OBD] 766 767Bibliography 768------------------------ 769 770Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 771Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 772System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 773 774Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 775Company, Inc., 1994. ISBN 0-201-54777-5 776 777McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 778Quarterman. The Design and Implementation of the 4.4BSD Operating 779System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 780 781McKusick, Marshall Kirk, George Neville-Neil. The Design and 782Implementation of the FreeBSD Operating System. 783Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 784 785McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The 786Design and Implementation of the FreeBSD Operating System, 2nd Edition. 787Pearson Education, Inc., 2014. ISBN 0-321-96897-2 788 789Doug McIlroy. Research Unix Reader. 790 791Michael G. Brown. The Role of BSD in the Development of Unix. 792Presented to the Tasmanian Unix Special Interest Group of the 793Australian Computer Society, Hobart, August 1993. 794 795Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 796URL: http://www.byte.com/art/9410/sec8/art3.htm 797 798Andreas Klemm, Lars Köller. If you're going to San Francisco ... 799Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 800 801BSD Release Announcements collection. 802URL: https://www.FreeBSD.org/releases/ 803 804BSD Hypertext Man Pages 805URL: https://www.FreeBSD.org/cgi/man.cgi 806 807UNIX history graphing project 808URL: http://minnie.tuhs.org/Unix_History/index.html 809 810UNIX history 811URL: http://www.levenez.com/unix/ 812 813James Howard: The BSD Family Tree 814URL: http://ezine.daemonnews.org/200104/bsd_family.html 815("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 816 817 818Acknowledgments 819--------------- 820 821Josh Gilliam for suggestions, bug fixes, and finding very old 822original BSD announcements from Usenet or tapes. 823 824Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 825 826-- 827Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 828URL: https://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 829 830$FreeBSD: head/share/misc/bsd-family-tree 347886 2019-05-16 18:54:20Z roberto $ 831