bsd-family-tree revision 1.73
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 | | NetBSD | | 384 | | 8.1 | DragonFly 5.6 385 | | | | | 386FreeBSD 13 -current | NetBSD -current OpenBSD -current DragonFly -current 387 | | | | | 388 v v v v v 389 390Time 391---------------- 392 393Time tolerance +/- 6 months, depending on which book/article you read; if it 394was the announcement in Usenet or if it was available as tape. 395 396[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 397 and John Quarterman. The Design and Implementation of 398 the 4.4BSD Operating System. 399[APL] Apple website [https://www.apple.com/macosx/] 400[BSDI] Berkeley Software Design, Inc. 401[DFB] DragonFlyBSD Project, The. 402[DOC] README, COPYRIGHT on tape. 403[FBD] FreeBSD Project, The. 404[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 405 Volume 11, Info 4, April, 1987. 406[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 407 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 408[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 409 Changes in the Kernel in 2.9BSD. Second Berkeley Software 410 Distribution UNIX Version 2.9, July, 1983. 411[NBD] NetBSD Project, The. 412[OBD] OpenBSD Project, The. 413[QCU] Salus, Peter H. A quarter century of UNIX. 414[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 415[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 416[USE] Usenet announcement. 417[WRS] Wind River Systems, Inc. 418[dmr] Dennis Ritchie, via E-Mail 419 420Multics 1965 421UNIX Summer 1969 422 DEC PDP-7 423First Edition 1971-11-03 [QCU] 424 DEC PDP-11/20, Assembler 425Second Edition 1972-06-12 [QCU] 426 10 UNIX installations 427Third Edition 1973-02-xx [QCU] 428 Pipes, 16 installations 429Fourth Edition 1973-11-xx [QCU] 430 rewriting in C effected, 431 above 30 installations 432Fifth Edition 1974-06-xx [QCU] 433 above 50 installations 434Sixth Edition 1975-05-xx [QCU] 435 port to DEC Vax 436Seventh Edition 1979-01-xx [QCU] 1979-01-10 [TUHS] 437 first portable UNIX 438Eighth Edition 1985-02-xx [QCU] 439 VAX 11/750, VAX 11/780 [dmr] 440 descended from 4.1c BSD [dmr] 441 descended from 4.1 BSD [44B] 442 scooping-out and replacement of the character-device 443 and networking part by the streams mechanism 444 445Ninth Edition 1986-09-xx [QCU] 446Tenth Edition 1989-10-xx [QCU] 447 4481BSD late 1977 449 1978-03-09 [QCU] 450 PDP-11, Pascal, ex(1) 451 30 free copies of 1BSD sent out 452 35 tapes sold for 50 USD [QCU] 4532BSD mid 1978 [QCU] 1979-05-10 [TUHS] 454 75 2BSD tapes shipped 4552.79BSD 1980-04-xx [TUHS] 4562.8BSD 1981-07-xx [KSJ] 457 4582.8.1BSD 1982-01-xx [QCU] 459 set of performance improvements 4602.9BSD 1983-07-xx [KSJ] 4612.9.1BSD 1983-11-xx [TUHS] 4622.9BSD-Seismo 1985-08-xx [SMS] 4632.10BSD 1987-04-xx [KKK] 4642.10.1BSD 1989-01-xx [SMS] 4652.11BSD 1992-02-xx [SMS] 4662.11BSD rev #430 1999-12-13 [SMS] 467 46832V 1978-1[01]-xx [QCU] 1979-03-26 [TUHS] 4693BSD late 1979 [QCU] March 1980 [TUHS] 470 virtual memory, page replacement, 471 demand paging 4724.0BSD 1980-10-xx 4734.1BSD 1981-07-08 [DOC] 4744.1aBSD 1982-04-xx 475 alpha release, 100 sites, networking [44B] 4764.1bBSD internal release, fast filesystem [44B] 4774.1cBSD late 1982 478 beta release, IPC [44B] 4794.2BSD 1983-09-xx [QCU] 480 1983-08-03 [DOC] 4814.3BSD 1986-06-xx [QCU] 482 1986-04-05 [KB], [DOC] 4834.3BSD Tahoe 1988-06-15 [QCU], [DOC] 4844.3BSD NET/1 1988-11-xx [QCU] 485 1989-01-01 [DOC] 4864.3BSD Reno 1990-06-29 [QCU], [DOC] 4874.3BSD NET/2 1991-06-28 [QCU], [DOC] 488 489BSD/386 ALPHA 1991-12-xx [BSDI] 490 first code released to people outside BSDI 491386BSD 0.0 1992-02-xx [DOC] 492BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 493BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 494386BSD 0.1 1992-07-28 [DOC] 4954.4BSD Alpha 1992-07-07 496BSD/386 0.9.3 1992-10-xx [BSDI] 497 first external gamma; G customers 498BSD/386 0.9.4 1992-12-xx [BSDI] 499 would have been 1.0 except for request 500 for preliminary injunction 501BSD/386 1.0 1993-03-xx [BSDI] 502 injunction denied; first official release 503NetBSD 0.8 1993-04-20 [NBD] 5044.4BSD 1993-06-01 [USE] 505NetBSD 0.9 1993-08-23 [NBD] 506FreeBSD 1.0 1993-11-01 [FBD] 507FreeBSD 1.0.2 1993-11-14 [FBD] 508 supersedes 1.0 13 days after release. 509BSD/386 1.1 1994-02-xx [BSDI] 5104.4BSD Lite 1994-03-01 [USE] 511FreeBSD 1.1 1994-05-07 [FBD] 512FreeBSD 1.1.5 1994-06-30 [FBD] 513FreeBSD 1.1.5.1 1994-07-05 [FBD] 514 supersedes 1.1.5 5 days after release. 515NetBSD 1.0 1994-10-26 [NBD] 516386BSD 1.0 1994-11-12 [USE] 517FreeBSD 2.0 1994-11-23 [FBD] 518BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 519FreeBSD 2.0.5 1995-06-10 [FBD] 520BSD/OS 2.0.1 1995-06-xx [BSDI] 5214.4BSD Lite Release 2 1995-06-xx [44B] 522 the true final distribution from the CSRG 523FreeBSD 2.1.0 1995-11-19 [FBD] 524NetBSD 1.1 1995-11-26 [NBD] 525BSD/OS 2.1 1996-01-xx [BSDI] 526FreeBSD 2.1.5 1996-07-14 [FBD] 527NetBSD 1.2 1996-10-04 [NBD] 528OpenBSD 2.0 1996-10-18 [OBD] 529FreeBSD 2.1.6 1996-11-16 [FBD] 530FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 531Rhapsody 1997-xx-xx 532FreeBSD 2.1.7 1997-02-20 [FBD] 533BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 534FreeBSD 2.2.0 1997-03-16 [FBD] 535FreeBSD 2.2.1 1997-03-25 [FBD] 536FreeBSD 2.2.2 1997-05-16 [FBD] 537NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 538OpenBSD 2.1 1997-06-01 [OBD] 539FreeBSD 2.2.5 1997-10-22 [FBD] 540OpenBSD 2.2 1997-12-01 [OBD] 541NetBSD 1.3 1998-01-04 [NBD] 542FreeBSD 2.2.6 1998-03-25 [FBD] 543NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 544BSD/OS 3.1 1998-03-xx [BSDI] 545OpenBSD 2.3 1998-05-19 [OBD] 546NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 547FreeBSD 2.2.7 1998-07-22 [FBD] 548BSD/OS 4.0 1998-08-xx [BSDI] 549 2-lock MP support, ELF executables 550FreeBSD 3.0 1998-10-16 [FBD] 551 FreeBSD-3.0 is a snapshot from -current, 552 while 3.1 and 3.2 are from 3.x-stable which 553 was branched quite some time after 3.0-release 554FreeBSD 2.2.8 1998-11-29 [FBD] 555OpenBSD 2.4 1998-12-01 [OBD] 556NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 557FreeBSD 3.1 1999-02-15 [FBD] 558BSD/OS 4.0.1 1999-03-xx [BSDI] 559NetBSD 1.4 1999-05-12 [NBD] 560FreeBSD 3.2 1999-05-17 [FBD] 561OpenBSD 2.5 1999-05-19 [OBD] 562NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 563FreeBSD 3.3 1999-09-17 [FBD] 564OpenBSD 2.6 1999-12-01 [OBD] 565FreeBSD 3.4 1999-12-20 [FBD] 566BSD/OS 4.1 1999-12-xx [BSDI] 567FreeBSD 4.0 2000-03-13 [FBD] 568NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 569OpenBSD 2.7 2000-06-15 [OBD] 570FreeBSD 3.5 2000-06-24 [FBD] 571FreeBSD 4.1 2000-07-27 [FBD] 572FreeBSD 3.5.1 2000-07-28 [FBD] 573FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 574FreeBSD 4.2 2000-11-21 [FBD] 575NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 576BSD/OS 4.2 2000-11-29 [BSDI] 577OpenBSD 2.8 2000-12-01 [OBD] 578NetBSD 1.5 2000-12-06 [NBD] 579Mac OS X 10.0 2001-03-24 [APL] 580FreeBSD 4.3 2001-04-20 [FBD] 581OpenBSD 2.9 2001-06-01 [OBD] 582NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 583NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 584FreeBSD 4.4 2001-09-18 [FBD] 585Mac OS X 10.1 2001-09-29 [APL] 586OpenBSD 3.0 2001-12-01 [OBD] 587FreeBSD 4.5 2002-01-29 [FBD] 588BSD/OS 4.3 2002-03-14 [WRS] 589OpenBSD 3.1 2002-05-19 [OBD] 590FreeBSD 4.6 2002-06-15 [FBD] 591NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 592FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 593Mac OS X 10.2 2002-08-23 [APL] 594NetBSD 1.6 2002-09-14 [NBD] 595FreeBSD 4.7 2002-10-08 [FBD] 596OpenBSD 3.2 2002-11-01 [OBD] 597FreeBSD 5.0 2003-01-17 [FBD] 598 FreeBSD 5.0 is a separate branch off of 599 -current, similar to 3.0. 600FreeBSD 4.8 2003-04-03 [FBD] 601NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 602OpenBSD 3.3 2003-05-01 [OBD] 603BSD/OS 5.0 2003-05-?? [WRS] 604FreeBSD 5.1 2003-06-09 [FBD] 605Mac OS X 10.3 2003-10-24 [APL] 606FreeBSD 4.9 2003-10-28 [FBD] 607BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 608OpenBSD 3.4 2003-11-01 [OBD] 609FreeBSD 5.2 2004-01-12 [FBD] 610FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 611NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 612OpenBSD 3.5 2004-04-01 [OBD] 613FreeBSD 4.10 2004-05-27 [FBD] 614DragonFly 1.0 2004-07-12 [DFB] 615OpenBSD 3.6 2004-10-29 [OBD] 616FreeBSD 5.3 2004-11-06 [FBD] 617NetBSD 2.0 2004-12-09 [NBD] 618FreeBSD 4.11 2005-01-25 [FBD] 619DragonFly 1.2.0 2005-04-08 [DFB] 620NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 621Mac OS X 10.4 2005-04-29 [APL] 622FreeBSD 5.4 2005-05-09 [FBD] 623OpenBSD 3.7 2005-05-19 [OBD] 624NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 625OpenBSD 3.8 2005-11-01 [OBD] 626FreeBSD 6.0 2005-11-01 [FBD] 627NetBSD 2.1 2005-11-02 [NBD] 628NetBSD 3.0 2005-12-23 [NBD] 629DragonFly 1.4.0 2006-01-08 [DFB] 630FreeBSD 2.2.9 2006-04-01 [FBD] 631OpenBSD 3.9 2006-05-01 [OBD] 632FreeBSD 6.1 2006-05-08 [FBD] 633FreeBSD 5.5 2006-05-25 [FBD] 634NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 635DragonFly 1.6.0 2006-07-24 [DFB] 636OpenBSD 4.0 2006-11-01 [OBD] 637NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 638NetBSD 3.1 2006-11-04 [NBD] 639FreeBSD 6.2 2007-01-15 [FBD] 640DragonFly 1.8.0 2007-01-30 [DFB] 641OpenBSD 4.1 2007-05-01 [OBD] 642DragonFly 1.10.0 2007-08-06 [DFB] 643Mac OS X 10.5 2007-10-26 [APL] 644OpenBSD 4.2 2007-11-01 [OBD] 645NetBSD 4.0 2007-12-19 [NBD] 646FreeBSD 6.3 2008-01-18 [FBD] 647DragonFly 1.12.0 2008-02-26 [DFB] 648FreeBSD 7.0 2008-02-27 [FBD] 649OpenBSD 4.3 2008-05-01 [OBD] 650DragonFly 2.0.0 2008-07-21 [DFB] 651OpenBSD 4.4 2008-11-01 [OBD] 652FreeBSD 6.4 2008-11-28 [FBD] 653FreeBSD 7.1 2009-01-04 [FBD] 654DragonFly 2.2.0 2009-02-17 [DFB] 655NetBSD 5.0 2009-04-29 [NBD] 656OpenBSD 4.5 2009-05-01 [OBD] 657FreeBSD 7.2 2009-05-04 [FBD] 658Mac OS X 10.6 2009-06-08 [APL] 659NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 660DragonFly 2.4.0 2009-09-16 [DFB] 661OpenBSD 4.6 2009-10-18 [OBD] 662FreeBSD 8.0 2009-11-26 [FBD] 663NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 664FreeBSD 7.3 2010-03-23 [FBD] 665DragonFly 2.6.0 2010-03-28 [DFB] 666OpenBSD 4.7 2010-05-19 [OBD] 667FreeBSD 8.1 2010-07-24 [FBD] 668DragonFly 2.8.2 2010-10-30 [DFB] 669OpenBSD 4.8 2010-11-01 [OBD] 670NetBSD 5.1 2010-11-19 [NBD] 671FreeBSD 7.4 2011-02-24 [FBD] 672FreeBSD 8.2 2011-02-24 [FBD] 673DragonFly 2.10.1 2011-04-26 [DFB] 674OpenBSD 4.9 2011-05-01 [OBD] 675Mac OS X 10.7 2011-07-20 [APL] 676OpenBSD 5.0 2011-11-01 [OBD] 677FreeBSD 9.0 2012-01-12 [FBD] 678NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 679DragonFly 3.0.1 2012-02-21 [DFB] 680FreeBSD 8.3 2012-04-18 [FBD] 681OpenBSD 5.1 2012-05-01 [OBD] 682Mac OS X 10.8 2012-07-25 [APL] 683NetBSD 6.0 2012-10-17 [NBD] 684OpenBSD 5.2 2012-11-01 [OBD] 685DragonFly 3.2.1 2012-11-02 [DFB] 686NetBSD 5.2 2012-12-03 [NBD] 687NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 688FreeBSD 9.1 2012-12-30 [FBD] 689DragonFly 3.4.1 2013-04-29 [DFB] 690OpenBSD 5.3 2013-05-01 [OBD] 691NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 692NetBSD 6.1 2013-05-18 [NBD] 693FreeBSD 8.4 2013-06-07 [FBD] 694NetBSD 6.1.1 2013-08-22 [NBD] 695NetBSD 5.1.3 2013-09-29 [NBD] 696NetBSD 5.2.1 2013-09-29 [NBD] 697FreeBSD 9.2 2013-09-30 [FBD] 698NetBSD 6.0.3 2013-09-30 [NBD] 699NetBSD 6.1.2 2013-09-30 [NBD] 700Mac OS X 10.9 2013-10-22 [APL] 701OpenBSD 5.4 2013-11-01 [OBD] 702DragonFly 3.6.0 2013-11-25 [DFB] 703FreeBSD 10.0 2014-01-20 [FBD] 704NetBSD 5.1.4 2014-01-25 [NBD] 705NetBSD 5.2.2 2014-01-25 [NBD] 706NetBSD 6.0.4 2014-01-25 [NBD] 707NetBSD 6.1.3 2014-01-25 [NBD] 708DragonFly 3.6.1 2014-02-22 [DFB] 709DragonFly 3.6.2 2014-04-10 [DFB] 710NetBSD 6.0.5 2014-04-12 [NBD] 711NetBSD 6.1.4 2014-04-12 [NBD] 712OpenBSD 5.5 2014-05-01 [OBD] 713DragonFly 3.8.0 2014-06-04 [DFB] 714DragonFly 3.8.1 2014-06-16 [DFB] 715DragonFly 3.6.3 2014-06-17 [DFB] 716FreeBSD 9.3 2014-07-05 [FBD] 717DragonFly 3.8.2 2014-08-08 [DFB] 718NetBSD 6.0.6 2014-09-22 [NBD] 719NetBSD 6.1.5 2014-09-22 [NBD] 720Mac OS X 10.10 2014-10-16 [APL] 721OpenBSD 5.6 2014-11-01 [OBD] 722FreeBSD 10.1 2014-11-14 [FBD] 723DragonFly 4.0.1 2014-11-25 [DFB] 724DragonFly 4.0.2 2015-01-07 [DFB] 725DragonFly 4.0.3 2015-01-21 [DFB] 726DragonFly 4.0.4 2015-03-09 [DFB] 727DragonFly 4.0.5 2015-03-23 [DFB] 728OpenBSD 5.7 2015-05-01 [OBD] 729DragonFly 4.2.0 2015-06-29 [DFB] 730FreeBSD 10.2 2015-08-13 [FBD] 731NetBSD 7.0 2015-09-25 [NBD] 732OS X 10.11 2015-09-30 [APL] 733OpenBSD 5.8 2015-10-18 [OBD] 734DragonFly 4.4.1 2015-12-07 [DFB] 735OpenBSD 5.9 2016-03-29 [OBD] 736FreeBSD 10.3 2016-04-04 [FBD] 737NetBSD 7.0.1 2016-05-22 [NBD] 738DragonFly 4.6.0 2016-08-02 [DFB] 739OpenBSD 6.0 2016-09-01 [OBD] 740macOS 10.12 2016-09-20 [APL] 741FreeBSD 11.0 2016-10-10 [FBD] 742NetBSD 7.0.2 2016-10-21 [NBD] 743NetBSD 7.1 2017-03-11 [NBD] 744DragonFly 4.8.0 2017-03-27 [DFB] 745OpenBSD 6.1 2017-04-11 [OBD] 746FreeBSD 11.1 2017-07-26 [FBD] 747macOS 10.13 2017-09-25 [APL] 748FreeBSD 10.4 2017-10-03 [FBD] 749OpenBSD 6.2 2017-10-09 [OBD] 750DragonFly 5.0.0 2017-10-16 [DFB] 751DragonFly 5.0.1 2017-11-06 [DFB] 752DragonFly 5.0.2 2017-12-04 [DFB] 753NetBSD 7.1.1 2017-12-22 [NBD] 754NetBSD 7.1.2 2018-03-15 [NBD] 755OpenBSD 6.3 2018-04-02 [OBD] 756DragonFly 5.2.0 2018-04-10 [DFB] 757DragonFly 5.2.1 2018-05-20 [DFB] 758DragonFly 5.2.2 2018-06-18 [DFB] 759FreeBSD 11.2 2018-06-27 [FBD] 760NetBSD 8.0 2018-07-17 [NBD] 761NetBSD 7.2 2018-08-29 [NBD] 762macOS 10.14 2018-09-24 [APL] 763OpenBSD 6.4 2018-10-18 [OBD] 764DragonFly 5.4.0 2018-12-03 [DFB] 765FreeBSD 12.0 2018-12-11 [FBD] 766DragonFly 5.4.1 2018-12-24 [DFB] 767OpenBSD 6.5 2019-05-01 [OBD] 768NetBSD 8.1 2019-06-04 [NBD] 769DragonFly 5.6 2019-06-17 [DFB] 770 771Bibliography 772------------------------ 773 774Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 775Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 776System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 777 778Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 779Company, Inc., 1994. ISBN 0-201-54777-5 780 781McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 782Quarterman. The Design and Implementation of the 4.4BSD Operating 783System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 784 785McKusick, Marshall Kirk, George Neville-Neil. The Design and 786Implementation of the FreeBSD Operating System. 787Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 788 789McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The 790Design and Implementation of the FreeBSD Operating System, 2nd Edition. 791Pearson Education, Inc., 2014. ISBN 0-321-96897-2 792 793Doug McIlroy. Research Unix Reader. 794 795Michael G. Brown. The Role of BSD in the Development of Unix. 796Presented to the Tasmanian Unix Special Interest Group of the 797Australian Computer Society, Hobart, August 1993. 798 799Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 800URL: http://www.byte.com/art/9410/sec8/art3.htm 801 802Andreas Klemm, Lars Köller. If you're going to San Francisco ... 803Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 804 805BSD Release Announcements collection. 806URL: https://www.FreeBSD.org/releases/ 807 808BSD Hypertext Man Pages 809URL: https://www.FreeBSD.org/cgi/man.cgi 810 811UNIX history graphing project 812URL: http://minnie.tuhs.org/Unix_History/index.html 813 814UNIX history 815URL: http://www.levenez.com/unix/ 816 817James Howard: The BSD Family Tree 818URL: http://ezine.daemonnews.org/200104/bsd_family.html 819("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 820 821 822Acknowledgments 823--------------- 824 825Josh Gilliam for suggestions, bug fixes, and finding very old 826original BSD announcements from Usenet or tapes. 827 828Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 829 830-- 831Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 832URL: https://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 833 834$FreeBSD: head/share/misc/bsd-family-tree 349157 2019-06-17 21:46:13Z sevan $ 835$NetBSD: bsd-family-tree,v 1.73 2019/06/17 21:51:56 sevan Exp $ 836