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 6.1 | | 295 | | FreeBSD | | | | | 296 | | 8.4 | | NetBSD 6.1.1 | | 297 | | | | | | | 298 | FreeBSD | | NetBSD 6.1.2 | | 299 | 9.2 Mac OS X | | | | 300 | | 10.9 | | OpenBSD 5.4 | 301 | `-----. | | | | DragonFly 3.6.0 302 | \ | | | | | 303 *--FreeBSD | | | NetBSD 6.1.3 | | 304 | 10.0 | | | | | | 305 | | | | | | | DragonFly 3.6.1 306 | | | | | | | | 307 | | | | | | | | 308 | | | | | | | DragonFly 3.6.2 309 | | | | | NetBSD 6.1.4 | | 310 | | | | | | | | 311 | | | | | | OpenBSD 5.5 | 312 | | | | | | | | 313 | | | | | | | DragonFly 3.8.0 314 | | | | | | | | 315 | | | | | | | | 316 | | | | | | | DragonFly 3.8.1 317 | | | | | | | | 318 | | | | | | | | 319 | | | | | | | DragonFly 3.6.3 320 | | | | | | | | 321 | | FreeBSD | | | | | 322 | | 9.3 | | | | | 323 | | | | NetBSD 6.1.5 | DragonFly 3.8.2 324 | | Mac OS X | | | 325 | | 10.10 | | | 326 | | | | OpenBSD 5.6 | 327 | FreeBSD | | | | 328 | 10.1 | | | DragonFly 4.0.1 329 | | | | | | 330 | | | | | DragonFly 4.0.2 331 | | | | | | 332 | | | | | DragonFly 4.0.3 333 | | | | | | 334 | | | | | DragonFly 4.0.4 335 | | | | | | 336 | | | | | DragonFly 4.0.5 337 | | | | | | 338 | | | | OpenBSD 5.7 | 339 | | | | | DragonFly 4.2.0 340 | FreeBSD | | | | 341 | 10.2 | | | | 342 | | macOS NetBSD 7.0 | | 343 | | 10.11 | OpenBSD 5.8 | 344 | | | | | DragonFly 4.4.1 345 | FreeBSD | | OpenBSD 5.9 | 346 | 10.3 | | | | 347 | | | NetBSD 7.0.1 | | 348 | `------. | | | DragonFly 4.6.0 349 | | | | | | 350 | | | | | | 351 *--FreeBSD | macOS | OpenBSD 6.0 | 352 | 11.0 | 10.12 | | | 353 | | | | NetBSD 7.1 | | 354 | | | macOS | | DragonFly 4.8.0 355 | | | 10.13 | OpenBSD 6.1 | 356 | FreeBSD | | | | | 357 | 11.1 FreeBSD | | | | 358 | | 10.4 | | OpenBSD 6.2 | 359 | v | | | DragonFly 5.0.0 360 | | | | | 361FreeBSD 12 -current | NetBSD -current OpenBSD -current DragonFly -current 362 | | | | | 363 v v v v v 364 365Time 366---------------- 367 368Time tolerance +/- 6 months, depending on which book/article you read; if it 369was the announcement in Usenet or if it was available as tape. 370 371[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 372 and John Quarterman. The Design and Implementation of 373 the 4.4BSD Operating System. 374[APL] Apple website [https://www.apple.com/macosx/] 375[BSDI] Berkeley Software Design, Inc. 376[DFB] DragonFlyBSD Project, The. 377[DOC] README, COPYRIGHT on tape. 378[FBD] FreeBSD Project, The. 379[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 380 Volume 11, Info 4, April, 1987. 381[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 382 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 383[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 384 Changes in the Kernel in 2.9BSD. Second Berkeley Software 385 Distribution UNIX Version 2.9, July, 1983. 386[NBD] NetBSD Project, The. 387[OBD] OpenBSD Project, The. 388[QCU] Salus, Peter H. A quarter century of UNIX. 389[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 390[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 391[USE] Usenet announcement. 392[WRS] Wind River Systems, Inc. 393[dmr] Dennis Ritchie, via E-Mail 394 395Multics 1965 396UNIX Summer 1969 397 DEC PDP-7 398First Edition 1971-11-03 [QCU] 399 DEC PDP-11/20, Assembler 400Second Edition 1972-06-12 [QCU] 401 10 UNIX installations 402Third Edition 1973-02-xx [QCU] 403 Pipes, 16 installations 404Fourth Edition 1973-11-xx [QCU] 405 rewriting in C effected, 406 above 30 installations 407Fifth Edition 1974-06-xx [QCU] 408 above 50 installations 409Sixth Edition 1975-05-xx [QCU] 410 port to DEC Vax 411Seventh Edition 1979-01-xx [QCU] 412 first portable UNIX 413Eighth Edition 1985-02-xx [QCU] 414 VAX 11/750, VAX 11/780 [dmr] 415 descended from 4.1c BSD [dmr] 416 descended from 4.1 BSD [44B] 417 scooping-out and replacement of the character-device 418 and networking part by the streams mechanism 419 420Ninth Edition 1986-09-xx [QCU] 421Tenth Edition 1989-10-xx [QCU] 422 4231BSD late 1977 424 1978-03-09 [QCU] 425 PDP-11, Pascal, ex(1) 426 30 free copies of 1BSD sent out 427 35 tapes sold for 50 USD [QCU] 4282BSD mid 1978 [QCU] 1979-05-10 [TUHS] 429 75 2BSD tapes shipped 4302.79BSD 1980-04-xx [TUHS] 4312.8BSD 1981-07-xx [KSJ] 432 4332.8.1BSD 1982-01-xx [QCU] 434 set of performance improvements 4352.9BSD 1983-07-xx [KSJ] 4362.9.1BSD 1983-11-xx [TUHS] 4372.9BSD-Seismo 1985-08-xx [SMS] 4382.10BSD 1987-04-xx [KKK] 4392.10.1BSD 1989-01-xx [SMS] 4402.11BSD 1992-02-xx [SMS] 4412.11BSD rev #430 1999-12-13 [SMS] 442 44332V 1978-1[01]-xx [QCU] 4443BSD late 1979 [QCU] March 1980 [TUHS] 445 virtual memory, page replacement, 446 demand paging 4474.0BSD 1980-10-xx 4484.1BSD 1981-07-08 [DOC] 4494.1aBSD 1982-04-xx 450 alpha release, 100 sites, networking [44B] 4514.1bBSD internal release, fast filesystem [44B] 4524.1cBSD late 1982 453 beta release, IPC [44B] 4544.2BSD 1983-09-xx [QCU] 455 1983-08-03 [DOC] 4564.3BSD 1986-06-xx [QCU] 457 1986-04-05 [KB], [DOC] 4584.3BSD Tahoe 1988-06-15 [QCU], [DOC] 4594.3BSD NET/1 1988-11-xx [QCU] 460 1989-01-01 [DOC] 4614.3BSD Reno 1990-06-29 [QCU], [DOC] 4624.3BSD NET/2 1991-06-28 [QCU], [DOC] 463 464BSD/386 ALPHA 1991-12-xx [BSDI] 465 first code released to people outside BSDI 466386BSD 0.0 1992-02-xx [DOC] 467BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 468BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 469386BSD 0.1 1992-07-28 [DOC] 4704.4BSD Alpha 1992-07-07 471BSD/386 0.9.3 1992-10-xx [BSDI] 472 first external gamma; G customers 473BSD/386 0.9.4 1992-12-xx [BSDI] 474 would have been 1.0 except for request 475 for preliminary injunction 476BSD/386 1.0 1993-03-xx [BSDI] 477 injunction denied; first official release 478NetBSD 0.8 1993-04-20 [NBD] 4794.4BSD 1993-06-01 [USE] 480NetBSD 0.9 1993-08-23 [NBD] 481FreeBSD 1.0 1993-11-01 [FBD] 482FreeBSD 1.0.2 1993-11-14 [FBD] 483 supersedes 1.0 13 days after release. 484BSD/386 1.1 1994-02-xx [BSDI] 4854.4BSD Lite 1994-03-01 [USE] 486FreeBSD 1.1 1994-05-07 [FBD] 487FreeBSD 1.1.5 1994-06-30 [FBD] 488FreeBSD 1.1.5.1 1994-07-05 [FBD] 489 supersedes 1.1.5 5 days after release. 490NetBSD 1.0 1994-10-26 [NBD] 491386BSD 1.0 1994-11-12 [USE] 492FreeBSD 2.0 1994-11-23 [FBD] 493BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 494FreeBSD 2.0.5 1995-06-10 [FBD] 495BSD/OS 2.0.1 1995-06-xx [BSDI] 4964.4BSD Lite Release 2 1995-06-xx [44B] 497 the true final distribution from the CSRG 498FreeBSD 2.1.0 1995-11-19 [FBD] 499NetBSD 1.1 1995-11-26 [NBD] 500BSD/OS 2.1 1996-01-xx [BSDI] 501FreeBSD 2.1.5 1996-07-14 [FBD] 502NetBSD 1.2 1996-10-04 [NBD] 503OpenBSD 2.0 1996-10-18 [OBD] 504FreeBSD 2.1.6 1996-11-16 [FBD] 505FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 506Rhapsody 1997-xx-xx 507FreeBSD 2.1.7 1997-02-20 [FBD] 508BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 509FreeBSD 2.2.0 1997-03-16 [FBD] 510FreeBSD 2.2.1 1997-03-25 [FBD] 511FreeBSD 2.2.2 1997-05-16 [FBD] 512NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 513OpenBSD 2.1 1997-06-01 [OBD] 514FreeBSD 2.2.5 1997-10-22 [FBD] 515OpenBSD 2.2 1997-12-01 [OBD] 516NetBSD 1.3 1998-01-04 [NBD] 517FreeBSD 2.2.6 1998-03-25 [FBD] 518NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 519BSD/OS 3.1 1998-03-xx [BSDI] 520OpenBSD 2.3 1998-05-19 [OBD] 521NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 522FreeBSD 2.2.7 1998-07-22 [FBD] 523BSD/OS 4.0 1998-08-xx [BSDI] 524 2-lock MP support, ELF executables 525FreeBSD 3.0 1998-10-16 [FBD] 526 FreeBSD-3.0 is a snapshot from -current, 527 while 3.1 and 3.2 are from 3.x-stable which 528 was branched quite some time after 3.0-release 529FreeBSD 2.2.8 1998-11-29 [FBD] 530OpenBSD 2.4 1998-12-01 [OBD] 531NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 532FreeBSD 3.1 1999-02-15 [FBD] 533BSD/OS 4.0.1 1999-03-xx [BSDI] 534NetBSD 1.4 1999-05-12 [NBD] 535FreeBSD 3.2 1999-05-17 [FBD] 536OpenBSD 2.5 1999-05-19 [OBD] 537NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 538FreeBSD 3.3 1999-09-17 [FBD] 539OpenBSD 2.6 1999-12-01 [OBD] 540FreeBSD 3.4 1999-12-20 [FBD] 541BSD/OS 4.1 1999-12-xx [BSDI] 542FreeBSD 4.0 2000-03-13 [FBD] 543NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 544OpenBSD 2.7 2000-06-15 [OBD] 545FreeBSD 3.5 2000-06-24 [FBD] 546FreeBSD 4.1 2000-07-27 [FBD] 547FreeBSD 3.5.1 2000-07-28 [FBD] 548FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 549FreeBSD 4.2 2000-11-21 [FBD] 550NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 551BSD/OS 4.2 2000-11-29 [BSDI] 552OpenBSD 2.8 2000-12-01 [OBD] 553NetBSD 1.5 2000-12-06 [NBD] 554Mac OS X 10.0 2001-03-24 [APL] 555FreeBSD 4.3 2001-04-20 [FBD] 556OpenBSD 2.9 2001-06-01 [OBD] 557NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 558NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 559FreeBSD 4.4 2001-09-18 [FBD] 560Mac OS X 10.1 2001-09-29 [APL] 561OpenBSD 3.0 2001-12-01 [OBD] 562FreeBSD 4.5 2002-01-29 [FBD] 563BSD/OS 4.3 2002-03-14 [WRS] 564OpenBSD 3.1 2002-05-19 [OBD] 565FreeBSD 4.6 2002-06-15 [FBD] 566NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 567FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 568Mac OS X 10.2 2002-08-23 [APL] 569NetBSD 1.6 2002-09-14 [NBD] 570FreeBSD 4.7 2002-10-08 [FBD] 571OpenBSD 3.2 2002-11-01 [OBD] 572FreeBSD 5.0 2003-01-17 [FBD] 573 FreeBSD 5.0 is a separate branch off of 574 -current, similar to 3.0. 575FreeBSD 4.8 2003-04-03 [FBD] 576NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 577OpenBSD 3.3 2003-05-01 [OBD] 578BSD/OS 5.0 2003-05-?? [WRS] 579FreeBSD 5.1 2003-06-09 [FBD] 580Mac OS X 10.3 2003-10-24 [APL] 581FreeBSD 4.9 2003-10-28 [FBD] 582BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 583OpenBSD 3.4 2003-11-01 [OBD] 584FreeBSD 5.2 2004-01-12 [FBD] 585FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 586NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 587OpenBSD 3.5 2004-04-01 [OBD] 588FreeBSD 4.10 2004-05-27 [FBD] 589DragonFly 1.0 2004-07-12 [DFB] 590OpenBSD 3.6 2004-10-29 [OBD] 591FreeBSD 5.3 2004-11-06 [FBD] 592NetBSD 2.0 2004-12-09 [NBD] 593FreeBSD 4.11 2005-01-25 [FBD] 594DragonFly 1.2.0 2005-04-08 [DFB] 595NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 596Mac OS X 10.4 2005-04-29 [APL] 597FreeBSD 5.4 2005-05-09 [FBD] 598OpenBSD 3.7 2005-05-19 [OBD] 599NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 600OpenBSD 3.8 2005-11-01 [OBD] 601FreeBSD 6.0 2005-11-01 [FBD] 602NetBSD 2.1 2005-11-02 [NBD] 603NetBSD 3.0 2005-12-23 [NBD] 604DragonFly 1.4.0 2006-01-08 [DFB] 605FreeBSD 2.2.9 2006-04-01 [FBD] 606OpenBSD 3.9 2006-05-01 [OBD] 607FreeBSD 6.1 2006-05-08 [FBD] 608FreeBSD 5.5 2006-05-25 [FBD] 609NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 610DragonFly 1.6.0 2006-07-24 [DFB] 611OpenBSD 4.0 2006-11-01 [OBD] 612NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 613NetBSD 3.1 2006-11-04 [NBD] 614FreeBSD 6.2 2007-01-15 [FBD] 615DragonFly 1.8.0 2007-01-30 [DFB] 616OpenBSD 4.1 2007-05-01 [OBD] 617DragonFly 1.10.0 2007-08-06 [DFB] 618Mac OS X 10.5 2007-10-26 [APL] 619OpenBSD 4.2 2007-11-01 [OBD] 620NetBSD 4.0 2007-12-19 [NBD] 621FreeBSD 6.3 2008-01-18 [FBD] 622DragonFly 1.12.0 2008-02-26 [DFB] 623FreeBSD 7.0 2008-02-27 [FBD] 624OpenBSD 4.3 2008-05-01 [OBD] 625DragonFly 2.0.0 2008-07-21 [DFB] 626OpenBSD 4.4 2008-11-01 [OBD] 627FreeBSD 6.4 2008-11-28 [FBD] 628FreeBSD 7.1 2009-01-04 [FBD] 629DragonFly 2.2.0 2009-02-17 [DFB] 630NetBSD 5.0 2009-04-29 [NBD] 631OpenBSD 4.5 2009-05-01 [OBD] 632FreeBSD 7.2 2009-05-04 [FBD] 633Mac OS X 10.6 2009-06-08 [APL] 634NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 635DragonFly 2.4.0 2009-09-16 [DFB] 636OpenBSD 4.6 2009-10-18 [OBD] 637FreeBSD 8.0 2009-11-26 [FBD] 638NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 639FreeBSD 7.3 2010-03-23 [FBD] 640DragonFly 2.6.0 2010-03-28 [DFB] 641OpenBSD 4.7 2010-05-19 [OBD] 642FreeBSD 8.1 2010-07-24 [FBD] 643DragonFly 2.8.2 2010-10-30 [DFB] 644OpenBSD 4.8 2010-11-01 [OBD] 645NetBSD 5.1 2010-11-19 [NBD] 646FreeBSD 7.4 2011-02-24 [FBD] 647FreeBSD 8.2 2011-02-24 [FBD] 648DragonFly 2.10.1 2011-04-26 [DFB] 649OpenBSD 4.9 2011-05-01 [OBD] 650Mac OS X 10.7 2011-07-20 [APL] 651OpenBSD 5.0 2011-11-01 [OBD] 652FreeBSD 9.0 2012-01-12 [FBD] 653NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 654DragonFly 3.0.1 2012-02-21 [DFB] 655FreeBSD 8.3 2012-04-18 [FBD] 656OpenBSD 5.1 2012-05-01 [OBD] 657Mac OS X 10.8 2012-07-25 [APL] 658NetBSD 6.0 2012-10-17 [NBD] 659OpenBSD 5.2 2012-11-01 [OBD] 660DragonFly 3.2.1 2012-11-02 [DFB] 661NetBSD 5.2 2012-12-03 [NBD] 662NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 663FreeBSD 9.1 2012-12-30 [FBD] 664DragonFly 3.4.1 2013-04-29 [DFB] 665OpenBSD 5.3 2013-05-01 [OBD] 666NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 667NetBSD 6.1 2013-05-18 [NBD] 668FreeBSD 8.4 2013-06-07 [FBD] 669NetBSD 6.1.1 2013-08-22 [NBD] 670NetBSD 5.1.3 2013-09-29 [NBD] 671NetBSD 5.2.1 2013-09-29 [NBD] 672FreeBSD 9.2 2013-09-30 [FBD] 673NetBSD 6.0.3 2013-09-30 [NBD] 674NetBSD 6.1.2 2013-09-30 [NBD] 675Mac OS X 10.9 2013-10-22 [APL] 676OpenBSD 5.4 2013-11-01 [OBD] 677DragonFly 3.6.0 2013-11-25 [DFB] 678FreeBSD 10.0 2014-01-20 [FBD] 679NetBSD 5.1.4 2014-01-25 [NBD] 680NetBSD 5.2.2 2014-01-25 [NBD] 681NetBSD 6.0.4 2014-01-25 [NBD] 682NetBSD 6.1.3 2014-01-25 [NBD] 683DragonFly 3.6.1 2014-02-22 [DFB] 684DragonFly 3.6.2 2014-04-10 [DFB] 685NetBSD 6.0.5 2014-04-12 [NDB] 686NetBSD 6.1.4 2014-04-12 [NDB] 687OpenBSD 5.5 2014-05-01 [OBD] 688DragonFly 3.8.0 2014-06-04 [DFB] 689DragonFly 3.8.1 2014-06-16 [DFB] 690DragonFly 3.6.3 2014-06-17 [DFB] 691FreeBSD 9.3 2014-07-05 [FBD] 692DragonFly 3.8.2 2014-08-08 [DFB] 693NetBSD 6.1.5 2014-09-22 [NBD] 694Mac OS X 10.10 2014-10-16 [APL] 695OpenBSD 5.6 2014-11-01 [OBD] 696FreeBSD 10.1 2014-11-14 [FBD] 697DragonFly 4.0.1 2014-11-25 [DFB] 698DragonFly 4.0.2 2015-01-07 [DFB] 699DragonFly 4.0.3 2015-01-21 [DFB] 700DragonFly 4.0.4 2015-03-09 [DFB] 701DragonFly 4.0.5 2015-03-23 [DFB] 702OpenBSD 5.7 2015-05-01 [OBD] 703DragonFly 4.2.0 2015-06-29 [DFB] 704FreeBSD 10.2 2015-08-13 [FBD] 705NetBSD 7.0 2015-09-25 [NBD] 706OS X 10.11 2015-09-30 [APL] 707OpenBSD 5.8 2015-10-18 [OBD] 708DragonFly 4.4.1 2015-12-07 [DFB] 709OpenBSD 5.9 2016-03-29 [OBD] 710FreeBSD 10.3 2016-04-04 [FBD] 711NetBSD 7.0.1 2016-05-22 [NBD] 712DragonFly 4.6.0 2016-08-02 [DFB] 713OpenBSD 6.0 2016-09-01 [OBD] 714macOS 10.12 2016-09-20 [APL] 715FreeBSD 11.0 2016-10-10 [FBD] 716NetBSD 7.1 2017-03-11 [NBD] 717DragonFly 4.8.0 2017-03-27 [DFB] 718OpenBSD 6.1 2017-04-11 [OBD] 719FreeBSD 11.1 2017-07-26 [FBD] 720macOS 10.13 2017-09-25 [APL] 721FreeBSD 10.4 2017-10-03 [FBD] 722OpenBSD 6.2 2017-10-09 [OBD] 723DragonFly 5.0.0 2017-10-16 [DFB] 724 725Bibliography 726------------------------ 727 728Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 729Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 730System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 731 732Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 733Company, Inc., 1994. ISBN 0-201-54777-5 734 735McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 736Quarterman. The Design and Implementation of the 4.4BSD Operating 737System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 738 739McKusick, Marshall Kirk, George Neville-Neil. The Design and 740Implementation of the FreeBSD Operating System. 741Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 742 743McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The 744Design and Implementation of the FreeBSD Operating System, 2nd Edition. 745Pearson Education, Inc., 2014. ISBN 0-321-96897-2 746 747Doug McIlroy. Research Unix Reader. 748 749Michael G. Brown. The Role of BSD in the Development of Unix. 750Presented to the Tasmanian Unix Special Interest Group of the 751Australian Computer Society, Hobart, August 1993. 752 753Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 754URL: http://www.byte.com/art/9410/sec8/art3.htm 755 756Andreas Klemm, Lars Köller. If you're going to San Francisco ... 757Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 758 759BSD Release Announcements collection. 760URL: https://www.FreeBSD.org/releases/ 761 762BSD Hypertext Man Pages 763URL: https://www.FreeBSD.org/cgi/man.cgi 764 765UNIX history graphing project 766URL: http://minnie.tuhs.org/Unix_History/index.html 767 768UNIX history 769URL: http://www.levenez.com/unix/ 770 771James Howard: The BSD Family Tree 772URL: http://ezine.daemonnews.org/200104/bsd_family.html 773("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 774 775 776Acknowledgments 777--------------- 778 779Josh Gilliam for suggestions, bug fixes, and finding very old 780original BSD announcements from Usenet or tapes. 781 782Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 783 784-- 785Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 786URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 787 788$FreeBSD: head/share/misc/bsd-family-tree 325096 2017-10-29 08:17:03Z eadler $ 789