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 | | OS X 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 | | | | DragonFly 4.8.0 355 | | | OpenBSD 6.1 | 356 | | | | | 357FreeBSD 12 -current | NetBSD -current OpenBSD -current DragonFly -current 358 | | | | | 359 v v v v v 360 361Time 362---------------- 363 364Time tolerance +/- 6 months, depending on which book/article you read; if it 365was the announcement in Usenet or if it was available as tape. 366 367[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 368 and John Quarterman. The Design and Implementation of 369 the 4.4BSD Operating System. 370[APL] Apple website [http://www.apple.com/macosx/] 371[BSDI] Berkeley Software Design, Inc. 372[DFB] DragonFlyBSD Project, The. 373[DOC] README, COPYRIGHT on tape. 374[FBD] FreeBSD Project, The. 375[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 376 Volume 11, Info 4, April, 1987. 377[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 378 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 379[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 380 Changes in the Kernel in 2.9BSD. Second Berkeley Software 381 Distribution UNIX Version 2.9, July, 1983. 382[NBD] NetBSD Project, The. 383[OBD] OpenBSD Project, The. 384[QCU] Salus, Peter H. A quarter century of UNIX. 385[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 386[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 387[USE] Usenet announcement. 388[WRS] Wind River Systems, Inc. 389[dmr] Dennis Ritchie, via E-Mail 390 391Multics 1965 392UNIX Summer 1969 393 DEC PDP-7 394First Edition 1971-11-03 [QCU] 395 DEC PDP-11/20, Assembler 396Second Edition 1972-06-12 [QCU] 397 10 UNIX installations 398Third Edition 1973-02-xx [QCU] 399 Pipes, 16 installations 400Fourth Edition 1973-11-xx [QCU] 401 rewriting in C effected, 402 above 30 installations 403Fifth Edition 1974-06-xx [QCU] 404 above 50 installations 405Sixth Edition 1975-05-xx [QCU] 406 port to DEC Vax 407Seventh Edition 1979-01-xx [QCU] 408 first portable UNIX 409Eighth Edition 1985-02-xx [QCU] 410 VAX 11/750, VAX 11/780 [dmr] 411 descended from 4.1c BSD [dmr] 412 descended from 4.1 BSD [44B] 413 scooping-out and replacement of the character-device 414 and networking part by the streams mechanism 415 416Ninth Edition 1986-09-xx [QCU] 417Tenth Edition 1989-10-xx [QCU] 418 4191BSD late 1977 420 1978-03-09 [QCU] 421 PDP-11, Pascal, ex(1) 422 30 free copies of 1BSD sent out 423 35 tapes sold for 50 USD [QCU] 4242BSD mid 1978 [QCU] 1979-05-10 [TUHS] 425 75 2BSD tapes shipped 4262.79BSD 1980-04-xx [TUHS] 4272.8BSD 1981-07-xx [KSJ] 428 4292.8.1BSD 1982-01-xx [QCU] 430 set of performance improvements 4312.9BSD 1983-07-xx [KSJ] 4322.9.1BSD 1983-11-xx [TUHS] 4332.9BSD-Seismo 1985-08-xx [SMS] 4342.10BSD 1987-04-xx [KKK] 4352.10.1BSD 1989-01-xx [SMS] 4362.11BSD 1992-02-xx [SMS] 4372.11BSD rev #430 1999-12-13 [SMS] 438 43932V 1978-1[01]-xx [QCU] 4403BSD late 1979 [QCU] March 1980 [TUHS] 441 virtual memory, page replacement, 442 demand paging 4434.0BSD 1980-10-xx 4444.1BSD 1981-07-08 [DOC] 4454.1aBSD 1982-04-xx 446 alpha release, 100 sites, networking [44B] 4474.1bBSD internal release, fast filesystem [44B] 4484.1cBSD late 1982 449 beta release, IPC [44B] 4504.2BSD 1983-09-xx [QCU] 451 1983-08-03 [DOC] 4524.3BSD 1986-06-xx [QCU] 453 1986-04-05 [KB], [DOC] 4544.3BSD Tahoe 1988-06-15 [QCU], [DOC] 4554.3BSD NET/1 1988-11-xx [QCU] 456 1989-01-01 [DOC] 4574.3BSD Reno 1990-06-29 [QCU], [DOC] 4584.3BSD NET/2 1991-06-28 [QCU], [DOC] 459 460BSD/386 ALPHA 1991-12-xx [BSDI] 461 first code released to people outside BSDI 462386BSD 0.0 1992-02-xx [DOC] 463BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 464BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 465386BSD 0.1 1992-07-28 [DOC] 4664.4BSD Alpha 1992-07-07 467BSD/386 0.9.3 1992-10-xx [BSDI] 468 first external gamma; G customers 469BSD/386 0.9.4 1992-12-xx [BSDI] 470 would have been 1.0 except for request 471 for preliminary injunction 472BSD/386 1.0 1993-03-xx [BSDI] 473 injunction denied; first official release 474NetBSD 0.8 1993-04-20 [NBD] 4754.4BSD 1993-06-01 [USE] 476NetBSD 0.9 1993-08-23 [NBD] 477FreeBSD 1.0 1993-11-01 [FBD] 478FreeBSD 1.0.2 1993-11-14 [FBD] 479 supersedes 1.0 13 days after release. 480BSD/386 1.1 1994-02-xx [BSDI] 4814.4BSD Lite 1994-03-01 [USE] 482FreeBSD 1.1 1994-05-07 [FBD] 483FreeBSD 1.1.5 1994-06-30 [FBD] 484FreeBSD 1.1.5.1 1994-07-05 [FBD] 485 supersedes 1.1.5 5 days after release. 486NetBSD 1.0 1994-10-26 [NBD] 487386BSD 1.0 1994-11-12 [USE] 488FreeBSD 2.0 1994-11-23 [FBD] 489BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 490FreeBSD 2.0.5 1995-06-10 [FBD] 491BSD/OS 2.0.1 1995-06-xx [BSDI] 4924.4BSD Lite Release 2 1995-06-xx [44B] 493 the true final distribution from the CSRG 494FreeBSD 2.1.0 1995-11-19 [FBD] 495NetBSD 1.1 1995-11-26 [NBD] 496BSD/OS 2.1 1996-01-xx [BSDI] 497FreeBSD 2.1.5 1996-07-14 [FBD] 498NetBSD 1.2 1996-10-04 [NBD] 499OpenBSD 2.0 1996-10-18 [OBD] 500FreeBSD 2.1.6 1996-11-16 [FBD] 501FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 502Rhapsody 1997-xx-xx 503FreeBSD 2.1.7 1997-02-20 [FBD] 504BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 505FreeBSD 2.2.0 1997-03-16 [FBD] 506FreeBSD 2.2.1 1997-03-25 [FBD] 507FreeBSD 2.2.2 1997-05-16 [FBD] 508NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 509OpenBSD 2.1 1997-06-01 [OBD] 510FreeBSD 2.2.5 1997-10-22 [FBD] 511OpenBSD 2.2 1997-12-01 [OBD] 512NetBSD 1.3 1998-01-04 [NBD] 513FreeBSD 2.2.6 1998-03-25 [FBD] 514NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 515BSD/OS 3.1 1998-03-xx [BSDI] 516OpenBSD 2.3 1998-05-19 [OBD] 517NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 518FreeBSD 2.2.7 1998-07-22 [FBD] 519BSD/OS 4.0 1998-08-xx [BSDI] 520 2-lock MP support, ELF executables 521FreeBSD 3.0 1998-10-16 [FBD] 522 FreeBSD-3.0 is a snapshot from -current, 523 while 3.1 and 3.2 are from 3.x-stable which 524 was branched quite some time after 3.0-release 525FreeBSD 2.2.8 1998-11-29 [FBD] 526OpenBSD 2.4 1998-12-01 [OBD] 527NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 528FreeBSD 3.1 1999-02-15 [FBD] 529BSD/OS 4.0.1 1999-03-xx [BSDI] 530NetBSD 1.4 1999-05-12 [NBD] 531FreeBSD 3.2 1999-05-17 [FBD] 532OpenBSD 2.5 1999-05-19 [OBD] 533NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 534FreeBSD 3.3 1999-09-17 [FBD] 535OpenBSD 2.6 1999-12-01 [OBD] 536FreeBSD 3.4 1999-12-20 [FBD] 537BSD/OS 4.1 1999-12-xx [BSDI] 538FreeBSD 4.0 2000-03-13 [FBD] 539NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 540OpenBSD 2.7 2000-06-15 [OBD] 541FreeBSD 3.5 2000-06-24 [FBD] 542FreeBSD 4.1 2000-07-27 [FBD] 543FreeBSD 3.5.1 2000-07-28 [FBD] 544FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 545FreeBSD 4.2 2000-11-21 [FBD] 546NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 547BSD/OS 4.2 2000-11-29 [BSDI] 548OpenBSD 2.8 2000-12-01 [OBD] 549NetBSD 1.5 2000-12-06 [NBD] 550Mac OS X 10.0 2001-03-24 [APL] 551FreeBSD 4.3 2001-04-20 [FBD] 552OpenBSD 2.9 2001-06-01 [OBD] 553NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 554NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 555FreeBSD 4.4 2001-09-18 [FBD] 556Mac OS X 10.1 2001-09-29 [APL] 557OpenBSD 3.0 2001-12-01 [OBD] 558FreeBSD 4.5 2002-01-29 [FBD] 559BSD/OS 4.3 2002-03-14 [WRS] 560OpenBSD 3.1 2002-05-19 [OBD] 561FreeBSD 4.6 2002-06-15 [FBD] 562NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 563FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 564Mac OS X 10.2 2002-08-23 [APL] 565NetBSD 1.6 2002-09-14 [NBD] 566FreeBSD 4.7 2002-10-08 [FBD] 567OpenBSD 3.2 2002-11-01 [OBD] 568FreeBSD 5.0 2003-01-17 [FBD] 569 FreeBSD 5.0 is a separate branch off of 570 -current, similar to 3.0. 571FreeBSD 4.8 2003-04-03 [FBD] 572NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 573OpenBSD 3.3 2003-05-01 [OBD] 574BSD/OS 5.0 2003-05-?? [WRS] 575FreeBSD 5.1 2003-06-09 [FBD] 576Mac OS X 10.3 2003-10-24 [APL] 577FreeBSD 4.9 2003-10-28 [FBD] 578BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 579OpenBSD 3.4 2003-11-01 [OBD] 580FreeBSD 5.2 2004-01-12 [FBD] 581FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 582NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 583OpenBSD 3.5 2004-04-01 [OBD] 584FreeBSD 4.10 2004-05-27 [FBD] 585DragonFly 1.0 2004-07-12 [DFB] 586OpenBSD 3.6 2004-10-29 [OBD] 587FreeBSD 5.3 2004-11-06 [FBD] 588NetBSD 2.0 2004-12-09 [NBD] 589FreeBSD 4.11 2005-01-25 [FBD] 590DragonFly 1.2.0 2005-04-08 [DFB] 591NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 592Mac OS X 10.4 2005-04-29 [APL] 593FreeBSD 5.4 2005-05-09 [FBD] 594OpenBSD 3.7 2005-05-19 [OBD] 595NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 596OpenBSD 3.8 2005-11-01 [OBD] 597FreeBSD 6.0 2005-11-01 [FBD] 598NetBSD 2.1 2005-11-02 [NBD] 599NetBSD 3.0 2005-12-23 [NBD] 600DragonFly 1.4.0 2006-01-08 [DFB] 601FreeBSD 2.2.9 2006-04-01 [FBD] 602OpenBSD 3.9 2006-05-01 [OBD] 603FreeBSD 6.1 2006-05-08 [FBD] 604FreeBSD 5.5 2006-05-25 [FBD] 605NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 606DragonFly 1.6.0 2006-07-24 [DFB] 607OpenBSD 4.0 2006-11-01 [OBD] 608NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 609NetBSD 3.1 2006-11-04 [NBD] 610FreeBSD 6.2 2007-01-15 [FBD] 611DragonFly 1.8.0 2007-01-30 [DFB] 612OpenBSD 4.1 2007-05-01 [OBD] 613DragonFly 1.10.0 2007-08-06 [DFB] 614Mac OS X 10.5 2007-10-26 [APL] 615OpenBSD 4.2 2007-11-01 [OBD] 616NetBSD 4.0 2007-12-19 [NBD] 617FreeBSD 6.3 2008-01-18 [FBD] 618DragonFly 1.12.0 2008-02-26 [DFB] 619FreeBSD 7.0 2008-02-27 [FBD] 620OpenBSD 4.3 2008-05-01 [OBD] 621DragonFly 2.0.0 2008-07-21 [DFB] 622OpenBSD 4.4 2008-11-01 [OBD] 623FreeBSD 6.4 2008-11-28 [FBD] 624FreeBSD 7.1 2009-01-04 [FBD] 625DragonFly 2.2.0 2009-02-17 [DFB] 626NetBSD 5.0 2009-04-29 [NBD] 627OpenBSD 4.5 2009-05-01 [OBD] 628FreeBSD 7.2 2009-05-04 [FBD] 629Mac OS X 10.6 2009-06-08 [APL] 630NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 631DragonFly 2.4.0 2009-09-16 [DFB] 632OpenBSD 4.6 2009-10-18 [OBD] 633FreeBSD 8.0 2009-11-26 [FBD] 634NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 635FreeBSD 7.3 2010-03-23 [FBD] 636DragonFly 2.6.0 2010-03-28 [DFB] 637OpenBSD 4.7 2010-05-19 [OBD] 638FreeBSD 8.1 2010-07-24 [FBD] 639DragonFly 2.8.2 2010-10-30 [DFB] 640OpenBSD 4.8 2010-11-01 [OBD] 641NetBSD 5.1 2010-11-19 [NBD] 642FreeBSD 7.4 2011-02-24 [FBD] 643FreeBSD 8.2 2011-02-24 [FBD] 644DragonFly 2.10.1 2011-04-26 [DFB] 645OpenBSD 4.9 2011-05-01 [OBD] 646Mac OS X 10.7 2011-07-20 [APL] 647OpenBSD 5.0 2011-11-01 [OBD] 648FreeBSD 9.0 2012-01-12 [FBD] 649NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 650DragonFly 3.0.1 2012-02-21 [DFB] 651FreeBSD 8.3 2012-04-18 [FBD] 652OpenBSD 5.1 2012-05-01 [OBD] 653Mac OS X 10.8 2012-07-25 [APL] 654NetBSD 6.0 2012-10-17 [NBD] 655OpenBSD 5.2 2012-11-01 [OBD] 656DragonFly 3.2.1 2012-11-02 [DFB] 657NetBSD 5.2 2012-12-03 [NBD] 658NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 659FreeBSD 9.1 2012-12-30 [FBD] 660DragonFly 3.4.1 2013-04-29 [DFB] 661OpenBSD 5.3 2013-05-01 [OBD] 662NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 663NetBSD 6.1 2013-05-18 [NBD] 664FreeBSD 8.4 2013-06-07 [FBD] 665NetBSD 6.1.1 2013-08-22 [NBD] 666NetBSD 5.1.3 2013-09-29 [NBD] 667NetBSD 5.2.1 2013-09-29 [NBD] 668FreeBSD 9.2 2013-09-30 [FBD] 669NetBSD 6.0.3 2013-09-30 [NBD] 670NetBSD 6.1.2 2013-09-30 [NBD] 671Mac OS X 10.9 2013-10-22 [APL] 672OpenBSD 5.4 2013-11-01 [OBD] 673DragonFly 3.6.0 2013-11-25 [DFB] 674FreeBSD 10.0 2014-01-20 [FBD] 675NetBSD 5.1.4 2014-01-25 [NBD] 676NetBSD 5.2.2 2014-01-25 [NBD] 677NetBSD 6.0.4 2014-01-25 [NBD] 678NetBSD 6.1.3 2014-01-25 [NBD] 679DragonFly 3.6.1 2014-02-22 [DFB] 680DragonFly 3.6.2 2014-04-10 [DFB] 681NetBSD 6.0.5 2014-04-12 [NDB] 682NetBSD 6.1.4 2014-04-12 [NDB] 683OpenBSD 5.5 2014-05-01 [OBD] 684DragonFly 3.8.0 2014-06-04 [DFB] 685DragonFly 3.8.1 2014-06-16 [DFB] 686DragonFly 3.6.3 2014-06-17 [DFB] 687FreeBSD 9.3 2014-07-05 [FBD] 688DragonFly 3.8.2 2014-08-08 [DFB] 689NetBSD 6.1.5 2014-09-22 [NBD] 690Mac OS X 10.10 2014-10-16 [APL] 691OpenBSD 5.6 2014-11-01 [OBD] 692FreeBSD 10.1 2014-11-14 [FBD] 693DragonFly 4.0.1 2014-11-25 [DFB] 694DragonFly 4.0.2 2015-01-07 [DFB] 695DragonFly 4.0.3 2015-01-21 [DFB] 696DragonFly 4.0.4 2015-03-09 [DFB] 697DragonFly 4.0.5 2015-03-23 [DFB] 698OpenBSD 5.7 2015-05-01 [OBD] 699DragonFly 4.2.0 2015-06-29 [DFB] 700FreeBSD 10.2 2015-08-13 [FBD] 701NetBSD 7.0 2015-09-25 [NBD] 702OS X 10.11 2015-09-30 [APL] 703OpenBSD 5.8 2015-10-18 [OBD] 704DragonFly 4.4.1 2015-12-07 [DFB] 705OpenBSD 5.9 2016-03-29 [OBD] 706FreeBSD 10.3 2016-04-04 [FBD] 707NetBSD 7.0.1 2016-05-22 [NBD] 708DragonFly 4.6.0 2016-08-02 [DFB] 709OpenBSD 6.0 2016-09-01 [OBD] 710macOS 10.12 2016-09-20 [APL] 711FreeBSD 11.0 2016-10-10 [FBD] 712NetBSD 7.1 2017-03-11 [NBD] 713DragonFly 4.8.0 2017-03-27 [DFB] 714OpenBSD 6.1 2017-04-11 [OBD] 715 716Bibliography 717------------------------ 718 719Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 720Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 721System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 722 723Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 724Company, Inc., 1994. ISBN 0-201-54777-5 725 726McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 727Quarterman. The Design and Implementation of the 4.4BSD Operating 728System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 729 730McKusick, Marshall Kirk, George Neville-Neil. The Design and 731Implementation of the FreeBSD Operating System. 732Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 733 734McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The 735Design and Implementation of the FreeBSD Operating System, 2nd Edition. 736Pearson Education, Inc., 2014. ISBN 0-321-96897-2 737 738Doug McIlroy. Research Unix Reader. 739 740Michael G. Brown. The Role of BSD in the Development of Unix. 741Presented to the Tasmanian Unix Special Interest Group of the 742Australian Computer Society, Hobart, August 1993. 743 744Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 745URL: http://www.byte.com/art/9410/sec8/art3.htm 746 747Andreas Klemm, Lars Köller. If you're going to San Francisco ... 748Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 749 750BSD Release Announcements collection. 751URL: http://www.FreeBSD.org/releases/ 752 753BSD Hypertext Man Pages 754URL: http://www.FreeBSD.org/cgi/man.cgi 755 756UNIX history graphing project 757URL: http://minnie.tuhs.org/Unix_History/index.html 758 759UNIX history 760URL: http://www.levenez.com/unix/ 761 762James Howard: The BSD Family Tree 763URL: http://ezine.daemonnews.org/200104/bsd_family.html 764("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 765 766 767Acknowledgments 768--------------- 769 770Josh Gilliam for suggestions, bug fixes, and finding very old 771original BSD announcements from Usenet or tapes. 772 773Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 774 775-- 776Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 777URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 778 779$FreeBSD$ 780