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 | | | | | 356FreeBSD 12 -current | NetBSD -current OpenBSD -current DragonFly -current 357 | | | | | 358 v v v v v 359 360Time 361---------------- 362 363Time tolerance +/- 6 months, depending on which book/article you read; if it 364was the announcement in Usenet or if it was available as tape. 365 366[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 367 and John Quarterman. The Design and Implementation of 368 the 4.4BSD Operating System. 369[APL] Apple website [http://www.apple.com/macosx/] 370[BSDI] Berkeley Software Design, Inc. 371[DFB] DragonFlyBSD Project, The. 372[DOC] README, COPYRIGHT on tape. 373[FBD] FreeBSD Project, The. 374[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 375 Volume 11, Info 4, April, 1987. 376[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 377 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 378[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 379 Changes in the Kernel in 2.9BSD. Second Berkeley Software 380 Distribution UNIX Version 2.9, July, 1983. 381[NBD] NetBSD Project, The. 382[OBD] OpenBSD Project, The. 383[QCU] Salus, Peter H. A quarter century of UNIX. 384[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 385[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 386[USE] Usenet announcement. 387[WRS] Wind River Systems, Inc. 388[dmr] Dennis Ritchie, via E-Mail 389 390Multics 1965 391UNIX Summer 1969 392 DEC PDP-7 393First Edition 1971-11-03 [QCU] 394 DEC PDP-11/20, Assembler 395Second Edition 1972-06-12 [QCU] 396 10 UNIX installations 397Third Edition 1973-02-xx [QCU] 398 Pipes, 16 installations 399Fourth Edition 1973-11-xx [QCU] 400 rewriting in C effected, 401 above 30 installations 402Fifth Edition 1974-06-xx [QCU] 403 above 50 installations 404Sixth Edition 1975-05-xx [QCU] 405 port to DEC Vax 406Seventh Edition 1979-01-xx [QCU] 407 first portable UNIX 408Eighth Edition 1985-02-xx [QCU] 409 VAX 11/750, VAX 11/780 [dmr] 410 descended from 4.1c BSD [dmr] 411 descended from 4.1 BSD [44B] 412 scooping-out and replacement of the character-device 413 and networking part by the streams mechanism 414 415Ninth Edition 1986-09-xx [QCU] 416Tenth Edition 1989-10-xx [QCU] 417 4181BSD late 1977 419 1978-03-09 [QCU] 420 PDP-11, Pascal, ex(1) 421 30 free copies of 1BSD sent out 422 35 tapes sold for 50 USD [QCU] 4232BSD mid 1978 [QCU] 1979-05-10 [TUHS] 424 75 2BSD tapes shipped 4252.79BSD 1980-04-xx [TUHS] 4262.8BSD 1981-07-xx [KSJ] 427 4282.8.1BSD 1982-01-xx [QCU] 429 set of performance improvements 4302.9BSD 1983-07-xx [KSJ] 4312.9.1BSD 1983-11-xx [TUHS] 4322.9BSD-Seismo 1985-08-xx [SMS] 4332.10BSD 1987-04-xx [KKK] 4342.10.1BSD 1989-01-xx [SMS] 4352.11BSD 1992-02-xx [SMS] 4362.11BSD rev #430 1999-12-13 [SMS] 437 43832V 1978-1[01]-xx [QCU] 4393BSD late 1979 [QCU] March 1980 [TUHS] 440 virtual memory, page replacement, 441 demand paging 4424.0BSD 1980-10-xx 4434.1BSD 1981-07-08 [DOC] 4444.1aBSD 1982-04-xx 445 alpha release, 100 sites, networking [44B] 4464.1bBSD internal release, fast filesystem [44B] 4474.1cBSD late 1982 448 beta release, IPC [44B] 4494.2BSD 1983-09-xx [QCU] 450 1983-08-03 [DOC] 4514.3BSD 1986-06-xx [QCU] 452 1986-04-05 [KB], [DOC] 4534.3BSD Tahoe 1988-06-15 [QCU], [DOC] 4544.3BSD NET/1 1988-11-xx [QCU] 455 1989-01-01 [DOC] 4564.3BSD Reno 1990-06-29 [QCU], [DOC] 4574.3BSD NET/2 1991-06-28 [QCU], [DOC] 458 459BSD/386 ALPHA 1991-12-xx [BSDI] 460 first code released to people outside BSDI 461386BSD 0.0 1992-02-xx [DOC] 462BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 463BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 464386BSD 0.1 1992-07-28 [DOC] 4654.4BSD Alpha 1992-07-07 466BSD/386 0.9.3 1992-10-xx [BSDI] 467 first external gamma; G customers 468BSD/386 0.9.4 1992-12-xx [BSDI] 469 would have been 1.0 except for request 470 for preliminary injunction 471BSD/386 1.0 1993-03-xx [BSDI] 472 injunction denied; first official release 473NetBSD 0.8 1993-04-20 [NBD] 4744.4BSD 1993-06-01 [USE] 475NetBSD 0.9 1993-08-23 [NBD] 476FreeBSD 1.0 1993-11-01 [FBD] 477FreeBSD 1.0.2 1993-11-14 [FBD] 478 supersedes 1.0 13 days after release. 479BSD/386 1.1 1994-02-xx [BSDI] 4804.4BSD Lite 1994-03-01 [USE] 481FreeBSD 1.1 1994-05-07 [FBD] 482FreeBSD 1.1.5 1994-06-30 [FBD] 483FreeBSD 1.1.5.1 1994-07-05 [FBD] 484 supersedes 1.1.5 5 days after release. 485NetBSD 1.0 1994-10-26 [NBD] 486386BSD 1.0 1994-11-12 [USE] 487FreeBSD 2.0 1994-11-23 [FBD] 488BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 489FreeBSD 2.0.5 1995-06-10 [FBD] 490BSD/OS 2.0.1 1995-06-xx [BSDI] 4914.4BSD Lite Release 2 1995-06-xx [44B] 492 the true final distribution from the CSRG 493FreeBSD 2.1.0 1995-11-19 [FBD] 494NetBSD 1.1 1995-11-26 [NBD] 495BSD/OS 2.1 1996-01-xx [BSDI] 496FreeBSD 2.1.5 1996-07-14 [FBD] 497NetBSD 1.2 1996-10-04 [NBD] 498OpenBSD 2.0 1996-10-18 [OBD] 499FreeBSD 2.1.6 1996-11-16 [FBD] 500FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 501Rhapsody 1997-xx-xx 502FreeBSD 2.1.7 1997-02-20 [FBD] 503BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 504FreeBSD 2.2.0 1997-03-16 [FBD] 505FreeBSD 2.2.1 1997-03-25 [FBD] 506FreeBSD 2.2.2 1997-05-16 [FBD] 507NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 508OpenBSD 2.1 1997-06-01 [OBD] 509FreeBSD 2.2.5 1997-10-22 [FBD] 510OpenBSD 2.2 1997-12-01 [OBD] 511NetBSD 1.3 1998-01-04 [NBD] 512FreeBSD 2.2.6 1998-03-25 [FBD] 513NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 514BSD/OS 3.1 1998-03-xx [BSDI] 515OpenBSD 2.3 1998-05-19 [OBD] 516NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 517FreeBSD 2.2.7 1998-07-22 [FBD] 518BSD/OS 4.0 1998-08-xx [BSDI] 519 2-lock MP support, ELF executables 520FreeBSD 3.0 1998-10-16 [FBD] 521 FreeBSD-3.0 is a snapshot from -current, 522 while 3.1 and 3.2 are from 3.x-stable which 523 was branched quite some time after 3.0-release 524FreeBSD 2.2.8 1998-11-29 [FBD] 525OpenBSD 2.4 1998-12-01 [OBD] 526NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 527FreeBSD 3.1 1999-02-15 [FBD] 528BSD/OS 4.0.1 1999-03-xx [BSDI] 529NetBSD 1.4 1999-05-12 [NBD] 530FreeBSD 3.2 1999-05-17 [FBD] 531OpenBSD 2.5 1999-05-19 [OBD] 532NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 533FreeBSD 3.3 1999-09-17 [FBD] 534OpenBSD 2.6 1999-12-01 [OBD] 535FreeBSD 3.4 1999-12-20 [FBD] 536BSD/OS 4.1 1999-12-xx [BSDI] 537FreeBSD 4.0 2000-03-13 [FBD] 538NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 539OpenBSD 2.7 2000-06-15 [OBD] 540FreeBSD 3.5 2000-06-24 [FBD] 541FreeBSD 4.1 2000-07-27 [FBD] 542FreeBSD 3.5.1 2000-07-28 [FBD] 543FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 544FreeBSD 4.2 2000-11-21 [FBD] 545NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 546BSD/OS 4.2 2000-11-29 [BSDI] 547OpenBSD 2.8 2000-12-01 [OBD] 548NetBSD 1.5 2000-12-06 [NBD] 549Mac OS X 10.0 2001-03-24 [APL] 550FreeBSD 4.3 2001-04-20 [FBD] 551OpenBSD 2.9 2001-06-01 [OBD] 552NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 553NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 554FreeBSD 4.4 2001-09-18 [FBD] 555Mac OS X 10.1 2001-09-29 [APL] 556OpenBSD 3.0 2001-12-01 [OBD] 557FreeBSD 4.5 2002-01-29 [FBD] 558BSD/OS 4.3 2002-03-14 [WRS] 559OpenBSD 3.1 2002-05-19 [OBD] 560FreeBSD 4.6 2002-06-15 [FBD] 561NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 562FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 563Mac OS X 10.2 2002-08-23 [APL] 564NetBSD 1.6 2002-09-14 [NBD] 565FreeBSD 4.7 2002-10-08 [FBD] 566OpenBSD 3.2 2002-11-01 [OBD] 567FreeBSD 5.0 2003-01-17 [FBD] 568 FreeBSD 5.0 is a separate branch off of 569 -current, similar to 3.0. 570FreeBSD 4.8 2003-04-03 [FBD] 571NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 572OpenBSD 3.3 2003-05-01 [OBD] 573BSD/OS 5.0 2003-05-?? [WRS] 574FreeBSD 5.1 2003-06-09 [FBD] 575Mac OS X 10.3 2003-10-24 [APL] 576FreeBSD 4.9 2003-10-28 [FBD] 577BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 578OpenBSD 3.4 2003-11-01 [OBD] 579FreeBSD 5.2 2004-01-12 [FBD] 580FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 581NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 582OpenBSD 3.5 2004-04-01 [OBD] 583FreeBSD 4.10 2004-05-27 [FBD] 584DragonFly 1.0 2004-07-12 [DFB] 585OpenBSD 3.6 2004-10-29 [OBD] 586FreeBSD 5.3 2004-11-06 [FBD] 587NetBSD 2.0 2004-12-09 [NBD] 588FreeBSD 4.11 2005-01-25 [FBD] 589DragonFly 1.2.0 2005-04-08 [DFB] 590NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 591Mac OS X 10.4 2005-04-29 [APL] 592FreeBSD 5.4 2005-05-09 [FBD] 593OpenBSD 3.7 2005-05-19 [OBD] 594NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 595OpenBSD 3.8 2005-11-01 [OBD] 596FreeBSD 6.0 2005-11-01 [FBD] 597NetBSD 2.1 2005-11-02 [NBD] 598NetBSD 3.0 2005-12-23 [NBD] 599DragonFly 1.4.0 2006-01-08 [DFB] 600FreeBSD 2.2.9 2006-04-01 [FBD] 601OpenBSD 3.9 2006-05-01 [OBD] 602FreeBSD 6.1 2006-05-08 [FBD] 603FreeBSD 5.5 2006-05-25 [FBD] 604NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 605DragonFly 1.6.0 2006-07-24 [DFB] 606OpenBSD 4.0 2006-11-01 [OBD] 607NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 608NetBSD 3.1 2006-11-04 [NBD] 609FreeBSD 6.2 2007-01-15 [FBD] 610DragonFly 1.8.0 2007-01-30 [DFB] 611OpenBSD 4.1 2007-05-01 [OBD] 612DragonFly 1.10.0 2007-08-06 [DFB] 613Mac OS X 10.5 2007-10-26 [APL] 614OpenBSD 4.2 2007-11-01 [OBD] 615NetBSD 4.0 2007-12-19 [NBD] 616FreeBSD 6.3 2008-01-18 [FBD] 617DragonFly 1.12.0 2008-02-26 [DFB] 618FreeBSD 7.0 2008-02-27 [FBD] 619OpenBSD 4.3 2008-05-01 [OBD] 620DragonFly 2.0.0 2008-07-21 [DFB] 621OpenBSD 4.4 2008-11-01 [OBD] 622FreeBSD 6.4 2008-11-28 [FBD] 623FreeBSD 7.1 2009-01-04 [FBD] 624DragonFly 2.2.0 2009-02-17 [DFB] 625NetBSD 5.0 2009-04-29 [NBD] 626OpenBSD 4.5 2009-05-01 [OBD] 627FreeBSD 7.2 2009-05-04 [FBD] 628Mac OS X 10.6 2009-06-08 [APL] 629NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 630DragonFly 2.4.0 2009-09-16 [DFB] 631OpenBSD 4.6 2009-10-18 [OBD] 632FreeBSD 8.0 2009-11-26 [FBD] 633NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 634FreeBSD 7.3 2010-03-23 [FBD] 635DragonFly 2.6.0 2010-03-28 [DFB] 636OpenBSD 4.7 2010-05-19 [OBD] 637FreeBSD 8.1 2010-07-24 [FBD] 638DragonFly 2.8.2 2010-10-30 [DFB] 639OpenBSD 4.8 2010-11-01 [OBD] 640NetBSD 5.1 2010-11-19 [NBD] 641FreeBSD 7.4 2011-02-24 [FBD] 642FreeBSD 8.2 2011-02-24 [FBD] 643DragonFly 2.10.1 2011-04-26 [DFB] 644OpenBSD 4.9 2011-05-01 [OBD] 645Mac OS X 10.7 2011-07-20 [APL] 646OpenBSD 5.0 2011-11-01 [OBD] 647FreeBSD 9.0 2012-01-12 [FBD] 648NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 649DragonFly 3.0.1 2012-02-21 [DFB] 650FreeBSD 8.3 2012-04-18 [FBD] 651OpenBSD 5.1 2012-05-01 [OBD] 652Mac OS X 10.8 2012-07-25 [APL] 653NetBSD 6.0 2012-10-17 [NBD] 654OpenBSD 5.2 2012-11-01 [OBD] 655DragonFly 3.2.1 2012-11-02 [DFB] 656NetBSD 5.2 2012-12-03 [NBD] 657NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 658FreeBSD 9.1 2012-12-30 [FBD] 659DragonFly 3.4.1 2013-04-29 [DFB] 660OpenBSD 5.3 2013-05-01 [OBD] 661NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 662NetBSD 6.1 2013-05-18 [NBD] 663FreeBSD 8.4 2013-06-07 [FBD] 664NetBSD 6.1.1 2013-08-22 [NBD] 665NetBSD 5.1.3 2013-09-29 [NBD] 666NetBSD 5.2.1 2013-09-29 [NBD] 667FreeBSD 9.2 2013-09-30 [FBD] 668NetBSD 6.0.3 2013-09-30 [NBD] 669NetBSD 6.1.2 2013-09-30 [NBD] 670Mac OS X 10.9 2013-10-22 [APL] 671OpenBSD 5.4 2013-11-01 [OBD] 672DragonFly 3.6.0 2013-11-25 [DFB] 673FreeBSD 10.0 2014-01-20 [FBD] 674NetBSD 5.1.4 2014-01-25 [NBD] 675NetBSD 5.2.2 2014-01-25 [NBD] 676NetBSD 6.0.4 2014-01-25 [NBD] 677NetBSD 6.1.3 2014-01-25 [NBD] 678DragonFly 3.6.1 2014-02-22 [DFB] 679DragonFly 3.6.2 2014-04-10 [DFB] 680NetBSD 6.0.5 2014-04-12 [NDB] 681NetBSD 6.1.4 2014-04-12 [NDB] 682OpenBSD 5.5 2014-05-01 [OBD] 683DragonFly 3.8.0 2014-06-04 [DFB] 684DragonFly 3.8.1 2014-06-16 [DFB] 685DragonFly 3.6.3 2014-06-17 [DFB] 686FreeBSD 9.3 2014-07-05 [FBD] 687DragonFly 3.8.2 2014-08-08 [DFB] 688NetBSD 6.1.5 2014-09-22 [NBD] 689Mac OS X 10.10 2014-10-16 [APL] 690OpenBSD 5.6 2014-11-01 [OBD] 691FreeBSD 10.1 2014-11-14 [FBD] 692DragonFly 4.0.1 2014-11-25 [DFB] 693DragonFly 4.0.2 2015-01-07 [DFB] 694DragonFly 4.0.3 2015-01-21 [DFB] 695DragonFly 4.0.4 2015-03-09 [DFB] 696DragonFly 4.0.5 2015-03-23 [DFB] 697OpenBSD 5.7 2015-05-01 [OBD] 698DragonFly 4.2.0 2015-06-29 [DFB] 699FreeBSD 10.2 2015-08-13 [FBD] 700NetBSD 7.0 2015-09-25 [NBD] 701OS X 10.11 2015-09-30 [APL] 702OpenBSD 5.8 2015-10-18 [OBD] 703DragonFly 4.4.1 2015-12-07 [DFB] 704OpenBSD 5.9 2016-03-29 [OBD] 705FreeBSD 10.3 2016-04-04 [FBD] 706NetBSD 7.0.1 2016-05-22 [NBD] 707DragonFly 4.6.0 2016-08-02 [DFB] 708OpenBSD 6.0 2016-09-01 [OBD] 709macOS 10.12 2016-09-20 [APL] 710FreeBSD 11.0 2016-10-10 [FBD] 711NetBSD 7.1 2017-03-11 [NBD] 712DragonFly 4.8.0 2017-03-27 [DFB] 713 714Bibliography 715------------------------ 716 717Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 718Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 719System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 720 721Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 722Company, Inc., 1994. ISBN 0-201-54777-5 723 724McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 725Quarterman. The Design and Implementation of the 4.4BSD Operating 726System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 727 728McKusick, Marshall Kirk, George Neville-Neil. The Design and 729Implementation of the FreeBSD Operating System. 730Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 731 732McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The 733Design and Implementation of the FreeBSD Operating System, 2nd Edition. 734Pearson Education, Inc., 2014. ISBN 0-321-96897-2 735 736Doug McIlroy. Research Unix Reader. 737 738Michael G. Brown. The Role of BSD in the Development of Unix. 739Presented to the Tasmanian Unix Special Interest Group of the 740Australian Computer Society, Hobart, August 1993. 741 742Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 743URL: http://www.byte.com/art/9410/sec8/art3.htm 744 745Andreas Klemm, Lars Köller. If you're going to San Francisco ... 746Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 747 748BSD Release Announcements collection. 749URL: http://www.FreeBSD.org/releases/ 750 751BSD Hypertext Man Pages 752URL: http://www.FreeBSD.org/cgi/man.cgi 753 754UNIX history graphing project 755URL: http://minnie.tuhs.org/Unix_History/index.html 756 757UNIX history 758URL: http://www.levenez.com/unix/ 759 760James Howard: The BSD Family Tree 761URL: http://ezine.daemonnews.org/200104/bsd_family.html 762("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 763 764 765Acknowledgments 766--------------- 767 768Josh Gilliam for suggestions, bug fixes, and finding very old 769original BSD announcements from Usenet or tapes. 770 771Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 772 773-- 774Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 775URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 776 777$FreeBSD$ 778