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 | | | | | | OpenBSD 5.1 | 262 | | | Mac OS X | `----. | | 263 | | | 10.8 | \ | | 264 | | | | NetBSD 6.0 | | | 265 | | | | | | | | OpenBSD 5.2 DragonFly 3.2.1 266 | FreeBSD | | | | | NetBSD | | 267 | 9.1 | | | | | 5.2 | | 268 | | | | | | | | | | 269 | | | | | | | NetBSD | | 270 | | | | | | | 5.2.1 | | 271 | | | | | | | | | 272 | | | | | | \ | | 273 | | | | | | NetBSD | | 274 | | | | | | 6.0.1 | | 275 | | | | | | | | | 276 | | | | | | NetBSD | | 277 | | | | | | 6.0.2 | | 278 | | | | | | | OpenBSD 5.3 DragonFly 3.4.1 279 | | | | | | NetBSD | | 280 | | | | | | 6.0.3 | | 281 | | | | | | | | | 282 | | | | | | NetBSD | | 283 | | | | | | 6.0.4 | | 284 | | | | | | | | | 285 | | | | | | NetBSD | | 286 | | | | | | 6.0.5 | | 287 | | | | | | | | 288 | | | | | |`-NetBSD 6.1 | | 289 | | FreeBSD | | | | | 290 | | 8.4 | | NetBSD 6.1.1 | | 291 | | | | | | | 292 | FreeBSD | | NetBSD 6.1.2 | | 293 | 9.2 Mac OS X | | | | 294 | | 10.9 | | OpenBSD 5.4 | 295 | `-----. | | | | DragonFly 3.6.0 296 | \ | | | | | 297 *--FreeBSD | | | NetBSD 6.1.3 | | 298 | 10.0 | | | | | | 299 | | | | | | | DragonFly 3.6.1 300 | | | | | | | | 301 | | | | | | | | 302 | | | | | | | DragonFly 3.6.2 303 | | | | | NetBSD 6.1.4 | | 304 | | | | | | | | 305 | | | | | | OpenBSD 5.5 | 306 | | | | | | | | 307 | | | | | | | DragonFly 3.8.0 308 | | | | | | | | 309 | | | | | | | | 310 | | | | | | | DragonFly 3.8.1 311 | | | | | | | | 312 | | | | | | | | 313 | | | | | | | DragonFly 3.6.3 314 | | | | | | | | 315 | | FreeBSD | | | | | 316 | | 9.3 | | | | | 317 | | | | NetBSD 6.1.5 | DragonFly 3.8.2 318 | | Mac OS X | | | 319 | | 10.10 | | | 320 | | | | OpenBSD 5.6 | 321 | FreeBSD | | | | 322 | 10.1 | | | DragonFly 4.0.1 323 | | | | | 324 | | | | DragonFly 4.0.2 325 | | | | | 326 | | | | DragonFly 4.0.3 327 | | | | | 328 | | | | DragonFly 4.0.4 329 | | | | | 330 | | | | DragonFly 4.0.5 331 | | | | | 332 | | | OpenBSD 5.7 | 333 | | | | | 334 | | | | | 335FreeBSD 11 -current | NetBSD -current OpenBSD -current DragonFly -current 336 | | | | | 337 v v v v v 338 339Time 340---------------- 341 342Time tolerance +/- 6 months, depending on which book/article you read; if it 343was the announcement in Usenet or if it was available as tape. 344 345[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 346 and John Quarterman. The Design and Implementation of 347 the 4.4BSD Operating System. 348[APL] Apple website [http://www.apple.com/macosx/] 349[BSDI] Berkeley Software Design, Inc. 350[DFB] DragonFlyBSD Project, The. 351[DOC] README, COPYRIGHT on tape. 352[FBD] FreeBSD Project, The. 353[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 354 Volume 11, Info 4, April, 1987. 355[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 356 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 357[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 358 Changes in the Kernel in 2.9BSD. Second Berkeley Software 359 Distribution UNIX Version 2.9, July, 1983. 360[NBD] NetBSD Project, The. 361[OBD] OpenBSD Project, The. 362[QCU] Salus, Peter H. A quarter century of UNIX. 363[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 364[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 365[USE] Usenet announcement. 366[WRS] Wind River Systems, Inc. 367[dmr] Dennis Ritchie, via E-Mail 368 369Multics 1965 370UNIX Summer 1969 371 DEC PDP-7 372First Edition 1971-11-03 [QCU] 373 DEC PDP-11/20, Assembler 374Second Edition 1972-06-12 [QCU] 375 10 UNIX installations 376Third Edition 1973-02-xx [QCU] 377 Pipes, 16 installations 378Fourth Edition 1973-11-xx [QCU] 379 rewriting in C effected, 380 above 30 installations 381Fifth Edition 1974-06-xx [QCU] 382 above 50 installations 383Sixth Edition 1975-05-xx [QCU] 384 port to DEC Vax 385Seventh Edition 1979-01-xx [QCU] 386 first portable UNIX 387Eighth Edition 1985-02-xx [QCU] 388 VAX 11/750, VAX 11/780 [dmr] 389 descended from 4.1c BSD [dmr] 390 descended from 4.1 BSD [44B] 391 scooping-out and replacement of the character-device 392 and networking part by the streams mechanism 393 394Ninth Edition 1986-09-xx [QCU] 395Tenth Edition 1989-10-xx [QCU] 396 3971BSD late 1977 398 1978-03-09 [QCU] 399 PDP-11, Pascal, ex(1) 400 30 free copies of 1BSD sent out 401 35 tapes sold for 50 USD [QCU] 4022BSD mid 1978 [QCU] 1979-05-10 [TUHS] 403 75 2BSD tapes shipped 4042.79BSD 1980-04-xx [TUHS] 4052.8BSD 1981-07-xx [KSJ] 406 4072.8.1BSD 1982-01-xx [QCU] 408 set of performance improvements 4092.9BSD 1983-07-xx [KSJ] 4102.9.1BSD 1983-11-xx [TUHS] 4112.9BSD-Seismo 1985-08-xx [SMS] 4122.10BSD 1987-04-xx [KKK] 4132.10.1BSD 1989-01-xx [SMS] 4142.11BSD 1992-02-xx [SMS] 4152.11BSD rev #430 1999-12-13 [SMS] 416 41732V 1978-1[01]-xx [QCU] 4183BSD late 1979 [QCU] March 1980 [TUHS] 419 virtual memory, page replacement, 420 demand paging 4214.0BSD 1980-10-xx 4224.1BSD 1981-07-08 [DOC] 4234.1aBSD 1982-04-xx 424 alpha release, 100 sites, networking [44B] 4254.1bBSD internal release, fast filesystem [44B] 4264.1cBSD late 1982 427 beta release, IPC [44B] 4284.2BSD 1983-09-xx [QCU] 429 1983-08-03 [DOC] 4304.3BSD 1986-06-xx [QCU] 431 1986-04-05 [KB], [DOC] 4324.3BSD Tahoe 1988-06-15 [QCU], [DOC] 4334.3BSD NET/1 1988-11-xx [QCU] 434 1989-01-01 [DOC] 4354.3BSD Reno 1990-06-29 [QCU], [DOC] 4364.3BSD NET/2 1991-06-28 [QCU], [DOC] 437 438BSD/386 ALPHA 1991-12-xx [BSDI] 439 first code released to people outside BSDI 440386BSD 0.0 1992-02-xx [DOC] 441BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 442BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 443386BSD 0.1 1992-07-28 [DOC] 4444.4BSD Alpha 1992-07-07 445BSD/386 0.9.3 1992-10-xx [BSDI] 446 first external gamma; G customers 447BSD/386 0.9.4 1992-12-xx [BSDI] 448 would have been 1.0 except for request 449 for preliminary injunction 450BSD/386 1.0 1993-03-xx [BSDI] 451 injunction denied; first official release 452NetBSD 0.8 1993-04-20 [NBD] 4534.4BSD 1993-06-01 [USE] 454NetBSD 0.9 1993-08-23 [NBD] 455FreeBSD 1.0 1993-11-01 [FBD] 456FreeBSD 1.0.2 1993-11-14 [FBD] 457 supersedes 1.0 13 days after release. 458BSD/386 1.1 1994-02-xx [BSDI] 4594.4BSD Lite 1994-03-01 [USE] 460FreeBSD 1.1 1994-05-07 [FBD] 461FreeBSD 1.1.5 1994-06-30 [FBD] 462FreeBSD 1.1.5.1 1994-07-05 [FBD] 463 supersedes 1.1.5 5 days after release. 464NetBSD 1.0 1994-10-26 [NBD] 465386BSD 1.0 1994-11-12 [USE] 466FreeBSD 2.0 1994-11-23 [FBD] 467BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 468FreeBSD 2.0.5 1995-06-10 [FBD] 469BSD/OS 2.0.1 1995-06-xx [BSDI] 4704.4BSD Lite Release 2 1995-06-xx [44B] 471 the true final distribution from the CSRG 472FreeBSD 2.1.0 1995-11-19 [FBD] 473NetBSD 1.1 1995-11-26 [NBD] 474BSD/OS 2.1 1996-01-xx [BSDI] 475FreeBSD 2.1.5 1996-07-14 [FBD] 476NetBSD 1.2 1996-10-04 [NBD] 477OpenBSD 2.0 1996-10-18 [OBD] 478FreeBSD 2.1.6 1996-11-16 [FBD] 479FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 480Rhapsody 1997-xx-xx 481FreeBSD 2.1.7 1997-02-20 [FBD] 482BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 483FreeBSD 2.2.0 1997-03-16 [FBD] 484FreeBSD 2.2.1 1997-03-25 [FBD] 485FreeBSD 2.2.2 1997-05-16 [FBD] 486NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 487OpenBSD 2.1 1997-06-01 [OBD] 488FreeBSD 2.2.5 1997-10-22 [FBD] 489OpenBSD 2.2 1997-12-01 [OBD] 490NetBSD 1.3 1998-01-04 [NBD] 491FreeBSD 2.2.6 1998-03-25 [FBD] 492NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 493BSD/OS 3.1 1998-03-xx [BSDI] 494OpenBSD 2.3 1998-05-19 [OBD] 495NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 496FreeBSD 2.2.7 1998-07-22 [FBD] 497BSD/OS 4.0 1998-08-xx [BSDI] 498 2-lock MP support, ELF executables 499FreeBSD 3.0 1998-10-16 [FBD] 500 FreeBSD-3.0 is a snapshot from -current, 501 while 3.1 and 3.2 are from 3.x-stable which 502 was branched quite some time after 3.0-release 503FreeBSD 2.2.8 1998-11-29 [FBD] 504OpenBSD 2.4 1998-12-01 [OBD] 505NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 506FreeBSD 3.1 1999-02-15 [FBD] 507BSD/OS 4.0.1 1999-03-xx [BSDI] 508NetBSD 1.4 1999-05-12 [NBD] 509FreeBSD 3.2 1999-05-17 [FBD] 510OpenBSD 2.5 1999-05-19 [OBD] 511NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 512FreeBSD 3.3 1999-09-17 [FBD] 513OpenBSD 2.6 1999-12-01 [OBD] 514FreeBSD 3.4 1999-12-20 [FBD] 515BSD/OS 4.1 1999-12-xx [BSDI] 516FreeBSD 4.0 2000-03-13 [FBD] 517NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 518OpenBSD 2.7 2000-06-15 [OBD] 519FreeBSD 3.5 2000-06-24 [FBD] 520FreeBSD 4.1 2000-07-27 [FBD] 521FreeBSD 3.5.1 2000-07-28 [FBD] 522FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 523FreeBSD 4.2 2000-11-21 [FBD] 524NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 525BSD/OS 4.2 2000-11-29 [BSDI] 526OpenBSD 2.8 2000-12-01 [OBD] 527NetBSD 1.5 2000-12-06 [NBD] 528Mac OS X 10.0 2001-03-24 [APL] 529FreeBSD 4.3 2001-04-20 [FBD] 530OpenBSD 2.9 2001-06-01 [OBD] 531NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 532NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 533FreeBSD 4.4 2001-09-18 [FBD] 534Mac OS X 10.1 2001-09-29 [APL] 535OpenBSD 3.0 2001-12-01 [OBD] 536FreeBSD 4.5 2002-01-29 [FBD] 537BSD/OS 4.3 2002-03-14 [WRS] 538OpenBSD 3.1 2002-05-19 [OBD] 539FreeBSD 4.6 2002-06-15 [FBD] 540NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 541FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 542Mac OS X 10.2 2002-08-23 [APL] 543NetBSD 1.6 2002-09-14 [NBD] 544FreeBSD 4.7 2002-10-08 [FBD] 545OpenBSD 3.2 2002-11-01 [OBD] 546FreeBSD 5.0 2003-01-17 [FBD] 547 FreeBSD 5.0 is a separate branch off of 548 -current, similar to 3.0. 549FreeBSD 4.8 2003-04-03 [FBD] 550NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 551OpenBSD 3.3 2003-05-01 [OBD] 552BSD/OS 5.0 2003-05-?? [WRS] 553FreeBSD 5.1 2003-06-09 [FBD] 554Mac OS X 10.3 2003-10-24 [APL] 555FreeBSD 4.9 2003-10-28 [FBD] 556BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 557OpenBSD 3.4 2003-11-01 [OBD] 558FreeBSD 5.2 2004-01-12 [FBD] 559FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 560NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 561OpenBSD 3.5 2004-04-01 [OBD] 562FreeBSD 4.10 2004-05-27 [FBD] 563DragonFly 1.0 2004-07-12 [DFB] 564OpenBSD 3.6 2004-10-29 [OBD] 565FreeBSD 5.3 2004-11-06 [FBD] 566NetBSD 2.0 2004-12-09 [NBD] 567FreeBSD 4.11 2005-01-25 [FBD] 568DragonFly 1.2.0 2005-04-08 [DFB] 569NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 570Mac OS X 10.4 2005-04-29 [APL] 571FreeBSD 5.4 2005-05-09 [FBD] 572OpenBSD 3.7 2005-05-19 [OBD] 573NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 574OpenBSD 3.8 2005-11-01 [OBD] 575FreeBSD 6.0 2005-11-01 [FBD] 576NetBSD 2.1 2005-11-02 [NBD] 577NetBSD 3.0 2005-12-23 [NBD] 578DragonFly 1.4.0 2006-01-08 [DFB] 579FreeBSD 2.2.9 2006-04-01 [FBD] 580OpenBSD 3.9 2006-05-01 [OBD] 581FreeBSD 6.1 2006-05-08 [FBD] 582FreeBSD 5.5 2006-05-25 [FBD] 583NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 584DragonFly 1.6.0 2006-07-24 [DFB] 585OpenBSD 4.0 2006-11-01 [OBD] 586NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 587NetBSD 3.1 2006-11-04 [NBD] 588FreeBSD 6.2 2007-01-15 [FBD] 589DragonFly 1.8.0 2007-01-30 [DFB] 590OpenBSD 4.1 2007-05-01 [OBD] 591DragonFly 1.10.0 2007-08-06 [DFB] 592Mac OS X 10.5 2007-10-26 [APL] 593OpenBSD 4.2 2007-11-01 [OBD] 594NetBSD 4.0 2007-12-19 [NBD] 595FreeBSD 6.3 2008-01-18 [FBD] 596DragonFly 1.12.0 2008-02-26 [DFB] 597FreeBSD 7.0 2008-02-27 [FBD] 598OpenBSD 4.3 2008-05-01 [OBD] 599DragonFly 2.0.0 2008-07-21 [DFB] 600OpenBSD 4.4 2008-11-01 [OBD] 601FreeBSD 6.4 2008-11-28 [FBD] 602FreeBSD 7.1 2009-01-04 [FBD] 603DragonFly 2.2.0 2009-02-17 [DFB] 604NetBSD 5.0 2009-04-29 [NBD] 605OpenBSD 4.5 2009-05-01 [OBD] 606FreeBSD 7.2 2009-05-04 [FBD] 607Mac OS X 10.6 2009-06-08 [APL] 608NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 609DragonFly 2.4.0 2009-09-16 [DFB] 610OpenBSD 4.6 2009-10-18 [OBD] 611FreeBSD 8.0 2009-11-26 [FBD] 612NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 613FreeBSD 7.3 2010-03-23 [FBD] 614DragonFly 2.6.0 2010-03-28 [DFB] 615OpenBSD 4.7 2010-05-19 [OBD] 616FreeBSD 8.1 2010-07-24 [FBD] 617DragonFly 2.8.2 2010-10-30 [DFB] 618OpenBSD 4.8 2010-11-01 [OBD] 619NetBSD 5.1 2010-11-19 [NBD] 620FreeBSD 7.4 2011-02-24 [FBD] 621FreeBSD 8.2 2011-02-24 [FBD] 622DragonFly 2.10.1 2011-04-26 [DFB] 623OpenBSD 4.9 2011-05-01 [OBD] 624Mac OS X 10.7 2011-07-20 [APL] 625OpenBSD 5.0 2011-11-01 [OBD] 626FreeBSD 9.0 2012-01-12 [FBD] 627NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 628DragonFly 3.0.1 2012-02-21 [DFB] 629FreeBSD 8.3 2012-04-18 [FBD] 630OpenBSD 5.1 2012-05-01 [OBD] 631Mac OS X 10.8 2012-07-25 [APL] 632NetBSD 6.0 2012-10-17 [NBD] 633OpenBSD 5.2 2012-11-01 [OBD] 634DragonFly 3.2.1 2012-11-02 [DFB] 635NetBSD 5.2 2012-12-03 [NBD] 636NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 637FreeBSD 9.1 2012-12-30 [FBD] 638DragonFly 3.4.1 2013-04-29 [DFB] 639OpenBSD 5.3 2013-05-01 [OBD] 640NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 641NetBSD 6.1 2013-05-18 [NBD] 642FreeBSD 8.4 2013-06-07 [FBD] 643NetBSD 6.1.1 2013-08-22 [NBD] 644NetBSD 5.1.3 2013-09-29 [NBD] 645NetBSD 5.2.1 2013-09-29 [NBD] 646FreeBSD 9.2 2013-09-30 [FBD] 647NetBSD 6.0.3 2013-09-30 [NBD] 648NetBSD 6.1.2 2013-09-30 [NBD] 649Mac OS X 10.9 2013-10-22 [APL] 650OpenBSD 5.4 2013-11-01 [OBD] 651DragonFly 3.6.0 2013-11-25 [DFB] 652FreeBSD 10.0 2014-01-20 [FBD] 653NetBSD 6.0.4 2014-01-27 [NBD] 654NetBSD 6.1.3 2014-01-27 [NBD] 655DragonFly 3.6.1 2014-02-22 [DFB] 656DragonFly 3.6.2 2014-04-10 [DFB] 657NetBSD 6.0.5 2014-04-19 [NDB] 658NetBSD 6.1.4 2014-04-19 [NDB] 659OpenBSD 5.5 2014-05-01 [OBD] 660DragonFly 3.8.0 2014-06-04 [DFB] 661DragonFly 3.8.1 2014-06-16 [DFB] 662DragonFly 3.6.3 2014-06-17 [DFB] 663FreeBSD 9.3 2014-07-05 [FBD] 664DragonFly 3.8.2 2014-08-08 [DFB] 665NetBSD 6.1.5 2014-09-22 [NBD] 666Mac OS X 10.10 2014-10-16 [APL] 667OpenBSD 5.6 2014-11-01 [OBD] 668FreeBSD 10.1 2014-11-14 [FBD] 669DragonFly 4.0.1 2014-11-25 [DFB] 670DragonFly 4.0.2 2015-01-07 [DFB] 671DragonFly 4.0.3 2015-01-21 [DFB] 672DragonFly 4.0.4 2015-03-09 [DFB] 673DragonFly 4.0.5 2015-03-23 [DFB] 674OpenBSD 5.7 2015-05-01 [OBD] 675 676Bibliography 677------------------------ 678 679Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 680Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 681System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 682 683Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 684Company, Inc., 1994. ISBN 0-201-54777-5 685 686McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 687Quarterman. The Design and Implementation of the 4.4BSD Operating 688System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 689 690McKusick, Marshall Kirk, George Neville-Neil. The Design and 691Implementation of the FreeBSD Operating System. 692Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 693 694McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The 695Design and Implementation of the FreeBSD Operating System, 2nd Edition. 696Pearson Education, Inc., 2014. ISBN 0-321-96897-2 697 698Doug McIlroy. Research Unix Reader. 699 700Michael G. Brown. The Role of BSD in the Development of Unix. 701Presented to the Tasmanian Unix Special Interest Group of the 702Australian Computer Society, Hobart, August 1993. 703 704Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 705URL: http://www.byte.com/art/9410/sec8/art3.htm 706 707Andreas Klemm, Lars Köller. If you're going to San Francisco ... 708Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 709 710BSD Release Announcements collection. 711URL: http://www.FreeBSD.org/releases/ 712 713BSD Hypertext Man Pages 714URL: http://www.FreeBSD.org/cgi/man.cgi 715 716UNIX history graphing project 717URL: http://minnie.tuhs.org/Unix_History/index.html 718 719UNIX history 720URL: http://www.levenez.com/unix/ 721 722James Howard: The BSD Family Tree 723URL: http://ezine.daemonnews.org/200104/bsd_family.html 724("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 725 726 727Acknowledgments 728--------------- 729 730Josh Gilliam for suggestions, bug fixes, and finding very old 731original BSD announcements from Usenet or tapes. 732 733Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 734 735-- 736Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 737URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 738 739$FreeBSD: head/share/misc/bsd-family-tree 282518 2015-05-06 01:29:31Z osa $ 740