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 | | | | DragonFly 3.8.0 307 | | | | | 308 | | | | | 309 | | | | | 310 | | | | | 311 | | | | | 312 | | | | | 313 | | | | | 314 | | | | | 315 | | | | | 316 | | | | | 317FreeBSD 11 -current | NetBSD -current OpenBSD -current DragonFly -current 318 | | | | | 319 v v v v v 320 321Time 322---------------- 323 324Time tolerance +/- 6 months, depending on which book/article you read; if it 325was the announcement in Usenet or if it was available as tape. 326 327[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 328 and John Quarterman. The Design and Implementation of 329 the 4.4BSD Operating System. 330[APL] Apple website [http://www.apple.com/macosx/] 331[BSDI] Berkeley Software Design, Inc. 332[DFB] DragonFlyBSD Project, The. 333[DOC] README, COPYRIGHT on tape. 334[FBD] FreeBSD Project, The. 335[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 336 Volume 11, Info 4, April, 1987. 337[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 338 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 339[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 340 Changes in the Kernel in 2.9BSD. Second Berkeley Software 341 Distribution UNIX Version 2.9, July, 1983. 342[NBD] NetBSD Project, The. 343[OBD] OpenBSD Project, The. 344[QCU] Salus, Peter H. A quarter century of UNIX. 345[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 346[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 347[USE] Usenet announcement. 348[WRS] Wind River Systems, Inc. 349[dmr] Dennis Ritchie, via E-Mail 350 351Multics 1965 352UNIX Summer 1969 353 DEC PDP-7 354First Edition 1971-11-03 [QCU] 355 DEC PDP-11/20, Assembler 356Second Edition 1972-06-12 [QCU] 357 10 UNIX installations 358Third Edition 1973-02-xx [QCU] 359 Pipes, 16 installations 360Fourth Edition 1973-11-xx [QCU] 361 rewriting in C effected, 362 above 30 installations 363Fifth Edition 1974-06-xx [QCU] 364 above 50 installations 365Sixth Edition 1975-05-xx [QCU] 366 port to DEC Vax 367Seventh Edition 1979-01-xx [QCU] 368 first portable UNIX 369Eighth Edition 1985-02-xx [QCU] 370 VAX 11/750, VAX 11/780 [dmr] 371 descended from 4.1c BSD [dmr] 372 descended from 4.1 BSD [44B] 373 scooping-out and replacement of the character-device 374 and networking part by the streams mechanism 375 376Ninth Edition 1986-09-xx [QCU] 377Tenth Edition 1989-10-xx [QCU] 378 3791BSD late 1977 380 1978-03-09 [QCU] 381 PDP-11, Pascal, ex(1) 382 30 free copies of 1BSD sent out 383 35 tapes sold for 50 USD [QCU] 3842BSD mid 1978 [QCU] 1979-05-10 [TUHS] 385 75 2BSD tapes shipped 3862.79BSD 1980-04-xx [TUHS] 3872.8BSD 1981-07-xx [KSJ] 388 3892.8.1BSD 1982-01-xx [QCU] 390 set of performance improvements 3912.9BSD 1983-07-xx [KSJ] 3922.9.1BSD 1983-11-xx [TUHS] 3932.9BSD-Seismo 1985-08-xx [SMS] 3942.10BSD 1987-04-xx [KKK] 3952.10.1BSD 1989-01-xx [SMS] 3962.11BSD 1992-02-xx [SMS] 3972.11BSD rev #430 1999-12-13 [SMS] 398 39932V 1978-1[01]-xx [QCU] 4003BSD late 1979 [QCU] March 1980 [TUHS] 401 virtual memory, page replacement, 402 demand paging 4034.0BSD 1980-10-xx 4044.1BSD 1981-07-08 [DOC] 4054.1aBSD 1982-04-xx 406 alpha release, 100 sites, networking [44B] 4074.1bBSD internal release, fast filesystem [44B] 4084.1cBSD late 1982 409 beta release, IPC [44B] 4104.2BSD 1983-09-xx [QCU] 411 1983-08-03 [DOC] 4124.3BSD 1986-06-xx [QCU] 413 1986-04-05 [KB], [DOC] 4144.3BSD Tahoe 1988-06-15 [QCU], [DOC] 4154.3BSD NET/1 1988-11-xx [QCU] 416 1989-01-01 [DOC] 4174.3BSD Reno 1990-06-29 [QCU], [DOC] 4184.3BSD NET/2 1991-06-28 [QCU], [DOC] 419 420BSD/386 ALPHA 1991-12-xx [BSDI] 421 first code released to people outside BSDI 422386BSD 0.0 1992-02-xx [DOC] 423BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 424BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 425386BSD 0.1 1992-07-28 [DOC] 4264.4BSD Alpha 1992-07-07 427BSD/386 0.9.3 1992-10-xx [BSDI] 428 first external gamma; G customers 429BSD/386 0.9.4 1992-12-xx [BSDI] 430 would have been 1.0 except for request 431 for preliminary injunction 432BSD/386 1.0 1993-03-xx [BSDI] 433 injunction denied; first official release 434NetBSD 0.8 1993-04-20 [NBD] 4354.4BSD 1993-06-01 [USE] 436NetBSD 0.9 1993-08-23 [NBD] 437FreeBSD 1.0 1993-11-01 [FBD] 438FreeBSD 1.0.2 1993-11-14 [FBD] 439 supersedes 1.0 13 days after release. 440BSD/386 1.1 1994-02-xx [BSDI] 4414.4BSD Lite 1994-03-01 [USE] 442FreeBSD 1.1 1994-05-07 [FBD] 443FreeBSD 1.1.5 1994-06-30 [FBD] 444FreeBSD 1.1.5.1 1994-07-05 [FBD] 445 supersedes 1.1.5 5 days after release. 446NetBSD 1.0 1994-10-26 [NBD] 447386BSD 1.0 1994-11-12 [USE] 448FreeBSD 2.0 1994-11-23 [FBD] 449BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 450FreeBSD 2.0.5 1995-06-10 [FBD] 451BSD/OS 2.0.1 1995-06-xx [BSDI] 4524.4BSD Lite Release 2 1995-06-xx [44B] 453 the true final distribution from the CSRG 454FreeBSD 2.1.0 1995-11-19 [FBD] 455NetBSD 1.1 1995-11-26 [NBD] 456BSD/OS 2.1 1996-01-xx [BSDI] 457FreeBSD 2.1.5 1996-07-14 [FBD] 458NetBSD 1.2 1996-10-04 [NBD] 459OpenBSD 2.0 1996-10-18 [OBD] 460FreeBSD 2.1.6 1996-11-16 [FBD] 461FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 462Rhapsody 1997-xx-xx 463FreeBSD 2.1.7 1997-02-20 [FBD] 464BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 465FreeBSD 2.2.0 1997-03-16 [FBD] 466FreeBSD 2.2.1 1997-03-25 [FBD] 467FreeBSD 2.2.2 1997-05-16 [FBD] 468NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 469OpenBSD 2.1 1997-06-01 [OBD] 470FreeBSD 2.2.5 1997-10-22 [FBD] 471OpenBSD 2.2 1997-12-01 [OBD] 472NetBSD 1.3 1998-01-04 [NBD] 473FreeBSD 2.2.6 1998-03-25 [FBD] 474NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 475BSD/OS 3.1 1998-03-xx [BSDI] 476OpenBSD 2.3 1998-05-19 [OBD] 477NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 478FreeBSD 2.2.7 1998-07-22 [FBD] 479BSD/OS 4.0 1998-08-xx [BSDI] 480 2-lock MP support, ELF executables 481FreeBSD 3.0 1998-10-16 [FBD] 482 FreeBSD-3.0 is a snapshot from -current, 483 while 3.1 and 3.2 are from 3.x-stable which 484 was branched quite some time after 3.0-release 485FreeBSD 2.2.8 1998-11-29 [FBD] 486OpenBSD 2.4 1998-12-01 [OBD] 487NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 488FreeBSD 3.1 1999-02-15 [FBD] 489BSD/OS 4.0.1 1999-03-xx [BSDI] 490NetBSD 1.4 1999-05-12 [NBD] 491FreeBSD 3.2 1999-05-17 [FBD] 492OpenBSD 2.5 1999-05-19 [OBD] 493NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 494FreeBSD 3.3 1999-09-17 [FBD] 495OpenBSD 2.6 1999-12-01 [OBD] 496FreeBSD 3.4 1999-12-20 [FBD] 497BSD/OS 4.1 1999-12-xx [BSDI] 498FreeBSD 4.0 2000-03-13 [FBD] 499NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 500OpenBSD 2.7 2000-06-15 [OBD] 501FreeBSD 3.5 2000-06-24 [FBD] 502FreeBSD 4.1 2000-07-27 [FBD] 503FreeBSD 3.5.1 2000-07-28 [FBD] 504FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 505FreeBSD 4.2 2000-11-21 [FBD] 506NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 507BSD/OS 4.2 2000-11-29 [BSDI] 508OpenBSD 2.8 2000-12-01 [OBD] 509NetBSD 1.5 2000-12-06 [NBD] 510Mac OS X 10.0 2001-03-24 [APL] 511FreeBSD 4.3 2001-04-20 [FBD] 512OpenBSD 2.9 2001-06-01 [OBD] 513NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 514NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 515FreeBSD 4.4 2001-09-18 [FBD] 516Mac OS X 10.1 2001-09-29 [APL] 517OpenBSD 3.0 2001-12-01 [OBD] 518FreeBSD 4.5 2002-01-29 [FBD] 519BSD/OS 4.3 2002-03-14 [WRS] 520OpenBSD 3.1 2002-05-19 [OBD] 521FreeBSD 4.6 2002-06-15 [FBD] 522NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 523FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 524Mac OS X 10.2 2002-08-23 [APL] 525NetBSD 1.6 2002-09-14 [NBD] 526FreeBSD 4.7 2002-10-08 [FBD] 527OpenBSD 3.2 2002-11-01 [OBD] 528FreeBSD 5.0 2003-01-17 [FBD] 529 FreeBSD 5.0 is a separate branch off of 530 -current, similar to 3.0. 531FreeBSD 4.8 2003-04-03 [FBD] 532NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 533OpenBSD 3.3 2003-05-01 [OBD] 534BSD/OS 5.0 2003-05-?? [WRS] 535FreeBSD 5.1 2003-06-09 [FBD] 536Mac OS X 10.3 2003-10-24 [APL] 537FreeBSD 4.9 2003-10-28 [FBD] 538BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 539OpenBSD 3.4 2003-11-01 [OBD] 540FreeBSD 5.2 2004-01-12 [FBD] 541FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 542NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 543OpenBSD 3.5 2004-04-01 [OBD] 544FreeBSD 4.10 2004-05-27 [FBD] 545DragonFly 1.0 2004-07-12 [DFB] 546OpenBSD 3.6 2004-10-29 [OBD] 547FreeBSD 5.3 2004-11-06 [FBD] 548NetBSD 2.0 2004-12-09 [NBD] 549FreeBSD 4.11 2005-01-25 [FBD] 550DragonFly 1.2.0 2005-04-08 [DFB] 551NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 552Mac OS X 10.4 2005-04-29 [APL] 553FreeBSD 5.4 2005-05-09 [FBD] 554OpenBSD 3.7 2005-05-19 [OBD] 555NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 556OpenBSD 3.8 2005-11-01 [OBD] 557FreeBSD 6.0 2005-11-01 [FBD] 558NetBSD 2.1 2005-11-02 [NBD] 559NetBSD 3.0 2005-12-23 [NBD] 560DragonFly 1.4.0 2006-01-08 [DFB] 561FreeBSD 2.2.9 2006-04-01 [FBD] 562OpenBSD 3.9 2006-05-01 [OBD] 563FreeBSD 6.1 2006-05-08 [FBD] 564FreeBSD 5.5 2006-05-25 [FBD] 565NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 566DragonFly 1.6.0 2006-07-24 [DFB] 567OpenBSD 4.0 2006-11-01 [OBD] 568NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 569NetBSD 3.1 2006-11-04 [NBD] 570FreeBSD 6.2 2007-01-15 [FBD] 571DragonFly 1.8.0 2007-01-30 [DFB] 572OpenBSD 4.1 2007-05-01 [OBD] 573DragonFly 1.10.0 2007-08-06 [DFB] 574Mac OS X 10.5 2007-10-26 [APL] 575OpenBSD 4.2 2007-11-01 [OBD] 576NetBSD 4.0 2007-12-19 [NBD] 577FreeBSD 6.3 2008-01-18 [FBD] 578DragonFly 1.12.0 2008-02-26 [DFB] 579FreeBSD 7.0 2008-02-27 [FBD] 580OpenBSD 4.3 2008-05-01 [OBD] 581DragonFly 2.0.0 2008-07-21 [DFB] 582OpenBSD 4.4 2008-11-01 [OBD] 583FreeBSD 6.4 2008-11-28 [FBD] 584FreeBSD 7.1 2009-01-04 [FBD] 585DragonFly 2.2.0 2009-02-17 [DFB] 586NetBSD 5.0 2009-04-29 [NBD] 587OpenBSD 4.5 2009-05-01 [OBD] 588FreeBSD 7.2 2009-05-04 [FBD] 589Mac OS X 10.6 2009-06-08 [APL] 590NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 591DragonFly 2.4.0 2009-09-16 [DFB] 592OpenBSD 4.6 2009-10-18 [OBD] 593FreeBSD 8.0 2009-11-26 [FBD] 594NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 595FreeBSD 7.3 2010-03-23 [FBD] 596DragonFly 2.6.0 2010-03-28 [DFB] 597OpenBSD 4.7 2010-05-19 [OBD] 598FreeBSD 8.1 2010-07-24 [FBD] 599DragonFly 2.8.2 2010-10-30 [DFB] 600OpenBSD 4.8 2010-11-01 [OBD] 601NetBSD 5.1 2010-11-19 [NBD] 602FreeBSD 7.4 2011-02-24 [FBD] 603FreeBSD 8.2 2011-02-24 [FBD] 604DragonFly 2.10.1 2011-04-26 [DFB] 605OpenBSD 4.9 2011-05-01 [OBD] 606Mac OS X 10.7 2011-07-20 [APL] 607OpenBSD 5.0 2011-11-01 [OBD] 608FreeBSD 9.0 2012-01-12 [FBD] 609NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 610DragonFly 3.0.1 2012-02-21 [DFB] 611FreeBSD 8.3 2012-04-18 [FBD] 612OpenBSD 5.1 2012-05-01 [OBD] 613Mac OS X 10.8 2012-07-25 [APL] 614NetBSD 6.0 2012-10-17 [NBD] 615OpenBSD 5.2 2012-11-01 [OBD] 616DragonFly 3.2.1 2012-11-02 [DFB] 617NetBSD 5.2 2012-12-03 [NBD] 618NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 619FreeBSD 9.1 2012-12-30 [FBD] 620DragonFly 3.4.1 2013-04-29 [DFB] 621OpenBSD 5.3 2013-05-01 [OBD] 622NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 623NetBSD 6.1 2013-05-18 [NBD] 624FreeBSD 8.4 2013-06-07 [FBD] 625NetBSD 6.1.1 2013-08-22 [NBD] 626NetBSD 5.1.3 2013-09-29 [NBD] 627NetBSD 5.2.1 2013-09-29 [NBD] 628FreeBSD 9.2 2013-09-30 [FBD] 629NetBSD 6.0.3 2013-09-30 [NBD] 630NetBSD 6.1.2 2013-09-30 [NBD] 631Mac OS X 10.9 2013-10-22 [APL] 632OpenBSD 5.4 2013-11-01 [OBD] 633DragonFly 3.6.0 2013-11-25 [DFB] 634FreeBSD 10.0 2014-01-20 [FBD] 635NetBSD 6.0.4 2014-01-27 [NBD] 636NetBSD 6.1.3 2014-01-27 [NBD] 637DragonFly 3.6.1 2014-02-22 [DFB] 638DragonFly 3.6.2 2014-04-10 [DFB] 639NetBSD 6.0.5 2014-04-19 [NDB] 640NetBSD 6.1.4 2014-04-19 [NDB] 641OpenBSD 5.5 2014-05-01 [OBD] 642DragonFly 3.8.0 2014-06-04 [DFB] 643 644Bibliography 645------------------------ 646 647Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 648Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 649System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 650 651Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 652Company, Inc., 1994. ISBN 0-201-54777-5 653 654McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 655Quarterman. The Design and Implementation of the 4.4BSD Operating 656System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 657 658McKusick, Marshall Kirk, George Neville-Neil. The Design and 659Implementation of the FreeBSD Operating System. 660Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 661 662Doug McIlroy. Research Unix Reader. 663 664Michael G. Brown. The Role of BSD in the Development of Unix. 665Presented to the Tasmanian Unix Special Interest Group of the 666Australian Computer Society, Hobart, August 1993. 667 668Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 669URL: http://www.byte.com/art/9410/sec8/art3.htm 670 671Andreas Klemm, Lars Köller. If you're going to San Francisco ... 672Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 673 674BSD Release Announcements collection. 675URL: http://www.FreeBSD.org/releases/ 676 677BSD Hypertext Man Pages 678URL: http://www.FreeBSD.org/cgi/man.cgi 679 680UNIX history graphing project 681URL: http://minnie.tuhs.org/Unix_History/index.html 682 683UNIX history 684URL: http://www.levenez.com/unix/ 685 686James Howard: The BSD Family Tree 687URL: http://ezine.daemonnews.org/200104/bsd_family.html 688("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 689 690 691Acknowledgments 692--------------- 693 694Josh Gilliam for suggestions, bug fixes, and finding very old 695original BSD announcements from Usenet or tapes. 696 697Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 698 699-- 700Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 701URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 702 703$FreeBSD: head/share/misc/bsd-family-tree 267099 2014-06-05 09:27:42Z maxim $ 704