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 | v | | | | | | 114 | FreeBSD 2.2.8 | | | | | | 115 | | | | | OpenBSD 2.4 | 116FreeBSD 3.0 <--------* | | v | | 117 | | | NetBSD 1.3.3 | | 118 *---FreeBSD 3.1 | | | | 119 | | | | | BSD/OS 4.0.1 120 | FreeBSD 3.2----* | NetBSD 1.4 OpenBSD 2.5 | 121 | | | | | | | | | 122 | | | | | | | | | 123 | | | | | | | | | 124 | FreeBSD 3.3 | | | | NetBSD 1.4.1 | | 125 | | | | | | | OpenBSD 2.6 | 126 | FreeBSD 3.4 | | | | | | | 127 | | | | | | | | BSD/OS 4.1 128FreeBSD 4.0 | | | | | NetBSD 1.4.2 | | 129 | | | | | | | | | 130 | | | | | | | | | 131 | FreeBSD 3.5 | | | | | OpenBSD 2.7 | 132 | | | | | | | | | 133 | FreeBSD 3.5.1 | | | | | | | 134 | | | | | | | | 135 *---FreeBSD 4.1 | | | | | | | 136 | | | | (?) | | | | 137 | FreeBSD 4.1.1 | | / | | | | 138 | | | | / | | | | 139 | FreeBSD 4.2 Darwin/ | NetBSD 1.4.3 | | 140 | | Mac OS X | OpenBSD 2.8 BSD/OS 4.2 141 | | | | | | 142 | | | | | | 143 | | 10.0 NetBSD 1.5 | | 144 | FreeBSD 4.3 | | | | | 145 | | | | | OpenBSD 2.9 | 146 | | | | NetBSD 1.5.1 | | 147 | | | | | | | 148 | FreeBSD 4.4-. | | NetBSD 1.5.2 | | 149 | | | Mac OS X | | | | 150 | | | 10.1 | | OpenBSD 3.0 | 151 | FreeBSD 4.5 | | | | | | 152 | | \ | | | | BSD/OS 4.3 153 | FreeBSD 4.6 \ | | | OpenBSD 3.1 | 154 | | \ | | NetBSD 1.5.3 | | 155 | FreeBSD 4.6.2 Mac OS X | | | 156 | | 10.2 | | | 157 | FreeBSD 4.7 | | | | 158 | | | NetBSD 1.6 OpenBSD 3.2 | 159 | FreeBSD 4.8 | | | | | 160 | | | | NetBSD 1.6.1 | | 161 | |--------. | | | OpenBSD 3.3 BSD/OS 5.0 162 | | \ | | | | | 163 | FreeBSD 4.9 | | | | OpenBSD 3.4 BSD/OS 5.1 ISE 164 | | | | | | | 165 | | | | | NetBSD 1.6.2 | 166 | | | | | | | 167 | | | | | | OpenBSD 3.5 168 | | | | | v | 169 | FreeBSD 4.10 | | | | 170 | | | | | | 171 | FreeBSD 4.11 | | | | 172 | | | | | 173 | `-|------|-----------------|---------------------. 174 | | | | \ 175FreeBSD 5.0 | | | | 176 | | | | | 177FreeBSD 5.1 | | | DragonFly 1.0 178 | \ | | | | 179 | ----- Mac OS X | | | 180 | 10.3 | | | 181FreeBSD 5.2 | | | | 182 | | | | | | 183 | FreeBSD 5.2.1 | | | | 184 | | | | | 185 *-------FreeBSD 5.3 | | | | 186 | | | | OpenBSD 3.6 | 187 | | | NetBSD 2.0 | | 188 | | | | | | | DragonFly 1.2.0 189 | | Mac OS X | | NetBSD 2.0.2 | | 190 | | 10.4 | | | | | 191 | FreeBSD 5.4 | | | | | | 192 | | | | | | OpenBSD 3.7 | 193 | | | | | NetBSD 2.0.3 | | 194 | | | | | | | | 195 *--FreeBSD | | | | v OpenBSD 3.8 | 196 | 6.0 | | | | | | 197 | | | | | \ | | 198 | | | | | NetBSD 2.1 | | 199 | | | | | | | 200 | | | | NetBSD 3.0 | | 201 | | | | | | | | DragonFly 1.4.0 202 | | | | | | | OpenBSD 3.9 | 203 | FreeBSD | | | | | | | 204 | 6.1 | | | | | | | 205 | | FreeBSD 5.5 | | | | | | 206 | | | | | NetBSD 3.0.1 | DragonFly 1.6.0 207 | | | | | | | | 208 | | | | | | OpenBSD 4.0 | 209 | | | | | NetBSD 3.0.2 | | 210 | | | | NetBSD 3.1 | | 211 | FreeBSD 6.2 | | | | 212 | | | | | DragonFly 1.8.0 213 | | | | OpenBSD 4.1 | 214 | | | | | DragonFly 1.10.0 215 | | Mac OS X | | | 216 | | 10.5 | | | 217 | | | | OpenBSD 4.2 | 218 | | | NetBSD 4.0 | | 219 | FreeBSD 6.3 | | | | | 220 | \ | | | | | 221 *--FreeBSD | | | | | DragonFly 1.12.0 222 | 7.0 | | | | | | 223 | | | | | | OpenBSD 4.3 | 224 | | | | | NetBSD | DragonFly 2.0.0 225 | | FreeBSD | | 4.0.1 OpenBSD 4.4 | 226 | | 6.4 | | | | 227 | | | | | | 228 | FreeBSD 7.1 | | | | 229 | | | | | DragonFly 2.2.0 230 | FreeBSD 7.2 | NetBSD 5.0 OpenBSD 4.5 | 231 | \ | | | \ | | 232 | | Mac OS X | | \ | | 233 | | 10.6 | | \ | | 234 | | | | | NetBSD | DragonFly 2.4.0 235 | | | | | 5.0.1 OpenBSD 4.6 | 236 | | | | | | | | 237 *--FreeBSD | | | | | | | 238 | 8.0 | | | | | | | 239 | | FreeBSD | | | NetBSD | | 240 | | 7.3 | | | 5.0.2 | DragonFly 2.6.0 241 | | | | | | OpenBSD 4.7 | 242 | FreeBSD | | | | | | 243 | 8.1 | | | | | | 244 | | | | | | | DragonFly 2.8.2 245 | | | | | | OpenBSD 4.8 | 246 | | | | | *--NetBSD | | 247 | FreeBSD FreeBSD | | | 5.1 | | 248 | 8.2 7.4 | | | | | DragonFly 2.10.1 249 | | | | | | OpenBSD 4.9 | 250 | `-----. Mac OS X | | | | | 251 | \ 10.7 | | | | | 252 | | | | | | OpenBSD 5.0 | 253 *--FreeBSD | | | | | | | 254 | 9.0 | | | | NetBSD | DragonFly 3.0.1 255 | | FreeBSD | | | 5.1.2 | | 256 | | 8.3 | | | | | | 257 | | | | | | NetBSD | | 258 | | | | | | 5.1.3 | | 259 | | | | | | OpenBSD 5.1 | 260 | | | Mac OS X | `----. | | 261 | | | 10.8 | \ | | 262 | | | | NetBSD 6.0 | | | 263 | | | | | | | | OpenBSD 5.2 DragonFly 3.2.1 264 | FreeBSD | | | | | NetBSD | | 265 | 9.1 | | | | | 5.2 | | 266 | | | | | | | | | | 267 | | | | | | | NetBSD | | 268 | | | | | | | 5.2.1 | | 269 | | | | | | | | | 270 | | | | | | \ | | 271 | | | | | | NetBSD | | 272 | | | | | | 6.0.1 | | 273 | | | | | | | OpenBSD 5.3 DragonFly 3.4.1 274 | | | | | | NetBSD | | 275 | | | | | | 6.0.2 | | 276 | | | | | | | | 277 | | | | | `-NetBSD 6.1 | | 278 | | FreeBSD | | | | 279 | | 8.4 | | | | 280 | | | | | | 281 | FreeBSD | | | | 282 | 9.2 | | | | 283 | | | | | 284FreeBSD 10 -current | NetBSD -current OpenBSD -current | 285 | | | | | 286 v v v v v 287 288Time 289---------------- 290 291Time tolerance +/- 6 months, depending on which book/article you read; if it 292was the announcement in Usenet or if it was available as tape. 293 294[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 295 and John Quarterman. The Design and Implementation of 296 the 4.4BSD Operating System. 297[APL] Apple website [http://www.apple.com/macosx/] 298[BSDI] Berkeley Software Design, Inc. 299[DFB] DragonFlyBSD Project, The. 300[DOC] README, COPYRIGHT on tape. 301[FBD] FreeBSD Project, The. 302[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 303 Volume 11, Info 4, April, 1987. 304[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 305 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 306[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 307 Changes in the Kernel in 2.9BSD. Second Berkeley Software 308 Distribution UNIX Version 2.9, July, 1983. 309[NBD] NetBSD Project, The. 310[OBD] OpenBSD Project, The. 311[QCU] Salus, Peter H. A quarter century of UNIX. 312[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 313[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 314[USE] Usenet announcement. 315[WRS] Wind River Systems, Inc. 316[dmr] Dennis Ritchie, via E-Mail 317 318Multics 1965 319UNIX Summer 1969 320 DEC PDP-7 321First Edition 1971-11-03 [QCU] 322 DEC PDP-11/20, Assembler 323Second Edition 1972-06-12 [QCU] 324 10 UNIX installations 325Third Edition 1973-02-xx [QCU] 326 Pipes, 16 installations 327Fourth Edition 1973-11-xx [QCU] 328 rewriting in C effected, 329 above 30 installations 330Fifth Edition 1974-06-xx [QCU] 331 above 50 installations 332Sixth Edition 1975-05-xx [QCU] 333 port to DEC Vax 334Seventh Edition 1979-01-xx [QCU] 335 first portable UNIX 336Eighth Edition 1985-02-xx [QCU] 337 VAX 11/750, VAX 11/780 [dmr] 338 descended from 4.1c BSD [dmr] 339 descended from 4.1 BSD [44B] 340 scooping-out and replacement of the character-device 341 and networking part by the streams mechanism 342 343Ninth Edition 1986-09-xx [QCU] 344Tenth Edition 1989-10-xx [QCU] 345 3461BSD late 1977 347 1978-03-09 [QCU] 348 PDP-11, Pascal, ex(1) 349 30 free copies of 1BSD sent out 350 35 tapes sold for 50 USD [QCU] 3512BSD mid 1978 [QCU] 1979-05-10 [TUHS] 352 75 2BSD tapes shipped 3532.79BSD 1980-04-xx [TUHS] 3542.8BSD 1981-07-xx [KSJ] 355 3562.8.1BSD 1982-01-xx [QCU] 357 set of performance improvements 3582.9BSD 1983-07-xx [KSJ] 3592.9.1BSD 1983-11-xx [TUHS] 3602.9BSD-Seismo 1985-08-xx [SMS] 3612.10BSD 1987-04-xx [KKK] 3622.10.1BSD 1989-01-xx [SMS] 3632.11BSD 1992-02-xx [SMS] 3642.11BSD rev #430 1999-12-13 [SMS] 365 36632V 1978-1[01]-xx [QCU] 3673BSD late 1979 [QCU] March 1980 [TUHS] 368 virtual memory, page replacement, 369 demand paging 3704.0BSD 1980-10-xx 3714.1BSD 1981-07-08 [DOC] 3724.1aBSD 1982-04-xx 373 alpha release, 100 sites, networking [44B] 3744.1bBSD internal release, fast filesystem [44B] 3754.1cBSD late 1982 376 beta release, IPC [44B] 3774.2BSD 1983-09-xx [QCU] 378 1983-08-03 [DOC] 3794.3BSD 1986-06-xx [QCU] 380 1986-04-05 [KB], [DOC] 3814.3BSD Tahoe 1988-06-15 [QCU], [DOC] 3824.3BSD NET/1 1988-11-xx [QCU] 383 1989-01-01 [DOC] 3844.3BSD Reno 1990-06-29 [QCU], [DOC] 3854.3BSD NET/2 1991-06-28 [QCU], [DOC] 386 387BSD/386 ALPHA 1991-12-xx [BSDI] 388 first code released to people outside BSDI 389386BSD 0.0 1992-02-xx [DOC] 390BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 391BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 392386BSD 0.1 1992-07-28 [DOC] 3934.4BSD Alpha 1992-07-07 394BSD/386 0.9.3 1992-10-xx [BSDI] 395 first external gamma; G customers 396BSD/386 0.9.4 1992-12-xx [BSDI] 397 would have been 1.0 except for request 398 for preliminary injunction 399BSD/386 1.0 1993-03-xx [BSDI] 400 injunction denied; first official release 401NetBSD 0.8 1993-04-20 [NBD] 4024.4BSD 1993-06-01 [USE] 403NetBSD 0.9 1993-08-23 [NBD] 404FreeBSD 1.0 1993-11-01 [FBD] 405FreeBSD 1.0.2 1993-11-14 [FBD] 406 supersedes 1.0 13 days after release. 407BSD/386 1.1 1994-02-xx [BSDI] 4084.4BSD Lite 1994-03-01 [USE] 409FreeBSD 1.1 1994-05-07 [FBD] 410FreeBSD 1.1.5 1994-06-30 [FBD] 411FreeBSD 1.1.5.1 1994-07-05 [FBD] 412 supersedes 1.1.5 5 days after release. 413NetBSD 1.0 1994-10-26 [NBD] 414386BSD 1.0 1994-11-12 [USE] 415FreeBSD 2.0 1994-11-23 [FBD] 416BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 417FreeBSD 2.0.5 1995-06-10 [FBD] 418BSD/OS 2.0.1 1995-06-xx [BSDI] 4194.4BSD Lite Release 2 1995-06-xx [44B] 420 the true final distribution from the CSRG 421FreeBSD 2.1.0 1995-11-19 [FBD] 422NetBSD 1.1 1995-11-26 [NBD] 423BSD/OS 2.1 1996-01-xx [BSDI] 424FreeBSD 2.1.5 1996-07-14 [FBD] 425NetBSD 1.2 1996-10-04 [NBD] 426OpenBSD 2.0 1996-10-18 [OBD] 427FreeBSD 2.1.6 1996-11-16 [FBD] 428FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 429Rhapsody 1997-xx-xx 430FreeBSD 2.1.7 1997-02-20 [FBD] 431BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 432FreeBSD 2.2.0 1997-03-16 [FBD] 433FreeBSD 2.2.1 1997-03-25 [FBD] 434FreeBSD 2.2.2 1997-05-16 [FBD] 435NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 436OpenBSD 2.1 1997-06-01 [OBD] 437FreeBSD 2.2.5 1997-10-22 [FBD] 438OpenBSD 2.2 1997-12-01 [OBD] 439NetBSD 1.3 1998-01-04 [NBD] 440FreeBSD 2.2.6 1998-03-25 [FBD] 441NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 442BSD/OS 3.1 1998-03-xx [BSDI] 443OpenBSD 2.3 1998-05-19 [OBD] 444NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 445FreeBSD 2.2.7 1998-07-22 [FBD] 446BSD/OS 4.0 1998-08-xx [BSDI] 447 2-lock MP support, ELF executables 448FreeBSD 3.0 1998-10-16 [FBD] 449 FreeBSD-3.0 is a snapshot from -current, 450 while 3.1 and 3.2 are from 3.x-stable which 451 was branched quite some time after 3.0-release 452FreeBSD 2.2.8 1998-11-29 [FBD] 453OpenBSD 2.4 1998-12-01 [OBD] 454NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 455FreeBSD 3.1 1999-02-15 [FBD] 456BSD/OS 4.0.1 1999-03-xx [BSDI] 457NetBSD 1.4 1999-05-12 [NBD] 458FreeBSD 3.2 1999-05-17 [FBD] 459OpenBSD 2.5 1999-05-19 [OBD] 460NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 461FreeBSD 3.3 1999-09-17 [FBD] 462OpenBSD 2.6 1999-12-01 [OBD] 463FreeBSD 3.4 1999-12-20 [FBD] 464BSD/OS 4.1 1999-12-xx [BSDI] 465FreeBSD 4.0 2000-03-13 [FBD] 466NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 467OpenBSD 2.7 2000-06-15 [OBD] 468FreeBSD 3.5 2000-06-24 [FBD] 469FreeBSD 4.1 2000-07-27 [FBD] 470FreeBSD 3.5.1 2000-07-28 [FBD] 471FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 472FreeBSD 4.2 2000-11-21 [FBD] 473NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 474BSD/OS 4.2 2000-11-29 [BSDI] 475OpenBSD 2.8 2000-12-01 [OBD] 476NetBSD 1.5 2000-12-06 [NBD] 477Mac OS X 10.0 2001-03-24 [APL] 478FreeBSD 4.3 2001-04-20 [FBD] 479OpenBSD 2.9 2001-06-01 [OBD] 480NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 481NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 482FreeBSD 4.4 2001-09-18 [FBD] 483Mac OS X 10.1 2001-09-29 [APL] 484OpenBSD 3.0 2001-12-01 [OBD] 485FreeBSD 4.5 2002-01-29 [FBD] 486BSD/OS 4.3 2002-03-14 [WRS] 487OpenBSD 3.1 2002-05-19 [OBD] 488FreeBSD 4.6 2002-06-15 [FBD] 489NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 490FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 491Mac OS X 10.2 2002-08-23 [APL] 492NetBSD 1.6 2002-09-14 [NBD] 493FreeBSD 4.7 2002-10-08 [FBD] 494OpenBSD 3.2 2002-11-01 [OBD] 495FreeBSD 5.0 2003-01-17 [FBD] 496 FreeBSD 5.0 is a separate branch off of 497 -current, similar to 3.0. 498FreeBSD 4.8 2003-04-03 [FBD] 499NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 500OpenBSD 3.3 2003-05-01 [OBD] 501BSD/OS 5.0 2003-05-?? [WRS] 502FreeBSD 5.1 2003-06-09 [FBD] 503Mac OS X 10.3 2003-10-24 [APL] 504FreeBSD 4.9 2003-10-28 [FBD] 505BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 506OpenBSD 3.4 2003-11-01 [OBD] 507FreeBSD 5.2 2004-01-12 [FBD] 508FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 509NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 510OpenBSD 3.5 2004-04-01 [OBD] 511FreeBSD 4.10 2004-05-27 [FBD] 512DragonFly 1.0 2004-07-12 [DFB] 513OpenBSD 3.6 2004-10-29 [OBD] 514FreeBSD 5.3 2004-11-06 [FBD] 515NetBSD 2.0 2004-12-09 [NBD] 516FreeBSD 4.11 2005-01-25 [FBD] 517DragonFly 1.2.0 2005-04-08 [DFB] 518NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 519Mac OS X 10.4 2005-04-29 [APL] 520FreeBSD 5.4 2005-05-09 [FBD] 521OpenBSD 3.7 2005-05-19 [OBD] 522NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 523OpenBSD 3.8 2005-11-01 [OBD] 524FreeBSD 6.0 2005-11-01 [FBD] 525NetBSD 2.1 2005-11-02 [NBD] 526NetBSD 3.0 2005-12-23 [NBD] 527DragonFly 1.4.0 2006-01-08 [DFB] 528OpenBSD 3.9 2006-05-01 [OBD] 529FreeBSD 6.1 2006-05-08 [FBD] 530FreeBSD 5.5 2006-05-25 [FBD] 531NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 532DragonFly 1.6.0 2006-07-24 [DFB] 533OpenBSD 4.0 2006-11-01 [OBD] 534NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 535NetBSD 3.1 2006-11-04 [NBD] 536FreeBSD 6.2 2007-01-15 [FBD] 537DragonFly 1.8.0 2007-01-30 [DFB] 538OpenBSD 4.1 2007-05-01 [OBD] 539DragonFly 1.10.0 2007-08-06 [DFB] 540Mac OS X 10.5 2007-10-26 [APL] 541OpenBSD 4.2 2007-11-01 [OBD] 542NetBSD 4.0 2007-12-19 [NBD] 543FreeBSD 6.3 2008-01-18 [FBD] 544DragonFly 1.12.0 2008-02-26 [DFB] 545FreeBSD 7.0 2008-02-27 [FBD] 546OpenBSD 4.3 2008-05-01 [OBD] 547DragonFly 2.0.0 2008-07-21 [DFB] 548OpenBSD 4.4 2008-11-01 [OBD] 549FreeBSD 6.4 2008-11-28 [FBD] 550FreeBSD 7.1 2009-01-04 [FBD] 551DragonFly 2.2.0 2009-02-17 [DFB] 552NetBSD 5.0 2009-04-29 [NBD] 553OpenBSD 4.5 2009-05-01 [OBD] 554FreeBSD 7.2 2009-05-04 [FBD] 555Mac OS X 10.6 2009-06-08 [APL] 556NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 557DragonFly 2.4.0 2009-09-16 [DFB] 558OpenBSD 4.6 2009-10-18 [OBD] 559FreeBSD 8.0 2009-11-26 [FBD] 560NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 561FreeBSD 7.3 2010-03-23 [FBD] 562DragonFly 2.6.0 2010-03-28 [DFB] 563OpenBSD 4.7 2010-05-19 [OBD] 564FreeBSD 8.1 2010-07-24 [FBD] 565DragonFly 2.8.2 2010-10-30 [DFB] 566OpenBSD 4.8 2010-11-01 [OBD] 567NetBSD 5.1 2010-11-19 [NBD] 568FreeBSD 7.4 2011-02-24 [FBD] 569FreeBSD 8.2 2011-02-24 [FBD] 570DragonFly 2.10.1 2011-04-26 [DFB] 571OpenBSD 4.9 2011-05-01 [OBD] 572Mac OS X 10.7 2011-07-20 [APL] 573OpenBSD 5.0 2011-11-01 [OBD] 574FreeBSD 9.0 2012-01-12 [FBD] 575NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 576DragonFly 3.0.1 2012-02-21 [DFB] 577FreeBSD 8.3 2012-04-18 [FBD] 578OpenBSD 5.1 2012-05-01 [OBD] 579Mac OS X 10.8 2012-07-25 [APL] 580NetBSD 6.0 2012-10-17 [NBD] 581OpenBSD 5.2 2012-11-01 [OBD] 582DragonFly 3.2.1 2012-11-02 [DFB] 583NetBSD 5.2 2012-12-03 [NBD] 584NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 585FreeBSD 9.1 2012-12-30 [FBD] 586DragonFly 3.4.1 2013-04-29 [DFB] 587OpenBSD 5.3 2013-05-01 [OBD] 588NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 589NetBSD 6.1 2013-05-18 [NBD] 590FreeBSD 8.4 2013-06-07 [FBD] 591NetBSD 5.1.3 2013-09-29 [NBD] 592NetBSD 5.2.1 2013-09-29 [NBD] 593FreeBSD 9.2 2013-09-30 [FBD] 594 595Bibliography 596------------------------ 597 598Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 599Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 600System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 601 602Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 603Company, Inc., 1994. ISBN 0-201-54777-5 604 605McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 606Quarterman. The Design and Implementation of the 4.4BSD Operating 607System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 608 609McKusick, Marshall Kirk, George Neville-Neil. The Design and 610Implementation of the FreeBSD Operating System. 611Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 612 613Doug McIlroy. Research Unix Reader. 614 615Michael G. Brown. The Role of BSD in the Development of Unix. 616Presented to the Tasmanian Unix Special Interest Group of the 617Australian Computer Society, Hobart, August 1993. 618 619Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 620URL: http://www.byte.com/art/9410/sec8/art3.htm 621 622Andreas Klemm, Lars Köller. If you're going to San Francisco ... 623Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 624 625BSD Release Announcements collection. 626URL: http://www.FreeBSD.org/releases/ 627 628BSD Hypertext Man Pages 629URL: http://www.FreeBSD.org/cgi/man.cgi 630 631UNIX history graphing project 632URL: http://minnie.tuhs.org/Unix_History/index.html 633 634UNIX history 635URL: http://www.levenez.com/unix/ 636 637James Howard: The BSD Family Tree 638URL: http://ezine.daemonnews.org/200104/bsd_family.html 639("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 640 641 642Acknowledgments 643--------------- 644 645Josh Gilliam for suggestions, bug fixes, and finding very old 646original BSD announcements from Usenet or tapes. 647 648Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 649 650-- 651Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 652URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 653 654$FreeBSD$ 655