bsd-family-tree revision 1.55
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 6.0.3 | | 278 | | | | | | | | 279 | | | | | NetBSD 6.0.4 | | 280 | | | | | | | | 281 | | | | | NetBSD 6.0.5 | | 282 | | | | | | | 283 | | | | `-NetBSD 6.1 | | 284 | FreeBSD | | | | | 285 | 8.4 | | NetBSD 6.1.1 | | 286 | | | | | | 287 | | | NetBSD 6.1.2 | | 288 | | | | | | 289 | | | NetBSD 6.1.3 | | 290 | | | | | | 291 | | | NetBSD 6.1.4 | | 292 | | | | | 293FreeBSD 10 -current | NetBSD -current OpenBSD -current | 294 | | | | | 295 v v v v v 296 297Time 298---------------- 299 300Time tolerance +/- 6 months, depending on which book/article you read; if it 301was the announcement in Usenet or if it was available as tape. 302 303[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 304 and John Quarterman. The Design and Implementation of 305 the 4.4BSD Operating System. 306[APL] Apple website [http://www.apple.com/macosx/] 307[BSDI] Berkeley Software Design, Inc. 308[DFB] DragonFlyBSD Project, The. 309[DOC] README, COPYRIGHT on tape. 310[FBD] FreeBSD Project, The. 311[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 312 Volume 11, Info 4, April, 1987. 313[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 314 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 315[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 316 Changes in the Kernel in 2.9BSD. Second Berkeley Software 317 Distribution UNIX Version 2.9, July, 1983. 318[NBD] NetBSD Project, The. 319[OBD] OpenBSD Project, The. 320[QCU] Salus, Peter H. A quarter century of UNIX. 321[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 322[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 323[USE] Usenet announcement. 324[WRS] Wind River Systems, Inc. 325[dmr] Dennis Ritchie, via E-Mail 326 327Multics 1965 328UNIX Summer 1969 329 DEC PDP-7 330First Edition 1971-11-03 [QCU] 331 DEC PDP-11/20, Assembler 332Second Edition 1972-06-12 [QCU] 333 10 UNIX installations 334Third Edition 1973-02-xx [QCU] 335 Pipes, 16 installations 336Fourth Edition 1973-11-xx [QCU] 337 rewriting in C effected, 338 above 30 installations 339Fifth Edition 1974-06-xx [QCU] 340 above 50 installations 341Sixth Edition 1975-05-xx [QCU] 342 port to DEC Vax 343Seventh Edition 1979-01-xx [QCU] 344 first portable UNIX 345Eighth Edition 1985-02-xx [QCU] 346 VAX 11/750, VAX 11/780 [dmr] 347 descended from 4.1c BSD [dmr] 348 descended from 4.1 BSD [44B] 349 scooping-out and replacement of the character-device 350 and networking part by the streams mechanism 351 352Ninth Edition 1986-09-xx [QCU] 353Tenth Edition 1989-10-xx [QCU] 354 3551BSD late 1977 356 1978-03-09 [QCU] 357 PDP-11, Pascal, ex(1) 358 30 free copies of 1BSD sent out 359 35 tapes sold for 50 USD [QCU] 3602BSD mid 1978 [QCU] 1979-05-10 [TUHS] 361 75 2BSD tapes shipped 3622.79BSD 1980-04-xx [TUHS] 3632.8BSD 1981-07-xx [KSJ] 364 3652.8.1BSD 1982-01-xx [QCU] 366 set of performance improvements 3672.9BSD 1983-07-xx [KSJ] 3682.9.1BSD 1983-11-xx [TUHS] 3692.9BSD-Seismo 1985-08-xx [SMS] 3702.10BSD 1987-04-xx [KKK] 3712.10.1BSD 1989-01-xx [SMS] 3722.11BSD 1992-02-xx [SMS] 3732.11BSD rev #430 1999-12-13 [SMS] 374 37532V 1978-1[01]-xx [QCU] 3763BSD late 1979 [QCU] March 1980 [TUHS] 377 virtual memory, page replacement, 378 demand paging 3794.0BSD 1980-10-xx 3804.1BSD 1981-07-08 [DOC] 3814.1aBSD 1982-04-xx 382 alpha release, 100 sites, networking [44B] 3834.1bBSD internal release, fast filesystem [44B] 3844.1cBSD late 1982 385 beta release, IPC [44B] 3864.2BSD 1983-09-xx [QCU] 387 1983-08-03 [DOC] 3884.3BSD 1986-06-xx [QCU] 389 1986-04-05 [KB], [DOC] 3904.3BSD Tahoe 1988-06-15 [QCU], [DOC] 3914.3BSD NET/1 1988-11-xx [QCU] 392 1989-01-01 [DOC] 3934.3BSD Reno 1990-06-29 [QCU], [DOC] 3944.3BSD NET/2 1991-06-28 [QCU], [DOC] 395 396BSD/386 ALPHA 1991-12-xx [BSDI] 397 first code released to people outside BSDI 398386BSD 0.0 1992-02-xx [DOC] 399BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 400BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 401386BSD 0.1 1992-07-28 [DOC] 4024.4BSD Alpha 1992-07-07 403BSD/386 0.9.3 1992-10-xx [BSDI] 404 first external gamma; G customers 405BSD/386 0.9.4 1992-12-xx [BSDI] 406 would have been 1.0 except for request 407 for preliminary injunction 408BSD/386 1.0 1993-03-xx [BSDI] 409 injunction denied; first official release 410NetBSD 0.8 1993-04-20 [NBD] 4114.4BSD 1993-06-01 [USE] 412NetBSD 0.9 1993-08-23 [NBD] 413FreeBSD 1.0 1993-11-01 [FBD] 414FreeBSD 1.0.2 1993-11-14 [FBD] 415 supersedes 1.0 13 days after release. 416BSD/386 1.1 1994-02-xx [BSDI] 4174.4BSD Lite 1994-03-01 [USE] 418FreeBSD 1.1 1994-05-07 [FBD] 419FreeBSD 1.1.5 1994-06-30 [FBD] 420FreeBSD 1.1.5.1 1994-07-05 [FBD] 421 supersedes 1.1.5 5 days after release. 422NetBSD 1.0 1994-10-26 [NBD] 423386BSD 1.0 1994-11-12 [USE] 424FreeBSD 2.0 1994-11-23 [FBD] 425BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 426FreeBSD 2.0.5 1995-06-10 [FBD] 427BSD/OS 2.0.1 1995-06-xx [BSDI] 4284.4BSD Lite Release 2 1995-06-xx [44B] 429 the true final distribution from the CSRG 430FreeBSD 2.1.0 1995-11-19 [FBD] 431NetBSD 1.1 1995-11-26 [NBD] 432BSD/OS 2.1 1996-01-xx [BSDI] 433FreeBSD 2.1.5 1996-07-14 [FBD] 434NetBSD 1.2 1996-10-04 [NBD] 435OpenBSD 2.0 1996-10-18 [OBD] 436FreeBSD 2.1.6 1996-11-16 [FBD] 437FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 438Rhapsody 1997-xx-xx 439FreeBSD 2.1.7 1997-02-20 [FBD] 440BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 441FreeBSD 2.2.0 1997-03-16 [FBD] 442FreeBSD 2.2.1 1997-03-25 [FBD] 443FreeBSD 2.2.2 1997-05-16 [FBD] 444NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 445OpenBSD 2.1 1997-06-01 [OBD] 446FreeBSD 2.2.5 1997-10-22 [FBD] 447OpenBSD 2.2 1997-12-01 [OBD] 448NetBSD 1.3 1998-01-04 [NBD] 449FreeBSD 2.2.6 1998-03-25 [FBD] 450NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 451BSD/OS 3.1 1998-03-xx [BSDI] 452OpenBSD 2.3 1998-05-19 [OBD] 453NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 454FreeBSD 2.2.7 1998-07-22 [FBD] 455BSD/OS 4.0 1998-08-xx [BSDI] 456 2-lock MP support, ELF executables 457FreeBSD 3.0 1998-10-16 [FBD] 458 FreeBSD-3.0 is a snapshot from -current, 459 while 3.1 and 3.2 are from 3.x-stable which 460 was branched quite some time after 3.0-release 461FreeBSD 2.2.8 1998-11-29 [FBD] 462OpenBSD 2.4 1998-12-01 [OBD] 463NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 464FreeBSD 3.1 1999-02-15 [FBD] 465BSD/OS 4.0.1 1999-03-xx [BSDI] 466NetBSD 1.4 1999-05-12 [NBD] 467FreeBSD 3.2 1999-05-17 [FBD] 468OpenBSD 2.5 1999-05-19 [OBD] 469NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 470FreeBSD 3.3 1999-09-17 [FBD] 471OpenBSD 2.6 1999-12-01 [OBD] 472FreeBSD 3.4 1999-12-20 [FBD] 473BSD/OS 4.1 1999-12-xx [BSDI] 474FreeBSD 4.0 2000-03-13 [FBD] 475NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 476OpenBSD 2.7 2000-06-15 [OBD] 477FreeBSD 3.5 2000-06-24 [FBD] 478FreeBSD 4.1 2000-07-27 [FBD] 479FreeBSD 3.5.1 2000-07-28 [FBD] 480FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 481FreeBSD 4.2 2000-11-21 [FBD] 482NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 483BSD/OS 4.2 2000-11-29 [BSDI] 484OpenBSD 2.8 2000-12-01 [OBD] 485NetBSD 1.5 2000-12-06 [NBD] 486Mac OS X 10.0 2001-03-24 [APL] 487FreeBSD 4.3 2001-04-20 [FBD] 488OpenBSD 2.9 2001-06-01 [OBD] 489NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 490NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 491FreeBSD 4.4 2001-09-18 [FBD] 492Mac OS X 10.1 2001-09-29 [APL] 493OpenBSD 3.0 2001-12-01 [OBD] 494FreeBSD 4.5 2002-01-29 [FBD] 495BSD/OS 4.3 2002-03-14 [WRS] 496OpenBSD 3.1 2002-05-19 [OBD] 497FreeBSD 4.6 2002-06-15 [FBD] 498NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 499FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 500Mac OS X 10.2 2002-08-23 [APL] 501NetBSD 1.6 2002-09-14 [NBD] 502FreeBSD 4.7 2002-10-08 [FBD] 503OpenBSD 3.2 2002-11-01 [OBD] 504FreeBSD 5.0 2003-01-17 [FBD] 505 FreeBSD 5.0 is a separate branch off of 506 -current, similar to 3.0. 507FreeBSD 4.8 2003-04-03 [FBD] 508NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 509OpenBSD 3.3 2003-05-01 [OBD] 510BSD/OS 5.0 2003-05-?? [WRS] 511FreeBSD 5.1 2003-06-09 [FBD] 512Mac OS X 10.3 2003-10-24 [APL] 513FreeBSD 4.9 2003-10-28 [FBD] 514BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 515OpenBSD 3.4 2003-11-01 [OBD] 516FreeBSD 5.2 2004-01-12 [FBD] 517FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 518NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 519OpenBSD 3.5 2004-04-01 [OBD] 520FreeBSD 4.10 2004-05-27 [FBD] 521DragonFly 1.0 2004-07-12 [DFB] 522OpenBSD 3.6 2004-10-29 [OBD] 523FreeBSD 5.3 2004-11-06 [FBD] 524NetBSD 2.0 2004-12-09 [NBD] 525FreeBSD 4.11 2005-01-25 [FBD] 526DragonFly 1.2.0 2005-04-08 [DFB] 527NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 528Mac OS X 10.4 2005-04-29 [APL] 529FreeBSD 5.4 2005-05-09 [FBD] 530OpenBSD 3.7 2005-05-19 [OBD] 531NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 532OpenBSD 3.8 2005-11-01 [OBD] 533FreeBSD 6.0 2005-11-01 [FBD] 534NetBSD 2.1 2005-11-02 [NBD] 535NetBSD 3.0 2005-12-23 [NBD] 536DragonFly 1.4.0 2006-01-08 [DFB] 537OpenBSD 3.9 2006-05-01 [OBD] 538FreeBSD 6.1 2006-05-08 [FBD] 539FreeBSD 5.5 2006-05-25 [FBD] 540NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 541DragonFly 1.6.0 2006-07-24 [DFB] 542OpenBSD 4.0 2006-11-01 [OBD] 543NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 544NetBSD 3.1 2006-11-04 [NBD] 545FreeBSD 6.2 2007-01-15 [FBD] 546DragonFly 1.8.0 2007-01-30 [DFB] 547OpenBSD 4.1 2007-05-01 [OBD] 548DragonFly 1.10.0 2007-08-06 [DFB] 549Mac OS X 10.5 2007-10-26 [APL] 550OpenBSD 4.2 2007-11-01 [OBD] 551NetBSD 4.0 2007-12-19 [NBD] 552FreeBSD 6.3 2008-01-18 [FBD] 553DragonFly 1.12.0 2008-02-26 [DFB] 554FreeBSD 7.0 2008-02-27 [FBD] 555OpenBSD 4.3 2008-05-01 [OBD] 556DragonFly 2.0.0 2008-07-21 [DFB] 557OpenBSD 4.4 2008-11-01 [OBD] 558FreeBSD 6.4 2008-11-28 [FBD] 559FreeBSD 7.1 2009-01-04 [FBD] 560DragonFly 2.2.0 2009-02-17 [DFB] 561NetBSD 5.0 2009-04-29 [NBD] 562OpenBSD 4.5 2009-05-01 [OBD] 563FreeBSD 7.2 2009-05-04 [FBD] 564Mac OS X 10.6 2009-06-08 [APL] 565NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 566DragonFly 2.4.0 2009-09-16 [DFB] 567OpenBSD 4.6 2009-10-18 [OBD] 568FreeBSD 8.0 2009-11-26 [FBD] 569NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 570FreeBSD 7.3 2010-03-23 [FBD] 571DragonFly 2.6.0 2010-03-28 [DFB] 572OpenBSD 4.7 2010-05-19 [OBD] 573FreeBSD 8.1 2010-07-24 [FBD] 574DragonFly 2.8.2 2010-10-30 [DFB] 575OpenBSD 4.8 2010-11-01 [OBD] 576NetBSD 5.1 2010-11-19 [NBD] 577FreeBSD 7.4 2011-02-24 [FBD] 578FreeBSD 8.2 2011-02-24 [FBD] 579DragonFly 2.10.1 2011-04-26 [DFB] 580OpenBSD 4.9 2011-05-01 [OBD] 581Mac OS X 10.7 2011-07-20 [APL] 582OpenBSD 5.0 2011-11-01 [OBD] 583FreeBSD 9.0 2012-01-12 [FBD] 584NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 585DragonFly 3.0.1 2012-02-21 [DFB] 586FreeBSD 8.3 2012-04-18 [FBD] 587OpenBSD 5.1 2012-05-01 [OBD] 588Mac OS X 10.8 2012-07-25 [APL] 589NetBSD 6.0 2012-10-17 [NBD] 590OpenBSD 5.2 2012-11-01 [OBD] 591DragonFly 3.2.1 2012-11-02 [DFB] 592NetBSD 5.2 2012-12-03 [NBD] 593NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 594FreeBSD 9.1 2012-12-30 [FBD] 595DragonFly 3.4.1 2013-04-29 [DFB] 596OpenBSD 5.3 2013-05-01 [OBD] 597NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 598NetBSD 6.1 2013-05-18 [NBD] 599FreeBSD 8.4 2013-06-07 [FBD] 600NetBSD 6.1.1 2013-08-22 [NBD] 601NetBSD 5.1.3 2013-09-29 [NBD] 602NetBSD 5.2.1 2013-09-29 [NBD] 603NetBSD 6.0.3 2013-09-30 [NBD] 604NetBSD 6.1.2 2013-09-30 [NBD] 605NetBSD 6.0.4 2014-01-25 [NBD] 606NetBSD 6.1.3 2014-01-25 [NBD] 607NetBSD 6.0.5 2014-04-12 [NBD] 608NetBSD 6.1.4 2014-04-12 [NBD] 609 610Bibliography 611------------------------ 612 613Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 614Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 615System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 616 617Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 618Company, Inc., 1994. ISBN 0-201-54777-5 619 620McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 621Quarterman. The Design and Implementation of the 4.4BSD Operating 622System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 623 624McKusick, Marshall Kirk, George Neville-Neil. The Design and 625Implementation of the FreeBSD Operating System. 626Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 627 628Doug McIlroy. Research Unix Reader. 629 630Michael G. Brown. The Role of BSD in the Development of Unix. 631Presented to the Tasmanian Unix Special Interest Group of the 632Australian Computer Society, Hobart, August 1993. 633 634Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 635URL: http://www.byte.com/art/9410/sec8/art3.htm 636 637Andreas Klemm, Lars Köller. If you're going to San Francisco ... 638Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 639 640BSD Release Announcements collection. 641URL: http://www.FreeBSD.org/releases/ 642 643BSD Hypertext Man Pages 644URL: http://www.FreeBSD.org/cgi/man.cgi 645 646UNIX history graphing project 647URL: http://minnie.tuhs.org/Unix_History/index.html 648 649UNIX history 650URL: http://www.levenez.com/unix/ 651 652James Howard: The BSD Family Tree 653URL: http://ezine.daemonnews.org/200104/bsd_family.html 654("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 655 656 657Acknowledgments 658--------------- 659 660Josh Gilliam for suggestions, bug fixes, and finding very old 661original BSD announcements from Usenet or tapes. 662 663Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 664 665-- 666Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 667URL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree 668 669$FreeBSD$ 670