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 6.1 | | 280 | FreeBSD | | | | | 281 | 8.4 | | NetBSD 6.1.1 | | 282 | | | | | | 283 | | | NetBSD 6.1.2 | | 284 | | | | | 285FreeBSD 10 -current | NetBSD -current OpenBSD -current | 286 | | | | | 287 v v v v v 288 289Time 290---------------- 291 292Time tolerance +/- 6 months, depending on which book/article you read; if it 293was the announcement in Usenet or if it was available as tape. 294 295[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 296 and John Quarterman. The Design and Implementation of 297 the 4.4BSD Operating System. 298[APL] Apple website [http://www.apple.com/macosx/] 299[BSDI] Berkeley Software Design, Inc. 300[DFB] DragonFlyBSD Project, The. 301[DOC] README, COPYRIGHT on tape. 302[FBD] FreeBSD Project, The. 303[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 304 Volume 11, Info 4, April, 1987. 305[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 306 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 307[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 308 Changes in the Kernel in 2.9BSD. Second Berkeley Software 309 Distribution UNIX Version 2.9, July, 1983. 310[NBD] NetBSD Project, The. 311[OBD] OpenBSD Project, The. 312[QCU] Salus, Peter H. A quarter century of UNIX. 313[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 314[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 315[USE] Usenet announcement. 316[WRS] Wind River Systems, Inc. 317[dmr] Dennis Ritchie, via E-Mail 318 319Multics 1965 320UNIX Summer 1969 321 DEC PDP-7 322First Edition 1971-11-03 [QCU] 323 DEC PDP-11/20, Assembler 324Second Edition 1972-06-12 [QCU] 325 10 UNIX installations 326Third Edition 1973-02-xx [QCU] 327 Pipes, 16 installations 328Fourth Edition 1973-11-xx [QCU] 329 rewriting in C effected, 330 above 30 installations 331Fifth Edition 1974-06-xx [QCU] 332 above 50 installations 333Sixth Edition 1975-05-xx [QCU] 334 port to DEC Vax 335Seventh Edition 1979-01-xx [QCU] 336 first portable UNIX 337Eighth Edition 1985-02-xx [QCU] 338 VAX 11/750, VAX 11/780 [dmr] 339 descended from 4.1c BSD [dmr] 340 descended from 4.1 BSD [44B] 341 scooping-out and replacement of the character-device 342 and networking part by the streams mechanism 343 344Ninth Edition 1986-09-xx [QCU] 345Tenth Edition 1989-10-xx [QCU] 346 3471BSD late 1977 348 1978-03-09 [QCU] 349 PDP-11, Pascal, ex(1) 350 30 free copies of 1BSD sent out 351 35 tapes sold for 50 USD [QCU] 3522BSD mid 1978 [QCU] 1979-05-10 [TUHS] 353 75 2BSD tapes shipped 3542.79BSD 1980-04-xx [TUHS] 3552.8BSD 1981-07-xx [KSJ] 356 3572.8.1BSD 1982-01-xx [QCU] 358 set of performance improvements 3592.9BSD 1983-07-xx [KSJ] 3602.9.1BSD 1983-11-xx [TUHS] 3612.9BSD-Seismo 1985-08-xx [SMS] 3622.10BSD 1987-04-xx [KKK] 3632.10.1BSD 1989-01-xx [SMS] 3642.11BSD 1992-02-xx [SMS] 3652.11BSD rev #430 1999-12-13 [SMS] 366 36732V 1978-1[01]-xx [QCU] 3683BSD late 1979 [QCU] March 1980 [TUHS] 369 virtual memory, page replacement, 370 demand paging 3714.0BSD 1980-10-xx 3724.1BSD 1981-07-08 [DOC] 3734.1aBSD 1982-04-xx 374 alpha release, 100 sites, networking [44B] 3754.1bBSD internal release, fast filesystem [44B] 3764.1cBSD late 1982 377 beta release, IPC [44B] 3784.2BSD 1983-09-xx [QCU] 379 1983-08-03 [DOC] 3804.3BSD 1986-06-xx [QCU] 381 1986-04-05 [KB], [DOC] 3824.3BSD Tahoe 1988-06-15 [QCU], [DOC] 3834.3BSD NET/1 1988-11-xx [QCU] 384 1989-01-01 [DOC] 3854.3BSD Reno 1990-06-29 [QCU], [DOC] 3864.3BSD NET/2 1991-06-28 [QCU], [DOC] 387 388BSD/386 ALPHA 1991-12-xx [BSDI] 389 first code released to people outside BSDI 390386BSD 0.0 1992-02-xx [DOC] 391BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 392BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 393386BSD 0.1 1992-07-28 [DOC] 3944.4BSD Alpha 1992-07-07 395BSD/386 0.9.3 1992-10-xx [BSDI] 396 first external gamma; G customers 397BSD/386 0.9.4 1992-12-xx [BSDI] 398 would have been 1.0 except for request 399 for preliminary injunction 400BSD/386 1.0 1993-03-xx [BSDI] 401 injunction denied; first official release 402NetBSD 0.8 1993-04-20 [NBD] 4034.4BSD 1993-06-01 [USE] 404NetBSD 0.9 1993-08-23 [NBD] 405FreeBSD 1.0 1993-11-01 [FBD] 406FreeBSD 1.0.2 1993-11-14 [FBD] 407 supersedes 1.0 13 days after release. 408BSD/386 1.1 1994-02-xx [BSDI] 4094.4BSD Lite 1994-03-01 [USE] 410FreeBSD 1.1 1994-05-07 [FBD] 411FreeBSD 1.1.5 1994-06-30 [FBD] 412FreeBSD 1.1.5.1 1994-07-05 [FBD] 413 supersedes 1.1.5 5 days after release. 414NetBSD 1.0 1994-10-26 [NBD] 415386BSD 1.0 1994-11-12 [USE] 416FreeBSD 2.0 1994-11-23 [FBD] 417BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 418FreeBSD 2.0.5 1995-06-10 [FBD] 419BSD/OS 2.0.1 1995-06-xx [BSDI] 4204.4BSD Lite Release 2 1995-06-xx [44B] 421 the true final distribution from the CSRG 422FreeBSD 2.1.0 1995-11-19 [FBD] 423NetBSD 1.1 1995-11-26 [NBD] 424BSD/OS 2.1 1996-01-xx [BSDI] 425FreeBSD 2.1.5 1996-07-14 [FBD] 426NetBSD 1.2 1996-10-04 [NBD] 427OpenBSD 2.0 1996-10-18 [OBD] 428FreeBSD 2.1.6 1996-11-16 [FBD] 429FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 430Rhapsody 1997-xx-xx 431FreeBSD 2.1.7 1997-02-20 [FBD] 432BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 433FreeBSD 2.2.0 1997-03-16 [FBD] 434FreeBSD 2.2.1 1997-03-25 [FBD] 435FreeBSD 2.2.2 1997-05-16 [FBD] 436NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 437OpenBSD 2.1 1997-06-01 [OBD] 438FreeBSD 2.2.5 1997-10-22 [FBD] 439OpenBSD 2.2 1997-12-01 [OBD] 440NetBSD 1.3 1998-01-04 [NBD] 441FreeBSD 2.2.6 1998-03-25 [FBD] 442NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 443BSD/OS 3.1 1998-03-xx [BSDI] 444OpenBSD 2.3 1998-05-19 [OBD] 445NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 446FreeBSD 2.2.7 1998-07-22 [FBD] 447BSD/OS 4.0 1998-08-xx [BSDI] 448 2-lock MP support, ELF executables 449FreeBSD 3.0 1998-10-16 [FBD] 450 FreeBSD-3.0 is a snapshot from -current, 451 while 3.1 and 3.2 are from 3.x-stable which 452 was branched quite some time after 3.0-release 453FreeBSD 2.2.8 1998-11-29 [FBD] 454OpenBSD 2.4 1998-12-01 [OBD] 455NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 456FreeBSD 3.1 1999-02-15 [FBD] 457BSD/OS 4.0.1 1999-03-xx [BSDI] 458NetBSD 1.4 1999-05-12 [NBD] 459FreeBSD 3.2 1999-05-17 [FBD] 460OpenBSD 2.5 1999-05-19 [OBD] 461NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 462FreeBSD 3.3 1999-09-17 [FBD] 463OpenBSD 2.6 1999-12-01 [OBD] 464FreeBSD 3.4 1999-12-20 [FBD] 465BSD/OS 4.1 1999-12-xx [BSDI] 466FreeBSD 4.0 2000-03-13 [FBD] 467NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 468OpenBSD 2.7 2000-06-15 [OBD] 469FreeBSD 3.5 2000-06-24 [FBD] 470FreeBSD 4.1 2000-07-27 [FBD] 471FreeBSD 3.5.1 2000-07-28 [FBD] 472FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 473FreeBSD 4.2 2000-11-21 [FBD] 474NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 475BSD/OS 4.2 2000-11-29 [BSDI] 476OpenBSD 2.8 2000-12-01 [OBD] 477NetBSD 1.5 2000-12-06 [NBD] 478Mac OS X 10.0 2001-03-24 [APL] 479FreeBSD 4.3 2001-04-20 [FBD] 480OpenBSD 2.9 2001-06-01 [OBD] 481NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 482NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 483FreeBSD 4.4 2001-09-18 [FBD] 484Mac OS X 10.1 2001-09-29 [APL] 485OpenBSD 3.0 2001-12-01 [OBD] 486FreeBSD 4.5 2002-01-29 [FBD] 487BSD/OS 4.3 2002-03-14 [WRS] 488OpenBSD 3.1 2002-05-19 [OBD] 489FreeBSD 4.6 2002-06-15 [FBD] 490NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 491FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 492Mac OS X 10.2 2002-08-23 [APL] 493NetBSD 1.6 2002-09-14 [NBD] 494FreeBSD 4.7 2002-10-08 [FBD] 495OpenBSD 3.2 2002-11-01 [OBD] 496FreeBSD 5.0 2003-01-17 [FBD] 497 FreeBSD 5.0 is a separate branch off of 498 -current, similar to 3.0. 499FreeBSD 4.8 2003-04-03 [FBD] 500NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 501OpenBSD 3.3 2003-05-01 [OBD] 502BSD/OS 5.0 2003-05-?? [WRS] 503FreeBSD 5.1 2003-06-09 [FBD] 504Mac OS X 10.3 2003-10-24 [APL] 505FreeBSD 4.9 2003-10-28 [FBD] 506BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 507OpenBSD 3.4 2003-11-01 [OBD] 508FreeBSD 5.2 2004-01-12 [FBD] 509FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 510NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 511OpenBSD 3.5 2004-04-01 [OBD] 512FreeBSD 4.10 2004-05-27 [FBD] 513DragonFly 1.0 2004-07-12 [DFB] 514OpenBSD 3.6 2004-10-29 [OBD] 515FreeBSD 5.3 2004-11-06 [FBD] 516NetBSD 2.0 2004-12-09 [NBD] 517FreeBSD 4.11 2005-01-25 [FBD] 518DragonFly 1.2.0 2005-04-08 [DFB] 519NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 520Mac OS X 10.4 2005-04-29 [APL] 521FreeBSD 5.4 2005-05-09 [FBD] 522OpenBSD 3.7 2005-05-19 [OBD] 523NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 524OpenBSD 3.8 2005-11-01 [OBD] 525FreeBSD 6.0 2005-11-01 [FBD] 526NetBSD 2.1 2005-11-02 [NBD] 527NetBSD 3.0 2005-12-23 [NBD] 528DragonFly 1.4.0 2006-01-08 [DFB] 529OpenBSD 3.9 2006-05-01 [OBD] 530FreeBSD 6.1 2006-05-08 [FBD] 531FreeBSD 5.5 2006-05-25 [FBD] 532NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 533DragonFly 1.6.0 2006-07-24 [DFB] 534OpenBSD 4.0 2006-11-01 [OBD] 535NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 536NetBSD 3.1 2006-11-04 [NBD] 537FreeBSD 6.2 2007-01-15 [FBD] 538DragonFly 1.8.0 2007-01-30 [DFB] 539OpenBSD 4.1 2007-05-01 [OBD] 540DragonFly 1.10.0 2007-08-06 [DFB] 541Mac OS X 10.5 2007-10-26 [APL] 542OpenBSD 4.2 2007-11-01 [OBD] 543NetBSD 4.0 2007-12-19 [NBD] 544FreeBSD 6.3 2008-01-18 [FBD] 545DragonFly 1.12.0 2008-02-26 [DFB] 546FreeBSD 7.0 2008-02-27 [FBD] 547OpenBSD 4.3 2008-05-01 [OBD] 548DragonFly 2.0.0 2008-07-21 [DFB] 549OpenBSD 4.4 2008-11-01 [OBD] 550FreeBSD 6.4 2008-11-28 [FBD] 551FreeBSD 7.1 2009-01-04 [FBD] 552DragonFly 2.2.0 2009-02-17 [DFB] 553NetBSD 5.0 2009-04-29 [NBD] 554OpenBSD 4.5 2009-05-01 [OBD] 555FreeBSD 7.2 2009-05-04 [FBD] 556Mac OS X 10.6 2009-06-08 [APL] 557NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 558DragonFly 2.4.0 2009-09-16 [DFB] 559OpenBSD 4.6 2009-10-18 [OBD] 560FreeBSD 8.0 2009-11-26 [FBD] 561NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 562FreeBSD 7.3 2010-03-23 [FBD] 563DragonFly 2.6.0 2010-03-28 [DFB] 564OpenBSD 4.7 2010-05-19 [OBD] 565FreeBSD 8.1 2010-07-24 [FBD] 566DragonFly 2.8.2 2010-10-30 [DFB] 567OpenBSD 4.8 2010-11-01 [OBD] 568NetBSD 5.1 2010-11-19 [NBD] 569FreeBSD 7.4 2011-02-24 [FBD] 570FreeBSD 8.2 2011-02-24 [FBD] 571DragonFly 2.10.1 2011-04-26 [DFB] 572OpenBSD 4.9 2011-05-01 [OBD] 573Mac OS X 10.7 2011-07-20 [APL] 574OpenBSD 5.0 2011-11-01 [OBD] 575FreeBSD 9.0 2012-01-12 [FBD] 576NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 577DragonFly 3.0.1 2012-02-21 [DFB] 578FreeBSD 8.3 2012-04-18 [FBD] 579OpenBSD 5.1 2012-05-01 [OBD] 580Mac OS X 10.8 2012-07-25 [APL] 581NetBSD 6.0 2012-10-17 [NBD] 582OpenBSD 5.2 2012-11-01 [OBD] 583DragonFly 3.2.1 2012-11-02 [DFB] 584NetBSD 5.2 2012-12-03 [NBD] 585NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 586FreeBSD 9.1 2012-12-30 [FBD] 587DragonFly 3.4.1 2013-04-29 [DFB] 588OpenBSD 5.3 2013-05-01 [OBD] 589NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 590NetBSD 6.1 2013-05-18 [NBD] 591FreeBSD 8.4 2013-06-07 [FBD] 592NetBSD 6.1.1 2013-08-22 [NBD] 593NetBSD 5.1.3 2013-09-29 [NBD] 594NetBSD 5.2.1 2013-09-29 [NBD] 595NetBSD 6.0.3 2013-09-30 [NBD] 596NetBSD 6.1.2 2013-09-30 [NBD] 597 598Bibliography 599------------------------ 600 601Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 602Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 603System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 604 605Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 606Company, Inc., 1994. ISBN 0-201-54777-5 607 608McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 609Quarterman. The Design and Implementation of the 4.4BSD Operating 610System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 611 612McKusick, Marshall Kirk, George Neville-Neil. The Design and 613Implementation of the FreeBSD Operating System. 614Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 615 616Doug McIlroy. Research Unix Reader. 617 618Michael G. Brown. The Role of BSD in the Development of Unix. 619Presented to the Tasmanian Unix Special Interest Group of the 620Australian Computer Society, Hobart, August 1993. 621 622Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 623URL: http://www.byte.com/art/9410/sec8/art3.htm 624 625Andreas Klemm, Lars Köller. If you're going to San Francisco ... 626Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 627 628BSD Release Announcements collection. 629URL: http://www.FreeBSD.org/releases/ 630 631BSD Hypertext Man Pages 632URL: http://www.FreeBSD.org/cgi/man.cgi 633 634UNIX history graphing project 635URL: http://minnie.tuhs.org/Unix_History/index.html 636 637UNIX history 638URL: http://www.levenez.com/unix/ 639 640James Howard: The BSD Family Tree 641URL: http://ezine.daemonnews.org/200104/bsd_family.html 642("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 643 644 645Acknowledgments 646--------------- 647 648Josh Gilliam for suggestions, bug fixes, and finding very old 649original BSD announcements from Usenet or tapes. 650 651Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 652 653-- 654Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 655URL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree 656 657$FreeBSD$ 658