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 | | | | | | | | | 274 | | | | | | NetBSD | | 275 | | | | | | 6.0.2 | | 276 | | | | | | | OpenBSD 5.3 DragonFly 3.4.1 277 | | | | | | NetBSD | | 278 | | | | | | 6.0.3 | | 279 | | | | | | | | 280 | | | | | |`-NetBSD 6.1 | | 281 | | FreeBSD | | | | | 282 | | 8.4 | | NetBSD 6.1.1 | | 283 | | | | | | | 284 | FreeBSD | | NetBSD 6.1.2 | | 285 | 9.2 Mac OS X | | | 286 | 10.9 | OpenBSD 5.4 | 287 | | | | | 288 | | | | | 289 | | | | | 290 | | | | | 291FreeBSD 10 -current | NetBSD -current OpenBSD -current | 292 | | | | | 293 v v v v v 294 295Time 296---------------- 297 298Time tolerance +/- 6 months, depending on which book/article you read; if it 299was the announcement in Usenet or if it was available as tape. 300 301[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 302 and John Quarterman. The Design and Implementation of 303 the 4.4BSD Operating System. 304[APL] Apple website [http://www.apple.com/macosx/] 305[BSDI] Berkeley Software Design, Inc. 306[DFB] DragonFlyBSD Project, The. 307[DOC] README, COPYRIGHT on tape. 308[FBD] FreeBSD Project, The. 309[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 310 Volume 11, Info 4, April, 1987. 311[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 312 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 313[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 314 Changes in the Kernel in 2.9BSD. Second Berkeley Software 315 Distribution UNIX Version 2.9, July, 1983. 316[NBD] NetBSD Project, The. 317[OBD] OpenBSD Project, The. 318[QCU] Salus, Peter H. A quarter century of UNIX. 319[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 320[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 321[USE] Usenet announcement. 322[WRS] Wind River Systems, Inc. 323[dmr] Dennis Ritchie, via E-Mail 324 325Multics 1965 326UNIX Summer 1969 327 DEC PDP-7 328First Edition 1971-11-03 [QCU] 329 DEC PDP-11/20, Assembler 330Second Edition 1972-06-12 [QCU] 331 10 UNIX installations 332Third Edition 1973-02-xx [QCU] 333 Pipes, 16 installations 334Fourth Edition 1973-11-xx [QCU] 335 rewriting in C effected, 336 above 30 installations 337Fifth Edition 1974-06-xx [QCU] 338 above 50 installations 339Sixth Edition 1975-05-xx [QCU] 340 port to DEC Vax 341Seventh Edition 1979-01-xx [QCU] 342 first portable UNIX 343Eighth Edition 1985-02-xx [QCU] 344 VAX 11/750, VAX 11/780 [dmr] 345 descended from 4.1c BSD [dmr] 346 descended from 4.1 BSD [44B] 347 scooping-out and replacement of the character-device 348 and networking part by the streams mechanism 349 350Ninth Edition 1986-09-xx [QCU] 351Tenth Edition 1989-10-xx [QCU] 352 3531BSD late 1977 354 1978-03-09 [QCU] 355 PDP-11, Pascal, ex(1) 356 30 free copies of 1BSD sent out 357 35 tapes sold for 50 USD [QCU] 3582BSD mid 1978 [QCU] 1979-05-10 [TUHS] 359 75 2BSD tapes shipped 3602.79BSD 1980-04-xx [TUHS] 3612.8BSD 1981-07-xx [KSJ] 362 3632.8.1BSD 1982-01-xx [QCU] 364 set of performance improvements 3652.9BSD 1983-07-xx [KSJ] 3662.9.1BSD 1983-11-xx [TUHS] 3672.9BSD-Seismo 1985-08-xx [SMS] 3682.10BSD 1987-04-xx [KKK] 3692.10.1BSD 1989-01-xx [SMS] 3702.11BSD 1992-02-xx [SMS] 3712.11BSD rev #430 1999-12-13 [SMS] 372 37332V 1978-1[01]-xx [QCU] 3743BSD late 1979 [QCU] March 1980 [TUHS] 375 virtual memory, page replacement, 376 demand paging 3774.0BSD 1980-10-xx 3784.1BSD 1981-07-08 [DOC] 3794.1aBSD 1982-04-xx 380 alpha release, 100 sites, networking [44B] 3814.1bBSD internal release, fast filesystem [44B] 3824.1cBSD late 1982 383 beta release, IPC [44B] 3844.2BSD 1983-09-xx [QCU] 385 1983-08-03 [DOC] 3864.3BSD 1986-06-xx [QCU] 387 1986-04-05 [KB], [DOC] 3884.3BSD Tahoe 1988-06-15 [QCU], [DOC] 3894.3BSD NET/1 1988-11-xx [QCU] 390 1989-01-01 [DOC] 3914.3BSD Reno 1990-06-29 [QCU], [DOC] 3924.3BSD NET/2 1991-06-28 [QCU], [DOC] 393 394BSD/386 ALPHA 1991-12-xx [BSDI] 395 first code released to people outside BSDI 396386BSD 0.0 1992-02-xx [DOC] 397BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 398BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 399386BSD 0.1 1992-07-28 [DOC] 4004.4BSD Alpha 1992-07-07 401BSD/386 0.9.3 1992-10-xx [BSDI] 402 first external gamma; G customers 403BSD/386 0.9.4 1992-12-xx [BSDI] 404 would have been 1.0 except for request 405 for preliminary injunction 406BSD/386 1.0 1993-03-xx [BSDI] 407 injunction denied; first official release 408NetBSD 0.8 1993-04-20 [NBD] 4094.4BSD 1993-06-01 [USE] 410NetBSD 0.9 1993-08-23 [NBD] 411FreeBSD 1.0 1993-11-01 [FBD] 412FreeBSD 1.0.2 1993-11-14 [FBD] 413 supersedes 1.0 13 days after release. 414BSD/386 1.1 1994-02-xx [BSDI] 4154.4BSD Lite 1994-03-01 [USE] 416FreeBSD 1.1 1994-05-07 [FBD] 417FreeBSD 1.1.5 1994-06-30 [FBD] 418FreeBSD 1.1.5.1 1994-07-05 [FBD] 419 supersedes 1.1.5 5 days after release. 420NetBSD 1.0 1994-10-26 [NBD] 421386BSD 1.0 1994-11-12 [USE] 422FreeBSD 2.0 1994-11-23 [FBD] 423BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 424FreeBSD 2.0.5 1995-06-10 [FBD] 425BSD/OS 2.0.1 1995-06-xx [BSDI] 4264.4BSD Lite Release 2 1995-06-xx [44B] 427 the true final distribution from the CSRG 428FreeBSD 2.1.0 1995-11-19 [FBD] 429NetBSD 1.1 1995-11-26 [NBD] 430BSD/OS 2.1 1996-01-xx [BSDI] 431FreeBSD 2.1.5 1996-07-14 [FBD] 432NetBSD 1.2 1996-10-04 [NBD] 433OpenBSD 2.0 1996-10-18 [OBD] 434FreeBSD 2.1.6 1996-11-16 [FBD] 435FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 436Rhapsody 1997-xx-xx 437FreeBSD 2.1.7 1997-02-20 [FBD] 438BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 439FreeBSD 2.2.0 1997-03-16 [FBD] 440FreeBSD 2.2.1 1997-03-25 [FBD] 441FreeBSD 2.2.2 1997-05-16 [FBD] 442NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 443OpenBSD 2.1 1997-06-01 [OBD] 444FreeBSD 2.2.5 1997-10-22 [FBD] 445OpenBSD 2.2 1997-12-01 [OBD] 446NetBSD 1.3 1998-01-04 [NBD] 447FreeBSD 2.2.6 1998-03-25 [FBD] 448NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 449BSD/OS 3.1 1998-03-xx [BSDI] 450OpenBSD 2.3 1998-05-19 [OBD] 451NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 452FreeBSD 2.2.7 1998-07-22 [FBD] 453BSD/OS 4.0 1998-08-xx [BSDI] 454 2-lock MP support, ELF executables 455FreeBSD 3.0 1998-10-16 [FBD] 456 FreeBSD-3.0 is a snapshot from -current, 457 while 3.1 and 3.2 are from 3.x-stable which 458 was branched quite some time after 3.0-release 459FreeBSD 2.2.8 1998-11-29 [FBD] 460OpenBSD 2.4 1998-12-01 [OBD] 461NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 462FreeBSD 3.1 1999-02-15 [FBD] 463BSD/OS 4.0.1 1999-03-xx [BSDI] 464NetBSD 1.4 1999-05-12 [NBD] 465FreeBSD 3.2 1999-05-17 [FBD] 466OpenBSD 2.5 1999-05-19 [OBD] 467NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 468FreeBSD 3.3 1999-09-17 [FBD] 469OpenBSD 2.6 1999-12-01 [OBD] 470FreeBSD 3.4 1999-12-20 [FBD] 471BSD/OS 4.1 1999-12-xx [BSDI] 472FreeBSD 4.0 2000-03-13 [FBD] 473NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 474OpenBSD 2.7 2000-06-15 [OBD] 475FreeBSD 3.5 2000-06-24 [FBD] 476FreeBSD 4.1 2000-07-27 [FBD] 477FreeBSD 3.5.1 2000-07-28 [FBD] 478FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 479FreeBSD 4.2 2000-11-21 [FBD] 480NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 481BSD/OS 4.2 2000-11-29 [BSDI] 482OpenBSD 2.8 2000-12-01 [OBD] 483NetBSD 1.5 2000-12-06 [NBD] 484Mac OS X 10.0 2001-03-24 [APL] 485FreeBSD 4.3 2001-04-20 [FBD] 486OpenBSD 2.9 2001-06-01 [OBD] 487NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 488NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 489FreeBSD 4.4 2001-09-18 [FBD] 490Mac OS X 10.1 2001-09-29 [APL] 491OpenBSD 3.0 2001-12-01 [OBD] 492FreeBSD 4.5 2002-01-29 [FBD] 493BSD/OS 4.3 2002-03-14 [WRS] 494OpenBSD 3.1 2002-05-19 [OBD] 495FreeBSD 4.6 2002-06-15 [FBD] 496NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 497FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 498Mac OS X 10.2 2002-08-23 [APL] 499NetBSD 1.6 2002-09-14 [NBD] 500FreeBSD 4.7 2002-10-08 [FBD] 501OpenBSD 3.2 2002-11-01 [OBD] 502FreeBSD 5.0 2003-01-17 [FBD] 503 FreeBSD 5.0 is a separate branch off of 504 -current, similar to 3.0. 505FreeBSD 4.8 2003-04-03 [FBD] 506NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 507OpenBSD 3.3 2003-05-01 [OBD] 508BSD/OS 5.0 2003-05-?? [WRS] 509FreeBSD 5.1 2003-06-09 [FBD] 510Mac OS X 10.3 2003-10-24 [APL] 511FreeBSD 4.9 2003-10-28 [FBD] 512BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 513OpenBSD 3.4 2003-11-01 [OBD] 514FreeBSD 5.2 2004-01-12 [FBD] 515FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 516NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 517OpenBSD 3.5 2004-04-01 [OBD] 518FreeBSD 4.10 2004-05-27 [FBD] 519DragonFly 1.0 2004-07-12 [DFB] 520OpenBSD 3.6 2004-10-29 [OBD] 521FreeBSD 5.3 2004-11-06 [FBD] 522NetBSD 2.0 2004-12-09 [NBD] 523FreeBSD 4.11 2005-01-25 [FBD] 524DragonFly 1.2.0 2005-04-08 [DFB] 525NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 526Mac OS X 10.4 2005-04-29 [APL] 527FreeBSD 5.4 2005-05-09 [FBD] 528OpenBSD 3.7 2005-05-19 [OBD] 529NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 530OpenBSD 3.8 2005-11-01 [OBD] 531FreeBSD 6.0 2005-11-01 [FBD] 532NetBSD 2.1 2005-11-02 [NBD] 533NetBSD 3.0 2005-12-23 [NBD] 534DragonFly 1.4.0 2006-01-08 [DFB] 535OpenBSD 3.9 2006-05-01 [OBD] 536FreeBSD 6.1 2006-05-08 [FBD] 537FreeBSD 5.5 2006-05-25 [FBD] 538NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 539DragonFly 1.6.0 2006-07-24 [DFB] 540OpenBSD 4.0 2006-11-01 [OBD] 541NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 542NetBSD 3.1 2006-11-04 [NBD] 543FreeBSD 6.2 2007-01-15 [FBD] 544DragonFly 1.8.0 2007-01-30 [DFB] 545OpenBSD 4.1 2007-05-01 [OBD] 546DragonFly 1.10.0 2007-08-06 [DFB] 547Mac OS X 10.5 2007-10-26 [APL] 548OpenBSD 4.2 2007-11-01 [OBD] 549NetBSD 4.0 2007-12-19 [NBD] 550FreeBSD 6.3 2008-01-18 [FBD] 551DragonFly 1.12.0 2008-02-26 [DFB] 552FreeBSD 7.0 2008-02-27 [FBD] 553OpenBSD 4.3 2008-05-01 [OBD] 554DragonFly 2.0.0 2008-07-21 [DFB] 555OpenBSD 4.4 2008-11-01 [OBD] 556FreeBSD 6.4 2008-11-28 [FBD] 557FreeBSD 7.1 2009-01-04 [FBD] 558DragonFly 2.2.0 2009-02-17 [DFB] 559NetBSD 5.0 2009-04-29 [NBD] 560OpenBSD 4.5 2009-05-01 [OBD] 561FreeBSD 7.2 2009-05-04 [FBD] 562Mac OS X 10.6 2009-06-08 [APL] 563NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 564DragonFly 2.4.0 2009-09-16 [DFB] 565OpenBSD 4.6 2009-10-18 [OBD] 566FreeBSD 8.0 2009-11-26 [FBD] 567NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 568FreeBSD 7.3 2010-03-23 [FBD] 569DragonFly 2.6.0 2010-03-28 [DFB] 570OpenBSD 4.7 2010-05-19 [OBD] 571FreeBSD 8.1 2010-07-24 [FBD] 572DragonFly 2.8.2 2010-10-30 [DFB] 573OpenBSD 4.8 2010-11-01 [OBD] 574NetBSD 5.1 2010-11-19 [NBD] 575FreeBSD 7.4 2011-02-24 [FBD] 576FreeBSD 8.2 2011-02-24 [FBD] 577DragonFly 2.10.1 2011-04-26 [DFB] 578OpenBSD 4.9 2011-05-01 [OBD] 579Mac OS X 10.7 2011-07-20 [APL] 580OpenBSD 5.0 2011-11-01 [OBD] 581FreeBSD 9.0 2012-01-12 [FBD] 582NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 583DragonFly 3.0.1 2012-02-21 [DFB] 584FreeBSD 8.3 2012-04-18 [FBD] 585OpenBSD 5.1 2012-05-01 [OBD] 586Mac OS X 10.8 2012-07-25 [APL] 587NetBSD 6.0 2012-10-17 [NBD] 588OpenBSD 5.2 2012-11-01 [OBD] 589DragonFly 3.2.1 2012-11-02 [DFB] 590NetBSD 5.2 2012-12-03 [NBD] 591NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 592FreeBSD 9.1 2012-12-30 [FBD] 593DragonFly 3.4.1 2013-04-29 [DFB] 594OpenBSD 5.3 2013-05-01 [OBD] 595NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 596NetBSD 6.1 2013-05-18 [NBD] 597FreeBSD 8.4 2013-06-07 [FBD] 598NetBSD 6.1.1 2013-08-22 [NBD] 599NetBSD 5.1.3 2013-09-29 [NBD] 600NetBSD 5.2.1 2013-09-29 [NBD] 601FreeBSD 9.2 2013-09-30 [FBD] 602NetBSD 6.0.3 2013-09-30 [NBD] 603NetBSD 6.1.2 2013-09-30 [NBD] 604Mac OS X 10.9 2013-10-22 [APL] 605OpenBSD 5.4 2013-11-01 [OBD] 606 607Bibliography 608------------------------ 609 610Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 611Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 612System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 613 614Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 615Company, Inc., 1994. ISBN 0-201-54777-5 616 617McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 618Quarterman. The Design and Implementation of the 4.4BSD Operating 619System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 620 621McKusick, Marshall Kirk, George Neville-Neil. The Design and 622Implementation of the FreeBSD Operating System. 623Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 624 625Doug McIlroy. Research Unix Reader. 626 627Michael G. Brown. The Role of BSD in the Development of Unix. 628Presented to the Tasmanian Unix Special Interest Group of the 629Australian Computer Society, Hobart, August 1993. 630 631Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 632URL: http://www.byte.com/art/9410/sec8/art3.htm 633 634Andreas Klemm, Lars Köller. If you're going to San Francisco ... 635Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 636 637BSD Release Announcements collection. 638URL: http://www.FreeBSD.org/releases/ 639 640BSD Hypertext Man Pages 641URL: http://www.FreeBSD.org/cgi/man.cgi 642 643UNIX history graphing project 644URL: http://minnie.tuhs.org/Unix_History/index.html 645 646UNIX history 647URL: http://www.levenez.com/unix/ 648 649James Howard: The BSD Family Tree 650URL: http://ezine.daemonnews.org/200104/bsd_family.html 651("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 652 653 654Acknowledgments 655--------------- 656 657Josh Gilliam for suggestions, bug fixes, and finding very old 658original BSD announcements from Usenet or tapes. 659 660Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 661 662-- 663Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 664URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 665 666$FreeBSD: head/share/misc/bsd-family-tree 257516 2013-11-01 18:55:56Z pluknet $ 667