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 6.1 | | 283 | | FreeBSD | | | | | 284 | | 8.4 | | NetBSD 6.1.1 | | 285 | | | | | | | 286 | FreeBSD | | NetBSD 6.1.2 | | 287 | 9.2 Mac OS X | | | | 288 | 10.9 | | OpenBSD 5.4 | 289 | | | | | DragonFly 3.6.0 290 | | | | | | 291 *--FreeBSD | | NetBSD 6.1.3 | | 292 | 10.0 | | | | 293 | | | | | 294 | | | | | 295FreeBSD 11 -current | NetBSD -current OpenBSD -current | 296 | | | | | 297 v v v v v 298 299Time 300---------------- 301 302Time tolerance +/- 6 months, depending on which book/article you read; if it 303was the announcement in Usenet or if it was available as tape. 304 305[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 306 and John Quarterman. The Design and Implementation of 307 the 4.4BSD Operating System. 308[APL] Apple website [http://www.apple.com/macosx/] 309[BSDI] Berkeley Software Design, Inc. 310[DFB] DragonFlyBSD Project, The. 311[DOC] README, COPYRIGHT on tape. 312[FBD] FreeBSD Project, The. 313[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 314 Volume 11, Info 4, April, 1987. 315[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 316 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 317[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 318 Changes in the Kernel in 2.9BSD. Second Berkeley Software 319 Distribution UNIX Version 2.9, July, 1983. 320[NBD] NetBSD Project, The. 321[OBD] OpenBSD Project, The. 322[QCU] Salus, Peter H. A quarter century of UNIX. 323[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 324[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 325[USE] Usenet announcement. 326[WRS] Wind River Systems, Inc. 327[dmr] Dennis Ritchie, via E-Mail 328 329Multics 1965 330UNIX Summer 1969 331 DEC PDP-7 332First Edition 1971-11-03 [QCU] 333 DEC PDP-11/20, Assembler 334Second Edition 1972-06-12 [QCU] 335 10 UNIX installations 336Third Edition 1973-02-xx [QCU] 337 Pipes, 16 installations 338Fourth Edition 1973-11-xx [QCU] 339 rewriting in C effected, 340 above 30 installations 341Fifth Edition 1974-06-xx [QCU] 342 above 50 installations 343Sixth Edition 1975-05-xx [QCU] 344 port to DEC Vax 345Seventh Edition 1979-01-xx [QCU] 346 first portable UNIX 347Eighth Edition 1985-02-xx [QCU] 348 VAX 11/750, VAX 11/780 [dmr] 349 descended from 4.1c BSD [dmr] 350 descended from 4.1 BSD [44B] 351 scooping-out and replacement of the character-device 352 and networking part by the streams mechanism 353 354Ninth Edition 1986-09-xx [QCU] 355Tenth Edition 1989-10-xx [QCU] 356 3571BSD late 1977 358 1978-03-09 [QCU] 359 PDP-11, Pascal, ex(1) 360 30 free copies of 1BSD sent out 361 35 tapes sold for 50 USD [QCU] 3622BSD mid 1978 [QCU] 1979-05-10 [TUHS] 363 75 2BSD tapes shipped 3642.79BSD 1980-04-xx [TUHS] 3652.8BSD 1981-07-xx [KSJ] 366 3672.8.1BSD 1982-01-xx [QCU] 368 set of performance improvements 3692.9BSD 1983-07-xx [KSJ] 3702.9.1BSD 1983-11-xx [TUHS] 3712.9BSD-Seismo 1985-08-xx [SMS] 3722.10BSD 1987-04-xx [KKK] 3732.10.1BSD 1989-01-xx [SMS] 3742.11BSD 1992-02-xx [SMS] 3752.11BSD rev #430 1999-12-13 [SMS] 376 37732V 1978-1[01]-xx [QCU] 3783BSD late 1979 [QCU] March 1980 [TUHS] 379 virtual memory, page replacement, 380 demand paging 3814.0BSD 1980-10-xx 3824.1BSD 1981-07-08 [DOC] 3834.1aBSD 1982-04-xx 384 alpha release, 100 sites, networking [44B] 3854.1bBSD internal release, fast filesystem [44B] 3864.1cBSD late 1982 387 beta release, IPC [44B] 3884.2BSD 1983-09-xx [QCU] 389 1983-08-03 [DOC] 3904.3BSD 1986-06-xx [QCU] 391 1986-04-05 [KB], [DOC] 3924.3BSD Tahoe 1988-06-15 [QCU], [DOC] 3934.3BSD NET/1 1988-11-xx [QCU] 394 1989-01-01 [DOC] 3954.3BSD Reno 1990-06-29 [QCU], [DOC] 3964.3BSD NET/2 1991-06-28 [QCU], [DOC] 397 398BSD/386 ALPHA 1991-12-xx [BSDI] 399 first code released to people outside BSDI 400386BSD 0.0 1992-02-xx [DOC] 401BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 402BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 403386BSD 0.1 1992-07-28 [DOC] 4044.4BSD Alpha 1992-07-07 405BSD/386 0.9.3 1992-10-xx [BSDI] 406 first external gamma; G customers 407BSD/386 0.9.4 1992-12-xx [BSDI] 408 would have been 1.0 except for request 409 for preliminary injunction 410BSD/386 1.0 1993-03-xx [BSDI] 411 injunction denied; first official release 412NetBSD 0.8 1993-04-20 [NBD] 4134.4BSD 1993-06-01 [USE] 414NetBSD 0.9 1993-08-23 [NBD] 415FreeBSD 1.0 1993-11-01 [FBD] 416FreeBSD 1.0.2 1993-11-14 [FBD] 417 supersedes 1.0 13 days after release. 418BSD/386 1.1 1994-02-xx [BSDI] 4194.4BSD Lite 1994-03-01 [USE] 420FreeBSD 1.1 1994-05-07 [FBD] 421FreeBSD 1.1.5 1994-06-30 [FBD] 422FreeBSD 1.1.5.1 1994-07-05 [FBD] 423 supersedes 1.1.5 5 days after release. 424NetBSD 1.0 1994-10-26 [NBD] 425386BSD 1.0 1994-11-12 [USE] 426FreeBSD 2.0 1994-11-23 [FBD] 427BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 428FreeBSD 2.0.5 1995-06-10 [FBD] 429BSD/OS 2.0.1 1995-06-xx [BSDI] 4304.4BSD Lite Release 2 1995-06-xx [44B] 431 the true final distribution from the CSRG 432FreeBSD 2.1.0 1995-11-19 [FBD] 433NetBSD 1.1 1995-11-26 [NBD] 434BSD/OS 2.1 1996-01-xx [BSDI] 435FreeBSD 2.1.5 1996-07-14 [FBD] 436NetBSD 1.2 1996-10-04 [NBD] 437OpenBSD 2.0 1996-10-18 [OBD] 438FreeBSD 2.1.6 1996-11-16 [FBD] 439FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 440Rhapsody 1997-xx-xx 441FreeBSD 2.1.7 1997-02-20 [FBD] 442BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 443FreeBSD 2.2.0 1997-03-16 [FBD] 444FreeBSD 2.2.1 1997-03-25 [FBD] 445FreeBSD 2.2.2 1997-05-16 [FBD] 446NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 447OpenBSD 2.1 1997-06-01 [OBD] 448FreeBSD 2.2.5 1997-10-22 [FBD] 449OpenBSD 2.2 1997-12-01 [OBD] 450NetBSD 1.3 1998-01-04 [NBD] 451FreeBSD 2.2.6 1998-03-25 [FBD] 452NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 453BSD/OS 3.1 1998-03-xx [BSDI] 454OpenBSD 2.3 1998-05-19 [OBD] 455NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 456FreeBSD 2.2.7 1998-07-22 [FBD] 457BSD/OS 4.0 1998-08-xx [BSDI] 458 2-lock MP support, ELF executables 459FreeBSD 3.0 1998-10-16 [FBD] 460 FreeBSD-3.0 is a snapshot from -current, 461 while 3.1 and 3.2 are from 3.x-stable which 462 was branched quite some time after 3.0-release 463FreeBSD 2.2.8 1998-11-29 [FBD] 464OpenBSD 2.4 1998-12-01 [OBD] 465NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 466FreeBSD 3.1 1999-02-15 [FBD] 467BSD/OS 4.0.1 1999-03-xx [BSDI] 468NetBSD 1.4 1999-05-12 [NBD] 469FreeBSD 3.2 1999-05-17 [FBD] 470OpenBSD 2.5 1999-05-19 [OBD] 471NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 472FreeBSD 3.3 1999-09-17 [FBD] 473OpenBSD 2.6 1999-12-01 [OBD] 474FreeBSD 3.4 1999-12-20 [FBD] 475BSD/OS 4.1 1999-12-xx [BSDI] 476FreeBSD 4.0 2000-03-13 [FBD] 477NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 478OpenBSD 2.7 2000-06-15 [OBD] 479FreeBSD 3.5 2000-06-24 [FBD] 480FreeBSD 4.1 2000-07-27 [FBD] 481FreeBSD 3.5.1 2000-07-28 [FBD] 482FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 483FreeBSD 4.2 2000-11-21 [FBD] 484NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 485BSD/OS 4.2 2000-11-29 [BSDI] 486OpenBSD 2.8 2000-12-01 [OBD] 487NetBSD 1.5 2000-12-06 [NBD] 488Mac OS X 10.0 2001-03-24 [APL] 489FreeBSD 4.3 2001-04-20 [FBD] 490OpenBSD 2.9 2001-06-01 [OBD] 491NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 492NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 493FreeBSD 4.4 2001-09-18 [FBD] 494Mac OS X 10.1 2001-09-29 [APL] 495OpenBSD 3.0 2001-12-01 [OBD] 496FreeBSD 4.5 2002-01-29 [FBD] 497BSD/OS 4.3 2002-03-14 [WRS] 498OpenBSD 3.1 2002-05-19 [OBD] 499FreeBSD 4.6 2002-06-15 [FBD] 500NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 501FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 502Mac OS X 10.2 2002-08-23 [APL] 503NetBSD 1.6 2002-09-14 [NBD] 504FreeBSD 4.7 2002-10-08 [FBD] 505OpenBSD 3.2 2002-11-01 [OBD] 506FreeBSD 5.0 2003-01-17 [FBD] 507 FreeBSD 5.0 is a separate branch off of 508 -current, similar to 3.0. 509FreeBSD 4.8 2003-04-03 [FBD] 510NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 511OpenBSD 3.3 2003-05-01 [OBD] 512BSD/OS 5.0 2003-05-?? [WRS] 513FreeBSD 5.1 2003-06-09 [FBD] 514Mac OS X 10.3 2003-10-24 [APL] 515FreeBSD 4.9 2003-10-28 [FBD] 516BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 517OpenBSD 3.4 2003-11-01 [OBD] 518FreeBSD 5.2 2004-01-12 [FBD] 519FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 520NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 521OpenBSD 3.5 2004-04-01 [OBD] 522FreeBSD 4.10 2004-05-27 [FBD] 523DragonFly 1.0 2004-07-12 [DFB] 524OpenBSD 3.6 2004-10-29 [OBD] 525FreeBSD 5.3 2004-11-06 [FBD] 526NetBSD 2.0 2004-12-09 [NBD] 527FreeBSD 4.11 2005-01-25 [FBD] 528DragonFly 1.2.0 2005-04-08 [DFB] 529NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 530Mac OS X 10.4 2005-04-29 [APL] 531FreeBSD 5.4 2005-05-09 [FBD] 532OpenBSD 3.7 2005-05-19 [OBD] 533NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 534OpenBSD 3.8 2005-11-01 [OBD] 535FreeBSD 6.0 2005-11-01 [FBD] 536NetBSD 2.1 2005-11-02 [NBD] 537NetBSD 3.0 2005-12-23 [NBD] 538DragonFly 1.4.0 2006-01-08 [DFB] 539FreeBSD 2.2.9 2006-04-01 [FBD] 540OpenBSD 3.9 2006-05-01 [OBD] 541FreeBSD 6.1 2006-05-08 [FBD] 542FreeBSD 5.5 2006-05-25 [FBD] 543NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 544DragonFly 1.6.0 2006-07-24 [DFB] 545OpenBSD 4.0 2006-11-01 [OBD] 546NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 547NetBSD 3.1 2006-11-04 [NBD] 548FreeBSD 6.2 2007-01-15 [FBD] 549DragonFly 1.8.0 2007-01-30 [DFB] 550OpenBSD 4.1 2007-05-01 [OBD] 551DragonFly 1.10.0 2007-08-06 [DFB] 552Mac OS X 10.5 2007-10-26 [APL] 553OpenBSD 4.2 2007-11-01 [OBD] 554NetBSD 4.0 2007-12-19 [NBD] 555FreeBSD 6.3 2008-01-18 [FBD] 556DragonFly 1.12.0 2008-02-26 [DFB] 557FreeBSD 7.0 2008-02-27 [FBD] 558OpenBSD 4.3 2008-05-01 [OBD] 559DragonFly 2.0.0 2008-07-21 [DFB] 560OpenBSD 4.4 2008-11-01 [OBD] 561FreeBSD 6.4 2008-11-28 [FBD] 562FreeBSD 7.1 2009-01-04 [FBD] 563DragonFly 2.2.0 2009-02-17 [DFB] 564NetBSD 5.0 2009-04-29 [NBD] 565OpenBSD 4.5 2009-05-01 [OBD] 566FreeBSD 7.2 2009-05-04 [FBD] 567Mac OS X 10.6 2009-06-08 [APL] 568NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 569DragonFly 2.4.0 2009-09-16 [DFB] 570OpenBSD 4.6 2009-10-18 [OBD] 571FreeBSD 8.0 2009-11-26 [FBD] 572NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 573FreeBSD 7.3 2010-03-23 [FBD] 574DragonFly 2.6.0 2010-03-28 [DFB] 575OpenBSD 4.7 2010-05-19 [OBD] 576FreeBSD 8.1 2010-07-24 [FBD] 577DragonFly 2.8.2 2010-10-30 [DFB] 578OpenBSD 4.8 2010-11-01 [OBD] 579NetBSD 5.1 2010-11-19 [NBD] 580FreeBSD 7.4 2011-02-24 [FBD] 581FreeBSD 8.2 2011-02-24 [FBD] 582DragonFly 2.10.1 2011-04-26 [DFB] 583OpenBSD 4.9 2011-05-01 [OBD] 584Mac OS X 10.7 2011-07-20 [APL] 585OpenBSD 5.0 2011-11-01 [OBD] 586FreeBSD 9.0 2012-01-12 [FBD] 587NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 588DragonFly 3.0.1 2012-02-21 [DFB] 589FreeBSD 8.3 2012-04-18 [FBD] 590OpenBSD 5.1 2012-05-01 [OBD] 591Mac OS X 10.8 2012-07-25 [APL] 592NetBSD 6.0 2012-10-17 [NBD] 593OpenBSD 5.2 2012-11-01 [OBD] 594DragonFly 3.2.1 2012-11-02 [DFB] 595NetBSD 5.2 2012-12-03 [NBD] 596NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 597FreeBSD 9.1 2012-12-30 [FBD] 598DragonFly 3.4.1 2013-04-29 [DFB] 599OpenBSD 5.3 2013-05-01 [OBD] 600NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 601NetBSD 6.1 2013-05-18 [NBD] 602FreeBSD 8.4 2013-06-07 [FBD] 603NetBSD 6.1.1 2013-08-22 [NBD] 604NetBSD 5.1.3 2013-09-29 [NBD] 605NetBSD 5.2.1 2013-09-29 [NBD] 606FreeBSD 9.2 2013-09-30 [FBD] 607NetBSD 6.0.3 2013-09-30 [NBD] 608NetBSD 6.1.2 2013-09-30 [NBD] 609Mac OS X 10.9 2013-10-22 [APL] 610OpenBSD 5.4 2013-11-01 [OBD] 611DragonFly 3.6.0 2013-11-25 [DFB] 612FreeBSD 10.0 2014-01-20 [FBD] 613NetBSD 6.1.3 2014-01-27 [NBD] 614 615Bibliography 616------------------------ 617 618Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 619Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 620System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 621 622Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 623Company, Inc., 1994. ISBN 0-201-54777-5 624 625McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 626Quarterman. The Design and Implementation of the 4.4BSD Operating 627System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 628 629McKusick, Marshall Kirk, George Neville-Neil. The Design and 630Implementation of the FreeBSD Operating System. 631Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 632 633Doug McIlroy. Research Unix Reader. 634 635Michael G. Brown. The Role of BSD in the Development of Unix. 636Presented to the Tasmanian Unix Special Interest Group of the 637Australian Computer Society, Hobart, August 1993. 638 639Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 640URL: http://www.byte.com/art/9410/sec8/art3.htm 641 642Andreas Klemm, Lars Köller. If you're going to San Francisco ... 643Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 644 645BSD Release Announcements collection. 646URL: http://www.FreeBSD.org/releases/ 647 648BSD Hypertext Man Pages 649URL: http://www.FreeBSD.org/cgi/man.cgi 650 651UNIX history graphing project 652URL: http://minnie.tuhs.org/Unix_History/index.html 653 654UNIX history 655URL: http://www.levenez.com/unix/ 656 657James Howard: The BSD Family Tree 658URL: http://ezine.daemonnews.org/200104/bsd_family.html 659("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 660 661 662Acknowledgments 663--------------- 664 665Josh Gilliam for suggestions, bug fixes, and finding very old 666original BSD announcements from Usenet or tapes. 667 668Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 669 670-- 671Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 672URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 673 674$FreeBSD: head/share/misc/bsd-family-tree 261318 2014-01-31 08:48:25Z maxim $ 675