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 | | | | | | | | | 260 | | | | | | NetBSD | | 261 | | | | | | 5.1.4 | | 262 | | | | | | OpenBSD 5.1 | 263 | | | Mac OS X | `----. | | 264 | | | 10.8 | \ | | 265 | | | | NetBSD 6.0 | | | 266 | | | | | | | | OpenBSD 5.2 DragonFly 3.2.1 267 | FreeBSD | | | | | NetBSD | | 268 | 9.1 | | | | | 5.2 | | 269 | | | | | | | | | | 270 | | | | | | | NetBSD | | 271 | | | | | | | 5.2.1 | | 272 | | | | | | | | | | 273 | | | | | | | NetBSD | | 274 | | | | | | | 5.2.2 | | 275 | | | | | | | | | 276 | | | | | | \ | | 277 | | | | | | NetBSD | | 278 | | | | | | 6.0.1 | | 279 | | | | | | | OpenBSD 5.3 DragonFly 3.4.1 280 | | | | | | NetBSD | | 281 | | | | | | 6.0.2 | | 282 | | | | | | | | | 283 | | | | | | NetBSD 6.0.3 | | 284 | | | | | | | | | 285 | | | | | | NetBSD 6.0.4 | | 286 | | | | | | | | | 287 | | | | | | NetBSD 6.0.5 | | 288 | | | | | | | | 289 | | | | | `-NetBSD 6.1 | | 290 | | FreeBSD | | | | | 291 | | 8.4 | | NetBSD 6.1.1 | | 292 | | | | | | | 293 | FreeBSD | | NetBSD 6.1.2 | | 294 | 9.2 Mac OS X | | | | 295 | 10.9 | | OpenBSD 5.4 | 296 | | | | | DragonFly 3.6.0 297 | | | | | | 298 *--FreeBSD | | NetBSD 6.1.3 | | 299 | 10.0 | | | | | 300 | | | NetBSD 6.1.4 | | 301 | | | | | 302 | | | | DragonFly 3.6.1 303 | | | OpenBSD 5.5 | 304 | | | | | 305FreeBSD 11 -current | NetBSD -current OpenBSD -current DragonFly -current 306 | | | | | 307 v v v v v 308 309Time 310---------------- 311 312Time tolerance +/- 6 months, depending on which book/article you read; if it 313was the announcement in Usenet or if it was available as tape. 314 315[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 316 and John Quarterman. The Design and Implementation of 317 the 4.4BSD Operating System. 318[APL] Apple website [http://www.apple.com/macosx/] 319[BSDI] Berkeley Software Design, Inc. 320[DFB] DragonFlyBSD Project, The. 321[DOC] README, COPYRIGHT on tape. 322[FBD] FreeBSD Project, The. 323[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 324 Volume 11, Info 4, April, 1987. 325[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 326 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 327[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 328 Changes in the Kernel in 2.9BSD. Second Berkeley Software 329 Distribution UNIX Version 2.9, July, 1983. 330[NBD] NetBSD Project, The. 331[OBD] OpenBSD Project, The. 332[QCU] Salus, Peter H. A quarter century of UNIX. 333[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 334[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 335[USE] Usenet announcement. 336[WRS] Wind River Systems, Inc. 337[dmr] Dennis Ritchie, via E-Mail 338 339Multics 1965 340UNIX Summer 1969 341 DEC PDP-7 342First Edition 1971-11-03 [QCU] 343 DEC PDP-11/20, Assembler 344Second Edition 1972-06-12 [QCU] 345 10 UNIX installations 346Third Edition 1973-02-xx [QCU] 347 Pipes, 16 installations 348Fourth Edition 1973-11-xx [QCU] 349 rewriting in C effected, 350 above 30 installations 351Fifth Edition 1974-06-xx [QCU] 352 above 50 installations 353Sixth Edition 1975-05-xx [QCU] 354 port to DEC Vax 355Seventh Edition 1979-01-xx [QCU] 356 first portable UNIX 357Eighth Edition 1985-02-xx [QCU] 358 VAX 11/750, VAX 11/780 [dmr] 359 descended from 4.1c BSD [dmr] 360 descended from 4.1 BSD [44B] 361 scooping-out and replacement of the character-device 362 and networking part by the streams mechanism 363 364Ninth Edition 1986-09-xx [QCU] 365Tenth Edition 1989-10-xx [QCU] 366 3671BSD late 1977 368 1978-03-09 [QCU] 369 PDP-11, Pascal, ex(1) 370 30 free copies of 1BSD sent out 371 35 tapes sold for 50 USD [QCU] 3722BSD mid 1978 [QCU] 1979-05-10 [TUHS] 373 75 2BSD tapes shipped 3742.79BSD 1980-04-xx [TUHS] 3752.8BSD 1981-07-xx [KSJ] 376 3772.8.1BSD 1982-01-xx [QCU] 378 set of performance improvements 3792.9BSD 1983-07-xx [KSJ] 3802.9.1BSD 1983-11-xx [TUHS] 3812.9BSD-Seismo 1985-08-xx [SMS] 3822.10BSD 1987-04-xx [KKK] 3832.10.1BSD 1989-01-xx [SMS] 3842.11BSD 1992-02-xx [SMS] 3852.11BSD rev #430 1999-12-13 [SMS] 386 38732V 1978-1[01]-xx [QCU] 3883BSD late 1979 [QCU] March 1980 [TUHS] 389 virtual memory, page replacement, 390 demand paging 3914.0BSD 1980-10-xx 3924.1BSD 1981-07-08 [DOC] 3934.1aBSD 1982-04-xx 394 alpha release, 100 sites, networking [44B] 3954.1bBSD internal release, fast filesystem [44B] 3964.1cBSD late 1982 397 beta release, IPC [44B] 3984.2BSD 1983-09-xx [QCU] 399 1983-08-03 [DOC] 4004.3BSD 1986-06-xx [QCU] 401 1986-04-05 [KB], [DOC] 4024.3BSD Tahoe 1988-06-15 [QCU], [DOC] 4034.3BSD NET/1 1988-11-xx [QCU] 404 1989-01-01 [DOC] 4054.3BSD Reno 1990-06-29 [QCU], [DOC] 4064.3BSD NET/2 1991-06-28 [QCU], [DOC] 407 408BSD/386 ALPHA 1991-12-xx [BSDI] 409 first code released to people outside BSDI 410386BSD 0.0 1992-02-xx [DOC] 411BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 412BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 413386BSD 0.1 1992-07-28 [DOC] 4144.4BSD Alpha 1992-07-07 415BSD/386 0.9.3 1992-10-xx [BSDI] 416 first external gamma; G customers 417BSD/386 0.9.4 1992-12-xx [BSDI] 418 would have been 1.0 except for request 419 for preliminary injunction 420BSD/386 1.0 1993-03-xx [BSDI] 421 injunction denied; first official release 422NetBSD 0.8 1993-04-20 [NBD] 4234.4BSD 1993-06-01 [USE] 424NetBSD 0.9 1993-08-23 [NBD] 425FreeBSD 1.0 1993-11-01 [FBD] 426FreeBSD 1.0.2 1993-11-14 [FBD] 427 supersedes 1.0 13 days after release. 428BSD/386 1.1 1994-02-xx [BSDI] 4294.4BSD Lite 1994-03-01 [USE] 430FreeBSD 1.1 1994-05-07 [FBD] 431FreeBSD 1.1.5 1994-06-30 [FBD] 432FreeBSD 1.1.5.1 1994-07-05 [FBD] 433 supersedes 1.1.5 5 days after release. 434NetBSD 1.0 1994-10-26 [NBD] 435386BSD 1.0 1994-11-12 [USE] 436FreeBSD 2.0 1994-11-23 [FBD] 437BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 438FreeBSD 2.0.5 1995-06-10 [FBD] 439BSD/OS 2.0.1 1995-06-xx [BSDI] 4404.4BSD Lite Release 2 1995-06-xx [44B] 441 the true final distribution from the CSRG 442FreeBSD 2.1.0 1995-11-19 [FBD] 443NetBSD 1.1 1995-11-26 [NBD] 444BSD/OS 2.1 1996-01-xx [BSDI] 445FreeBSD 2.1.5 1996-07-14 [FBD] 446NetBSD 1.2 1996-10-04 [NBD] 447OpenBSD 2.0 1996-10-18 [OBD] 448FreeBSD 2.1.6 1996-11-16 [FBD] 449FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 450Rhapsody 1997-xx-xx 451FreeBSD 2.1.7 1997-02-20 [FBD] 452BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 453FreeBSD 2.2.0 1997-03-16 [FBD] 454FreeBSD 2.2.1 1997-03-25 [FBD] 455FreeBSD 2.2.2 1997-05-16 [FBD] 456NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 457OpenBSD 2.1 1997-06-01 [OBD] 458FreeBSD 2.2.5 1997-10-22 [FBD] 459OpenBSD 2.2 1997-12-01 [OBD] 460NetBSD 1.3 1998-01-04 [NBD] 461FreeBSD 2.2.6 1998-03-25 [FBD] 462NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 463BSD/OS 3.1 1998-03-xx [BSDI] 464OpenBSD 2.3 1998-05-19 [OBD] 465NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 466FreeBSD 2.2.7 1998-07-22 [FBD] 467BSD/OS 4.0 1998-08-xx [BSDI] 468 2-lock MP support, ELF executables 469FreeBSD 3.0 1998-10-16 [FBD] 470 FreeBSD-3.0 is a snapshot from -current, 471 while 3.1 and 3.2 are from 3.x-stable which 472 was branched quite some time after 3.0-release 473FreeBSD 2.2.8 1998-11-29 [FBD] 474OpenBSD 2.4 1998-12-01 [OBD] 475NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 476FreeBSD 3.1 1999-02-15 [FBD] 477BSD/OS 4.0.1 1999-03-xx [BSDI] 478NetBSD 1.4 1999-05-12 [NBD] 479FreeBSD 3.2 1999-05-17 [FBD] 480OpenBSD 2.5 1999-05-19 [OBD] 481NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 482FreeBSD 3.3 1999-09-17 [FBD] 483OpenBSD 2.6 1999-12-01 [OBD] 484FreeBSD 3.4 1999-12-20 [FBD] 485BSD/OS 4.1 1999-12-xx [BSDI] 486FreeBSD 4.0 2000-03-13 [FBD] 487NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 488OpenBSD 2.7 2000-06-15 [OBD] 489FreeBSD 3.5 2000-06-24 [FBD] 490FreeBSD 4.1 2000-07-27 [FBD] 491FreeBSD 3.5.1 2000-07-28 [FBD] 492FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 493FreeBSD 4.2 2000-11-21 [FBD] 494NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 495BSD/OS 4.2 2000-11-29 [BSDI] 496OpenBSD 2.8 2000-12-01 [OBD] 497NetBSD 1.5 2000-12-06 [NBD] 498Mac OS X 10.0 2001-03-24 [APL] 499FreeBSD 4.3 2001-04-20 [FBD] 500OpenBSD 2.9 2001-06-01 [OBD] 501NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 502NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 503FreeBSD 4.4 2001-09-18 [FBD] 504Mac OS X 10.1 2001-09-29 [APL] 505OpenBSD 3.0 2001-12-01 [OBD] 506FreeBSD 4.5 2002-01-29 [FBD] 507BSD/OS 4.3 2002-03-14 [WRS] 508OpenBSD 3.1 2002-05-19 [OBD] 509FreeBSD 4.6 2002-06-15 [FBD] 510NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 511FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 512Mac OS X 10.2 2002-08-23 [APL] 513NetBSD 1.6 2002-09-14 [NBD] 514FreeBSD 4.7 2002-10-08 [FBD] 515OpenBSD 3.2 2002-11-01 [OBD] 516FreeBSD 5.0 2003-01-17 [FBD] 517 FreeBSD 5.0 is a separate branch off of 518 -current, similar to 3.0. 519FreeBSD 4.8 2003-04-03 [FBD] 520NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 521OpenBSD 3.3 2003-05-01 [OBD] 522BSD/OS 5.0 2003-05-?? [WRS] 523FreeBSD 5.1 2003-06-09 [FBD] 524Mac OS X 10.3 2003-10-24 [APL] 525FreeBSD 4.9 2003-10-28 [FBD] 526BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 527OpenBSD 3.4 2003-11-01 [OBD] 528FreeBSD 5.2 2004-01-12 [FBD] 529FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 530NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 531OpenBSD 3.5 2004-04-01 [OBD] 532FreeBSD 4.10 2004-05-27 [FBD] 533DragonFly 1.0 2004-07-12 [DFB] 534OpenBSD 3.6 2004-10-29 [OBD] 535FreeBSD 5.3 2004-11-06 [FBD] 536NetBSD 2.0 2004-12-09 [NBD] 537FreeBSD 4.11 2005-01-25 [FBD] 538DragonFly 1.2.0 2005-04-08 [DFB] 539NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 540Mac OS X 10.4 2005-04-29 [APL] 541FreeBSD 5.4 2005-05-09 [FBD] 542OpenBSD 3.7 2005-05-19 [OBD] 543NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 544OpenBSD 3.8 2005-11-01 [OBD] 545FreeBSD 6.0 2005-11-01 [FBD] 546NetBSD 2.1 2005-11-02 [NBD] 547NetBSD 3.0 2005-12-23 [NBD] 548DragonFly 1.4.0 2006-01-08 [DFB] 549OpenBSD 3.9 2006-05-01 [OBD] 550FreeBSD 6.1 2006-05-08 [FBD] 551FreeBSD 5.5 2006-05-25 [FBD] 552NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 553DragonFly 1.6.0 2006-07-24 [DFB] 554OpenBSD 4.0 2006-11-01 [OBD] 555NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 556NetBSD 3.1 2006-11-04 [NBD] 557FreeBSD 6.2 2007-01-15 [FBD] 558DragonFly 1.8.0 2007-01-30 [DFB] 559OpenBSD 4.1 2007-05-01 [OBD] 560DragonFly 1.10.0 2007-08-06 [DFB] 561Mac OS X 10.5 2007-10-26 [APL] 562OpenBSD 4.2 2007-11-01 [OBD] 563NetBSD 4.0 2007-12-19 [NBD] 564FreeBSD 6.3 2008-01-18 [FBD] 565DragonFly 1.12.0 2008-02-26 [DFB] 566FreeBSD 7.0 2008-02-27 [FBD] 567OpenBSD 4.3 2008-05-01 [OBD] 568DragonFly 2.0.0 2008-07-21 [DFB] 569OpenBSD 4.4 2008-11-01 [OBD] 570FreeBSD 6.4 2008-11-28 [FBD] 571FreeBSD 7.1 2009-01-04 [FBD] 572DragonFly 2.2.0 2009-02-17 [DFB] 573NetBSD 5.0 2009-04-29 [NBD] 574OpenBSD 4.5 2009-05-01 [OBD] 575FreeBSD 7.2 2009-05-04 [FBD] 576Mac OS X 10.6 2009-06-08 [APL] 577NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 578DragonFly 2.4.0 2009-09-16 [DFB] 579OpenBSD 4.6 2009-10-18 [OBD] 580FreeBSD 8.0 2009-11-26 [FBD] 581NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 582FreeBSD 7.3 2010-03-23 [FBD] 583DragonFly 2.6.0 2010-03-28 [DFB] 584OpenBSD 4.7 2010-05-19 [OBD] 585FreeBSD 8.1 2010-07-24 [FBD] 586DragonFly 2.8.2 2010-10-30 [DFB] 587OpenBSD 4.8 2010-11-01 [OBD] 588NetBSD 5.1 2010-11-19 [NBD] 589FreeBSD 7.4 2011-02-24 [FBD] 590FreeBSD 8.2 2011-02-24 [FBD] 591DragonFly 2.10.1 2011-04-26 [DFB] 592OpenBSD 4.9 2011-05-01 [OBD] 593Mac OS X 10.7 2011-07-20 [APL] 594OpenBSD 5.0 2011-11-01 [OBD] 595FreeBSD 9.0 2012-01-12 [FBD] 596NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 597DragonFly 3.0.1 2012-02-21 [DFB] 598FreeBSD 8.3 2012-04-18 [FBD] 599OpenBSD 5.1 2012-05-01 [OBD] 600Mac OS X 10.8 2012-07-25 [APL] 601NetBSD 6.0 2012-10-17 [NBD] 602OpenBSD 5.2 2012-11-01 [OBD] 603DragonFly 3.2.1 2012-11-02 [DFB] 604NetBSD 5.2 2012-12-03 [NBD] 605NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 606FreeBSD 9.1 2012-12-30 [FBD] 607DragonFly 3.4.1 2013-04-29 [DFB] 608OpenBSD 5.3 2013-05-01 [OBD] 609NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 610NetBSD 6.1 2013-05-18 [NBD] 611FreeBSD 8.4 2013-06-07 [FBD] 612NetBSD 6.1.1 2013-08-22 [NBD] 613NetBSD 5.1.3 2013-09-29 [NBD] 614NetBSD 5.2.1 2013-09-29 [NBD] 615FreeBSD 9.2 2013-09-30 [FBD] 616NetBSD 6.0.3 2013-09-30 [NBD] 617NetBSD 6.1.2 2013-09-30 [NBD] 618Mac OS X 10.9 2013-10-22 [APL] 619OpenBSD 5.4 2013-11-01 [OBD] 620DragonFly 3.6.0 2013-11-25 [DFB] 621FreeBSD 10.0 2014-01-20 [FBD] 622NetBSD 5.1.4 2014-01-25 [NBD] 623NetBSD 5.2.2 2014-01-25 [NBD] 624NetBSD 6.0.4 2014-01-25 [NBD] 625NetBSD 6.1.3 2014-01-25 [NBD] 626DragonFly 3.6.1 2014-02-22 [DFB] 627NetBSD 6.0.5 2014-04-12 [NBD] 628NetBSD 6.1.4 2014-04-12 [NBD] 629OpenBSD 5.5 2014-05-01 [OBD] 630 631Bibliography 632------------------------ 633 634Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 635Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 636System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 637 638Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 639Company, Inc., 1994. ISBN 0-201-54777-5 640 641McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 642Quarterman. The Design and Implementation of the 4.4BSD Operating 643System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 644 645McKusick, Marshall Kirk, George Neville-Neil. The Design and 646Implementation of the FreeBSD Operating System. 647Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 648 649Doug McIlroy. Research Unix Reader. 650 651Michael G. Brown. The Role of BSD in the Development of Unix. 652Presented to the Tasmanian Unix Special Interest Group of the 653Australian Computer Society, Hobart, August 1993. 654 655Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 656URL: http://www.byte.com/art/9410/sec8/art3.htm 657 658Andreas Klemm, Lars Köller. If you're going to San Francisco ... 659Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 660 661BSD Release Announcements collection. 662URL: http://www.FreeBSD.org/releases/ 663 664BSD Hypertext Man Pages 665URL: http://www.FreeBSD.org/cgi/man.cgi 666 667UNIX history graphing project 668URL: http://minnie.tuhs.org/Unix_History/index.html 669 670UNIX history 671URL: http://www.levenez.com/unix/ 672 673James Howard: The BSD Family Tree 674URL: http://ezine.daemonnews.org/200104/bsd_family.html 675("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 676 677 678Acknowledgments 679--------------- 680 681Josh Gilliam for suggestions, bug fixes, and finding very old 682original BSD announcements from Usenet or tapes. 683 684Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 685 686-- 687Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 688URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 689 690$FreeBSD$ 691