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 | | | | | 292 | | | | | 293 | | | | | 294 | | NetBSD -current OpenBSD -current | 295 | | | | | 296 | v v v v 297 | 298 *--FreeBSD 299 | 10.0 300 | 301 | 302FreeBSD 11 -current 303 v 304 305Time 306---------------- 307 308Time tolerance +/- 6 months, depending on which book/article you read; if it 309was the announcement in Usenet or if it was available as tape. 310 311[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 312 and John Quarterman. The Design and Implementation of 313 the 4.4BSD Operating System. 314[APL] Apple website [http://www.apple.com/macosx/] 315[BSDI] Berkeley Software Design, Inc. 316[DFB] DragonFlyBSD Project, The. 317[DOC] README, COPYRIGHT on tape. 318[FBD] FreeBSD Project, The. 319[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 320 Volume 11, Info 4, April, 1987. 321[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 322 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 323[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 324 Changes in the Kernel in 2.9BSD. Second Berkeley Software 325 Distribution UNIX Version 2.9, July, 1983. 326[NBD] NetBSD Project, The. 327[OBD] OpenBSD Project, The. 328[QCU] Salus, Peter H. A quarter century of UNIX. 329[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 330[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 331[USE] Usenet announcement. 332[WRS] Wind River Systems, Inc. 333[dmr] Dennis Ritchie, via E-Mail 334 335Multics 1965 336UNIX Summer 1969 337 DEC PDP-7 338First Edition 1971-11-03 [QCU] 339 DEC PDP-11/20, Assembler 340Second Edition 1972-06-12 [QCU] 341 10 UNIX installations 342Third Edition 1973-02-xx [QCU] 343 Pipes, 16 installations 344Fourth Edition 1973-11-xx [QCU] 345 rewriting in C effected, 346 above 30 installations 347Fifth Edition 1974-06-xx [QCU] 348 above 50 installations 349Sixth Edition 1975-05-xx [QCU] 350 port to DEC Vax 351Seventh Edition 1979-01-xx [QCU] 352 first portable UNIX 353Eighth Edition 1985-02-xx [QCU] 354 VAX 11/750, VAX 11/780 [dmr] 355 descended from 4.1c BSD [dmr] 356 descended from 4.1 BSD [44B] 357 scooping-out and replacement of the character-device 358 and networking part by the streams mechanism 359 360Ninth Edition 1986-09-xx [QCU] 361Tenth Edition 1989-10-xx [QCU] 362 3631BSD late 1977 364 1978-03-09 [QCU] 365 PDP-11, Pascal, ex(1) 366 30 free copies of 1BSD sent out 367 35 tapes sold for 50 USD [QCU] 3682BSD mid 1978 [QCU] 1979-05-10 [TUHS] 369 75 2BSD tapes shipped 3702.79BSD 1980-04-xx [TUHS] 3712.8BSD 1981-07-xx [KSJ] 372 3732.8.1BSD 1982-01-xx [QCU] 374 set of performance improvements 3752.9BSD 1983-07-xx [KSJ] 3762.9.1BSD 1983-11-xx [TUHS] 3772.9BSD-Seismo 1985-08-xx [SMS] 3782.10BSD 1987-04-xx [KKK] 3792.10.1BSD 1989-01-xx [SMS] 3802.11BSD 1992-02-xx [SMS] 3812.11BSD rev #430 1999-12-13 [SMS] 382 38332V 1978-1[01]-xx [QCU] 3843BSD late 1979 [QCU] March 1980 [TUHS] 385 virtual memory, page replacement, 386 demand paging 3874.0BSD 1980-10-xx 3884.1BSD 1981-07-08 [DOC] 3894.1aBSD 1982-04-xx 390 alpha release, 100 sites, networking [44B] 3914.1bBSD internal release, fast filesystem [44B] 3924.1cBSD late 1982 393 beta release, IPC [44B] 3944.2BSD 1983-09-xx [QCU] 395 1983-08-03 [DOC] 3964.3BSD 1986-06-xx [QCU] 397 1986-04-05 [KB], [DOC] 3984.3BSD Tahoe 1988-06-15 [QCU], [DOC] 3994.3BSD NET/1 1988-11-xx [QCU] 400 1989-01-01 [DOC] 4014.3BSD Reno 1990-06-29 [QCU], [DOC] 4024.3BSD NET/2 1991-06-28 [QCU], [DOC] 403 404BSD/386 ALPHA 1991-12-xx [BSDI] 405 first code released to people outside BSDI 406386BSD 0.0 1992-02-xx [DOC] 407BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 408BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 409386BSD 0.1 1992-07-28 [DOC] 4104.4BSD Alpha 1992-07-07 411BSD/386 0.9.3 1992-10-xx [BSDI] 412 first external gamma; G customers 413BSD/386 0.9.4 1992-12-xx [BSDI] 414 would have been 1.0 except for request 415 for preliminary injunction 416BSD/386 1.0 1993-03-xx [BSDI] 417 injunction denied; first official release 418NetBSD 0.8 1993-04-20 [NBD] 4194.4BSD 1993-06-01 [USE] 420NetBSD 0.9 1993-08-23 [NBD] 421FreeBSD 1.0 1993-11-01 [FBD] 422FreeBSD 1.0.2 1993-11-14 [FBD] 423 supersedes 1.0 13 days after release. 424BSD/386 1.1 1994-02-xx [BSDI] 4254.4BSD Lite 1994-03-01 [USE] 426FreeBSD 1.1 1994-05-07 [FBD] 427FreeBSD 1.1.5 1994-06-30 [FBD] 428FreeBSD 1.1.5.1 1994-07-05 [FBD] 429 supersedes 1.1.5 5 days after release. 430NetBSD 1.0 1994-10-26 [NBD] 431386BSD 1.0 1994-11-12 [USE] 432FreeBSD 2.0 1994-11-23 [FBD] 433BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 434FreeBSD 2.0.5 1995-06-10 [FBD] 435BSD/OS 2.0.1 1995-06-xx [BSDI] 4364.4BSD Lite Release 2 1995-06-xx [44B] 437 the true final distribution from the CSRG 438FreeBSD 2.1.0 1995-11-19 [FBD] 439NetBSD 1.1 1995-11-26 [NBD] 440BSD/OS 2.1 1996-01-xx [BSDI] 441FreeBSD 2.1.5 1996-07-14 [FBD] 442NetBSD 1.2 1996-10-04 [NBD] 443OpenBSD 2.0 1996-10-18 [OBD] 444FreeBSD 2.1.6 1996-11-16 [FBD] 445FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 446Rhapsody 1997-xx-xx 447FreeBSD 2.1.7 1997-02-20 [FBD] 448BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 449FreeBSD 2.2.0 1997-03-16 [FBD] 450FreeBSD 2.2.1 1997-03-25 [FBD] 451FreeBSD 2.2.2 1997-05-16 [FBD] 452NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 453OpenBSD 2.1 1997-06-01 [OBD] 454FreeBSD 2.2.5 1997-10-22 [FBD] 455OpenBSD 2.2 1997-12-01 [OBD] 456NetBSD 1.3 1998-01-04 [NBD] 457FreeBSD 2.2.6 1998-03-25 [FBD] 458NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 459BSD/OS 3.1 1998-03-xx [BSDI] 460OpenBSD 2.3 1998-05-19 [OBD] 461NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 462FreeBSD 2.2.7 1998-07-22 [FBD] 463BSD/OS 4.0 1998-08-xx [BSDI] 464 2-lock MP support, ELF executables 465FreeBSD 3.0 1998-10-16 [FBD] 466 FreeBSD-3.0 is a snapshot from -current, 467 while 3.1 and 3.2 are from 3.x-stable which 468 was branched quite some time after 3.0-release 469FreeBSD 2.2.8 1998-11-29 [FBD] 470OpenBSD 2.4 1998-12-01 [OBD] 471NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 472FreeBSD 3.1 1999-02-15 [FBD] 473BSD/OS 4.0.1 1999-03-xx [BSDI] 474NetBSD 1.4 1999-05-12 [NBD] 475FreeBSD 3.2 1999-05-17 [FBD] 476OpenBSD 2.5 1999-05-19 [OBD] 477NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 478FreeBSD 3.3 1999-09-17 [FBD] 479OpenBSD 2.6 1999-12-01 [OBD] 480FreeBSD 3.4 1999-12-20 [FBD] 481BSD/OS 4.1 1999-12-xx [BSDI] 482FreeBSD 4.0 2000-03-13 [FBD] 483NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 484OpenBSD 2.7 2000-06-15 [OBD] 485FreeBSD 3.5 2000-06-24 [FBD] 486FreeBSD 4.1 2000-07-27 [FBD] 487FreeBSD 3.5.1 2000-07-28 [FBD] 488FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 489FreeBSD 4.2 2000-11-21 [FBD] 490NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 491BSD/OS 4.2 2000-11-29 [BSDI] 492OpenBSD 2.8 2000-12-01 [OBD] 493NetBSD 1.5 2000-12-06 [NBD] 494Mac OS X 10.0 2001-03-24 [APL] 495FreeBSD 4.3 2001-04-20 [FBD] 496OpenBSD 2.9 2001-06-01 [OBD] 497NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 498NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 499FreeBSD 4.4 2001-09-18 [FBD] 500Mac OS X 10.1 2001-09-29 [APL] 501OpenBSD 3.0 2001-12-01 [OBD] 502FreeBSD 4.5 2002-01-29 [FBD] 503BSD/OS 4.3 2002-03-14 [WRS] 504OpenBSD 3.1 2002-05-19 [OBD] 505FreeBSD 4.6 2002-06-15 [FBD] 506NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 507FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 508Mac OS X 10.2 2002-08-23 [APL] 509NetBSD 1.6 2002-09-14 [NBD] 510FreeBSD 4.7 2002-10-08 [FBD] 511OpenBSD 3.2 2002-11-01 [OBD] 512FreeBSD 5.0 2003-01-17 [FBD] 513 FreeBSD 5.0 is a separate branch off of 514 -current, similar to 3.0. 515FreeBSD 4.8 2003-04-03 [FBD] 516NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 517OpenBSD 3.3 2003-05-01 [OBD] 518BSD/OS 5.0 2003-05-?? [WRS] 519FreeBSD 5.1 2003-06-09 [FBD] 520Mac OS X 10.3 2003-10-24 [APL] 521FreeBSD 4.9 2003-10-28 [FBD] 522BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 523OpenBSD 3.4 2003-11-01 [OBD] 524FreeBSD 5.2 2004-01-12 [FBD] 525FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 526NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 527OpenBSD 3.5 2004-04-01 [OBD] 528FreeBSD 4.10 2004-05-27 [FBD] 529DragonFly 1.0 2004-07-12 [DFB] 530OpenBSD 3.6 2004-10-29 [OBD] 531FreeBSD 5.3 2004-11-06 [FBD] 532NetBSD 2.0 2004-12-09 [NBD] 533FreeBSD 4.11 2005-01-25 [FBD] 534DragonFly 1.2.0 2005-04-08 [DFB] 535NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 536Mac OS X 10.4 2005-04-29 [APL] 537FreeBSD 5.4 2005-05-09 [FBD] 538OpenBSD 3.7 2005-05-19 [OBD] 539NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 540OpenBSD 3.8 2005-11-01 [OBD] 541FreeBSD 6.0 2005-11-01 [FBD] 542NetBSD 2.1 2005-11-02 [NBD] 543NetBSD 3.0 2005-12-23 [NBD] 544DragonFly 1.4.0 2006-01-08 [DFB] 545FreeBSD 2.2.9 2006-04-01 [FBD] 546OpenBSD 3.9 2006-05-01 [OBD] 547FreeBSD 6.1 2006-05-08 [FBD] 548FreeBSD 5.5 2006-05-25 [FBD] 549NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 550DragonFly 1.6.0 2006-07-24 [DFB] 551OpenBSD 4.0 2006-11-01 [OBD] 552NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 553NetBSD 3.1 2006-11-04 [NBD] 554FreeBSD 6.2 2007-01-15 [FBD] 555DragonFly 1.8.0 2007-01-30 [DFB] 556OpenBSD 4.1 2007-05-01 [OBD] 557DragonFly 1.10.0 2007-08-06 [DFB] 558Mac OS X 10.5 2007-10-26 [APL] 559OpenBSD 4.2 2007-11-01 [OBD] 560NetBSD 4.0 2007-12-19 [NBD] 561FreeBSD 6.3 2008-01-18 [FBD] 562DragonFly 1.12.0 2008-02-26 [DFB] 563FreeBSD 7.0 2008-02-27 [FBD] 564OpenBSD 4.3 2008-05-01 [OBD] 565DragonFly 2.0.0 2008-07-21 [DFB] 566OpenBSD 4.4 2008-11-01 [OBD] 567FreeBSD 6.4 2008-11-28 [FBD] 568FreeBSD 7.1 2009-01-04 [FBD] 569DragonFly 2.2.0 2009-02-17 [DFB] 570NetBSD 5.0 2009-04-29 [NBD] 571OpenBSD 4.5 2009-05-01 [OBD] 572FreeBSD 7.2 2009-05-04 [FBD] 573Mac OS X 10.6 2009-06-08 [APL] 574NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 575DragonFly 2.4.0 2009-09-16 [DFB] 576OpenBSD 4.6 2009-10-18 [OBD] 577FreeBSD 8.0 2009-11-26 [FBD] 578NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 579FreeBSD 7.3 2010-03-23 [FBD] 580DragonFly 2.6.0 2010-03-28 [DFB] 581OpenBSD 4.7 2010-05-19 [OBD] 582FreeBSD 8.1 2010-07-24 [FBD] 583DragonFly 2.8.2 2010-10-30 [DFB] 584OpenBSD 4.8 2010-11-01 [OBD] 585NetBSD 5.1 2010-11-19 [NBD] 586FreeBSD 7.4 2011-02-24 [FBD] 587FreeBSD 8.2 2011-02-24 [FBD] 588DragonFly 2.10.1 2011-04-26 [DFB] 589OpenBSD 4.9 2011-05-01 [OBD] 590Mac OS X 10.7 2011-07-20 [APL] 591OpenBSD 5.0 2011-11-01 [OBD] 592FreeBSD 9.0 2012-01-12 [FBD] 593NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 594DragonFly 3.0.1 2012-02-21 [DFB] 595FreeBSD 8.3 2012-04-18 [FBD] 596OpenBSD 5.1 2012-05-01 [OBD] 597Mac OS X 10.8 2012-07-25 [APL] 598NetBSD 6.0 2012-10-17 [NBD] 599OpenBSD 5.2 2012-11-01 [OBD] 600DragonFly 3.2.1 2012-11-02 [DFB] 601NetBSD 5.2 2012-12-03 [NBD] 602NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 603FreeBSD 9.1 2012-12-30 [FBD] 604DragonFly 3.4.1 2013-04-29 [DFB] 605OpenBSD 5.3 2013-05-01 [OBD] 606NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 607NetBSD 6.1 2013-05-18 [NBD] 608FreeBSD 8.4 2013-06-07 [FBD] 609NetBSD 6.1.1 2013-08-22 [NBD] 610NetBSD 5.1.3 2013-09-29 [NBD] 611NetBSD 5.2.1 2013-09-29 [NBD] 612FreeBSD 9.2 2013-09-30 [FBD] 613NetBSD 6.0.3 2013-09-30 [NBD] 614NetBSD 6.1.2 2013-09-30 [NBD] 615Mac OS X 10.9 2013-10-22 [APL] 616OpenBSD 5.4 2013-11-01 [OBD] 617DragonFly 3.6.0 2013-11-25 [DFB] 618FreeBSD 10.0 2014-01-20 [FBD] 619 620Bibliography 621------------------------ 622 623Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 624Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 625System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 626 627Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 628Company, Inc., 1994. ISBN 0-201-54777-5 629 630McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 631Quarterman. The Design and Implementation of the 4.4BSD Operating 632System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 633 634McKusick, Marshall Kirk, George Neville-Neil. The Design and 635Implementation of the FreeBSD Operating System. 636Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 637 638Doug McIlroy. Research Unix Reader. 639 640Michael G. Brown. The Role of BSD in the Development of Unix. 641Presented to the Tasmanian Unix Special Interest Group of the 642Australian Computer Society, Hobart, August 1993. 643 644Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 645URL: http://www.byte.com/art/9410/sec8/art3.htm 646 647Andreas Klemm, Lars Köller. If you're going to San Francisco ... 648Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 649 650BSD Release Announcements collection. 651URL: http://www.FreeBSD.org/releases/ 652 653BSD Hypertext Man Pages 654URL: http://www.FreeBSD.org/cgi/man.cgi 655 656UNIX history graphing project 657URL: http://minnie.tuhs.org/Unix_History/index.html 658 659UNIX history 660URL: http://www.levenez.com/unix/ 661 662James Howard: The BSD Family Tree 663URL: http://ezine.daemonnews.org/200104/bsd_family.html 664("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 665 666 667Acknowledgments 668--------------- 669 670Josh Gilliam for suggestions, bug fixes, and finding very old 671original BSD announcements from Usenet or tapes. 672 673Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 674 675-- 676Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 677URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 678 679$FreeBSD$ 680