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 | | | | DragonFly 3.6.0 288 | | | | | 289 | | | | | 290 | | | | | 291 | | | | | 292FreeBSD 10 -current | NetBSD -current OpenBSD -current | 293 | | | | | 294 | v v v v 295 | 296 *--FreeBSD 297 | 10.0 298 v 299 300Time 301---------------- 302 303Time tolerance +/- 6 months, depending on which book/article you read; if it 304was the announcement in Usenet or if it was available as tape. 305 306[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 307 and John Quarterman. The Design and Implementation of 308 the 4.4BSD Operating System. 309[APL] Apple website [http://www.apple.com/macosx/] 310[BSDI] Berkeley Software Design, Inc. 311[DFB] DragonFlyBSD Project, The. 312[DOC] README, COPYRIGHT on tape. 313[FBD] FreeBSD Project, The. 314[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 315 Volume 11, Info 4, April, 1987. 316[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 317 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 318[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 319 Changes in the Kernel in 2.9BSD. Second Berkeley Software 320 Distribution UNIX Version 2.9, July, 1983. 321[NBD] NetBSD Project, The. 322[OBD] OpenBSD Project, The. 323[QCU] Salus, Peter H. A quarter century of UNIX. 324[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 325[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 326[USE] Usenet announcement. 327[WRS] Wind River Systems, Inc. 328[dmr] Dennis Ritchie, via E-Mail 329 330Multics 1965 331UNIX Summer 1969 332 DEC PDP-7 333First Edition 1971-11-03 [QCU] 334 DEC PDP-11/20, Assembler 335Second Edition 1972-06-12 [QCU] 336 10 UNIX installations 337Third Edition 1973-02-xx [QCU] 338 Pipes, 16 installations 339Fourth Edition 1973-11-xx [QCU] 340 rewriting in C effected, 341 above 30 installations 342Fifth Edition 1974-06-xx [QCU] 343 above 50 installations 344Sixth Edition 1975-05-xx [QCU] 345 port to DEC Vax 346Seventh Edition 1979-01-xx [QCU] 347 first portable UNIX 348Eighth Edition 1985-02-xx [QCU] 349 VAX 11/750, VAX 11/780 [dmr] 350 descended from 4.1c BSD [dmr] 351 descended from 4.1 BSD [44B] 352 scooping-out and replacement of the character-device 353 and networking part by the streams mechanism 354 355Ninth Edition 1986-09-xx [QCU] 356Tenth Edition 1989-10-xx [QCU] 357 3581BSD late 1977 359 1978-03-09 [QCU] 360 PDP-11, Pascal, ex(1) 361 30 free copies of 1BSD sent out 362 35 tapes sold for 50 USD [QCU] 3632BSD mid 1978 [QCU] 1979-05-10 [TUHS] 364 75 2BSD tapes shipped 3652.79BSD 1980-04-xx [TUHS] 3662.8BSD 1981-07-xx [KSJ] 367 3682.8.1BSD 1982-01-xx [QCU] 369 set of performance improvements 3702.9BSD 1983-07-xx [KSJ] 3712.9.1BSD 1983-11-xx [TUHS] 3722.9BSD-Seismo 1985-08-xx [SMS] 3732.10BSD 1987-04-xx [KKK] 3742.10.1BSD 1989-01-xx [SMS] 3752.11BSD 1992-02-xx [SMS] 3762.11BSD rev #430 1999-12-13 [SMS] 377 37832V 1978-1[01]-xx [QCU] 3793BSD late 1979 [QCU] March 1980 [TUHS] 380 virtual memory, page replacement, 381 demand paging 3824.0BSD 1980-10-xx 3834.1BSD 1981-07-08 [DOC] 3844.1aBSD 1982-04-xx 385 alpha release, 100 sites, networking [44B] 3864.1bBSD internal release, fast filesystem [44B] 3874.1cBSD late 1982 388 beta release, IPC [44B] 3894.2BSD 1983-09-xx [QCU] 390 1983-08-03 [DOC] 3914.3BSD 1986-06-xx [QCU] 392 1986-04-05 [KB], [DOC] 3934.3BSD Tahoe 1988-06-15 [QCU], [DOC] 3944.3BSD NET/1 1988-11-xx [QCU] 395 1989-01-01 [DOC] 3964.3BSD Reno 1990-06-29 [QCU], [DOC] 3974.3BSD NET/2 1991-06-28 [QCU], [DOC] 398 399BSD/386 ALPHA 1991-12-xx [BSDI] 400 first code released to people outside BSDI 401386BSD 0.0 1992-02-xx [DOC] 402BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 403BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 404386BSD 0.1 1992-07-28 [DOC] 4054.4BSD Alpha 1992-07-07 406BSD/386 0.9.3 1992-10-xx [BSDI] 407 first external gamma; G customers 408BSD/386 0.9.4 1992-12-xx [BSDI] 409 would have been 1.0 except for request 410 for preliminary injunction 411BSD/386 1.0 1993-03-xx [BSDI] 412 injunction denied; first official release 413NetBSD 0.8 1993-04-20 [NBD] 4144.4BSD 1993-06-01 [USE] 415NetBSD 0.9 1993-08-23 [NBD] 416FreeBSD 1.0 1993-11-01 [FBD] 417FreeBSD 1.0.2 1993-11-14 [FBD] 418 supersedes 1.0 13 days after release. 419BSD/386 1.1 1994-02-xx [BSDI] 4204.4BSD Lite 1994-03-01 [USE] 421FreeBSD 1.1 1994-05-07 [FBD] 422FreeBSD 1.1.5 1994-06-30 [FBD] 423FreeBSD 1.1.5.1 1994-07-05 [FBD] 424 supersedes 1.1.5 5 days after release. 425NetBSD 1.0 1994-10-26 [NBD] 426386BSD 1.0 1994-11-12 [USE] 427FreeBSD 2.0 1994-11-23 [FBD] 428BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 429FreeBSD 2.0.5 1995-06-10 [FBD] 430BSD/OS 2.0.1 1995-06-xx [BSDI] 4314.4BSD Lite Release 2 1995-06-xx [44B] 432 the true final distribution from the CSRG 433FreeBSD 2.1.0 1995-11-19 [FBD] 434NetBSD 1.1 1995-11-26 [NBD] 435BSD/OS 2.1 1996-01-xx [BSDI] 436FreeBSD 2.1.5 1996-07-14 [FBD] 437NetBSD 1.2 1996-10-04 [NBD] 438OpenBSD 2.0 1996-10-18 [OBD] 439FreeBSD 2.1.6 1996-11-16 [FBD] 440FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 441Rhapsody 1997-xx-xx 442FreeBSD 2.1.7 1997-02-20 [FBD] 443BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 444FreeBSD 2.2.0 1997-03-16 [FBD] 445FreeBSD 2.2.1 1997-03-25 [FBD] 446FreeBSD 2.2.2 1997-05-16 [FBD] 447NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 448OpenBSD 2.1 1997-06-01 [OBD] 449FreeBSD 2.2.5 1997-10-22 [FBD] 450OpenBSD 2.2 1997-12-01 [OBD] 451NetBSD 1.3 1998-01-04 [NBD] 452FreeBSD 2.2.6 1998-03-25 [FBD] 453NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 454BSD/OS 3.1 1998-03-xx [BSDI] 455OpenBSD 2.3 1998-05-19 [OBD] 456NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 457FreeBSD 2.2.7 1998-07-22 [FBD] 458BSD/OS 4.0 1998-08-xx [BSDI] 459 2-lock MP support, ELF executables 460FreeBSD 3.0 1998-10-16 [FBD] 461 FreeBSD-3.0 is a snapshot from -current, 462 while 3.1 and 3.2 are from 3.x-stable which 463 was branched quite some time after 3.0-release 464FreeBSD 2.2.8 1998-11-29 [FBD] 465OpenBSD 2.4 1998-12-01 [OBD] 466NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 467FreeBSD 3.1 1999-02-15 [FBD] 468BSD/OS 4.0.1 1999-03-xx [BSDI] 469NetBSD 1.4 1999-05-12 [NBD] 470FreeBSD 3.2 1999-05-17 [FBD] 471OpenBSD 2.5 1999-05-19 [OBD] 472NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 473FreeBSD 3.3 1999-09-17 [FBD] 474OpenBSD 2.6 1999-12-01 [OBD] 475FreeBSD 3.4 1999-12-20 [FBD] 476BSD/OS 4.1 1999-12-xx [BSDI] 477FreeBSD 4.0 2000-03-13 [FBD] 478NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 479OpenBSD 2.7 2000-06-15 [OBD] 480FreeBSD 3.5 2000-06-24 [FBD] 481FreeBSD 4.1 2000-07-27 [FBD] 482FreeBSD 3.5.1 2000-07-28 [FBD] 483FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 484FreeBSD 4.2 2000-11-21 [FBD] 485NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 486BSD/OS 4.2 2000-11-29 [BSDI] 487OpenBSD 2.8 2000-12-01 [OBD] 488NetBSD 1.5 2000-12-06 [NBD] 489Mac OS X 10.0 2001-03-24 [APL] 490FreeBSD 4.3 2001-04-20 [FBD] 491OpenBSD 2.9 2001-06-01 [OBD] 492NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 493NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 494FreeBSD 4.4 2001-09-18 [FBD] 495Mac OS X 10.1 2001-09-29 [APL] 496OpenBSD 3.0 2001-12-01 [OBD] 497FreeBSD 4.5 2002-01-29 [FBD] 498BSD/OS 4.3 2002-03-14 [WRS] 499OpenBSD 3.1 2002-05-19 [OBD] 500FreeBSD 4.6 2002-06-15 [FBD] 501NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 502FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 503Mac OS X 10.2 2002-08-23 [APL] 504NetBSD 1.6 2002-09-14 [NBD] 505FreeBSD 4.7 2002-10-08 [FBD] 506OpenBSD 3.2 2002-11-01 [OBD] 507FreeBSD 5.0 2003-01-17 [FBD] 508 FreeBSD 5.0 is a separate branch off of 509 -current, similar to 3.0. 510FreeBSD 4.8 2003-04-03 [FBD] 511NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 512OpenBSD 3.3 2003-05-01 [OBD] 513BSD/OS 5.0 2003-05-?? [WRS] 514FreeBSD 5.1 2003-06-09 [FBD] 515Mac OS X 10.3 2003-10-24 [APL] 516FreeBSD 4.9 2003-10-28 [FBD] 517BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 518OpenBSD 3.4 2003-11-01 [OBD] 519FreeBSD 5.2 2004-01-12 [FBD] 520FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 521NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 522OpenBSD 3.5 2004-04-01 [OBD] 523FreeBSD 4.10 2004-05-27 [FBD] 524DragonFly 1.0 2004-07-12 [DFB] 525OpenBSD 3.6 2004-10-29 [OBD] 526FreeBSD 5.3 2004-11-06 [FBD] 527NetBSD 2.0 2004-12-09 [NBD] 528FreeBSD 4.11 2005-01-25 [FBD] 529DragonFly 1.2.0 2005-04-08 [DFB] 530NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 531Mac OS X 10.4 2005-04-29 [APL] 532FreeBSD 5.4 2005-05-09 [FBD] 533OpenBSD 3.7 2005-05-19 [OBD] 534NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 535OpenBSD 3.8 2005-11-01 [OBD] 536FreeBSD 6.0 2005-11-01 [FBD] 537NetBSD 2.1 2005-11-02 [NBD] 538NetBSD 3.0 2005-12-23 [NBD] 539DragonFly 1.4.0 2006-01-08 [DFB] 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] 613 614Bibliography 615------------------------ 616 617Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 618Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 619System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 620 621Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 622Company, Inc., 1994. ISBN 0-201-54777-5 623 624McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 625Quarterman. The Design and Implementation of the 4.4BSD Operating 626System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 627 628McKusick, Marshall Kirk, George Neville-Neil. The Design and 629Implementation of the FreeBSD Operating System. 630Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 631 632Doug McIlroy. Research Unix Reader. 633 634Michael G. Brown. The Role of BSD in the Development of Unix. 635Presented to the Tasmanian Unix Special Interest Group of the 636Australian Computer Society, Hobart, August 1993. 637 638Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 639URL: http://www.byte.com/art/9410/sec8/art3.htm 640 641Andreas Klemm, Lars Köller. If you're going to San Francisco ... 642Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 643 644BSD Release Announcements collection. 645URL: http://www.FreeBSD.org/releases/ 646 647BSD Hypertext Man Pages 648URL: http://www.FreeBSD.org/cgi/man.cgi 649 650UNIX history graphing project 651URL: http://minnie.tuhs.org/Unix_History/index.html 652 653UNIX history 654URL: http://www.levenez.com/unix/ 655 656James Howard: The BSD Family Tree 657URL: http://ezine.daemonnews.org/200104/bsd_family.html 658("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 659 660 661Acknowledgments 662--------------- 663 664Josh Gilliam for suggestions, bug fixes, and finding very old 665original BSD announcements from Usenet or tapes. 666 667Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 668 669-- 670Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 671URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 672 673$FreeBSD$ 674