bsd-family-tree revision 1.50
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 | | | OpenBSD 5.1 | 257 | | Mac OS X | `----. | | 258 | | 10.8 | \ | | 259 | | | NetBSD 6.0 | | | 260 | | | | | | | OpenBSD 5.2 DragonFly 3.2.1 261 | FreeBSD | | | | NetBSD | | 262 | 9.1 | | | | 5.2 | | 263 | | | | \ | | 264 | | | | NetBSD | | 265 | | | | 6.0.1 | | 266 | | | | | OpenBSD 5.3 DragonFly 3.4.1 267 | | | | NetBSD | | 268 | | | | 6.0.2 | | 269 | | | | | | 270 | | | `-NetBSD 6.1 | | 271 | | | | | 272 | | | | | 273 | | | | | 274FreeBSD 10 -current | NetBSD -current OpenBSD -current | 275 | | | | | 276 v v v v v 277 278Time 279---------------- 280 281Time tolerance +/- 6 months, depending on which book/article you read; if it 282was the announcement in Usenet or if it was available as tape. 283 284[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 285 and John Quarterman. The Design and Implementation of 286 the 4.4BSD Operating System. 287[APL] Apple website [http://www.apple.com/macosx/] 288[BSDI] Berkeley Software Design, Inc. 289[DFB] DragonFlyBSD Project, The. 290[DOC] README, COPYRIGHT on tape. 291[FBD] FreeBSD Project, The. 292[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 293 Volume 11, Info 4, April, 1987. 294[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 295 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 296[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 297 Changes in the Kernel in 2.9BSD. Second Berkeley Software 298 Distribution UNIX Version 2.9, July, 1983. 299[NBD] NetBSD Project, The. 300[OBD] OpenBSD Project, The. 301[QCU] Salus, Peter H. A quarter century of UNIX. 302[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 303[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 304[USE] Usenet announcement. 305[WRS] Wind River Systems, Inc. 306[dmr] Dennis Ritchie, via E-Mail 307 308Multics 1965 309UNIX Summer 1969 310 DEC PDP-7 311First Edition 1971-11-03 [QCU] 312 DEC PDP-11/20, Assembler 313Second Edition 1972-06-12 [QCU] 314 10 UNIX installations 315Third Edition 1973-02-xx [QCU] 316 Pipes, 16 installations 317Fourth Edition 1973-11-xx [QCU] 318 rewriting in C effected, 319 above 30 installations 320Fifth Edition 1974-06-xx [QCU] 321 above 50 installations 322Sixth Edition 1975-05-xx [QCU] 323 port to DEC Vax 324Seventh Edition 1979-01-xx [QCU] 325 first portable UNIX 326Eighth Edition 1985-02-xx [QCU] 327 VAX 11/750, VAX 11/780 [dmr] 328 descended from 4.1c BSD [dmr] 329 descended from 4.1 BSD [44B] 330 scooping-out and replacement of the character-device 331 and networking part by the streams mechanism 332 333Ninth Edition 1986-09-xx [QCU] 334Tenth Edition 1989-10-xx [QCU] 335 3361BSD late 1977 337 1978-03-09 [QCU] 338 PDP-11, Pascal, ex(1) 339 30 free copies of 1BSD sent out 340 35 tapes sold for 50 USD [QCU] 3412BSD mid 1978 [QCU] 1979-05-10 [TUHS] 342 75 2BSD tapes shipped 3432.79BSD 1980-04-xx [TUHS] 3442.8BSD 1981-07-xx [KSJ] 345 3462.8.1BSD 1982-01-xx [QCU] 347 set of performance improvements 3482.9BSD 1983-07-xx [KSJ] 3492.9.1BSD 1983-11-xx [TUHS] 3502.9BSD-Seismo 1985-08-xx [SMS] 3512.10BSD 1987-04-xx [KKK] 3522.10.1BSD 1989-01-xx [SMS] 3532.11BSD 1992-02-xx [SMS] 3542.11BSD rev #430 1999-12-13 [SMS] 355 35632V 1978-1[01]-xx [QCU] 3573BSD late 1979 [QCU] March 1980 [TUHS] 358 virtual memory, page replacement, 359 demand paging 3604.0BSD 1980-10-xx 3614.1BSD 1981-07-08 [DOC] 3624.1aBSD 1982-04-xx 363 alpha release, 100 sites, networking [44B] 3644.1bBSD internal release, fast filesystem [44B] 3654.1cBSD late 1982 366 beta release, IPC [44B] 3674.2BSD 1983-09-xx [QCU] 368 1983-08-03 [DOC] 3694.3BSD 1986-06-xx [QCU] 370 1986-04-05 [KB], [DOC] 3714.3BSD Tahoe 1988-06-15 [QCU], [DOC] 3724.3BSD NET/1 1988-11-xx [QCU] 373 1989-01-01 [DOC] 3744.3BSD Reno 1990-06-29 [QCU], [DOC] 3754.3BSD NET/2 1991-06-28 [QCU], [DOC] 376 377BSD/386 ALPHA 1991-12-xx [BSDI] 378 first code released to people outside BSDI 379386BSD 0.0 1992-02-xx [DOC] 380BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 381BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 382386BSD 0.1 1992-07-28 [DOC] 3834.4BSD Alpha 1992-07-07 384BSD/386 0.9.3 1992-10-xx [BSDI] 385 first external gamma; G customers 386BSD/386 0.9.4 1992-12-xx [BSDI] 387 would have been 1.0 except for request 388 for preliminary injunction 389BSD/386 1.0 1993-03-xx [BSDI] 390 injunction denied; first official release 391NetBSD 0.8 1993-04-20 [NBD] 3924.4BSD 1993-06-01 [USE] 393NetBSD 0.9 1993-08-23 [NBD] 394FreeBSD 1.0 1993-11-01 [FBD] 395FreeBSD 1.0.2 1993-11-14 [FBD] 396 supersedes 1.0 13 days after release. 397BSD/386 1.1 1994-02-xx [BSDI] 3984.4BSD Lite 1994-03-01 [USE] 399FreeBSD 1.1 1994-05-07 [FBD] 400FreeBSD 1.1.5 1994-06-30 [FBD] 401FreeBSD 1.1.5.1 1994-07-05 [FBD] 402 supersedes 1.1.5 5 days after release. 403NetBSD 1.0 1994-10-26 [NBD] 404386BSD 1.0 1994-11-12 [USE] 405FreeBSD 2.0 1994-11-23 [FBD] 406BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 407FreeBSD 2.0.5 1995-06-10 [FBD] 408BSD/OS 2.0.1 1995-06-xx [BSDI] 4094.4BSD Lite Release 2 1995-06-xx [44B] 410 the true final distribution from the CSRG 411FreeBSD 2.1.0 1995-11-19 [FBD] 412NetBSD 1.1 1995-11-26 [NBD] 413BSD/OS 2.1 1996-01-xx [BSDI] 414FreeBSD 2.1.5 1996-07-14 [FBD] 415NetBSD 1.2 1996-10-04 [NBD] 416OpenBSD 2.0 1996-10-18 [OBD] 417FreeBSD 2.1.6 1996-11-16 [FBD] 418FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 419Rhapsody 1997-xx-xx 420FreeBSD 2.1.7 1997-02-20 [FBD] 421BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 422FreeBSD 2.2.0 1997-03-16 [FBD] 423FreeBSD 2.2.1 1997-03-25 [FBD] 424FreeBSD 2.2.2 1997-05-16 [FBD] 425NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 426OpenBSD 2.1 1997-06-01 [OBD] 427FreeBSD 2.2.5 1997-10-22 [FBD] 428OpenBSD 2.2 1997-12-01 [OBD] 429NetBSD 1.3 1998-01-04 [NBD] 430FreeBSD 2.2.6 1998-03-25 [FBD] 431NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 432BSD/OS 3.1 1998-03-xx [BSDI] 433OpenBSD 2.3 1998-05-19 [OBD] 434NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 435FreeBSD 2.2.7 1998-07-22 [FBD] 436BSD/OS 4.0 1998-08-xx [BSDI] 437 2-lock MP support, ELF executables 438FreeBSD 3.0 1998-10-16 [FBD] 439 FreeBSD-3.0 is a snapshot from -current, 440 while 3.1 and 3.2 are from 3.x-stable which 441 was branched quite some time after 3.0-release 442FreeBSD 2.2.8 1998-11-29 [FBD] 443OpenBSD 2.4 1998-12-01 [OBD] 444NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 445FreeBSD 3.1 1999-02-15 [FBD] 446BSD/OS 4.0.1 1999-03-xx [BSDI] 447NetBSD 1.4 1999-05-12 [NBD] 448FreeBSD 3.2 1999-05-17 [FBD] 449OpenBSD 2.5 1999-05-19 [OBD] 450NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 451FreeBSD 3.3 1999-09-17 [FBD] 452OpenBSD 2.6 1999-12-01 [OBD] 453FreeBSD 3.4 1999-12-20 [FBD] 454BSD/OS 4.1 1999-12-xx [BSDI] 455FreeBSD 4.0 2000-03-13 [FBD] 456NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 457OpenBSD 2.7 2000-06-15 [OBD] 458FreeBSD 3.5 2000-06-24 [FBD] 459FreeBSD 4.1 2000-07-27 [FBD] 460FreeBSD 3.5.1 2000-07-28 [FBD] 461FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 462FreeBSD 4.2 2000-11-21 [FBD] 463NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 464BSD/OS 4.2 2000-11-29 [BSDI] 465OpenBSD 2.8 2000-12-01 [OBD] 466NetBSD 1.5 2000-12-06 [NBD] 467Mac OS X 10.0 2001-03-24 [APL] 468FreeBSD 4.3 2001-04-20 [FBD] 469OpenBSD 2.9 2001-06-01 [OBD] 470NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 471NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 472FreeBSD 4.4 2001-09-18 [FBD] 473Mac OS X 10.1 2001-09-29 [APL] 474OpenBSD 3.0 2001-12-01 [OBD] 475FreeBSD 4.5 2002-01-29 [FBD] 476BSD/OS 4.3 2002-03-14 [WRS] 477OpenBSD 3.1 2002-05-19 [OBD] 478FreeBSD 4.6 2002-06-15 [FBD] 479NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 480FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 481Mac OS X 10.2 2002-08-23 [APL] 482NetBSD 1.6 2002-09-14 [NBD] 483FreeBSD 4.7 2002-10-08 [FBD] 484OpenBSD 3.2 2002-11-01 [OBD] 485FreeBSD 5.0 2003-01-17 [FBD] 486 FreeBSD 5.0 is a separate branch off of 487 -current, similar to 3.0. 488FreeBSD 4.8 2003-04-03 [FBD] 489NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 490OpenBSD 3.3 2003-05-01 [OBD] 491BSD/OS 5.0 2003-05-?? [WRS] 492FreeBSD 5.1 2003-06-09 [FBD] 493Mac OS X 10.3 2003-10-24 [APL] 494FreeBSD 4.9 2003-10-28 [FBD] 495BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 496OpenBSD 3.4 2003-11-01 [OBD] 497FreeBSD 5.2 2004-01-12 [FBD] 498FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 499NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 500OpenBSD 3.5 2004-04-01 [OBD] 501FreeBSD 4.10 2004-05-27 [FBD] 502DragonFly 1.0 2004-07-12 [DFB] 503OpenBSD 3.6 2004-10-29 [OBD] 504FreeBSD 5.3 2004-11-06 [FBD] 505NetBSD 2.0 2004-12-09 [NBD] 506FreeBSD 4.11 2005-01-25 [FBD] 507DragonFly 1.2.0 2005-04-08 [DFB] 508NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 509Mac OS X 10.4 2005-04-29 [APL] 510FreeBSD 5.4 2005-05-09 [FBD] 511OpenBSD 3.7 2005-05-19 [OBD] 512NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 513OpenBSD 3.8 2005-11-01 [OBD] 514FreeBSD 6.0 2005-11-01 [FBD] 515NetBSD 2.1 2005-11-02 [NBD] 516NetBSD 3.0 2005-12-23 [NBD] 517DragonFly 1.4.0 2006-01-08 [DFB] 518OpenBSD 3.9 2006-05-01 [OBD] 519FreeBSD 6.1 2006-05-08 [FBD] 520FreeBSD 5.5 2006-05-25 [FBD] 521NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 522DragonFly 1.6.0 2006-07-24 [DFB] 523OpenBSD 4.0 2006-11-01 [OBD] 524NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 525NetBSD 3.1 2006-11-04 [NBD] 526FreeBSD 6.2 2007-01-15 [FBD] 527DragonFly 1.8.0 2007-01-30 [DFB] 528OpenBSD 4.1 2007-05-01 [OBD] 529DragonFly 1.10.0 2007-08-06 [DFB] 530Mac OS X 10.5 2007-10-26 [APL] 531OpenBSD 4.2 2007-11-01 [OBD] 532NetBSD 4.0 2007-12-19 [NBD] 533FreeBSD 6.3 2008-01-18 [FBD] 534DragonFly 1.12.0 2008-02-26 [DFB] 535FreeBSD 7.0 2008-02-27 [FBD] 536OpenBSD 4.3 2008-05-01 [OBD] 537DragonFly 2.0.0 2008-07-21 [DFB] 538OpenBSD 4.4 2008-11-01 [OBD] 539FreeBSD 6.4 2008-11-28 [FBD] 540FreeBSD 7.1 2009-01-04 [FBD] 541DragonFly 2.2.0 2009-02-17 [DFB] 542NetBSD 5.0 2009-04-29 [NBD] 543OpenBSD 4.5 2009-05-01 [OBD] 544FreeBSD 7.2 2009-05-04 [FBD] 545Mac OS X 10.6 2009-06-08 [APL] 546NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 547DragonFly 2.4.0 2009-09-16 [DFB] 548OpenBSD 4.6 2009-10-18 [OBD] 549FreeBSD 8.0 2009-11-26 [FBD] 550NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 551FreeBSD 7.3 2010-03-23 [FBD] 552DragonFly 2.6.0 2010-03-28 [DFB] 553OpenBSD 4.7 2010-05-19 [OBD] 554FreeBSD 8.1 2010-07-24 [FBD] 555DragonFly 2.8.2 2010-10-30 [DFB] 556OpenBSD 4.8 2010-11-01 [OBD] 557NetBSD 5.1 2010-11-19 [NBD] 558FreeBSD 7.4 2011-02-24 [FBD] 559FreeBSD 8.2 2011-02-24 [FBD] 560DragonFly 2.10.1 2011-04-26 [DFB] 561OpenBSD 4.9 2011-05-01 [OBD] 562Mac OS X 10.7 2011-07-20 [APL] 563OpenBSD 5.0 2011-11-01 [OBD] 564FreeBSD 9.0 2012-01-12 [FBD] 565NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 566DragonFly 3.0.1 2012-02-21 [DFB] 567FreeBSD 8.3 2012-04-18 [FBD] 568OpenBSD 5.1 2012-05-01 [OBD] 569Mac OS X 10.8 2012-07-25 [APL] 570NetBSD 6.0 2012-10-17 [NBD] 571OpenBSD 5.2 2012-11-01 [OBD] 572DragonFly 3.2.1 2012-11-02 [DFB] 573NetBSD 5.2 2012-12-03 [NBD] 574NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 575FreeBSD 9.1 2012-12-30 [FBD] 576DragonFly 3.4.1 2013-04-29 [DFB] 577OpenBSD 5.3 2013-05-01 [OBD] 578NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 579NetBSD 6.1 2013-05-18 [NBD] 580 581Bibliography 582------------------------ 583 584Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 585Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 586System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 587 588Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 589Company, Inc., 1994. ISBN 0-201-54777-5 590 591McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 592Quarterman. The Design and Implementation of the 4.4BSD Operating 593System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 594 595McKusick, Marshall Kirk, George Neville-Neil. The Design and 596Implementation of the FreeBSD Operating System. 597Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 598 599Doug McIlroy. Research Unix Reader. 600 601Michael G. Brown. The Role of BSD in the Development of Unix. 602Presented to the Tasmanian Unix Special Interest Group of the 603Australian Computer Society, Hobart, August 1993. 604 605Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 606URL: http://www.byte.com/art/9410/sec8/art3.htm 607 608Andreas Klemm, Lars Köller. If you're going to San Francisco ... 609Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 610 611BSD Release Announcements collection. 612URL: http://www.FreeBSD.org/releases/ 613 614BSD Hypertext Man Pages 615URL: http://www.FreeBSD.org/cgi/man.cgi 616 617UNIX history graphing project 618URL: http://minnie.tuhs.org/Unix_History/index.html 619 620UNIX history 621URL: http://www.levenez.com/unix/ 622 623James Howard: The BSD Family Tree 624URL: http://ezine.daemonnews.org/200104/bsd_family.html 625("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 626 627 628Acknowledgments 629--------------- 630 631Josh Gilliam for suggestions, bug fixes, and finding very old 632original BSD announcements from Usenet or tapes. 633 634Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 635 636-- 637Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 638URL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree 639 640$FreeBSD$ 641