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 | | 283 | | | | | | 6.0.4 | | 284 | | | | | | | | | 285 | | | | | | NetBSD | | 286 | | | | | | 6.0.5 | | 287 | | | | | | | | 288 | | | | | |`-NetBSD 6.1 | | 289 | | FreeBSD | | | | | 290 | | 8.4 | | NetBSD 6.1.1 | | 291 | | | | | | | 292 | FreeBSD | | NetBSD 6.1.2 | | 293 | 9.2 Mac OS X | | | | 294 | | 10.9 | | OpenBSD 5.4 | 295 | `-----. | | | | DragonFly 3.6.0 296 | \ | | | | | 297 *--FreeBSD | | | NetBSD 6.1.3 | | 298 | 10.0 | | | | | | 299 | | | | | | DragonFly 3.6.1 300 | | | | | | | 301 | | | | | | | 302 | | | | | | DragonFly 3.6.2 303 | | | | NetBSD 6.1.4 | | 304 | | | | | | 305 | | | | OpenBSD 5.5 | 306 | | | | | | 307 | | | | | DragonFly 3.8.0 308 | | | | | | 309 | | | | | | 310 | | | | | DragonFly 3.8.1 311 | | | | | | 312 | | | | | | 313 | | | | | DragonFly 3.6.3 314 | | | | | | 315 | FreeBSD | | | | 316 | 9.3 | | | | 317 | | | | DragonFly 3.8.2 318 | Mac OS X | | | 319 | 10.10 | | | 320 | | | | | 321 | | | | | 322 | | | | | 323 | | | | | 324 | | | | | 325 | | | | | 326 | | | | | 327 | | | | | 328FreeBSD 11 -current | NetBSD -current OpenBSD -current DragonFly -current 329 | | | | | 330 v v v v v 331 332Time 333---------------- 334 335Time tolerance +/- 6 months, depending on which book/article you read; if it 336was the announcement in Usenet or if it was available as tape. 337 338[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 339 and John Quarterman. The Design and Implementation of 340 the 4.4BSD Operating System. 341[APL] Apple website [http://www.apple.com/macosx/] 342[BSDI] Berkeley Software Design, Inc. 343[DFB] DragonFlyBSD Project, The. 344[DOC] README, COPYRIGHT on tape. 345[FBD] FreeBSD Project, The. 346[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 347 Volume 11, Info 4, April, 1987. 348[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 349 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 350[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 351 Changes in the Kernel in 2.9BSD. Second Berkeley Software 352 Distribution UNIX Version 2.9, July, 1983. 353[NBD] NetBSD Project, The. 354[OBD] OpenBSD Project, The. 355[QCU] Salus, Peter H. A quarter century of UNIX. 356[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 357[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 358[USE] Usenet announcement. 359[WRS] Wind River Systems, Inc. 360[dmr] Dennis Ritchie, via E-Mail 361 362Multics 1965 363UNIX Summer 1969 364 DEC PDP-7 365First Edition 1971-11-03 [QCU] 366 DEC PDP-11/20, Assembler 367Second Edition 1972-06-12 [QCU] 368 10 UNIX installations 369Third Edition 1973-02-xx [QCU] 370 Pipes, 16 installations 371Fourth Edition 1973-11-xx [QCU] 372 rewriting in C effected, 373 above 30 installations 374Fifth Edition 1974-06-xx [QCU] 375 above 50 installations 376Sixth Edition 1975-05-xx [QCU] 377 port to DEC Vax 378Seventh Edition 1979-01-xx [QCU] 379 first portable UNIX 380Eighth Edition 1985-02-xx [QCU] 381 VAX 11/750, VAX 11/780 [dmr] 382 descended from 4.1c BSD [dmr] 383 descended from 4.1 BSD [44B] 384 scooping-out and replacement of the character-device 385 and networking part by the streams mechanism 386 387Ninth Edition 1986-09-xx [QCU] 388Tenth Edition 1989-10-xx [QCU] 389 3901BSD late 1977 391 1978-03-09 [QCU] 392 PDP-11, Pascal, ex(1) 393 30 free copies of 1BSD sent out 394 35 tapes sold for 50 USD [QCU] 3952BSD mid 1978 [QCU] 1979-05-10 [TUHS] 396 75 2BSD tapes shipped 3972.79BSD 1980-04-xx [TUHS] 3982.8BSD 1981-07-xx [KSJ] 399 4002.8.1BSD 1982-01-xx [QCU] 401 set of performance improvements 4022.9BSD 1983-07-xx [KSJ] 4032.9.1BSD 1983-11-xx [TUHS] 4042.9BSD-Seismo 1985-08-xx [SMS] 4052.10BSD 1987-04-xx [KKK] 4062.10.1BSD 1989-01-xx [SMS] 4072.11BSD 1992-02-xx [SMS] 4082.11BSD rev #430 1999-12-13 [SMS] 409 41032V 1978-1[01]-xx [QCU] 4113BSD late 1979 [QCU] March 1980 [TUHS] 412 virtual memory, page replacement, 413 demand paging 4144.0BSD 1980-10-xx 4154.1BSD 1981-07-08 [DOC] 4164.1aBSD 1982-04-xx 417 alpha release, 100 sites, networking [44B] 4184.1bBSD internal release, fast filesystem [44B] 4194.1cBSD late 1982 420 beta release, IPC [44B] 4214.2BSD 1983-09-xx [QCU] 422 1983-08-03 [DOC] 4234.3BSD 1986-06-xx [QCU] 424 1986-04-05 [KB], [DOC] 4254.3BSD Tahoe 1988-06-15 [QCU], [DOC] 4264.3BSD NET/1 1988-11-xx [QCU] 427 1989-01-01 [DOC] 4284.3BSD Reno 1990-06-29 [QCU], [DOC] 4294.3BSD NET/2 1991-06-28 [QCU], [DOC] 430 431BSD/386 ALPHA 1991-12-xx [BSDI] 432 first code released to people outside BSDI 433386BSD 0.0 1992-02-xx [DOC] 434BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 435BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 436386BSD 0.1 1992-07-28 [DOC] 4374.4BSD Alpha 1992-07-07 438BSD/386 0.9.3 1992-10-xx [BSDI] 439 first external gamma; G customers 440BSD/386 0.9.4 1992-12-xx [BSDI] 441 would have been 1.0 except for request 442 for preliminary injunction 443BSD/386 1.0 1993-03-xx [BSDI] 444 injunction denied; first official release 445NetBSD 0.8 1993-04-20 [NBD] 4464.4BSD 1993-06-01 [USE] 447NetBSD 0.9 1993-08-23 [NBD] 448FreeBSD 1.0 1993-11-01 [FBD] 449FreeBSD 1.0.2 1993-11-14 [FBD] 450 supersedes 1.0 13 days after release. 451BSD/386 1.1 1994-02-xx [BSDI] 4524.4BSD Lite 1994-03-01 [USE] 453FreeBSD 1.1 1994-05-07 [FBD] 454FreeBSD 1.1.5 1994-06-30 [FBD] 455FreeBSD 1.1.5.1 1994-07-05 [FBD] 456 supersedes 1.1.5 5 days after release. 457NetBSD 1.0 1994-10-26 [NBD] 458386BSD 1.0 1994-11-12 [USE] 459FreeBSD 2.0 1994-11-23 [FBD] 460BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 461FreeBSD 2.0.5 1995-06-10 [FBD] 462BSD/OS 2.0.1 1995-06-xx [BSDI] 4634.4BSD Lite Release 2 1995-06-xx [44B] 464 the true final distribution from the CSRG 465FreeBSD 2.1.0 1995-11-19 [FBD] 466NetBSD 1.1 1995-11-26 [NBD] 467BSD/OS 2.1 1996-01-xx [BSDI] 468FreeBSD 2.1.5 1996-07-14 [FBD] 469NetBSD 1.2 1996-10-04 [NBD] 470OpenBSD 2.0 1996-10-18 [OBD] 471FreeBSD 2.1.6 1996-11-16 [FBD] 472FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 473Rhapsody 1997-xx-xx 474FreeBSD 2.1.7 1997-02-20 [FBD] 475BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 476FreeBSD 2.2.0 1997-03-16 [FBD] 477FreeBSD 2.2.1 1997-03-25 [FBD] 478FreeBSD 2.2.2 1997-05-16 [FBD] 479NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 480OpenBSD 2.1 1997-06-01 [OBD] 481FreeBSD 2.2.5 1997-10-22 [FBD] 482OpenBSD 2.2 1997-12-01 [OBD] 483NetBSD 1.3 1998-01-04 [NBD] 484FreeBSD 2.2.6 1998-03-25 [FBD] 485NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 486BSD/OS 3.1 1998-03-xx [BSDI] 487OpenBSD 2.3 1998-05-19 [OBD] 488NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 489FreeBSD 2.2.7 1998-07-22 [FBD] 490BSD/OS 4.0 1998-08-xx [BSDI] 491 2-lock MP support, ELF executables 492FreeBSD 3.0 1998-10-16 [FBD] 493 FreeBSD-3.0 is a snapshot from -current, 494 while 3.1 and 3.2 are from 3.x-stable which 495 was branched quite some time after 3.0-release 496FreeBSD 2.2.8 1998-11-29 [FBD] 497OpenBSD 2.4 1998-12-01 [OBD] 498NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 499FreeBSD 3.1 1999-02-15 [FBD] 500BSD/OS 4.0.1 1999-03-xx [BSDI] 501NetBSD 1.4 1999-05-12 [NBD] 502FreeBSD 3.2 1999-05-17 [FBD] 503OpenBSD 2.5 1999-05-19 [OBD] 504NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 505FreeBSD 3.3 1999-09-17 [FBD] 506OpenBSD 2.6 1999-12-01 [OBD] 507FreeBSD 3.4 1999-12-20 [FBD] 508BSD/OS 4.1 1999-12-xx [BSDI] 509FreeBSD 4.0 2000-03-13 [FBD] 510NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 511OpenBSD 2.7 2000-06-15 [OBD] 512FreeBSD 3.5 2000-06-24 [FBD] 513FreeBSD 4.1 2000-07-27 [FBD] 514FreeBSD 3.5.1 2000-07-28 [FBD] 515FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 516FreeBSD 4.2 2000-11-21 [FBD] 517NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 518BSD/OS 4.2 2000-11-29 [BSDI] 519OpenBSD 2.8 2000-12-01 [OBD] 520NetBSD 1.5 2000-12-06 [NBD] 521Mac OS X 10.0 2001-03-24 [APL] 522FreeBSD 4.3 2001-04-20 [FBD] 523OpenBSD 2.9 2001-06-01 [OBD] 524NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 525NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 526FreeBSD 4.4 2001-09-18 [FBD] 527Mac OS X 10.1 2001-09-29 [APL] 528OpenBSD 3.0 2001-12-01 [OBD] 529FreeBSD 4.5 2002-01-29 [FBD] 530BSD/OS 4.3 2002-03-14 [WRS] 531OpenBSD 3.1 2002-05-19 [OBD] 532FreeBSD 4.6 2002-06-15 [FBD] 533NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 534FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 535Mac OS X 10.2 2002-08-23 [APL] 536NetBSD 1.6 2002-09-14 [NBD] 537FreeBSD 4.7 2002-10-08 [FBD] 538OpenBSD 3.2 2002-11-01 [OBD] 539FreeBSD 5.0 2003-01-17 [FBD] 540 FreeBSD 5.0 is a separate branch off of 541 -current, similar to 3.0. 542FreeBSD 4.8 2003-04-03 [FBD] 543NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 544OpenBSD 3.3 2003-05-01 [OBD] 545BSD/OS 5.0 2003-05-?? [WRS] 546FreeBSD 5.1 2003-06-09 [FBD] 547Mac OS X 10.3 2003-10-24 [APL] 548FreeBSD 4.9 2003-10-28 [FBD] 549BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 550OpenBSD 3.4 2003-11-01 [OBD] 551FreeBSD 5.2 2004-01-12 [FBD] 552FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 553NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 554OpenBSD 3.5 2004-04-01 [OBD] 555FreeBSD 4.10 2004-05-27 [FBD] 556DragonFly 1.0 2004-07-12 [DFB] 557OpenBSD 3.6 2004-10-29 [OBD] 558FreeBSD 5.3 2004-11-06 [FBD] 559NetBSD 2.0 2004-12-09 [NBD] 560FreeBSD 4.11 2005-01-25 [FBD] 561DragonFly 1.2.0 2005-04-08 [DFB] 562NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 563Mac OS X 10.4 2005-04-29 [APL] 564FreeBSD 5.4 2005-05-09 [FBD] 565OpenBSD 3.7 2005-05-19 [OBD] 566NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 567OpenBSD 3.8 2005-11-01 [OBD] 568FreeBSD 6.0 2005-11-01 [FBD] 569NetBSD 2.1 2005-11-02 [NBD] 570NetBSD 3.0 2005-12-23 [NBD] 571DragonFly 1.4.0 2006-01-08 [DFB] 572FreeBSD 2.2.9 2006-04-01 [FBD] 573OpenBSD 3.9 2006-05-01 [OBD] 574FreeBSD 6.1 2006-05-08 [FBD] 575FreeBSD 5.5 2006-05-25 [FBD] 576NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 577DragonFly 1.6.0 2006-07-24 [DFB] 578OpenBSD 4.0 2006-11-01 [OBD] 579NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 580NetBSD 3.1 2006-11-04 [NBD] 581FreeBSD 6.2 2007-01-15 [FBD] 582DragonFly 1.8.0 2007-01-30 [DFB] 583OpenBSD 4.1 2007-05-01 [OBD] 584DragonFly 1.10.0 2007-08-06 [DFB] 585Mac OS X 10.5 2007-10-26 [APL] 586OpenBSD 4.2 2007-11-01 [OBD] 587NetBSD 4.0 2007-12-19 [NBD] 588FreeBSD 6.3 2008-01-18 [FBD] 589DragonFly 1.12.0 2008-02-26 [DFB] 590FreeBSD 7.0 2008-02-27 [FBD] 591OpenBSD 4.3 2008-05-01 [OBD] 592DragonFly 2.0.0 2008-07-21 [DFB] 593OpenBSD 4.4 2008-11-01 [OBD] 594FreeBSD 6.4 2008-11-28 [FBD] 595FreeBSD 7.1 2009-01-04 [FBD] 596DragonFly 2.2.0 2009-02-17 [DFB] 597NetBSD 5.0 2009-04-29 [NBD] 598OpenBSD 4.5 2009-05-01 [OBD] 599FreeBSD 7.2 2009-05-04 [FBD] 600Mac OS X 10.6 2009-06-08 [APL] 601NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 602DragonFly 2.4.0 2009-09-16 [DFB] 603OpenBSD 4.6 2009-10-18 [OBD] 604FreeBSD 8.0 2009-11-26 [FBD] 605NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 606FreeBSD 7.3 2010-03-23 [FBD] 607DragonFly 2.6.0 2010-03-28 [DFB] 608OpenBSD 4.7 2010-05-19 [OBD] 609FreeBSD 8.1 2010-07-24 [FBD] 610DragonFly 2.8.2 2010-10-30 [DFB] 611OpenBSD 4.8 2010-11-01 [OBD] 612NetBSD 5.1 2010-11-19 [NBD] 613FreeBSD 7.4 2011-02-24 [FBD] 614FreeBSD 8.2 2011-02-24 [FBD] 615DragonFly 2.10.1 2011-04-26 [DFB] 616OpenBSD 4.9 2011-05-01 [OBD] 617Mac OS X 10.7 2011-07-20 [APL] 618OpenBSD 5.0 2011-11-01 [OBD] 619FreeBSD 9.0 2012-01-12 [FBD] 620NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 621DragonFly 3.0.1 2012-02-21 [DFB] 622FreeBSD 8.3 2012-04-18 [FBD] 623OpenBSD 5.1 2012-05-01 [OBD] 624Mac OS X 10.8 2012-07-25 [APL] 625NetBSD 6.0 2012-10-17 [NBD] 626OpenBSD 5.2 2012-11-01 [OBD] 627DragonFly 3.2.1 2012-11-02 [DFB] 628NetBSD 5.2 2012-12-03 [NBD] 629NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 630FreeBSD 9.1 2012-12-30 [FBD] 631DragonFly 3.4.1 2013-04-29 [DFB] 632OpenBSD 5.3 2013-05-01 [OBD] 633NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 634NetBSD 6.1 2013-05-18 [NBD] 635FreeBSD 8.4 2013-06-07 [FBD] 636NetBSD 6.1.1 2013-08-22 [NBD] 637NetBSD 5.1.3 2013-09-29 [NBD] 638NetBSD 5.2.1 2013-09-29 [NBD] 639FreeBSD 9.2 2013-09-30 [FBD] 640NetBSD 6.0.3 2013-09-30 [NBD] 641NetBSD 6.1.2 2013-09-30 [NBD] 642Mac OS X 10.9 2013-10-22 [APL] 643OpenBSD 5.4 2013-11-01 [OBD] 644DragonFly 3.6.0 2013-11-25 [DFB] 645FreeBSD 10.0 2014-01-20 [FBD] 646NetBSD 6.0.4 2014-01-27 [NBD] 647NetBSD 6.1.3 2014-01-27 [NBD] 648DragonFly 3.6.1 2014-02-22 [DFB] 649DragonFly 3.6.2 2014-04-10 [DFB] 650NetBSD 6.0.5 2014-04-19 [NDB] 651NetBSD 6.1.4 2014-04-19 [NDB] 652OpenBSD 5.5 2014-05-01 [OBD] 653DragonFly 3.8.0 2014-06-04 [DFB] 654DragonFly 3.8.1 2014-06-16 [DFB] 655DragonFly 3.6.3 2014-06-17 [DFB] 656FreeBSD 9.3 2014-07-05 [FBD] 657DragonFly 3.8.2 2014-08-08 [DFB] 658Mac OS X 10.10 2014-10-16 [APL] 659 660Bibliography 661------------------------ 662 663Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 664Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 665System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 666 667Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 668Company, Inc., 1994. ISBN 0-201-54777-5 669 670McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 671Quarterman. The Design and Implementation of the 4.4BSD Operating 672System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 673 674McKusick, Marshall Kirk, George Neville-Neil. The Design and 675Implementation of the FreeBSD Operating System. 676Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 677 678Doug McIlroy. Research Unix Reader. 679 680Michael G. Brown. The Role of BSD in the Development of Unix. 681Presented to the Tasmanian Unix Special Interest Group of the 682Australian Computer Society, Hobart, August 1993. 683 684Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 685URL: http://www.byte.com/art/9410/sec8/art3.htm 686 687Andreas Klemm, Lars Köller. If you're going to San Francisco ... 688Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 689 690BSD Release Announcements collection. 691URL: http://www.FreeBSD.org/releases/ 692 693BSD Hypertext Man Pages 694URL: http://www.FreeBSD.org/cgi/man.cgi 695 696UNIX history graphing project 697URL: http://minnie.tuhs.org/Unix_History/index.html 698 699UNIX history 700URL: http://www.levenez.com/unix/ 701 702James Howard: The BSD Family Tree 703URL: http://ezine.daemonnews.org/200104/bsd_family.html 704("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 705 706 707Acknowledgments 708--------------- 709 710Josh Gilliam for suggestions, bug fixes, and finding very old 711original BSD announcements from Usenet or tapes. 712 713Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 714 715-- 716Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 717URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 718 719$FreeBSD: head/share/misc/bsd-family-tree 273333 2014-10-20 15:41:11Z pluknet $ 720