bsd-family-tree revision 1.57
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 | | | | | | | | | 262 | | | | | | NetBSD | | 263 | | | | | | 5.1.4 | | 264 | | | | | | OpenBSD 5.1 | 265 | | | Mac OS X | `----. | | 266 | | | 10.8 | \ | | 267 | | | | NetBSD 6.0 | | | 268 | | | | | | | | OpenBSD 5.2 DragonFly 3.2.1 269 | FreeBSD | | | | | NetBSD | | 270 | 9.1 | | | | | 5.2 | | 271 | | | | | | | | | | 272 | | | | | | | NetBSD | | 273 | | | | | | | 5.2.1 | | 274 | | | | | | | | | | 275 | | | | | | | NetBSD | | 276 | | | | | | | 5.2.2 | | 277 | | | | | | | | | 278 | | | | | | \ | | 279 | | | | | | NetBSD | | 280 | | | | | | 6.0.1 | | 281 | | | | | | | OpenBSD 5.3 DragonFly 3.4.1 282 | | | | | | NetBSD | | 283 | | | | | | 6.0.2 | | 284 | | | | | | | | | 285 | | | | | | NetBSD | | 286 | | | | | | 6.0.3 | | 287 | | | | | | | | | 288 | | | | | | NetBSD | | 289 | | | | | | 6.0.4 | | 290 | | | | | | | | | 291 | | | | | | NetBSD | | 292 | | | | | | 6.0.5 | | 293 | | | | | | | | 294 | | | | | |`-NetBSD 6.1 | | 295 | | FreeBSD | | | | | 296 | | 8.4 | | NetBSD 6.1.1 | | 297 | | | | | | | 298 | FreeBSD | | NetBSD 6.1.2 | | 299 | 9.2 Mac OS X | | | | 300 | | 10.9 | | OpenBSD 5.4 | 301 | `-----. | | | | DragonFly 3.6.0 302 | \ | | | | | 303 *--FreeBSD | | | NetBSD 6.1.3 | | 304 | 10.0 | | | | | | 305 | | | | | | | DragonFly 3.6.1 306 | | | | | | | | 307 | | | | | | | | 308 | | | | | | | DragonFly 3.6.2 309 | | | | | NetBSD 6.1.4 | | 310 | | | | | | | | 311 | | | | | | OpenBSD 5.5 | 312 | | | | | | | | 313 | | | | | | | DragonFly 3.8.0 314 | | | | | | | | 315 | | | | | | | | 316 | | | | | | | DragonFly 3.8.1 317 | | | | | | | | 318 | | | | | | | | 319 | | | | | | | DragonFly 3.6.3 320 | | | | | | | | 321 | | FreeBSD | | | | | 322 | | 9.3 | | | | | 323 | | | | NetBSD 6.1.5 | DragonFly 3.8.2 324 | | Mac OS X | | | 325 | | 10.10 | | | 326 | | | | OpenBSD 5.6 | 327 | FreeBSD | | | | 328 | 10.1 | | | DragonFly 4.0.1 329 | | | | | | 330 | | | | | DragonFly 4.0.2 331 | | | | | | 332 | | | | | DragonFly 4.0.3 333 | | | | | | 334 | | | | | DragonFly 4.0.4 335 | | | | | | 336 | | | | | DragonFly 4.0.5 337 | | | | | | 338 | | | | OpenBSD 5.7 | 339 | | | | | DragonFly 4.2.0 340 | FreeBSD | | | | 341 | 10.2 | | | | 342 | | OS X NetBSD 7.0 | | 343 | | 10.11 | OpenBSD 5.8 | 344 | | | | | DragonFly 4.4.1 345 | FreeBSD | | OpenBSD 5.9 | 346 | 10.3 | | | | 347 | | | | DragonFly 4.6.0 348 *--FreeBSD | | OpenBSD 6.0 | 349 | 11.0 | | | | 350 | | | | | 351 | | | | | 352FreeBSD 12 -current | NetBSD -current OpenBSD -current DragonFly -current 353 | | | | | 354 v v v v v 355 356Time 357---------------- 358 359Time tolerance +/- 6 months, depending on which book/article you read; if it 360was the announcement in Usenet or if it was available as tape. 361 362[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 363 and John Quarterman. The Design and Implementation of 364 the 4.4BSD Operating System. 365[APL] Apple website [http://www.apple.com/macosx/] 366[BSDI] Berkeley Software Design, Inc. 367[DFB] DragonFlyBSD Project, The. 368[DOC] README, COPYRIGHT on tape. 369[FBD] FreeBSD Project, The. 370[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 371 Volume 11, Info 4, April, 1987. 372[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 373 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 374[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 375 Changes in the Kernel in 2.9BSD. Second Berkeley Software 376 Distribution UNIX Version 2.9, July, 1983. 377[NBD] NetBSD Project, The. 378[OBD] OpenBSD Project, The. 379[QCU] Salus, Peter H. A quarter century of UNIX. 380[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 381[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 382[USE] Usenet announcement. 383[WRS] Wind River Systems, Inc. 384[dmr] Dennis Ritchie, via E-Mail 385 386Multics 1965 387UNIX Summer 1969 388 DEC PDP-7 389First Edition 1971-11-03 [QCU] 390 DEC PDP-11/20, Assembler 391Second Edition 1972-06-12 [QCU] 392 10 UNIX installations 393Third Edition 1973-02-xx [QCU] 394 Pipes, 16 installations 395Fourth Edition 1973-11-xx [QCU] 396 rewriting in C effected, 397 above 30 installations 398Fifth Edition 1974-06-xx [QCU] 399 above 50 installations 400Sixth Edition 1975-05-xx [QCU] 401 port to DEC Vax 402Seventh Edition 1979-01-xx [QCU] 403 first portable UNIX 404Eighth Edition 1985-02-xx [QCU] 405 VAX 11/750, VAX 11/780 [dmr] 406 descended from 4.1c BSD [dmr] 407 descended from 4.1 BSD [44B] 408 scooping-out and replacement of the character-device 409 and networking part by the streams mechanism 410 411Ninth Edition 1986-09-xx [QCU] 412Tenth Edition 1989-10-xx [QCU] 413 4141BSD late 1977 415 1978-03-09 [QCU] 416 PDP-11, Pascal, ex(1) 417 30 free copies of 1BSD sent out 418 35 tapes sold for 50 USD [QCU] 4192BSD mid 1978 [QCU] 1979-05-10 [TUHS] 420 75 2BSD tapes shipped 4212.79BSD 1980-04-xx [TUHS] 4222.8BSD 1981-07-xx [KSJ] 423 4242.8.1BSD 1982-01-xx [QCU] 425 set of performance improvements 4262.9BSD 1983-07-xx [KSJ] 4272.9.1BSD 1983-11-xx [TUHS] 4282.9BSD-Seismo 1985-08-xx [SMS] 4292.10BSD 1987-04-xx [KKK] 4302.10.1BSD 1989-01-xx [SMS] 4312.11BSD 1992-02-xx [SMS] 4322.11BSD rev #430 1999-12-13 [SMS] 433 43432V 1978-1[01]-xx [QCU] 4353BSD late 1979 [QCU] March 1980 [TUHS] 436 virtual memory, page replacement, 437 demand paging 4384.0BSD 1980-10-xx 4394.1BSD 1981-07-08 [DOC] 4404.1aBSD 1982-04-xx 441 alpha release, 100 sites, networking [44B] 4424.1bBSD internal release, fast filesystem [44B] 4434.1cBSD late 1982 444 beta release, IPC [44B] 4454.2BSD 1983-09-xx [QCU] 446 1983-08-03 [DOC] 4474.3BSD 1986-06-xx [QCU] 448 1986-04-05 [KB], [DOC] 4494.3BSD Tahoe 1988-06-15 [QCU], [DOC] 4504.3BSD NET/1 1988-11-xx [QCU] 451 1989-01-01 [DOC] 4524.3BSD Reno 1990-06-29 [QCU], [DOC] 4534.3BSD NET/2 1991-06-28 [QCU], [DOC] 454 455BSD/386 ALPHA 1991-12-xx [BSDI] 456 first code released to people outside BSDI 457386BSD 0.0 1992-02-xx [DOC] 458BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 459BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 460386BSD 0.1 1992-07-28 [DOC] 4614.4BSD Alpha 1992-07-07 462BSD/386 0.9.3 1992-10-xx [BSDI] 463 first external gamma; G customers 464BSD/386 0.9.4 1992-12-xx [BSDI] 465 would have been 1.0 except for request 466 for preliminary injunction 467BSD/386 1.0 1993-03-xx [BSDI] 468 injunction denied; first official release 469NetBSD 0.8 1993-04-20 [NBD] 4704.4BSD 1993-06-01 [USE] 471NetBSD 0.9 1993-08-23 [NBD] 472FreeBSD 1.0 1993-11-01 [FBD] 473FreeBSD 1.0.2 1993-11-14 [FBD] 474 supersedes 1.0 13 days after release. 475BSD/386 1.1 1994-02-xx [BSDI] 4764.4BSD Lite 1994-03-01 [USE] 477FreeBSD 1.1 1994-05-07 [FBD] 478FreeBSD 1.1.5 1994-06-30 [FBD] 479FreeBSD 1.1.5.1 1994-07-05 [FBD] 480 supersedes 1.1.5 5 days after release. 481NetBSD 1.0 1994-10-26 [NBD] 482386BSD 1.0 1994-11-12 [USE] 483FreeBSD 2.0 1994-11-23 [FBD] 484BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 485FreeBSD 2.0.5 1995-06-10 [FBD] 486BSD/OS 2.0.1 1995-06-xx [BSDI] 4874.4BSD Lite Release 2 1995-06-xx [44B] 488 the true final distribution from the CSRG 489FreeBSD 2.1.0 1995-11-19 [FBD] 490NetBSD 1.1 1995-11-26 [NBD] 491BSD/OS 2.1 1996-01-xx [BSDI] 492FreeBSD 2.1.5 1996-07-14 [FBD] 493NetBSD 1.2 1996-10-04 [NBD] 494OpenBSD 2.0 1996-10-18 [OBD] 495FreeBSD 2.1.6 1996-11-16 [FBD] 496FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 497Rhapsody 1997-xx-xx 498FreeBSD 2.1.7 1997-02-20 [FBD] 499BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 500FreeBSD 2.2.0 1997-03-16 [FBD] 501FreeBSD 2.2.1 1997-03-25 [FBD] 502FreeBSD 2.2.2 1997-05-16 [FBD] 503NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 504OpenBSD 2.1 1997-06-01 [OBD] 505FreeBSD 2.2.5 1997-10-22 [FBD] 506OpenBSD 2.2 1997-12-01 [OBD] 507NetBSD 1.3 1998-01-04 [NBD] 508FreeBSD 2.2.6 1998-03-25 [FBD] 509NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 510BSD/OS 3.1 1998-03-xx [BSDI] 511OpenBSD 2.3 1998-05-19 [OBD] 512NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 513FreeBSD 2.2.7 1998-07-22 [FBD] 514BSD/OS 4.0 1998-08-xx [BSDI] 515 2-lock MP support, ELF executables 516FreeBSD 3.0 1998-10-16 [FBD] 517 FreeBSD-3.0 is a snapshot from -current, 518 while 3.1 and 3.2 are from 3.x-stable which 519 was branched quite some time after 3.0-release 520FreeBSD 2.2.8 1998-11-29 [FBD] 521OpenBSD 2.4 1998-12-01 [OBD] 522NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 523FreeBSD 3.1 1999-02-15 [FBD] 524BSD/OS 4.0.1 1999-03-xx [BSDI] 525NetBSD 1.4 1999-05-12 [NBD] 526FreeBSD 3.2 1999-05-17 [FBD] 527OpenBSD 2.5 1999-05-19 [OBD] 528NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 529FreeBSD 3.3 1999-09-17 [FBD] 530OpenBSD 2.6 1999-12-01 [OBD] 531FreeBSD 3.4 1999-12-20 [FBD] 532BSD/OS 4.1 1999-12-xx [BSDI] 533FreeBSD 4.0 2000-03-13 [FBD] 534NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 535OpenBSD 2.7 2000-06-15 [OBD] 536FreeBSD 3.5 2000-06-24 [FBD] 537FreeBSD 4.1 2000-07-27 [FBD] 538FreeBSD 3.5.1 2000-07-28 [FBD] 539FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 540FreeBSD 4.2 2000-11-21 [FBD] 541NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 542BSD/OS 4.2 2000-11-29 [BSDI] 543OpenBSD 2.8 2000-12-01 [OBD] 544NetBSD 1.5 2000-12-06 [NBD] 545Mac OS X 10.0 2001-03-24 [APL] 546FreeBSD 4.3 2001-04-20 [FBD] 547OpenBSD 2.9 2001-06-01 [OBD] 548NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 549NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 550FreeBSD 4.4 2001-09-18 [FBD] 551Mac OS X 10.1 2001-09-29 [APL] 552OpenBSD 3.0 2001-12-01 [OBD] 553FreeBSD 4.5 2002-01-29 [FBD] 554BSD/OS 4.3 2002-03-14 [WRS] 555OpenBSD 3.1 2002-05-19 [OBD] 556FreeBSD 4.6 2002-06-15 [FBD] 557NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 558FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 559Mac OS X 10.2 2002-08-23 [APL] 560NetBSD 1.6 2002-09-14 [NBD] 561FreeBSD 4.7 2002-10-08 [FBD] 562OpenBSD 3.2 2002-11-01 [OBD] 563FreeBSD 5.0 2003-01-17 [FBD] 564 FreeBSD 5.0 is a separate branch off of 565 -current, similar to 3.0. 566FreeBSD 4.8 2003-04-03 [FBD] 567NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 568OpenBSD 3.3 2003-05-01 [OBD] 569BSD/OS 5.0 2003-05-?? [WRS] 570FreeBSD 5.1 2003-06-09 [FBD] 571Mac OS X 10.3 2003-10-24 [APL] 572FreeBSD 4.9 2003-10-28 [FBD] 573BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 574OpenBSD 3.4 2003-11-01 [OBD] 575FreeBSD 5.2 2004-01-12 [FBD] 576FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 577NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 578OpenBSD 3.5 2004-04-01 [OBD] 579FreeBSD 4.10 2004-05-27 [FBD] 580DragonFly 1.0 2004-07-12 [DFB] 581OpenBSD 3.6 2004-10-29 [OBD] 582FreeBSD 5.3 2004-11-06 [FBD] 583NetBSD 2.0 2004-12-09 [NBD] 584FreeBSD 4.11 2005-01-25 [FBD] 585DragonFly 1.2.0 2005-04-08 [DFB] 586NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 587Mac OS X 10.4 2005-04-29 [APL] 588FreeBSD 5.4 2005-05-09 [FBD] 589OpenBSD 3.7 2005-05-19 [OBD] 590NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 591OpenBSD 3.8 2005-11-01 [OBD] 592FreeBSD 6.0 2005-11-01 [FBD] 593NetBSD 2.1 2005-11-02 [NBD] 594NetBSD 3.0 2005-12-23 [NBD] 595DragonFly 1.4.0 2006-01-08 [DFB] 596FreeBSD 2.2.9 2006-04-01 [FBD] 597OpenBSD 3.9 2006-05-01 [OBD] 598FreeBSD 6.1 2006-05-08 [FBD] 599FreeBSD 5.5 2006-05-25 [FBD] 600NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 601DragonFly 1.6.0 2006-07-24 [DFB] 602OpenBSD 4.0 2006-11-01 [OBD] 603NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 604NetBSD 3.1 2006-11-04 [NBD] 605FreeBSD 6.2 2007-01-15 [FBD] 606DragonFly 1.8.0 2007-01-30 [DFB] 607OpenBSD 4.1 2007-05-01 [OBD] 608DragonFly 1.10.0 2007-08-06 [DFB] 609Mac OS X 10.5 2007-10-26 [APL] 610OpenBSD 4.2 2007-11-01 [OBD] 611NetBSD 4.0 2007-12-19 [NBD] 612FreeBSD 6.3 2008-01-18 [FBD] 613DragonFly 1.12.0 2008-02-26 [DFB] 614FreeBSD 7.0 2008-02-27 [FBD] 615OpenBSD 4.3 2008-05-01 [OBD] 616DragonFly 2.0.0 2008-07-21 [DFB] 617OpenBSD 4.4 2008-11-01 [OBD] 618FreeBSD 6.4 2008-11-28 [FBD] 619FreeBSD 7.1 2009-01-04 [FBD] 620DragonFly 2.2.0 2009-02-17 [DFB] 621NetBSD 5.0 2009-04-29 [NBD] 622OpenBSD 4.5 2009-05-01 [OBD] 623FreeBSD 7.2 2009-05-04 [FBD] 624Mac OS X 10.6 2009-06-08 [APL] 625NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 626DragonFly 2.4.0 2009-09-16 [DFB] 627OpenBSD 4.6 2009-10-18 [OBD] 628FreeBSD 8.0 2009-11-26 [FBD] 629NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 630FreeBSD 7.3 2010-03-23 [FBD] 631DragonFly 2.6.0 2010-03-28 [DFB] 632OpenBSD 4.7 2010-05-19 [OBD] 633FreeBSD 8.1 2010-07-24 [FBD] 634DragonFly 2.8.2 2010-10-30 [DFB] 635OpenBSD 4.8 2010-11-01 [OBD] 636NetBSD 5.1 2010-11-19 [NBD] 637FreeBSD 7.4 2011-02-24 [FBD] 638FreeBSD 8.2 2011-02-24 [FBD] 639DragonFly 2.10.1 2011-04-26 [DFB] 640OpenBSD 4.9 2011-05-01 [OBD] 641Mac OS X 10.7 2011-07-20 [APL] 642OpenBSD 5.0 2011-11-01 [OBD] 643FreeBSD 9.0 2012-01-12 [FBD] 644NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 645DragonFly 3.0.1 2012-02-21 [DFB] 646FreeBSD 8.3 2012-04-18 [FBD] 647OpenBSD 5.1 2012-05-01 [OBD] 648Mac OS X 10.8 2012-07-25 [APL] 649NetBSD 6.0 2012-10-17 [NBD] 650OpenBSD 5.2 2012-11-01 [OBD] 651DragonFly 3.2.1 2012-11-02 [DFB] 652NetBSD 5.2 2012-12-03 [NBD] 653NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 654FreeBSD 9.1 2012-12-30 [FBD] 655DragonFly 3.4.1 2013-04-29 [DFB] 656OpenBSD 5.3 2013-05-01 [OBD] 657NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 658NetBSD 6.1 2013-05-18 [NBD] 659FreeBSD 8.4 2013-06-07 [FBD] 660NetBSD 6.1.1 2013-08-22 [NBD] 661NetBSD 5.1.3 2013-09-29 [NBD] 662NetBSD 5.2.1 2013-09-29 [NBD] 663FreeBSD 9.2 2013-09-30 [FBD] 664NetBSD 6.0.3 2013-09-30 [NBD] 665NetBSD 6.1.2 2013-09-30 [NBD] 666Mac OS X 10.9 2013-10-22 [APL] 667OpenBSD 5.4 2013-11-01 [OBD] 668DragonFly 3.6.0 2013-11-25 [DFB] 669FreeBSD 10.0 2014-01-20 [FBD] 670NetBSD 5.1.4 2014-01-25 [NBD] 671NetBSD 5.2.2 2014-01-25 [NBD] 672NetBSD 6.0.4 2014-01-25 [NBD] 673NetBSD 6.1.3 2014-01-25 [NBD] 674DragonFly 3.6.1 2014-02-22 [DFB] 675DragonFly 3.6.2 2014-04-10 [DFB] 676NetBSD 6.0.5 2014-04-12 [NDB] 677NetBSD 6.1.4 2014-04-12 [NDB] 678OpenBSD 5.5 2014-05-01 [OBD] 679DragonFly 3.8.0 2014-06-04 [DFB] 680DragonFly 3.8.1 2014-06-16 [DFB] 681DragonFly 3.6.3 2014-06-17 [DFB] 682FreeBSD 9.3 2014-07-05 [FBD] 683DragonFly 3.8.2 2014-08-08 [DFB] 684NetBSD 6.1.5 2014-09-22 [NBD] 685Mac OS X 10.10 2014-10-16 [APL] 686OpenBSD 5.6 2014-11-01 [OBD] 687FreeBSD 10.1 2014-11-14 [FBD] 688DragonFly 4.0.1 2014-11-25 [DFB] 689DragonFly 4.0.2 2015-01-07 [DFB] 690DragonFly 4.0.3 2015-01-21 [DFB] 691DragonFly 4.0.4 2015-03-09 [DFB] 692DragonFly 4.0.5 2015-03-23 [DFB] 693OpenBSD 5.7 2015-05-01 [OBD] 694DragonFly 4.2.0 2015-06-29 [DFB] 695FreeBSD 10.2 2015-08-13 [FBD] 696NetBSD 7.0 2015-09-25 [NBD] 697OS X 10.11 2015-09-30 [APL] 698OpenBSD 5.8 2015-10-18 [OBD] 699DragonFly 4.4.1 2015-12-07 [DFB] 700OpenBSD 5.9 2016-03-29 [OBD] 701FreeBSD 10.3 2016-04-04 [FBD] 702DragonFly 4.6.0 2016-08-02 [DFB] 703OpenBSD 6.0 2016-09-01 [OBD] 704 705Bibliography 706------------------------ 707 708Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 709Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 710System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 711 712Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 713Company, Inc., 1994. ISBN 0-201-54777-5 714 715McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 716Quarterman. The Design and Implementation of the 4.4BSD Operating 717System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 718 719McKusick, Marshall Kirk, George Neville-Neil. The Design and 720Implementation of the FreeBSD Operating System. 721Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 722 723McKusick, Marshall Kirk, George Neville-Neil, Robert Watson. The 724Design and Implementation of the FreeBSD Operating System, 2nd Edition. 725Pearson Education, Inc., 2014. ISBN 0-321-96897-2 726 727Doug McIlroy. Research Unix Reader. 728 729Michael G. Brown. The Role of BSD in the Development of Unix. 730Presented to the Tasmanian Unix Special Interest Group of the 731Australian Computer Society, Hobart, August 1993. 732 733Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 734URL: http://www.byte.com/art/9410/sec8/art3.htm 735 736Andreas Klemm, Lars Köller. If you're going to San Francisco ... 737Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 738 739BSD Release Announcements collection. 740URL: http://www.FreeBSD.org/releases/ 741 742BSD Hypertext Man Pages 743URL: http://www.FreeBSD.org/cgi/man.cgi 744 745UNIX history graphing project 746URL: http://minnie.tuhs.org/Unix_History/index.html 747 748UNIX history 749URL: http://www.levenez.com/unix/ 750 751James Howard: The BSD Family Tree 752URL: http://ezine.daemonnews.org/200104/bsd_family.html 753("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 754 755 756Acknowledgments 757--------------- 758 759Josh Gilliam for suggestions, bug fixes, and finding very old 760original BSD announcements from Usenet or tapes. 761 762Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 763 764-- 765Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 766URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 767 768$FreeBSD: head/share/misc/bsd-family-tree 305215 2016-09-01 17:05:54Z maxim $ 769$NetBSD: bsd-family-tree,v 1.57 2016/09/29 14:32:51 sevan Exp $ 770