bsd-family-tree revision 256368
194742SobrienThe UNIX system family tree: Research and BSD 294742Sobrien--------------------------------------------- 394742Sobrien 495253SruFirst Edition (V1) 594742Sobrien | 696991SrwatsonSecond Edition (V2) 796991Srwatson | 896991SrwatsonThird Edition (V3) 9102773Srwatson | 10102773SrwatsonFourth Edition (V4) 1194854Ssos | 1294917SimpFifth Edition (V5) 13126445Sobrien | 1494917SimpSixth Edition (V6) -----* 1594917Simp \ | 1694917Simp \ | 17117751Smarkm \ | 18117751SmarkmSeventh Edition (V7) | 19116149Smarkm \ | 20116149Smarkm \ 1BSD 21125244Snectar 32V | 22125244Snectar \ 2BSD---------------* 2394847Sjhb \ / | 2494847Sjhb \ / | 2594847Sjhb \/ | 26126337Svkashyap 3BSD | 27128023Svkashyap | | 2894855Sscottl 4.0BSD 2.79BSD 29126054Sscottl | | 30126054Sscottl 4.1BSD --------------> 2.8BSD 31126054Sscottl | | 32126054Sscottl 4.1aBSD -----------\ | 33126054Sscottl | \ | 34126054Sscottl 4.1bBSD \ | 3594915Sken | \ | 3699607Smjacob *------ 4.1cBSD --------------> 2.9BSD 3794915Sken / | | 3894915SkenEighth Edition | 2.9BSD-Seismo 3994915Sken | | | 4094915Sken +----<--- 4.2BSD 2.9.1BSD 4194915Sken | | | 4294915Sken +----<--- 4.3BSD -------------> 2.10BSD 4394915Sken | | / | 4494915SkenNinth Edition | / 2.10.1BSD 4599607Smjacob | 4.3BSD Tahoe-----+ | 46106734Smjacob | | \ | 47128435Stackerman | | \ | 4897611Sbillf v | 2.11BSD 4994918SgshapiroTenth Edition | | 5094918Sgshapiro | 2.11BSD rev #430 5194918Sgshapiro 4.3BSD NET/1 | 5294918Sgshapiro | v 5394918Sgshapiro 4.3BSD Reno 54118316Smbr | 5594955Smurray *---------- 4.3BSD NET/2 -------------------+-------------* 5695054Snectar | | | | 57125080Scperciva386BSD 0.0 | | BSD/386 ALPHA 58106187Sdes | | | | 59106187Sdes386BSD 0.1 ------------>+ | BSD/386 0.3.[13] 6095455Sdes | \ | 4.4BSD Alpha | 6198750Sdes | 386BSD 1.0 | | BSD/386 0.9.[34] 6299606Sdes | | 4.4BSD | 6399606Sdes | | / | | 6499606Sdes | | 4.4BSD-Encumbered | | 6596268Sgad | -NetBSD 0.8 | BSD/386 1.0 6696268Sgad | / | | | 67116233SgadFreeBSD 1.0 <-----' NetBSD 0.9 | BSD/386 1.1 68139390Sgad | | .----- 4.4BSD Lite | 69139390SgadFreeBSD 1.1 | / / | \ | 70139390Sgad | | / / | \ | 7196332SpeterFreeBSD 1.1.5 .---|--------' / | \ | 7296332Speter | / | / | \ | 7396332SpeterFreeBSD 1.1.5.1 / | / | \ | 7496332Speter | / NetBSD 1.0 <-' | \ | 7596332Speter | / | | \ | 76100314SruFreeBSD 2.0 <--' | | BSD/OS 2.0 7796451Sru | \ | | 7897611SbillfFreeBSD 2.0.5 \ | BSD/OS 2.0.1 7998333Sanholt | .-----\------------- 4.4BSD Lite2 | 8098986Sjmallett | | \ | | | | | 81111061Sjmallett | | .-----|------Rhapsody | | | | 8299732Sjoerg | | | | NetBSD 1.3 | | | 8399732Sjoerg | | | | OpenBSD 2.3 | | 84113692Snectar | | | | BSD/OS 3.0 | 85113692SnectarFreeBSD 2.1 | | | | 86115825Sfanf | | | | NetBSD 1.1 ------. BSD/OS 2.1 87126445Sobrien | FreeBSD 2.1.5 | | | \ | 88117645Sdwmalone | | | | NetBSD 1.2 \ BSD/OS 3.0 89118204Sbp | FreeBSD 2.1.6 | | | \ OpenBSD 2.0 | 90118204Sbp | | | | | \ | | 91118204Sbp | FreeBSD 2.1.6.1 | | | \ | | 92118204Sbp | | | | | \ | | 93127337Smlaier | FreeBSD 2.1.7 | | | | | | 94126445Sobrien | | | | | NetBSD 1.2.1 | | 95133182Spjd | FreeBSD 2.1.7.1 | | | | | 96133182Spjd | | | | | | 97133182Spjd | | | | | | 98133182Spjd *-FreeBSD 2.2 | | | | | 99133182Spjd | \ | | | | | 100133841Spjd | FreeBSD 2.2.1 | | | | | 101143521Spjd | | | | | | | 102133182Spjd | FreeBSD 2.2.2 | | | OpenBSD 2.1 | 103133182Spjd | | | | | | | 104132311Salfred | FreeBSD 2.2.5 | | | | | 105132311Salfred | | | | | OpenBSD 2.2 | 106132311Salfred | | | | NetBSD 1.3 | | 107132268Salfred | FreeBSD 2.2.6 | | | | | | 108146558Skrion | | | | | NetBSD 1.3.1 | BSD/OS 3.1 109115822Sdougb | | | | | | OpenBSD 2.3 | 110115822Sdougb | | | | | NetBSD 1.3.2 | | 111115822Sdougb | FreeBSD 2.2.7 | | | | | | 112115822Sdougb | | | | | | | BSD/OS 4.0 113115822Sdougb | v | | | | | | 114115822Sdougb | FreeBSD 2.2.8 | | | | | | 115115822Sdougb | | | | | OpenBSD 2.4 | 116115822SdougbFreeBSD 3.0 <--------* | | v | | 117115822Sdougb | | | NetBSD 1.3.3 | | 118115822Sdougb *---FreeBSD 3.1 | | | | 119115822Sdougb | | | | | BSD/OS 4.0.1 120115822Sdougb | FreeBSD 3.2----* | NetBSD 1.4 OpenBSD 2.5 | 121115822Sdougb | | | | | | | | | 122115822Sdougb | | | | | | | | | 123115822Sdougb | | | | | | | | | 124115822Sdougb | FreeBSD 3.3 | | | | NetBSD 1.4.1 | | 125115822Sdougb | | | | | | | OpenBSD 2.6 | 126115822Sdougb | FreeBSD 3.4 | | | | | | | 127115822Sdougb | | | | | | | | BSD/OS 4.1 128115822SdougbFreeBSD 4.0 | | | | | NetBSD 1.4.2 | | 129115822Sdougb | | | | | | | | | 130115822Sdougb | | | | | | | | | 131115895Sguido | FreeBSD 3.5 | | | | | OpenBSD 2.7 | 132115822Sdougb | | | | | | | | | 133115895Sguido | FreeBSD 3.5.1 | | | | | | | 134115895Sguido | | | | | | | | 135115895Sguido *---FreeBSD 4.1 | | | | | | | 136115822Sdougb | | | | (?) | | | | 137115822Sdougb | FreeBSD 4.1.1 | | / | | | | 138115822Sdougb | | | | / | | | | 139115822Sdougb | FreeBSD 4.2 Darwin/ | NetBSD 1.4.3 | | 140115822Sdougb | | Mac OS X | OpenBSD 2.8 BSD/OS 4.2 141115822Sdougb | | | | | | 142115822Sdougb | | | | | | 143115822Sdougb | | 10.0 NetBSD 1.5 | | 144115822Sdougb | FreeBSD 4.3 | | | | | 145115822Sdougb | | | | | OpenBSD 2.9 | 146115822Sdougb | | | | NetBSD 1.5.1 | | 147115822Sdougb | | | | | | | 148115822Sdougb | FreeBSD 4.4-. | | NetBSD 1.5.2 | | 149115822Sdougb | | | Mac OS X | | | | 150115822Sdougb | | | 10.1 | | OpenBSD 3.0 | 151115822Sdougb | FreeBSD 4.5 | | | | | | 152115822Sdougb | | \ | | | | BSD/OS 4.3 153115822Sdougb | FreeBSD 4.6 \ | | | OpenBSD 3.1 | 154115822Sdougb | | \ | | NetBSD 1.5.3 | | 155115822Sdougb | FreeBSD 4.6.2 Mac OS X | | | 156115822Sdougb | | 10.2 | | | 157115822Sdougb | FreeBSD 4.7 | | | | 158115822Sdougb | | | NetBSD 1.6 OpenBSD 3.2 | 159115822Sdougb | FreeBSD 4.8 | | | | | 160115822Sdougb | | | | NetBSD 1.6.1 | | 161115822Sdougb | |--------. | | | OpenBSD 3.3 BSD/OS 5.0 162115822Sdougb | | \ | | | | | 163115822Sdougb | FreeBSD 4.9 | | | | OpenBSD 3.4 BSD/OS 5.1 ISE 164115822Sdougb | | | | | | | 165115822Sdougb | | | | | NetBSD 1.6.2 | 166115895Sguido | | | | | | | 167115895Sguido | | | | | | OpenBSD 3.5 168115895Sguido | | | | | v | 169115895Sguido | FreeBSD 4.10 | | | | 170115822Sdougb | | | | | | 171115822Sdougb | FreeBSD 4.11 | | | | 172115822Sdougb | | | | | 173115822Sdougb | `-|------|-----------------|---------------------. 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 | | | | 286 | | | | | 287 | | | | | 288 | | | | | 289 | | | | | 290FreeBSD 10 -current | NetBSD -current OpenBSD -current | 291 | | | | | 292 v v v v v 293 294Time 295---------------- 296 297Time tolerance +/- 6 months, depending on which book/article you read; if it 298was the announcement in Usenet or if it was available as tape. 299 300[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 301 and John Quarterman. The Design and Implementation of 302 the 4.4BSD Operating System. 303[APL] Apple website [http://www.apple.com/macosx/] 304[BSDI] Berkeley Software Design, Inc. 305[DFB] DragonFlyBSD Project, The. 306[DOC] README, COPYRIGHT on tape. 307[FBD] FreeBSD Project, The. 308[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 309 Volume 11, Info 4, April, 1987. 310[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 311 comp.bugs.4bsd.ucb-fixes, June 15, 1988. 312[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 313 Changes in the Kernel in 2.9BSD. Second Berkeley Software 314 Distribution UNIX Version 2.9, July, 1983. 315[NBD] NetBSD Project, The. 316[OBD] OpenBSD Project, The. 317[QCU] Salus, Peter H. A quarter century of UNIX. 318[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 319[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 320[USE] Usenet announcement. 321[WRS] Wind River Systems, Inc. 322[dmr] Dennis Ritchie, via E-Mail 323 324Multics 1965 325UNIX Summer 1969 326 DEC PDP-7 327First Edition 1971-11-03 [QCU] 328 DEC PDP-11/20, Assembler 329Second Edition 1972-06-12 [QCU] 330 10 UNIX installations 331Third Edition 1973-02-xx [QCU] 332 Pipes, 16 installations 333Fourth Edition 1973-11-xx [QCU] 334 rewriting in C effected, 335 above 30 installations 336Fifth Edition 1974-06-xx [QCU] 337 above 50 installations 338Sixth Edition 1975-05-xx [QCU] 339 port to DEC Vax 340Seventh Edition 1979-01-xx [QCU] 341 first portable UNIX 342Eighth Edition 1985-02-xx [QCU] 343 VAX 11/750, VAX 11/780 [dmr] 344 descended from 4.1c BSD [dmr] 345 descended from 4.1 BSD [44B] 346 scooping-out and replacement of the character-device 347 and networking part by the streams mechanism 348 349Ninth Edition 1986-09-xx [QCU] 350Tenth Edition 1989-10-xx [QCU] 351 3521BSD late 1977 353 1978-03-09 [QCU] 354 PDP-11, Pascal, ex(1) 355 30 free copies of 1BSD sent out 356 35 tapes sold for 50 USD [QCU] 3572BSD mid 1978 [QCU] 1979-05-10 [TUHS] 358 75 2BSD tapes shipped 3592.79BSD 1980-04-xx [TUHS] 3602.8BSD 1981-07-xx [KSJ] 361 3622.8.1BSD 1982-01-xx [QCU] 363 set of performance improvements 3642.9BSD 1983-07-xx [KSJ] 3652.9.1BSD 1983-11-xx [TUHS] 3662.9BSD-Seismo 1985-08-xx [SMS] 3672.10BSD 1987-04-xx [KKK] 3682.10.1BSD 1989-01-xx [SMS] 3692.11BSD 1992-02-xx [SMS] 3702.11BSD rev #430 1999-12-13 [SMS] 371 37232V 1978-1[01]-xx [QCU] 3733BSD late 1979 [QCU] March 1980 [TUHS] 374 virtual memory, page replacement, 375 demand paging 3764.0BSD 1980-10-xx 3774.1BSD 1981-07-08 [DOC] 3784.1aBSD 1982-04-xx 379 alpha release, 100 sites, networking [44B] 3804.1bBSD internal release, fast filesystem [44B] 3814.1cBSD late 1982 382 beta release, IPC [44B] 3834.2BSD 1983-09-xx [QCU] 384 1983-08-03 [DOC] 3854.3BSD 1986-06-xx [QCU] 386 1986-04-05 [KB], [DOC] 3874.3BSD Tahoe 1988-06-15 [QCU], [DOC] 3884.3BSD NET/1 1988-11-xx [QCU] 389 1989-01-01 [DOC] 3904.3BSD Reno 1990-06-29 [QCU], [DOC] 3914.3BSD NET/2 1991-06-28 [QCU], [DOC] 392 393BSD/386 ALPHA 1991-12-xx [BSDI] 394 first code released to people outside BSDI 395386BSD 0.0 1992-02-xx [DOC] 396BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 397BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 398386BSD 0.1 1992-07-28 [DOC] 3994.4BSD Alpha 1992-07-07 400BSD/386 0.9.3 1992-10-xx [BSDI] 401 first external gamma; G customers 402BSD/386 0.9.4 1992-12-xx [BSDI] 403 would have been 1.0 except for request 404 for preliminary injunction 405BSD/386 1.0 1993-03-xx [BSDI] 406 injunction denied; first official release 407NetBSD 0.8 1993-04-20 [NBD] 4084.4BSD 1993-06-01 [USE] 409NetBSD 0.9 1993-08-23 [NBD] 410FreeBSD 1.0 1993-11-01 [FBD] 411FreeBSD 1.0.2 1993-11-14 [FBD] 412 supersedes 1.0 13 days after release. 413BSD/386 1.1 1994-02-xx [BSDI] 4144.4BSD Lite 1994-03-01 [USE] 415FreeBSD 1.1 1994-05-07 [FBD] 416FreeBSD 1.1.5 1994-06-30 [FBD] 417FreeBSD 1.1.5.1 1994-07-05 [FBD] 418 supersedes 1.1.5 5 days after release. 419NetBSD 1.0 1994-10-26 [NBD] 420386BSD 1.0 1994-11-12 [USE] 421FreeBSD 2.0 1994-11-23 [FBD] 422BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 423FreeBSD 2.0.5 1995-06-10 [FBD] 424BSD/OS 2.0.1 1995-06-xx [BSDI] 4254.4BSD Lite Release 2 1995-06-xx [44B] 426 the true final distribution from the CSRG 427FreeBSD 2.1.0 1995-11-19 [FBD] 428NetBSD 1.1 1995-11-26 [NBD] 429BSD/OS 2.1 1996-01-xx [BSDI] 430FreeBSD 2.1.5 1996-07-14 [FBD] 431NetBSD 1.2 1996-10-04 [NBD] 432OpenBSD 2.0 1996-10-18 [OBD] 433FreeBSD 2.1.6 1996-11-16 [FBD] 434FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 435Rhapsody 1997-xx-xx 436FreeBSD 2.1.7 1997-02-20 [FBD] 437BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 438FreeBSD 2.2.0 1997-03-16 [FBD] 439FreeBSD 2.2.1 1997-03-25 [FBD] 440FreeBSD 2.2.2 1997-05-16 [FBD] 441NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 442OpenBSD 2.1 1997-06-01 [OBD] 443FreeBSD 2.2.5 1997-10-22 [FBD] 444OpenBSD 2.2 1997-12-01 [OBD] 445NetBSD 1.3 1998-01-04 [NBD] 446FreeBSD 2.2.6 1998-03-25 [FBD] 447NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 448BSD/OS 3.1 1998-03-xx [BSDI] 449OpenBSD 2.3 1998-05-19 [OBD] 450NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 451FreeBSD 2.2.7 1998-07-22 [FBD] 452BSD/OS 4.0 1998-08-xx [BSDI] 453 2-lock MP support, ELF executables 454FreeBSD 3.0 1998-10-16 [FBD] 455 FreeBSD-3.0 is a snapshot from -current, 456 while 3.1 and 3.2 are from 3.x-stable which 457 was branched quite some time after 3.0-release 458FreeBSD 2.2.8 1998-11-29 [FBD] 459OpenBSD 2.4 1998-12-01 [OBD] 460NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 461FreeBSD 3.1 1999-02-15 [FBD] 462BSD/OS 4.0.1 1999-03-xx [BSDI] 463NetBSD 1.4 1999-05-12 [NBD] 464FreeBSD 3.2 1999-05-17 [FBD] 465OpenBSD 2.5 1999-05-19 [OBD] 466NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 467FreeBSD 3.3 1999-09-17 [FBD] 468OpenBSD 2.6 1999-12-01 [OBD] 469FreeBSD 3.4 1999-12-20 [FBD] 470BSD/OS 4.1 1999-12-xx [BSDI] 471FreeBSD 4.0 2000-03-13 [FBD] 472NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 473OpenBSD 2.7 2000-06-15 [OBD] 474FreeBSD 3.5 2000-06-24 [FBD] 475FreeBSD 4.1 2000-07-27 [FBD] 476FreeBSD 3.5.1 2000-07-28 [FBD] 477FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 478FreeBSD 4.2 2000-11-21 [FBD] 479NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 480BSD/OS 4.2 2000-11-29 [BSDI] 481OpenBSD 2.8 2000-12-01 [OBD] 482NetBSD 1.5 2000-12-06 [NBD] 483Mac OS X 10.0 2001-03-24 [APL] 484FreeBSD 4.3 2001-04-20 [FBD] 485OpenBSD 2.9 2001-06-01 [OBD] 486NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 487NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 488FreeBSD 4.4 2001-09-18 [FBD] 489Mac OS X 10.1 2001-09-29 [APL] 490OpenBSD 3.0 2001-12-01 [OBD] 491FreeBSD 4.5 2002-01-29 [FBD] 492BSD/OS 4.3 2002-03-14 [WRS] 493OpenBSD 3.1 2002-05-19 [OBD] 494FreeBSD 4.6 2002-06-15 [FBD] 495NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 496FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 497Mac OS X 10.2 2002-08-23 [APL] 498NetBSD 1.6 2002-09-14 [NBD] 499FreeBSD 4.7 2002-10-08 [FBD] 500OpenBSD 3.2 2002-11-01 [OBD] 501FreeBSD 5.0 2003-01-17 [FBD] 502 FreeBSD 5.0 is a separate branch off of 503 -current, similar to 3.0. 504FreeBSD 4.8 2003-04-03 [FBD] 505NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 506OpenBSD 3.3 2003-05-01 [OBD] 507BSD/OS 5.0 2003-05-?? [WRS] 508FreeBSD 5.1 2003-06-09 [FBD] 509Mac OS X 10.3 2003-10-24 [APL] 510FreeBSD 4.9 2003-10-28 [FBD] 511BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 512OpenBSD 3.4 2003-11-01 [OBD] 513FreeBSD 5.2 2004-01-12 [FBD] 514FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 515NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 516OpenBSD 3.5 2004-04-01 [OBD] 517FreeBSD 4.10 2004-05-27 [FBD] 518DragonFly 1.0 2004-07-12 [DFB] 519OpenBSD 3.6 2004-10-29 [OBD] 520FreeBSD 5.3 2004-11-06 [FBD] 521NetBSD 2.0 2004-12-09 [NBD] 522FreeBSD 4.11 2005-01-25 [FBD] 523DragonFly 1.2.0 2005-04-08 [DFB] 524NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 525Mac OS X 10.4 2005-04-29 [APL] 526FreeBSD 5.4 2005-05-09 [FBD] 527OpenBSD 3.7 2005-05-19 [OBD] 528NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 529OpenBSD 3.8 2005-11-01 [OBD] 530FreeBSD 6.0 2005-11-01 [FBD] 531NetBSD 2.1 2005-11-02 [NBD] 532NetBSD 3.0 2005-12-23 [NBD] 533DragonFly 1.4.0 2006-01-08 [DFB] 534OpenBSD 3.9 2006-05-01 [OBD] 535FreeBSD 6.1 2006-05-08 [FBD] 536FreeBSD 5.5 2006-05-25 [FBD] 537NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 538DragonFly 1.6.0 2006-07-24 [DFB] 539OpenBSD 4.0 2006-11-01 [OBD] 540NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 541NetBSD 3.1 2006-11-04 [NBD] 542FreeBSD 6.2 2007-01-15 [FBD] 543DragonFly 1.8.0 2007-01-30 [DFB] 544OpenBSD 4.1 2007-05-01 [OBD] 545DragonFly 1.10.0 2007-08-06 [DFB] 546Mac OS X 10.5 2007-10-26 [APL] 547OpenBSD 4.2 2007-11-01 [OBD] 548NetBSD 4.0 2007-12-19 [NBD] 549FreeBSD 6.3 2008-01-18 [FBD] 550DragonFly 1.12.0 2008-02-26 [DFB] 551FreeBSD 7.0 2008-02-27 [FBD] 552OpenBSD 4.3 2008-05-01 [OBD] 553DragonFly 2.0.0 2008-07-21 [DFB] 554OpenBSD 4.4 2008-11-01 [OBD] 555FreeBSD 6.4 2008-11-28 [FBD] 556FreeBSD 7.1 2009-01-04 [FBD] 557DragonFly 2.2.0 2009-02-17 [DFB] 558NetBSD 5.0 2009-04-29 [NBD] 559OpenBSD 4.5 2009-05-01 [OBD] 560FreeBSD 7.2 2009-05-04 [FBD] 561Mac OS X 10.6 2009-06-08 [APL] 562NetBSD 5.0.1 2009-08-02 [NBD] (security/critical release) 563DragonFly 2.4.0 2009-09-16 [DFB] 564OpenBSD 4.6 2009-10-18 [OBD] 565FreeBSD 8.0 2009-11-26 [FBD] 566NetBSD 5.0.2 2010-02-12 [NBD] (security/critical release) 567FreeBSD 7.3 2010-03-23 [FBD] 568DragonFly 2.6.0 2010-03-28 [DFB] 569OpenBSD 4.7 2010-05-19 [OBD] 570FreeBSD 8.1 2010-07-24 [FBD] 571DragonFly 2.8.2 2010-10-30 [DFB] 572OpenBSD 4.8 2010-11-01 [OBD] 573NetBSD 5.1 2010-11-19 [NBD] 574FreeBSD 7.4 2011-02-24 [FBD] 575FreeBSD 8.2 2011-02-24 [FBD] 576DragonFly 2.10.1 2011-04-26 [DFB] 577OpenBSD 4.9 2011-05-01 [OBD] 578Mac OS X 10.7 2011-07-20 [APL] 579OpenBSD 5.0 2011-11-01 [OBD] 580FreeBSD 9.0 2012-01-12 [FBD] 581NetBSD 5.1.2 2012-02-02 [NBD] (security/critical release) 582DragonFly 3.0.1 2012-02-21 [DFB] 583FreeBSD 8.3 2012-04-18 [FBD] 584OpenBSD 5.1 2012-05-01 [OBD] 585Mac OS X 10.8 2012-07-25 [APL] 586NetBSD 6.0 2012-10-17 [NBD] 587OpenBSD 5.2 2012-11-01 [OBD] 588DragonFly 3.2.1 2012-11-02 [DFB] 589NetBSD 5.2 2012-12-03 [NBD] 590NetBSD 6.0.1 2012-12-26 [NBD] (security/critical release) 591FreeBSD 9.1 2012-12-30 [FBD] 592DragonFly 3.4.1 2013-04-29 [DFB] 593OpenBSD 5.3 2013-05-01 [OBD] 594NetBSD 6.0.2 2013-05-18 [NBD] (security/critical release) 595NetBSD 6.1 2013-05-18 [NBD] 596FreeBSD 8.4 2013-06-07 [FBD] 597NetBSD 6.1.1 2013-08-22 [NBD] 598NetBSD 5.1.3 2013-09-29 [NBD] 599NetBSD 5.2.1 2013-09-29 [NBD] 600FreeBSD 9.2 2013-09-30 [FBD] 601NetBSD 6.0.3 2013-09-30 [NBD] 602NetBSD 6.1.2 2013-09-30 [NBD] 603 604Bibliography 605------------------------ 606 607Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 608Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 609System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 610 611Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 612Company, Inc., 1994. ISBN 0-201-54777-5 613 614McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 615Quarterman. The Design and Implementation of the 4.4BSD Operating 616System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 617 618McKusick, Marshall Kirk, George Neville-Neil. The Design and 619Implementation of the FreeBSD Operating System. 620Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 621 622Doug McIlroy. Research Unix Reader. 623 624Michael G. Brown. The Role of BSD in the Development of Unix. 625Presented to the Tasmanian Unix Special Interest Group of the 626Australian Computer Society, Hobart, August 1993. 627 628Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 629URL: http://www.byte.com/art/9410/sec8/art3.htm 630 631Andreas Klemm, Lars K��ller. If you're going to San Francisco ... 632Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 633 634BSD Release Announcements collection. 635URL: http://www.FreeBSD.org/releases/ 636 637BSD Hypertext Man Pages 638URL: http://www.FreeBSD.org/cgi/man.cgi 639 640UNIX history graphing project 641URL: http://minnie.tuhs.org/Unix_History/index.html 642 643UNIX history 644URL: http://www.levenez.com/unix/ 645 646James Howard: The BSD Family Tree 647URL: http://ezine.daemonnews.org/200104/bsd_family.html 648("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 649 650 651Acknowledgments 652--------------- 653 654Josh Gilliam for suggestions, bug fixes, and finding very old 655original BSD announcements from Usenet or tapes. 656 657Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 658 659-- 660Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 661URL: http://svnweb.freebsd.org/base/head/share/misc/bsd-family-tree 662 663$FreeBSD: stable/10/share/misc/bsd-family-tree 256368 2013-10-12 07:39:24Z eadler $ 664