bsd-family-tree revision 171777
1314564SdimThe UNIX system family tree: Research and BSD 2314564Sdim--------------------------------------------- 3285101Semaste 4353358SdimFirst Edition (V1) 5353358Sdim | 6353358SdimSecond Edition (V2) 7285101Semaste | 8285101SemasteThird Edition (V3) 9285101Semaste | 10285101SemasteFourth Edition (V4) 11353358Sdim | 12344779SdimFifth Edition (V5) 13344779Sdim | 14285101SemasteSixth Edition (V6) -----* 15344779Sdim \ | 16344779Sdim \ | 17285101Semaste \ | 18285101SemasteSeventh Edition (V7) | 19285101Semaste \ | 20314564Sdim \ 1BSD 21285101Semaste 32V | 22314564Sdim \ 2BSD---------------* 23314564Sdim \ / | 24314564Sdim \ / | 25314564Sdim \/ | 26344779Sdim 3BSD | 27314564Sdim | | 28285101Semaste 4.0BSD 2.7.9BSD 29314564Sdim | | 30285101Semaste 4.1BSD --------------> 2.8BSD 31314564Sdim | | 32314564Sdim 4.1aBSD -----------\ | 33314564Sdim | \ | 34314564Sdim 4.1bBSD \ | 35314564Sdim | \ | 36314564Sdim *------ 4.1cBSD --------------> 2.9BSD 37314564Sdim / | | 38314564SdimEighth Edition | 2.9BSD-Seismo 39344779Sdim | | | 40344779Sdim +----<--- 4.2BSD 2.9.1BSD 41344779Sdim | | | 42344779Sdim +----<--- 4.3BSD -------------> 2.10BSD 43344779Sdim | | / | 44344779SdimNinth Edition | / 2.10.1BSD 45344779Sdim | 4.3BSD Tahoe-----+ | 46344779Sdim | | \ | 47344779Sdim | | \ | 48344779Sdim v | 2.11BSD 49314564SdimTenth Edition | | 50314564Sdim | 2.11BSD rev #430 51314564Sdim 4.3BSD NET/1 | 52314564Sdim | v 53314564Sdim 4.3BSD Reno 54314564Sdim | 55314564Sdim *---------- 4.3BSD NET/2 -------------------+-------------* 56314564Sdim | | | | 57314564Sdim386BSD 0.0 | | BSD/386 ALPHA 58314564Sdim | | | | 59314564Sdim386BSD 0.1 ------------>+ | BSD/386 0.3.[13] 60314564Sdim | \ | 4.4BSD Alpha | 61314564Sdim | 386BSD 1.0 | | BSD/386 0.9.[34] 62314564Sdim | | 4.4BSD | 63314564Sdim | | / | | 64314564Sdim | | 4.4BSD-Encumbered | | 65314564Sdim | NetBSD 0.8 | BSD/386 1.0 66314564Sdim | | | | 67314564SdimFreeBSD 1.0 NetBSD 0.9 | BSD/386 1.1 68314564Sdim | | .----- 4.4BSD Lite | 69314564SdimFreeBSD 1.1 | / / | \ | 70314564Sdim | | / / | \ | 71314564SdimFreeBSD 1.1.5 .---|--------' / | \ | 72314564Sdim | / | / | \ | 73285101SemasteFreeBSD 1.1.5.1 / | / | \ | 74314564Sdim | / NetBSD 1.0 <-' | \ | 75314564Sdim | / | | \ | 76314564SdimFreeBSD 2.0 <--' | | BSD/OS 2.0 77314564Sdim | \ | | 78314564SdimFreeBSD 2.0.5 \ | BSD/OS 2.0.1 79344779Sdim | .-----\------------- 4.4BSD Lite2 | 80314564Sdim | | \ | | | | | 81285101Semaste | | .-----|------Rhapsody | | | | 82285101Semaste | | | | NetBSD 1.3 | | | 83314564Sdim | | | | OpenBSD 2.3 | | 84353358Sdim | | | | BSD/OS 3.0 | 85353358SdimFreeBSD 2.1 | | | | 86353358Sdim | | | | NetBSD 1.1 ------. BSD/OS 2.1 87285101Semaste | FreeBSD 2.1.5 | | | \ | 88314564Sdim | | | | NetBSD 1.2 \ BSD/OS 3.0 89353358Sdim | FreeBSD 2.1.6 | | | \ OpenBSD 2.0 | 90353358Sdim | | | | | \ | | 91353358Sdim | FreeBSD 2.1.6.1 | | | \ | | 92353358Sdim | | | | | \ | | 93285101Semaste | FreeBSD 2.1.7 | | | | | | 94314564Sdim | | | | | NetBSD 1.2.1 | | 95314564Sdim | FreeBSD 2.1.7.1 | | | | | 96353358Sdim | | | | | | 97353358Sdim | | | | | | 98353358Sdim *-FreeBSD 2.2 | | | | | 99353358Sdim | \ | | | | | 100353358Sdim | FreeBSD 2.2.1 | | | | | 101353358Sdim | | | | | | | 102353358Sdim | FreeBSD 2.2.2 | | | OpenBSD 2.1 | 103285101Semaste | | | | | | | 104285101Semaste | FreeBSD 2.2.5 | | | | | 105314564Sdim | | | | | OpenBSD 2.2 | 106285101Semaste | | | | NetBSD 1.3 | | 107353358Sdim | FreeBSD 2.2.6 | | | | | | 108353358Sdim | | | | | NetBSD 1.3.1 | BSD/OS 3.1 109353358Sdim | | | | | | OpenBSD 2.3 | 110353358Sdim | | | | | NetBSD 1.3.2 | | 111353358Sdim | FreeBSD 2.2.7 | | | | | | 112353358Sdim | | | | | | | BSD/OS 4.0 113285101Semaste | v | | | | | | 114353358Sdim | FreeBSD 2.2.8 | | | | | | 115353358Sdim | | | | | OpenBSD 2.4 | 116353358SdimFreeBSD 3.0 <--------* | | v | | 117314564Sdim | | | NetBSD 1.3.3 | | 118353358Sdim *---FreeBSD 3.1 | | | | 119353358Sdim | | | | | BSD/OS 4.0.1 120353358Sdim | FreeBSD 3.2----* | NetBSD 1.4 OpenBSD 2.5 | 121353358Sdim | | | | | | | | | 122285101Semaste | | | | | | | | | 123285101Semaste | | | | | | | | | 124314564Sdim | FreeBSD 3.3 | | | | NetBSD 1.4.1 | | 125353358Sdim | | | | | | | OpenBSD 2.6 | 126353358Sdim | FreeBSD 3.4 | | | | | | | 127353358Sdim | | | | | | | | BSD/OS 4.1 128353358SdimFreeBSD 4.0 | | | | | NetBSD 1.4.2 | | 129285101Semaste | | | | | | | | | 130285101Semaste | | | | | | | | | 131344779Sdim | FreeBSD 3.5 | | | | | OpenBSD 2.7 | 132344779Sdim | | | | | | | | | 133353358Sdim | FreeBSD 3.5.1 | | | | | | | 134353358Sdim | | | | | | | | 135353358Sdim *---FreeBSD 4.1 | | | | | | | 136353358Sdim | | | | (?) | | | | 137353358Sdim | FreeBSD 4.1.1 | | / | | | | 138344779Sdim | | | | / | | | | 139344779Sdim | FreeBSD 4.2 Darwin/ | NetBSD 1.4.3 | | 140344779Sdim | | Mac OS X | OpenBSD 2.8 BSD/OS 4.2 141353358Sdim | | | | | | 142353358Sdim | | | | | | 143353358Sdim | | 10.0 NetBSD 1.5 | | 144353358Sdim | FreeBSD 4.3 | | | | | 145344779Sdim | | | | | OpenBSD 2.9 | 146344779Sdim | | | | NetBSD 1.5.1 | | 147314564Sdim | | | | | | | 148353358Sdim | FreeBSD 4.4-. | | NetBSD 1.5.2 | | 149353358Sdim | | | Mac OS X | | | | 150353358Sdim | | | 10.1 | | OpenBSD 3.0 | 151285101Semaste | FreeBSD 4.5 | | | | | | 152285101Semaste | | \ | | | | BSD/OS 4.3 153314564Sdim | FreeBSD 4.6 \ | | | OpenBSD 3.1 | 154353358Sdim | | \ | | NetBSD 1.5.3 | | 155353358Sdim | FreeBSD 4.6.2 Mac OS X | | | 156353358Sdim | | 10.2 | | | 157353358Sdim | FreeBSD 4.7 | | | | 158285101Semaste | | | NetBSD 1.6 OpenBSD 3.2 | 159285101Semaste | FreeBSD 4.8 | | | | | 160314564Sdim | | | | NetBSD 1.6.1 | | 161353358Sdim | |--------. | | | OpenBSD 3.3 BSD/OS 5.0 162353358Sdim | | \ | | | | | 163353358Sdim | FreeBSD 4.9 | | | | OpenBSD 3.4 BSD/OS 5.1 ISE 164285101Semaste | | | | | | | 165285101Semaste | | | | | NetBSD 1.6.2 | 166314564Sdim | | | | | | | 167353358Sdim | | | | | | OpenBSD 3.5 168353358Sdim | | | | | v | 169353358Sdim | FreeBSD 4.10 | | | | 170353358Sdim | | | | | | 171285101Semaste | FreeBSD 4.11 | | | | 172285101Semaste | | | | | | 173314564Sdim | v `-|------|-----------------|---------------------. 174353358Sdim | | | | \ 175353358SdimFreeBSD 5.0 | | | | 176353358Sdim | | | | | 177285101SemasteFreeBSD 5.1 | | | DragonFly 1.0 178285101Semaste | \ | | | | 179314564Sdim | ----- Mac OS X | | | 180353358Sdim | 10.3 | | | 181353358SdimFreeBSD 5.2 | | | | 182353358Sdim | | | | | | 183353358Sdim | FreeBSD 5.2.1 | | | | 184285101Semaste | | | | | 185285101Semaste *-------FreeBSD 5.3 | | | | 186314564Sdim | | | | OpenBSD 3.6 | 187353358Sdim | | | NetBSD 2.0 | | 188353358Sdim | | | | | | | DragonFly 1.2.0 189353358Sdim | | Mac OS X | | NetBSD 2.0.2 | | 190353358Sdim | | 10.4 | | | | | 191285101Semaste | FreeBSD 5.4 | | | | | | 192285101Semaste | | | | | | OpenBSD 3.7 | 193314564Sdim | | | | | NetBSD 2.0.3 | | 194314564Sdim | | | | | | | | 195353358Sdim *--FreeBSD | | | | v OpenBSD 3.8 | 196353358Sdim | 6.0 | | | | | | 197353358Sdim | | | | | \ | | 198353358Sdim | | | | | NetBSD 2.1 | | 199285101Semaste | | | | | | | 200285101Semaste | | | | NetBSD 3.0 | | 201314564Sdim | | | | | | | | DragonFly 1.4.0 202353358Sdim | | | | | | | OpenBSD 3.9 | 203353358Sdim | FreeBSD | | | | | | | 204353358Sdim | 6.1 | | | | | | | 205353358Sdim | | FreeBSD 5.5 | | | | | | 206285101Semaste | | | | | NetBSD 3.0.1 | DragonFly 1.6.0 207285101Semaste | | | | | | | | 208314564Sdim | | | | | | OpenBSD 4.0 | 209353358Sdim | | | | | NetBSD 3.0.2 | | 210353358Sdim | | | | NetBSD 3.1 | | 211353358Sdim | FreeBSD 6.2 | | | | 212353358Sdim | | | | | DragonFly 1.8.0 213285101Semaste | | | | OpenBSD 4.1 | 214285101Semaste | | | | | DragonFly 1.10.0 215314564Sdim | V | | | | 216353358SdimFreeBSD 7 -current | NetBSD -current OpenBSD -current | 217285101Semaste | | | | | 218285101Semaste v v v v v 219314564Sdim 220353358SdimTime 221285101Semaste---------------- 222285101Semaste 223353358SdimTime tolerance +/- 6 months, depending on which book/article you read; if it 224285101Semastewas the announcement in Usenet or if it was available as tape. 225353358Sdim 226285101Semaste[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 227314564Sdim and John Quarterman. The Design and Implementation of 228353358Sdim the 4.4BSD Operating System. 229285101Semaste[APL] Apple website [http://www.apple.com/macosx/] 230285101Semaste[BSDI] Berkeley Software Design, Inc. 231314564Sdim[DFB] DragonFlyBSD Project, The. 232353358Sdim[DOC] README, COPYRIGHT on tape. 233285101Semaste[FBD] FreeBSD Project, The. 234314564Sdim[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 235353358Sdim Volume 11, Info 4, April, 1987. 236285101Semaste[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 237353358Sdim comp.bugs.4bsd.ucb-fixes, June 15, 1988. 238353358Sdim[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 239353358Sdim Changes in the Kernel in 2.9BSD. Second Berkeley Software 240353358Sdim Distribution UNIX Version 2.9, July, 1983. 241353358Sdim[NBD] NetBSD Project, The. 242353358Sdim[OBD] OpenBSD Project, The. 243353358Sdim[QCU] Salus, Peter H. A quarter century of UNIX. 244353358Sdim[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 245353358Sdim[USE] Usenet announcement. 246353358Sdim[WRS] Wind River Systems, Inc. 247353358Sdim[dmr] Dennis Ritchie, via E-Mail 248353358Sdim 249353358SdimMultics 1965 250353358SdimUNIX Summer 1969 251353358Sdim DEC PDP-7 252353358SdimFirst Edition 1971-11-03 [QCU] 253353358Sdim DEC PDP-11/20, Assembler 254353358SdimSecond Edition 1972-06-12 [QCU] 255353358Sdim 10 UNIX installations 256353358SdimThird Edition 1973-02-xx [QCU] 257353358Sdim Pipes, 16 installations 258353358SdimFourth Edition 1973-11-xx [QCU] 259353358Sdim rewriting in C effected, 260353358Sdim above 30 installations 261353358SdimFifth Edition 1974-06-xx [QCU] 262353358Sdim above 50 installations 263353358SdimSixth Edition 1975-05-xx [QCU] 264353358Sdim port to DEC Vax 265353358SdimSeventh Edition 1979-01-xx [QCU] 266353358Sdim first portable UNIX 267353358SdimEighth Edition 1985-02-xx [QCU] 268353358Sdim VAX 11/750, VAX 11/780 [dmr] 269353358Sdim descended from 4.1c BSD [dmr] 270353358Sdim descended from 4.1 BSD [44B] 271353358Sdim scooping-out and replacement of the character-device 272353358Sdim and networking part by the streams mechanism 273353358Sdim 274353358SdimNinth Edition 1986-09-xx [QCU] 275353358SdimTenth Edition 1989-10-xx [QCU] 276353358Sdim 2771BSD late 1977 278 1978-03-09 [QCU] 279 PDP-11, Pascal, ex(1) 280 30 free copies of 1BSD sent out 281 35 tapes sold for 50 USD [QCU] 2822BSD mid 1978 [QCU] 283 75 2BSD tapes shipped 2842.7.9BSD ?? [SMS] 2852.8BSD 1981-07-xx [KSJ] 286 2872.8.1BSD 1982-01-xx [QCU] 288 set of performance improvements 2892.9BSD 1983-07-xx [KSJ] 2902.9.1BSD 1983-11-xx 2912.9BSD-Seismo 1985-08-xx [SMS] 2922.10BSD 1987-04-xx [KKK] 2932.10.1BSD 1989-01-xx [SMS] 2942.11BSD 1992-02-xx [SMS] 2952.11BSD rev #430 1999-12-13 [SMS] 296 29732V 1978-1[01]-xx [QCU] 2983BSD late 1979 [QCU] 299 virtual memory, page replacement, 300 demand paging 3014.0BSD 1980-10-xx 3024.1BSD 1981-07-08 [DOC] 3034.1aBSD 1982-04-xx 304 alpha release, 100 sites, networking [44B] 3054.1bBSD internal release, fast filesystem [44B] 3064.1cBSD late 1982 307 beta release, IPC [44B] 3084.2BSD 1983-09-xx [QCU] 309 1983-08-03 [DOC] 3104.3BSD 1986-06-xx [QCU] 311 1986-04-05 [KB], [DOC] 3124.3BSD Tahoe 1988-06-15 [QCU], [DOC] 3134.3BSD NET/1 1988-11-xx [QCU] 314 1989-01-01 [DOC] 3154.3BSD Reno 1990-06-29 [QCU], [DOC] 3164.3BSD NET/2 1991-06-28 [QCU], [DOC] 317 318BSD/386 ALPHA 1991-12-xx [BSDI] 319 first code released to people outside BSDI 320386BSD 0.0 1992-02-xx [DOC] 321BSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 322BSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 323386BSD 0.1 1992-07-28 [DOC] 3244.4BSD Alpha 1992-07-07 325BSD/386 0.9.3 1992-10-xx [BSDI] 326 first external gamma; G customers 327BSD/386 0.9.4 1992-12-xx [BSDI] 328 would have been 1.0 except for request 329 for preliminary injunction 330BSD/386 1.0 1993-03-xx [BSDI] 331 injunction denied; first official release 332NetBSD 0.8 1993-04-20 [NBD] 3334.4BSD 1993-06-01 [USE] 334NetBSD 0.9 1993-08-23 [NBD] 335FreeBSD 1.0 1993-11-01 [FBD] 336FreeBSD 1.0.2 1993-11-14 [FBD] 337 supersedes 1.0 13 days after release. 338BSD/386 1.1 1994-02-xx [BSDI] 3394.4BSD Lite 1994-03-01 [USE] 340FreeBSD 1.1 1994-05-07 [FBD] 341FreeBSD 1.1.5 1994-06-30 [FBD] 342FreeBSD 1.1.5.1 1994-07-05 [FBD] 343 supersedes 1.1.5 5 days after release. 344NetBSD 1.0 1994-10-26 [NBD] 345386BSD 1.0 1994-11-12 [USE] 346FreeBSD 2.0 1994-11-23 [FBD] 347BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 348FreeBSD 2.0.5 1995-06-10 [FBD] 349BSD/OS 2.0.1 1995-06-xx [BSDI] 3504.4BSD Lite Release 2 1995-06-xx [44B] 351 the true final distribution from the CSRG 352FreeBSD 2.1.0 1995-11-19 [FBD] 353NetBSD 1.1 1995-11-26 [NBD] 354BSD/OS 2.1 1996-01-xx [BSDI] 355FreeBSD 2.1.5 1996-07-14 [FBD] 356NetBSD 1.2 1996-10-04 [NBD] 357OpenBSD 2.0 1996-10-18 [OBD] 358FreeBSD 2.1.6 1996-11-16 [FBD] 359FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 360Rhapsody 1997-xx-xx 361FreeBSD 2.1.7 1997-02-20 [FBD] 362BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 363FreeBSD 2.2.0 1997-03-16 [FBD] 364FreeBSD 2.2.1 1997-03-25 [FBD] 365FreeBSD 2.2.2 1997-05-16 [FBD] 366NetBSD 1.2.1 1997-05-20 [NBD] (patch release) 367OpenBSD 2.1 1997-06-01 [OBD] 368FreeBSD 2.2.5 1997-10-22 [FBD] 369OpenBSD 2.2 1997-12-01 [OBD] 370NetBSD 1.3 1998-01-04 [NBD] 371FreeBSD 2.2.6 1998-03-25 [FBD] 372NetBSD 1.3.1 1998-03-09 [NBD] (patch release) 373BSD/OS 3.1 1998-03-xx [BSDI] 374OpenBSD 2.3 1998-05-19 [OBD] 375NetBSD 1.3.2 1998-05-29 [NBD] (patch release) 376FreeBSD 2.2.7 1998-07-22 [FBD] 377BSD/OS 4.0 1998-08-xx [BSDI] 378 2-lock MP support, ELF executables 379FreeBSD 3.0 1998-10-16 [FBD] 380 FreeBSD-3.0 is a snapshot from -current, 381 while 3.1 and 3.2 are from 3.x-stable which 382 was branched quite some time after 3.0-release 383FreeBSD 2.2.8 1998-11-29 [FBD] 384OpenBSD 2.4 1998-12-01 [OBD] 385NetBSD 1.3.3 1998-12-23 [NBD] (patch release) 386FreeBSD 3.1 1999-02-15 [FBD] 387BSD/OS 4.0.1 1999-03-xx [BSDI] 388NetBSD 1.4 1999-05-12 [NBD] 389FreeBSD 3.2 1999-05-17 [FBD] 390OpenBSD 2.5 1999-05-19 [OBD] 391NetBSD 1.4.1 1999-08-26 [NBD] (patch release) 392FreeBSD 3.3 1999-09-17 [FBD] 393OpenBSD 2.6 1999-12-01 [OBD] 394FreeBSD 3.4 1999-12-20 [FBD] 395BSD/OS 4.1 1999-12-xx [BSDI] 396FreeBSD 4.0 2000-03-13 [FBD] 397NetBSD 1.4.2 2000-03-19 [NBD] (patch release) 398OpenBSD 2.7 2000-06-15 [OBD] 399FreeBSD 3.5 2000-06-24 [FBD] 400FreeBSD 4.1 2000-07-27 [FBD] 401FreeBSD 3.5.1 2000-07-28 [FBD] 402FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 403FreeBSD 4.2 2000-11-21 [FBD] 404NetBSD 1.4.3 2000-11-25 [NBD] (patch release) 405BSD/OS 4.2 2000-11-29 [BSDI] 406OpenBSD 2.8 2000-12-01 [OBD] 407NetBSD 1.5 2000-12-06 [NBD] 408Mac OS X 10.0 2001-03-24 [APL] 409FreeBSD 4.3 2001-04-20 [FBD] 410OpenBSD 2.9 2001-06-01 [OBD] 411NetBSD 1.5.1 2001-07-11 [NBD] (patch release) 412NetBSD 1.5.2 2001-09-13 [NBD] (patch release) 413FreeBSD 4.4 2001-09-18 [FBD] 414Mac OS X 10.1 2001-09-29 [APL] 415OpenBSD 3.0 2001-12-01 [OBD] 416FreeBSD 4.5 2002-01-29 [FBD] 417BSD/OS 4.3 2002-03-14 [WRS] 418OpenBSD 3.1 2002-05-19 [OBD] 419FreeBSD 4.6 2002-06-15 [FBD] 420NetBSD 1.5.3 2002-07-22 [NBD] (patch release) 421FreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 422Mac OS X 10.2 2002-08-23 [APL] 423NetBSD 1.6 2002-09-14 [NBD] 424FreeBSD 4.7 2002-10-08 [FBD] 425OpenBSD 3.2 2002-11-01 [OBD] 426FreeBSD 5.0 2003-01-17 [FBD] 427 FreeBSD 5.0 is a separate branch off of 428 -current, similar to 3.0. 429FreeBSD 4.8 2003-04-03 [FBD] 430NetBSD 1.6.1 2003-04-21 [NBD] (patch release) 431OpenBSD 3.3 2003-05-01 [OBD] 432BSD/OS 5.0 2003-05-?? [WRS] 433FreeBSD 5.1 2003-06-09 [FBD] 434Mac OS X 10.3 2003-10-24 [APL] 435FreeBSD 4.9 2003-10-28 [FBD] 436BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 437OpenBSD 3.4 2003-11-01 [OBD] 438FreeBSD 5.2 2004-01-12 [FBD] 439FreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 440NetBSD 1.6.2 2004-03-01 [NBD] (patch release) 441OpenBSD 3.5 2004-04-01 [OBD] 442FreeBSD 4.10 2004-05-27 [FBD] 443DragonFly 1.0 2004-07-12 [DFB] 444OpenBSD 3.6 2004-10-29 [OBD] 445FreeBSD 5.3 2004-11-06 [FBD] 446NetBSD 2.0 2004-12-09 [NBD] 447FreeBSD 4.11 2005-01-25 [FBD] 448DragonFly 1.2.0 2005-04-08 [DFB] 449NetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 450Mac OS X 10.4 2005-04-29 [APL] 451FreeBSD 5.4 2005-05-09 [FBD] 452OpenBSD 3.7 2005-05-19 [OBD] 453NetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 454OpenBSD 3.8 2005-11-01 [OBD] 455FreeBSD 6.0 2005-11-01 [FBD] 456NetBSD 2.1 2005-11-02 [NBD] 457NetBSD 3.0 2005-12-23 [NBD] 458DragonFly 1.4.0 2006-01-08 [DFB] 459OpenBSD 3.9 2006-05-01 [OBD] 460FreeBSD 6.1 2006-05-08 [FBD] 461FreeBSD 5.5 2006-05-25 [FBD] 462NetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 463DragonFly 1.6.0 2006-07-24 [DFB] 464OpenBSD 4.0 2006-11-01 [OBD] 465NetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 466NetBSD 3.1 2006-11-04 [NBD] 467FreeBSD 6.2 2007-01-15 [FBD] 468DragonFly 1.8.0 2007-01-30 [DFB] 469OpenBSD 4.1 2007-05-01 [OBD] 470DragonFly 1.10.0 2007-08-06 [DFB] 471 472Bibliography 473------------------------ 474 475Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 476Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating 477System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 478 479Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 480Company, Inc., 1994. ISBN 0-201-54777-5 481 482McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 483Quarterman. The Design and Implementation of the 4.4BSD Operating 484System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 485 486McKusick, Marshall Kirk, George Neville-Neil. The Design and 487Implementation of the FreeBSD Operating System. 488Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 489 490Doug McIlroy. Research Unix Reader. 491 492Michael G. Brown. The Role of BSD in the Development of Unix. 493Presented to the Tasmanian Unix Special Interest Group of the 494Australian Computer Society, Hobart, August 1993. 495 496Peter H. Salus. Unix at 25. Byte Magazine, October 1994. 497URL: http://www.byte.com/art/9410/sec8/art3.htm 498 499Andreas Klemm, Lars K�ller. If you're going to San Francisco ... 500Die freien BSD-Varianten von Unix. c't April 1997, page 368ff. 501 502BSD Release Announcements collection. 503URL: http://www.de.FreeBSD.org/de/ftp/releases/ 504 505BSD Hypertext Man Pages 506URL: http://www.FreeBSD.org/cgi/man.cgi 507 508UNIX history graphing project 509URL: http://minnie.tuhs.org/Unix_History/index.html 510 511UNIX history 512URL: http://www.levenez.com/unix/ 513 514James Howard: The BSD Family Tree 515URL: http://ezine.daemonnews.org/200104/bsd_family.html 516("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 517 518 519Acknowledgments 520--------------- 521 522Josh Gilliam for suggestions, bug fixes, and finding very old 523original BSD announcements from Usenet or tapes. 524 525Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 526 527-- 528Copyright (c) 1997-2007 Wolfram Schneider <wosch@FreeBSD.ORG> 529URL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree 530 531$FreeBSD: head/share/misc/bsd-family-tree 171777 2007-08-07 15:34:24Z maxim $ 532