bsd-family-tree revision 1.43
11.6SitojunThe UNIX system family tree: Research and BSD 21.6Sitojun--------------------------------------------- 31.1Sabs 41.1SabsFirst Edition (V1) 51.1Sabs | 61.1SabsSecond Edition (V2) 71.1Sabs | 81.1SabsThird Edition (V3) 91.1Sabs | 101.1SabsFourth Edition (V4) 111.1Sabs | 121.1SabsFifth Edition (V5) 131.1Sabs | 141.1SabsSixth Edition (V6) -----* 151.1Sabs \ | 161.1Sabs \ | 171.1Sabs \ | 181.1SabsSeventh Edition (V7) | 191.1Sabs \ | 201.1Sabs \ 1BSD 211.1Sabs 32V | 221.1Sabs \ 2BSD---------------* 231.1Sabs \ / | 241.1Sabs \ / | 251.1Sabs \/ | 261.1Sabs 3BSD | 271.1Sabs | | 281.43Shubertf 4.0BSD 2.79BSD 291.1Sabs | | 301.6Sitojun 4.1BSD --------------> 2.8BSD 311.6Sitojun | | 321.6Sitojun 4.1aBSD -----------\ | 331.6Sitojun | \ | 341.6Sitojun 4.1bBSD \ | 351.6Sitojun | \ | 361.6Sitojun *------ 4.1cBSD --------------> 2.9BSD 371.6Sitojun / | | 381.6SitojunEighth Edition | 2.9BSD-Seismo 391.1Sabs | | | 401.1Sabs +----<--- 4.2BSD 2.9.1BSD 411.1Sabs | | | 421.1Sabs +----<--- 4.3BSD -------------> 2.10BSD 431.1Sabs | | / | 441.1SabsNinth Edition | / 2.10.1BSD 451.1Sabs | 4.3BSD Tahoe-----+ | 461.1Sabs | | \ | 471.1Sabs | | \ | 481.1Sabs v | 2.11BSD 491.1SabsTenth Edition | | 501.6Sitojun | 2.11BSD rev #430 511.1Sabs 4.3BSD NET/1 | 521.1Sabs | v 531.1Sabs 4.3BSD Reno 541.1Sabs | 551.1Sabs *---------- 4.3BSD NET/2 -------------------+-------------* 561.1Sabs | | | | 571.7Sitojun386BSD 0.0 | | BSD/386 ALPHA 581.1Sabs | | | | 591.7Sitojun386BSD 0.1 ------------>+ | BSD/386 0.3.[13] 601.1Sabs | \ | 4.4BSD Alpha | 611.7Sitojun | 386BSD 1.0 | | BSD/386 0.9.[34] 621.1Sabs | | 4.4BSD | 631.1Sabs | | / | | 641.1Sabs | | 4.4BSD-Encumbered | | 651.43Shubertf | NetBSD 0.8 | BSD/386 1.0 661.43Shubertf | | | | 671.43ShubertfFreeBSD 1.0 NetBSD 0.9 | BSD/386 1.1 681.7Sitojun | | .----- 4.4BSD Lite | 691.7SitojunFreeBSD 1.1 | / / | \ | 701.7Sitojun | | / / | \ | 711.7SitojunFreeBSD 1.1.5 .---|--------' / | \ | 721.7Sitojun | / | / | \ | 731.7SitojunFreeBSD 1.1.5.1 / | / | \ | 741.7Sitojun | / NetBSD 1.0 <-' | \ | 751.7Sitojun | / | | \ | 761.7SitojunFreeBSD 2.0 <--' | | BSD/OS 2.0 771.7Sitojun | \ | | 781.7SitojunFreeBSD 2.0.5 \ | BSD/OS 2.0.1 791.11Sitojun | .-----\------------- 4.4BSD Lite2 | 801.11Sitojun | | \ | | | | | 811.11Sitojun | | .-----|------Rhapsody | | | | 821.11Sitojun | | | | NetBSD 1.3 | | | 831.11Sitojun | | | | OpenBSD 2.3 | | 841.11Sitojun | | | | BSD/OS 3.0 | 851.11SitojunFreeBSD 2.1 | | | | 861.11Sitojun | | | | NetBSD 1.1 ------. BSD/OS 2.1 871.11Sitojun | FreeBSD 2.1.5 | | | \ | 881.11Sitojun | | | | NetBSD 1.2 \ BSD/OS 3.0 891.11Sitojun | FreeBSD 2.1.6 | | | \ OpenBSD 2.0 | 901.11Sitojun | | | | | \ | | 911.11Sitojun | FreeBSD 2.1.6.1 | | | \ | | 921.11Sitojun | | | | | \ | | 931.11Sitojun | FreeBSD 2.1.7 | | | | | | 941.11Sitojun | | | | | NetBSD 1.2.1 | | 951.11Sitojun | FreeBSD 2.1.7.1 | | | | | 961.11Sitojun | | | | | | 971.11Sitojun | | | | | | 981.11Sitojun *-FreeBSD 2.2 | | | | | 991.11Sitojun | \ | | | | | 1001.11Sitojun | FreeBSD 2.2.1 | | | | | 1011.11Sitojun | | | | | | | 1021.11Sitojun | FreeBSD 2.2.2 | | | OpenBSD 2.1 | 1031.11Sitojun | | | | | | | 1041.11Sitojun | FreeBSD 2.2.5 | | | | | 1051.11Sitojun | | | | | OpenBSD 2.2 | 1061.11Sitojun | | | | NetBSD 1.3 | | 1071.11Sitojun | FreeBSD 2.2.6 | | | | | | 1081.11Sitojun | | | | | NetBSD 1.3.1 | BSD/OS 3.1 1091.11Sitojun | | | | | | OpenBSD 2.3 | 1101.11Sitojun | | | | | NetBSD 1.3.2 | | 1111.11Sitojun | FreeBSD 2.2.7 | | | | | | 1121.11Sitojun | | | | | | | BSD/OS 4.0 1131.11Sitojun | v | | | | | | 1141.11Sitojun | FreeBSD 2.2.8 | | | | | | 1151.11Sitojun | | | | | OpenBSD 2.4 | 1161.11SitojunFreeBSD 3.0 <--------* | | v | | 1171.11Sitojun | | | NetBSD 1.3.3 | | 1181.11Sitojun *---FreeBSD 3.1 | | | | 1191.11Sitojun | | | | | BSD/OS 4.0.1 1201.11Sitojun | FreeBSD 3.2----* | NetBSD 1.4 OpenBSD 2.5 | 1211.11Sitojun | | | | | | | | | 1221.11Sitojun | | | | | | | | | 1231.11Sitojun | | | | | | | | | 1241.11Sitojun | FreeBSD 3.3 | | | | NetBSD 1.4.1 | | 1251.11Sitojun | | | | | | | OpenBSD 2.6 | 1261.11Sitojun | FreeBSD 3.4 | | | | | | | 1271.11Sitojun | | | | | | | | BSD/OS 4.1 1281.11SitojunFreeBSD 4.0 | | | | | NetBSD 1.4.2 | | 1291.11Sitojun | | | | | | | | | 1301.11Sitojun | | | | | | | | | 1311.11Sitojun | FreeBSD 3.5 | | | | | OpenBSD 2.7 | 1321.11Sitojun | | | | | | | | | 1331.11Sitojun | FreeBSD 3.5.1 | | | | | | | 1341.11Sitojun | | | | | | | | 1351.11Sitojun *---FreeBSD 4.1 | | | | | | | 1361.11Sitojun | | | | (?) | | | | 1371.11Sitojun | FreeBSD 4.1.1 | | / | | | | 1381.16Sjunyoung | | | | / | | | | 1391.11Sitojun | FreeBSD 4.2 Darwin/ | NetBSD 1.4.3 | | 1401.25Ssoda | | Mac OS X | OpenBSD 2.8 BSD/OS 4.2 1411.25Ssoda | | | | | | 1421.13Sjunyoung | | | | | | 1431.11Sitojun | | 10.0 NetBSD 1.5 | | 1441.17Sjunyoung | FreeBSD 4.3 | | | | | 1451.17Sjunyoung | | | | | OpenBSD 2.9 | 1461.17Sjunyoung | | | | NetBSD 1.5.1 | | 1471.17Sjunyoung | | | | | | | 1481.17Sjunyoung | FreeBSD 4.4-. | | NetBSD 1.5.2 | | 1491.17Sjunyoung | | | Mac OS X | | | | 1501.17Sjunyoung | | | 10.1 | | OpenBSD 3.0 | 1511.17Sjunyoung | FreeBSD 4.5 | | | | | | 1521.17Sjunyoung | | \ | | | | BSD/OS 4.3 1531.17Sjunyoung | FreeBSD 4.6 \ | | | OpenBSD 3.1 | 1541.43Shubertf | | \ | | NetBSD 1.5.3 | | 1551.25Ssoda | FreeBSD 4.6.2 Mac OS X | | | 1561.25Ssoda | | 10.2 | | | 1571.21Scjep | FreeBSD 4.7 | | | | 1581.21Scjep | | | NetBSD 1.6 OpenBSD 3.2 | 1591.21Scjep | FreeBSD 4.8 | | | | | 1601.21Scjep | | | | NetBSD 1.6.1 | | 1611.23Speter | |--------. | | | OpenBSD 3.3 BSD/OS 5.0 1621.23Speter | | \ | | | | | 1631.23Speter | FreeBSD 4.9 | | | | OpenBSD 3.4 BSD/OS 5.1 ISE 1641.23Speter | | | | | | | 1651.23Speter | | | | | NetBSD 1.6.2 | 1661.23Speter | | | | | | | 1671.23Speter | | | | | | OpenBSD 3.5 1681.23Speter | | | | | v | 1691.23Speter | FreeBSD 4.10 | | | | 1701.23Speter | | | | | | 1711.23Speter | FreeBSD 4.11 | | | | 1721.42Shubertf | | | | | 1731.42Shubertf | `-|------|-----------------|---------------------. 1741.23Speter | | | | \ 1751.23SpeterFreeBSD 5.0 | | | | 1761.23Speter | | | | | 1771.40SxtraemeFreeBSD 5.1 | | | DragonFly 1.0 1781.23Speter | \ | | | | 1791.23Speter | ----- Mac OS X | | | 1801.23Speter | 10.3 | | | 1811.23SpeterFreeBSD 5.2 | | | | 1821.23Speter | | | | | | 1831.23Speter | FreeBSD 5.2.1 | | | | 1841.23Speter | | | | | 1851.35Srpaulo *-------FreeBSD 5.3 | | | | 1861.35Srpaulo | | | | OpenBSD 3.6 | 1871.35Srpaulo | | | NetBSD 2.0 | | 1881.40Sxtraeme | | | | | | | DragonFly 1.2.0 1891.35Srpaulo | | Mac OS X | | NetBSD 2.0.2 | | 1901.35Srpaulo | | 10.4 | | | | | 1911.35Srpaulo | FreeBSD 5.4 | | | | | | 1921.35Srpaulo | | | | | | OpenBSD 3.7 | 1931.35Srpaulo | | | | | NetBSD 2.0.3 | | 1941.35Srpaulo | | | | | | | | 1951.35Srpaulo *--FreeBSD | | | | v OpenBSD 3.8 | 1961.35Srpaulo | 6.0 | | | | | | 1971.35Srpaulo | | | | | \ | | 1981.35Srpaulo | | | | | NetBSD 2.1 | | 1991.35Srpaulo | | | | | | | 2001.35Srpaulo | | | | NetBSD 3.0 | | 2011.40Sxtraeme | | | | | | | | DragonFly 1.4.0 2021.38Srpaulo | | | | | | | OpenBSD 3.9 | 2031.38Srpaulo | FreeBSD | | | | | | | 2041.38Srpaulo | 6.1 | | | | | | | 2051.38Srpaulo | | FreeBSD 5.5 | | | | | | 2061.40Sxtraeme | | | | | NetBSD 3.0.1 | DragonFly 1.6.0 2071.38Srpaulo | | | | | | | | 2081.39Srpaulo | | | | | | OpenBSD 4.0 | 2091.39Srpaulo | | | | | NetBSD 3.0.2 | | 2101.39Srpaulo | | | | NetBSD 3.1 | | 2111.39Srpaulo | FreeBSD 6.2 | | | | 2121.40Sxtraeme | | | | | DragonFly 1.8.0 2131.40Sxtraeme | | | | OpenBSD 4.1 | 2141.40Sxtraeme | | | | | DragonFly 1.10.0 2151.42Shubertf | | Mac OS X | | | 2161.42Shubertf | | 10.5 | | | 2171.40Sxtraeme | | | | OpenBSD 4.2 | 2181.42Shubertf | | | NetBSD 4.0 | | 2191.42Shubertf | FreeBSD 6.3 | | | | 2201.42Shubertf | \ | | | | 2211.42Shubertf *--FreeBSD | | | | DragonFly 1.12.0 2221.42Shubertf | 7.0 | | | | | 2231.42Shubertf | | | | | OpenBSD 4.3 | 2241.42Shubertf | | | | | | DragonFly 2.0.0 2251.42Shubertf | | FreeBSD | | OpenBSD 4.4 | 2261.42Shubertf | | 6.4 | | | | 2271.42Shubertf | | | | | | 2281.42Shubertf | FreeBSD 7.1 | | | | 2291.43Shubertf | | | | | DragonFly 2.2.0 2301.43Shubertf | FreeBSD 7.2 | NetBSD 5.0 OpenBSD 4.5 | 2311.43Shubertf | \ | | | | | 2321.43Shubertf | | Mac OS X | | | | 2331.43Shubertf | | 10.6 | | | | 2341.43Shubertf | | | | | | DragonFly 2.4.0 2351.43Shubertf | | | | | OpenBSD 4.6 | 2361.43Shubertf | | | | | | | 2371.43Shubertf *--FreeBSD | | | | | | 2381.43Shubertf | 8.0 | | | | | | 2391.43Shubertf | | FreeBSD | | | | | 2401.43Shubertf | | 7.3 | | | | DragonFly 2.6.0 2411.43Shubertf | | | | | | OpenBSD 4.7 | 2421.43Shubertf | FreeBSD | | | | | | 2431.43Shubertf | 8.1 | | | | | | 2441.43Shubertf | | | | | | | DragonFly 2.8.2 2451.43Shubertf | | | | | | OpenBSD 4.8 | 2461.43Shubertf | | | | | NetBSD 5.1 | | 2471.43Shubertf | FreeBSD FreeBSD | | | | 2481.43Shubertf | 8.2 7.4 | | | DragonFly 2.10.1 2491.43Shubertf | v | | OpenBSD 4.9 | 2501.43Shubertf | Mac OS X | | | 2511.43Shubertf | 10.7 | | | 2521.43Shubertf | | | OpenBSD 5.0 | 2531.43Shubertf +--FreeBSD | | | | 2541.43Shubertf | 9.0 | | | | 2551.43Shubertf | v | | | | 2561.42Shubertf | | | | | 2571.43ShubertfFreeBSD 10 -current | NetBSD -current OpenBSD -current | 2581.23Speter | | | | | 2591.23Speter v v v v v 2601.1Sabs 2611.1SabsTime 2621.1Sabs---------------- 2631.1Sabs 2641.7SitojunTime tolerance +/- 6 months, depending on which book/article you read; if it 2651.7Sitojunwas the announcement in Usenet or if it was available as tape. 2661.1Sabs 2671.1Sabs[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, 2681.1Sabs and John Quarterman. The Design and Implementation of 2691.1Sabs the 4.4BSD Operating System. 2701.11Sitojun[APL] Apple website [http://www.apple.com/macosx/] 2711.17Sjunyoung[BSDI] Berkeley Software Design, Inc. 2721.24Ssoda[DFB] DragonFlyBSD Project, The. 2731.1Sabs[DOC] README, COPYRIGHT on tape. 2741.17Sjunyoung[FBD] FreeBSD Project, The. 2751.1Sabs[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources, 2761.1Sabs Volume 11, Info 4, April, 1987. 2771.1Sabs[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement. 2781.1Sabs comp.bugs.4bsd.ucb-fixes, June 15, 1988. 2791.17Sjunyoung[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz. 2801.17Sjunyoung Changes in the Kernel in 2.9BSD. Second Berkeley Software 2811.17Sjunyoung Distribution UNIX Version 2.9, July, 1983. 2821.1Sabs[NBD] NetBSD Project, The. 2831.1Sabs[OBD] OpenBSD Project, The. 2841.17Sjunyoung[QCU] Salus, Peter H. A quarter century of UNIX. 2851.17Sjunyoung[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11. 2861.43Shubertf[TUHS] The Unix Historical Society. http://minnie.tuhs.org/Unix_History/. 2871.17Sjunyoung[USE] Usenet announcement. 2881.17Sjunyoung[WRS] Wind River Systems, Inc. 2891.1Sabs[dmr] Dennis Ritchie, via E-Mail 2901.1Sabs 2911.1SabsMultics 1965 2921.6SitojunUNIX Summer 1969 2931.1Sabs DEC PDP-7 2941.1SabsFirst Edition 1971-11-03 [QCU] 2951.1Sabs DEC PDP-11/20, Assembler 2961.1SabsSecond Edition 1972-06-12 [QCU] 2971.6Sitojun 10 UNIX installations 2981.1SabsThird Edition 1973-02-xx [QCU] 2991.1Sabs Pipes, 16 installations 3001.1SabsFourth Edition 1973-11-xx [QCU] 3011.1Sabs rewriting in C effected, 3021.1Sabs above 30 installations 3031.1SabsFifth Edition 1974-06-xx [QCU] 3041.1Sabs above 50 installations 3051.1SabsSixth Edition 1975-05-xx [QCU] 3061.1Sabs port to DEC Vax 3071.1SabsSeventh Edition 1979-01-xx [QCU] 3081.6Sitojun first portable UNIX 3091.6SitojunEighth Edition 1985-02-xx [QCU] 3101.1Sabs VAX 11/750, VAX 11/780 [dmr] 3111.1Sabs descended from 4.1c BSD [dmr] 3121.1Sabs descended from 4.1 BSD [44B] 3131.7Sitojun scooping-out and replacement of the character-device 3141.1Sabs and networking part by the streams mechanism 3151.1Sabs 3161.1SabsNinth Edition 1986-09-xx [QCU] 3171.1SabsTenth Edition 1989-10-xx [QCU] 3181.1Sabs 3191.1Sabs1BSD late 1977 3201.1Sabs 1978-03-09 [QCU] 3211.1Sabs PDP-11, Pascal, ex(1) 3221.1Sabs 30 free copies of 1BSD sent out 3231.1Sabs 35 tapes sold for 50 USD [QCU] 3241.43Shubertf2BSD mid 1978 [QCU] 1979-05-10 [TUHS] 3251.1Sabs 75 2BSD tapes shipped 3261.43Shubertf2.79BSD 1980-04-xx [TUHS] 3271.1Sabs2.8BSD 1981-07-xx [KSJ] 3281.1Sabs 3291.1Sabs2.8.1BSD 1982-01-xx [QCU] 3301.1Sabs set of performance improvements 3311.1Sabs2.9BSD 1983-07-xx [KSJ] 3321.43Shubertf2.9.1BSD 1983-11-xx [TUHS] 3331.1Sabs2.9BSD-Seismo 1985-08-xx [SMS] 3341.1Sabs2.10BSD 1987-04-xx [KKK] 3351.1Sabs2.10.1BSD 1989-01-xx [SMS] 3361.1Sabs2.11BSD 1992-02-xx [SMS] 3371.6Sitojun2.11BSD rev #430 1999-12-13 [SMS] 3381.1Sabs 3391.1Sabs32V 1978-1[01]-xx [QCU] 3401.43Shubertf3BSD late 1979 [QCU] March 1980 [TUHS] 3411.1Sabs virtual memory, page replacement, 3421.1Sabs demand paging 3431.1Sabs4.0BSD 1980-10-xx 3441.13Sjunyoung4.1BSD 1981-07-08 [DOC] 3451.1Sabs4.1aBSD 1982-04-xx 3461.1Sabs alpha release, 100 sites, networking [44B] 3471.1Sabs4.1bBSD internal release, fast filesystem [44B] 3481.1Sabs4.1cBSD late 1982 3491.1Sabs beta release, IPC [44B] 3501.1Sabs4.2BSD 1983-09-xx [QCU] 3511.13Sjunyoung 1983-08-03 [DOC] 3521.1Sabs4.3BSD 1986-06-xx [QCU] 3531.13Sjunyoung 1986-04-05 [KB], [DOC] 3541.13Sjunyoung4.3BSD Tahoe 1988-06-15 [QCU], [DOC] 3551.1Sabs4.3BSD NET/1 1988-11-xx [QCU] 3561.13Sjunyoung 1989-01-01 [DOC] 3571.13Sjunyoung4.3BSD Reno 1990-06-29 [QCU], [DOC] 3581.13Sjunyoung4.3BSD NET/2 1991-06-28 [QCU], [DOC] 3591.7Sitojun 3601.7SitojunBSD/386 ALPHA 1991-12-xx [BSDI] 3611.7Sitojun first code released to people outside BSDI 3621.1Sabs386BSD 0.0 1992-02-xx [DOC] 3631.7SitojunBSD/386 0.3.1 1992-04-xx [BSDI] first ext. beta; B customers 3641.7SitojunBSD/386 0.3.3 1992-06-xx [BSDI] first CDROM version 3651.7Sitojun386BSD 0.1 1992-07-28 [DOC] 3661.1Sabs4.4BSD Alpha 1992-07-07 3671.7SitojunBSD/386 0.9.3 1992-10-xx [BSDI] 3681.7Sitojun first external gamma; G customers 3691.7SitojunBSD/386 0.9.4 1992-12-xx [BSDI] 3701.7Sitojun would have been 1.0 except for request 3711.7Sitojun for preliminary injunction 3721.7SitojunBSD/386 1.0 1993-03-xx [BSDI] 3731.7Sitojun injunction denied; first official release 3741.6SitojunNetBSD 0.8 1993-04-20 [NBD] 3751.1Sabs4.4BSD 1993-06-01 [USE] 3761.1SabsNetBSD 0.9 1993-08-23 [NBD] 3771.8SitojunFreeBSD 1.0 1993-11-01 [FBD] 3781.40SxtraemeFreeBSD 1.0.2 1993-11-14 [FBD] 3791.40Sxtraeme supersedes 1.0 13 days after release. 3801.7SitojunBSD/386 1.1 1994-02-xx [BSDI] 3811.1Sabs4.4BSD Lite 1994-03-01 [USE] 3821.24SsodaFreeBSD 1.1 1994-05-07 [FBD] 3831.24SsodaFreeBSD 1.1.5 1994-06-30 [FBD] 3841.24SsodaFreeBSD 1.1.5.1 1994-07-05 [FBD] 3851.24Ssoda supersedes 1.1.5 5 days after release. 3861.6SitojunNetBSD 1.0 1994-10-26 [NBD] 3871.1Sabs386BSD 1.0 1994-11-12 [USE] 3881.24SsodaFreeBSD 2.0 1994-11-23 [FBD] 3891.7SitojunBSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based 3901.7SitojunFreeBSD 2.0.5 1995-06-10 [FBD] 3911.7SitojunBSD/OS 2.0.1 1995-06-xx [BSDI] 3921.6Sitojun4.4BSD Lite Release 2 1995-06-xx [44B] 3931.6Sitojun the true final distribution from the CSRG 3941.7SitojunFreeBSD 2.1.0 1995-11-19 [FBD] 3951.1SabsNetBSD 1.1 1995-11-26 [NBD] 3961.7SitojunBSD/OS 2.1 1996-01-xx [BSDI] 3971.7SitojunFreeBSD 2.1.5 1996-07-14 [FBD] 3981.1SabsNetBSD 1.2 1996-10-04 [NBD] 3991.1SabsOpenBSD 2.0 1996-10-18 [OBD] 4001.7SitojunFreeBSD 2.1.6 1996-11-16 [FBD] 4011.7SitojunFreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release) 4021.11SitojunRhapsody 1997-xx-xx 4031.7SitojunFreeBSD 2.1.7 1997-02-20 [FBD] 4041.7SitojunBSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based 4051.7SitojunFreeBSD 2.2.0 1997-03-16 [FBD] 4061.7SitojunFreeBSD 2.2.1 1997-03-25 [FBD] 4071.7SitojunFreeBSD 2.2.2 1997-05-16 [FBD] 4081.6SitojunNetBSD 1.2.1 1997-05-20 [NBD] (patch release) 4091.1SabsOpenBSD 2.1 1997-06-01 [OBD] 4101.7SitojunFreeBSD 2.2.5 1997-10-22 [FBD] 4111.1SabsOpenBSD 2.2 1997-12-01 [OBD] 4121.5SabsNetBSD 1.3 1998-01-04 [NBD] 4131.7SitojunFreeBSD 2.2.6 1998-03-25 [FBD] 4141.6SitojunNetBSD 1.3.1 1998-03-09 [NBD] (patch release) 4151.7SitojunBSD/OS 3.1 1998-03-xx [BSDI] 4161.1SabsOpenBSD 2.3 1998-05-19 [OBD] 4171.6SitojunNetBSD 1.3.2 1998-05-29 [NBD] (patch release) 4181.7SitojunFreeBSD 2.2.7 1998-07-22 [FBD] 4191.7SitojunBSD/OS 4.0 1998-08-xx [BSDI] 4201.7Sitojun 2-lock MP support, ELF executables 4211.6SitojunFreeBSD 3.0 1998-10-16 [FBD] 4221.7Sitojun FreeBSD-3.0 is a snapshot from -current, 4231.7Sitojun while 3.1 and 3.2 are from 3.x-stable which 4241.6Sitojun was branched quite some time after 3.0-release 4251.1SabsFreeBSD 2.2.8 1998-11-29 [FBD] 4261.1SabsOpenBSD 2.4 1998-12-01 [OBD] 4271.6SitojunNetBSD 1.3.3 1998-12-23 [NBD] (patch release) 4281.6SitojunFreeBSD 3.1 1999-02-15 [FBD] 4291.7SitojunBSD/OS 4.0.1 1999-03-xx [BSDI] 4301.4SabsNetBSD 1.4 1999-05-12 [NBD] 4311.6SitojunFreeBSD 3.2 1999-05-17 [FBD] 4321.4SabsOpenBSD 2.5 1999-05-19 [OBD] 4331.6SitojunNetBSD 1.4.1 1999-08-26 [NBD] (patch release) 4341.6SitojunFreeBSD 3.3 1999-09-17 [FBD] 4351.6SitojunOpenBSD 2.6 1999-12-01 [OBD] 4361.6SitojunFreeBSD 3.4 1999-12-20 [FBD] 4371.7SitojunBSD/OS 4.1 1999-12-xx [BSDI] 4381.6SitojunFreeBSD 4.0 2000-03-13 [FBD] 4391.6SitojunNetBSD 1.4.2 2000-03-19 [NBD] (patch release) 4401.6SitojunOpenBSD 2.7 2000-06-15 [OBD] 4411.6SitojunFreeBSD 3.5 2000-06-24 [FBD] 4421.6SitojunFreeBSD 4.1 2000-07-27 [FBD] 4431.6SitojunFreeBSD 3.5.1 2000-07-28 [FBD] 4441.6SitojunFreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release) 4451.7SitojunFreeBSD 4.2 2000-11-21 [FBD] 4461.7SitojunNetBSD 1.4.3 2000-11-25 [NBD] (patch release) 4471.7SitojunBSD/OS 4.2 2000-11-29 [BSDI] 4481.7SitojunOpenBSD 2.8 2000-12-01 [OBD] 4491.7SitojunNetBSD 1.5 2000-12-06 [NBD] 4501.11SitojunMac OS X 10.0 2001-03-24 [APL] 4511.8SitojunFreeBSD 4.3 2001-04-20 [FBD] 4521.8SitojunOpenBSD 2.9 2001-06-01 [OBD] 4531.11SitojunNetBSD 1.5.1 2001-07-11 [NBD] (patch release) 4541.11SitojunNetBSD 1.5.2 2001-09-13 [NBD] (patch release) 4551.11SitojunFreeBSD 4.4 2001-09-18 [FBD] 4561.17SjunyoungMac OS X 10.1 2001-09-29 [APL] 4571.13SjunyoungOpenBSD 3.0 2001-12-01 [OBD] 4581.13SjunyoungFreeBSD 4.5 2002-01-29 [FBD] 4591.17SjunyoungBSD/OS 4.3 2002-03-14 [WRS] 4601.17SjunyoungOpenBSD 3.1 2002-05-19 [OBD] 4611.17SjunyoungFreeBSD 4.6 2002-06-15 [FBD] 4621.14SjunyoungNetBSD 1.5.3 2002-07-22 [NBD] (patch release) 4631.17SjunyoungFreeBSD 4.6.2 2002-08-15 [FBD] (patch release) 4641.17SjunyoungMac OS X 10.2 2002-08-23 [APL] 4651.17SjunyoungNetBSD 1.6 2002-09-14 [NBD] 4661.17SjunyoungFreeBSD 4.7 2002-10-08 [FBD] 4671.19SwizOpenBSD 3.2 2002-11-01 [OBD] 4681.20SitojunFreeBSD 5.0 2003-01-17 [FBD] 4691.20Sitojun FreeBSD 5.0 is a separate branch off of 4701.20Sitojun -current, similar to 3.0. 4711.20SitojunFreeBSD 4.8 2003-04-03 [FBD] 4721.20SitojunNetBSD 1.6.1 2003-04-21 [NBD] (patch release) 4731.20SitojunOpenBSD 3.3 2003-05-01 [OBD] 4741.21ScjepBSD/OS 5.0 2003-05-?? [WRS] 4751.21ScjepFreeBSD 5.1 2003-06-09 [FBD] 4761.23SpeterMac OS X 10.3 2003-10-24 [APL] 4771.23SpeterFreeBSD 4.9 2003-10-28 [FBD] 4781.23SpeterBSD/OS 5.1 ISE 2003-10-?? [WRS] (final version) 4791.23SpeterOpenBSD 3.4 2003-11-01 [OBD] 4801.23SpeterFreeBSD 5.2 2004-01-12 [FBD] 4811.23SpeterFreeBSD 5.2.1 2004-02-22 [FBD] (patch release) 4821.23SpeterNetBSD 1.6.2 2004-03-01 [NBD] (patch release) 4831.23SpeterOpenBSD 3.5 2004-04-01 [OBD] 4841.23SpeterFreeBSD 4.10 2004-05-27 [FBD] 4851.24SsodaDragonFly 1.0 2004-07-12 [DFB] 4861.23SpeterOpenBSD 3.6 2004-10-29 [OBD] 4871.23SpeterFreeBSD 5.3 2004-11-06 [FBD] 4881.23SpeterNetBSD 2.0 2004-12-09 [NBD] 4891.23SpeterFreeBSD 4.11 2005-01-25 [FBD] 4901.24SsodaDragonFly 1.2.0 2005-04-08 [DFB] 4911.26SsodaNetBSD 2.0.2 2005-04-14 [NBD] (security/critical release) 4921.24SsodaMac OS X 10.4 2005-04-29 [APL] 4931.24SsodaFreeBSD 5.4 2005-05-09 [FBD] 4941.24SsodaOpenBSD 3.7 2005-05-19 [OBD] 4951.28SrpauloNetBSD 2.0.3 2005-10-31 [NBD] (security/critical release) 4961.27SrpauloOpenBSD 3.8 2005-11-01 [OBD] 4971.29SrpauloFreeBSD 6.0 2005-11-01 [FBD] 4981.28SrpauloNetBSD 2.1 2005-11-02 [NBD] 4991.30SrpauloNetBSD 3.0 2005-12-23 [NBD] 5001.30SrpauloDragonFly 1.4.0 2006-01-08 [DFB] 5011.34SrpauloOpenBSD 3.9 2006-05-01 [OBD] 5021.35SrpauloFreeBSD 6.1 2006-05-08 [FBD] 5031.35SrpauloFreeBSD 5.5 2006-05-25 [FBD] 5041.36SrpauloNetBSD 3.0.1 2006-07-24 [NBD] (security/critical release) 5051.37SrpauloDragonFly 1.6.0 2006-07-24 [DFB] 5061.38SrpauloOpenBSD 4.0 2006-11-01 [OBD] 5071.38SrpauloNetBSD 3.0.2 2006-11-04 [NBD] (security/critical release) 5081.38SrpauloNetBSD 3.1 2006-11-04 [NBD] 5091.39SrpauloFreeBSD 6.2 2007-01-15 [FBD] 5101.39SrpauloDragonFly 1.8.0 2007-01-30 [DFB] 5111.40SxtraemeOpenBSD 4.1 2007-05-01 [OBD] 5121.40SxtraemeDragonFly 1.10.0 2007-08-06 [DFB] 5131.42ShubertfMac OS X 10.5 2007-10-26 [APL] 5141.40SxtraemeOpenBSD 4.2 2007-11-01 [OBD] 5151.42ShubertfNetBSD 4.0 2007-12-19 [NBD] 5161.42ShubertfFreeBSD 6.3 2008-01-18 [FBD] 5171.42ShubertfDragonFly 1.12.0 2008-02-26 [DFB] 5181.42ShubertfFreeBSD 7.0 2008-02-27 [FBD] 5191.42ShubertfOpenBSD 4.3 2008-05-01 [OBD] 5201.42ShubertfDragonFly 2.0.0 2008-07-21 [DFB] 5211.42ShubertfOpenBSD 4.4 2008-11-01 [OBD] 5221.42ShubertfFreeBSD 6.4 2008-11-28 [FBD] 5231.42ShubertfFreeBSD 7.1 2009-01-04 [FBD] 5241.43ShubertfDragonFly 2.2.0 2009-02-17 [DFB] 5251.43ShubertfNetBSD 5.0 2009-04-29 [NBD] 5261.43ShubertfOpenBSD 4.5 2009-05-01 [OBD] 5271.43ShubertfFreeBSD 7.2 2009-05-04 [FBD] 5281.43ShubertfMac OS X 10.6 2009-06-08 [APL] 5291.43ShubertfDragonFly 2.4.0 2009-09-16 [DFB] 5301.43ShubertfOpenBSD 4.6 2009-10-18 [OBD] 5311.43ShubertfFreeBSD 8.0 2009-11-26 [FBD] 5321.43ShubertfFreeBSD 7.3 2010-03-23 [FBD] 5331.43ShubertfDragonFly 2.6.0 2010-03-28 [DFB] 5341.43ShubertfOpenBSD 4.7 2010-05-19 [OBD] 5351.43ShubertfFreeBSD 8.1 2010-07-24 [FBD] 5361.43ShubertfDragonFly 2.8.2 2010-10-30 [DFB] 5371.43ShubertfOpenBSD 4.8 2010-11-01 [OBD] 5381.43ShubertfNetBSD 5.1 2010-11-19 [NBD] 5391.43ShubertfFreeBSD 7.4 2011-02-24 [FBD] 5401.43ShubertfFreeBSD 8.2 2011-02-24 [FBD] 5411.43ShubertfDragonFly 2.10.1 2011-04-26 [DFB] 5421.43ShubertfOpenBSD 4.9 2011-05-01 [OBD] 5431.43ShubertfMac OS X 10.7 2011-07-20 [APL] 5441.43ShubertfOpenBSD 5.0 2011-11-01 [OBD] 5451.43ShubertfFreeBSD 9.0 2012-01-12 [FBD] 5461.1Sabs 5471.1SabsBibliography 5481.1Sabs------------------------ 5491.1Sabs 5501.1SabsLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John 5511.1SabsQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating 5521.1SabsSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1 5531.1Sabs 5541.1SabsSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing 5551.1SabsCompany, Inc., 1994. ISBN 0-201-54777-5 5561.1Sabs 5571.1SabsMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John 5581.1SabsQuarterman. The Design and Implementation of the 4.4BSD Operating 5591.1SabsSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4 5601.1Sabs 5611.23SpeterMcKusick, Marshall Kirk, George Neville-Neil. The Design and 5621.23SpeterImplementation of the FreeBSD Operating System. 5631.23SpeterAddison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2 5641.23Speter 5651.1SabsDoug McIlroy. Research Unix Reader. 5661.1Sabs 5671.1SabsMichael G. Brown. The Role of BSD in the Development of Unix. 5681.1SabsPresented to the Tasmanian Unix Special Interest Group of the 5691.1SabsAustralian Computer Society, Hobart, August 1993. 5701.1Sabs 5711.6SitojunPeter H. Salus. Unix at 25. Byte Magazine, October 1994. 5721.24SsodaURL: http://www.byte.com/art/9410/sec8/art3.htm 5731.1Sabs 5741.43ShubertfAndreas Klemm, Lars Köller. If you're going to San Francisco ... 5751.1SabsDie freien BSD-Varianten von Unix. c't April 1997, page 368ff. 5761.1Sabs 5771.1SabsBSD Release Announcements collection. 5781.43ShubertfURL: http://www.FreeBSD.org/releases/ 5791.1Sabs 5801.1SabsBSD Hypertext Man Pages 5811.9SitojunURL: http://www.FreeBSD.org/cgi/man.cgi 5821.6Sitojun 5831.6SitojunUNIX history graphing project 5841.9SitojunURL: http://minnie.tuhs.org/Unix_History/index.html 5851.6Sitojun 5861.6SitojunUNIX history 5871.17SjunyoungURL: http://www.levenez.com/unix/ 5881.1Sabs 5891.8SitojunJames Howard: The BSD Family Tree 5901.32SrpauloURL: http://ezine.daemonnews.org/200104/bsd_family.html 5911.8Sitojun("what are the differences between FreeBSD, NetBSD, and OpenBSD?") 5921.8Sitojun 5931.8Sitojun 5941.1SabsAcknowledgments 5951.1Sabs--------------- 5961.1Sabs 5971.6SitojunJosh Gilliam for suggestions, bug fixes, and finding very old 5981.1Sabsoriginal BSD announcements from Usenet or tapes. 5991.1Sabs 6001.1SabsSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages. 6011.1Sabs 6021.1Sabs-- 6031.43ShubertfCopyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG> 6041.22SitojunURL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree 6051.1Sabs 6061.43Shubertf$FreeBSD: src/share/misc/bsd-family-tree,v 1.150 2012/01/13 06:18:23 maxim Exp $ 607