bsd-family-tree revision 1.15
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                  |                      |
281.1Sabs               4.0BSD               2.7.9BSD
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  |             |
651.7Sitojun   |                 NetBSD 0.8                |           BSD/386 1.0
661.1Sabs   |                    |                      |             |
671.7SitojunFreeBSD 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  |  |  /  |    |            |             |
1381.11Sitojun |      |           |  | /   |    v            |             |
1391.11Sitojun |   FreeBSD 4.2   Darwin/   | NetBSD 1.4.3    |             |
1401.13Sjunyoung |      |         Mac OS X   |    |        OpenBSD 2.8     BSD/OS 4.2
1411.13Sjunyoung |      |             |      |    v            |             |
1421.13Sjunyoung |      |             |      |                 |             |
1431.11Sitojun |      |           10.0  NetBSD 1.5           |             |
1441.11Sitojun |   FreeBSD 4.3      |      |    |            |             v
1451.11Sitojun |      |             |      |    v        OpenBSD 2.9
1461.11Sitojun |      |             |      | NetBSD 1.5.1    |
1471.11Sitojun |      |             |      |    |            |
1481.11Sitojun |   FreeBSD 4.4      |      | NetBSD 1.5.2    |
1491.12Sgrant |      |             |      |    |            |
1501.15Sjunyoung |      |             |      |    |        OpenBSD 3.0
1511.15Sjunyoung |   FreeBSD 4.5      |      |    |            |
1521.15Sjunyoung |      |             |      |    |            |
1531.15Sjunyoung |   FreeBSD 4.6      |      |    v            |
1541.15Sjunyoung |      |             |      | NetBSD 1.5.3    |
1551.15Sjunyoung |      v             |      |    |            |
1561.15Sjunyoung |                    |      |    v            |
1571.11Sitojun |                    |      |                 |
1581.11SitojunFreeBSD 5.0-current   |   NetBSD -current  OpenBSD -current
1591.11Sitojun |                    |      |                 |
1601.11Sitojun v                    |      v                 v
1611.11Sitojun                   Mac OS X  
1621.11Sitojun                     10.1
1631.1Sabs
1641.1SabsTime
1651.1Sabs----------------
1661.1Sabs
1671.7SitojunTime tolerance +/- 6 months, depending on which book/article you read; if it
1681.7Sitojunwas the announcement in Usenet or if it was available as tape.
1691.1Sabs
1701.1Sabs[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
1711.1Sabs	and John Quarterman. The Design and Implementation of
1721.1Sabs	the 4.4BSD Operating System.
1731.11Sitojun[APL] Apple website [http://www.apple.com/macosx/]
1741.1Sabs[DOC] README, COPYRIGHT on tape.
1751.1Sabs[QCU] Salus, Peter H. A quarter century of UNIX.
1761.1Sabs[U25] Peter H. Salus. Unix at 25.
1771.1Sabs[USE] Usenet announcement.
1781.1Sabs[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
1791.1Sabs	Changes in the Kernel in 2.9BSD. Second Berkeley Software
1801.1Sabs	Distribution UNIX Version 2.9, July, 1983.
1811.1Sabs[KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
1821.1Sabs	Volume 11, Info 4, April, 1987.
1831.1Sabs[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
1841.1Sabs	comp.bugs.4bsd.ucb-fixes, June 15, 1988.
1851.1Sabs[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
1861.1Sabs[FBD] FreeBSD Project, The.
1871.1Sabs[NBD] NetBSD Project, The.
1881.1Sabs[OBD] OpenBSD Project, The.
1891.1Sabs[dmr] Dennis Ritchie, via E-Mail
1901.7Sitojun[BSDI] Berkeley Software Design, Inc.
1911.1Sabs
1921.1SabsMultics                 1965
1931.6SitojunUNIX                    Summer 1969
1941.1Sabs				DEC PDP-7
1951.1SabsFirst   Edition         1971-11-03 [QCU]
1961.1Sabs				DEC PDP-11/20, Assembler
1971.1SabsSecond  Edition         1972-06-12 [QCU]
1981.6Sitojun				10 UNIX installations
1991.1SabsThird   Edition         1973-02-xx [QCU]
2001.1Sabs				Pipes, 16 installations
2011.1SabsFourth  Edition         1973-11-xx [QCU]
2021.1Sabs				rewriting in C effected,
2031.1Sabs                                above 30 installations
2041.1SabsFifth   Edition         1974-06-xx [QCU]
2051.1Sabs				above 50 installations
2061.1SabsSixth   Edition         1975-05-xx [QCU]
2071.1Sabs				port to DEC Vax
2081.1SabsSeventh Edition         1979-01-xx [QCU]
2091.6Sitojun				first portable UNIX
2101.6SitojunEighth  Edition         1985-02-xx [QCU]
2111.1Sabs				VAX 11/750, VAX 11/780 [dmr]
2121.1Sabs				descended from 4.1c BSD [dmr]
2131.1Sabs				descended from 4.1 BSD [44B]
2141.7Sitojun			scooping-out and replacement of the character-device
2151.1Sabs			and networking part by the streams mechanism
2161.1Sabs
2171.1SabsNinth   Edition         1986-09-xx [QCU]
2181.1SabsTenth   Edition         1989-10-xx [QCU]
2191.1Sabs
2201.1Sabs1BSD                    late 1977
2211.1Sabs			1978-03-09 [QCU]
2221.1Sabs				PDP-11, Pascal, ex(1)
2231.1Sabs				30 free copies of 1BSD sent out
2241.1Sabs				35 tapes sold for 50 USD [QCU]
2251.1Sabs2BSD                    mid 1978 [QCU]
2261.1Sabs				75 2BSD tapes shipped
2271.1Sabs2.7.9BSD		?? [SMS]
2281.1Sabs2.8BSD			1981-07-xx [KSJ]
2291.1Sabs
2301.1Sabs2.8.1BSD		1982-01-xx [QCU]
2311.1Sabs				set of performance improvements
2321.1Sabs2.9BSD			1983-07-xx [KSJ]
2331.1Sabs2.9.1BSD                1983-11-xx
2341.1Sabs2.9BSD-Seismo		1985-08-xx [SMS]
2351.1Sabs2.10BSD			1987-04-xx [KKK]
2361.1Sabs2.10.1BSD		1989-01-xx [SMS]
2371.1Sabs2.11BSD			1992-02-xx [SMS]
2381.6Sitojun2.11BSD rev #430	1999-12-13 [SMS]
2391.1Sabs
2401.1Sabs32V			1978-1[01]-xx [QCU]
2411.1Sabs3BSD                    late 1979 [QCU]
2421.1Sabs				virtual memory, page replacement,
2431.1Sabs                        	demand paging
2441.1Sabs4.0BSD                  1980-10-xx
2451.13Sjunyoung4.1BSD                  1981-07-08 [DOC]
2461.1Sabs4.1aBSD                 1982-04-xx
2471.1Sabs				alpha release, 100 sites, networking [44B]
2481.1Sabs4.1bBSD				internal release, fast filesystem [44B]
2491.1Sabs4.1cBSD                 late 1982
2501.1Sabs				beta release, IPC [44B]
2511.1Sabs4.2BSD                  1983-09-xx [QCU]
2521.13Sjunyoung                        1983-08-03 [DOC]
2531.1Sabs4.3BSD                  1986-06-xx [QCU]
2541.13Sjunyoung			1986-04-05 [KB], [DOC]
2551.13Sjunyoung4.3BSD Tahoe            1988-06-15 [QCU], [DOC]
2561.1Sabs4.3BSD NET/1            1988-11-xx [QCU]
2571.13Sjunyoung                        1989-01-01 [DOC]
2581.13Sjunyoung4.3BSD Reno             1990-06-29 [QCU], [DOC]
2591.13Sjunyoung4.3BSD NET/2            1991-06-28 [QCU], [DOC]
2601.7Sitojun
2611.7SitojunBSD/386 ALPHA		1991-12-xx [BSDI]
2621.7Sitojun				first code released to people outside BSDI
2631.1Sabs386BSD 0.0              1992-02-xx [DOC]
2641.7SitojunBSD/386 0.3.1	        1992-04-xx [BSDI] first ext. beta; B customers
2651.7SitojunBSD/386 0.3.3		1992-06-xx [BSDI] first CDROM version
2661.7Sitojun386BSD 0.1              1992-07-28 [DOC]
2671.1Sabs4.4BSD Alpha            1992-07-07
2681.7SitojunBSD/386 0.9.3		1992-10-xx [BSDI]
2691.7Sitojun				first external gamma; G customers
2701.7SitojunBSD/386 0.9.4		1992-12-xx [BSDI]
2711.7Sitojun				would have been 1.0 except for request
2721.7Sitojun				for preliminary injunction
2731.7SitojunBSD/386 1.0 		1993-03-xx [BSDI]
2741.7Sitojun				injunction denied; first official release
2751.6SitojunNetBSD 0.8              1993-04-20 [NBD]
2761.1Sabs4.4BSD                  1993-06-01 [USE]
2771.1SabsNetBSD 0.9              1993-08-23 [NBD]
2781.8SitojunFreeBSD 1.0		1993-11-01 [FBD]
2791.7SitojunBSD/386 1.1		1994-02-xx [BSDI]
2801.1Sabs4.4BSD Lite             1994-03-01 [USE]
2811.6SitojunFreeBSD 1.1		1994-04-xx [FBD]
2821.6SitojunFreeBSD 1.1.5.1		1994-07-xx [FBD]
2831.6Sitojun				supersedes 1.1.5 3 days after release.
2841.6SitojunNetBSD 1.0              1994-10-26 [NBD]
2851.1Sabs386BSD 1.0              1994-11-12 [USE]
2861.6SitojunFreeBSD 2.0		1995-01-xx [FBD]
2871.7SitojunBSD/OS 2.0		1995-01-xx [BSDI] 4.4 lite based
2881.7SitojunFreeBSD 2.0.5		1995-06-10 [FBD]
2891.7SitojunBSD/OS 2.0.1		1995-06-xx [BSDI]
2901.6Sitojun4.4BSD Lite Release 2	1995-06-xx [44B]
2911.6Sitojun				the true final distribution from the CSRG
2921.7SitojunFreeBSD 2.1.0		1995-11-19 [FBD]
2931.1SabsNetBSD 1.1              1995-11-26 [NBD]
2941.7SitojunBSD/OS 2.1		1996-01-xx [BSDI]
2951.7SitojunFreeBSD 2.1.5		1996-07-14 [FBD]
2961.1SabsNetBSD 1.2              1996-10-04 [NBD]
2971.1SabsOpenBSD 2.0             1996-10-18 [OBD]
2981.7SitojunFreeBSD 2.1.6		1996-11-16 [FBD]
2991.7SitojunFreeBSD 2.1.6.1		1996-11-25 [FBD] (sendmail security release)
3001.11SitojunRhapsody		1997-xx-xx
3011.7SitojunFreeBSD 2.1.7		1997-02-20 [FBD]
3021.7SitojunBSD/OS 3.0		1997-02-xx [BSDI] 4.4 lite2 based
3031.7SitojunFreeBSD 2.2.0		1997-03-16 [FBD]
3041.7SitojunFreeBSD 2.2.1		1997-03-25 [FBD]
3051.7SitojunFreeBSD 2.2.2		1997-05-16 [FBD]
3061.6SitojunNetBSD 1.2.1            1997-05-20 [NBD] (patch release)
3071.1SabsOpenBSD 2.1             1997-06-01 [OBD]
3081.7SitojunFreeBSD 2.2.5		1997-10-22 [FBD]
3091.1SabsOpenBSD 2.2             1997-12-01 [OBD]
3101.5SabsNetBSD 1.3              1998-01-04 [NBD]
3111.7SitojunFreeBSD 2.2.6		1998-03-25 [FBD]
3121.6SitojunNetBSD 1.3.1            1998-03-09 [NBD] (patch release)
3131.7SitojunBSD/OS 3.1		1998-03-xx [BSDI]
3141.1SabsOpenBSD 2.3             1998-05-19 [OBD]
3151.6SitojunNetBSD 1.3.2            1998-05-29 [NBD] (patch release)
3161.7SitojunFreeBSD 2.2.7		1998-07-22 [FBD]
3171.7SitojunBSD/OS 4.0		1998-08-xx [BSDI]
3181.7Sitojun				2-lock MP support, ELF executables
3191.6SitojunFreeBSD 3.0		1998-10-16 [FBD]
3201.7Sitojun				FreeBSD-3.0 is a snapshot from -current,
3211.7Sitojun				while 3.1 and 3.2 are from 3.x-stable which
3221.6Sitojun				was branched quite some time after 3.0-release
3231.1SabsFreeBSD 2.2.8           1998-11-29 [FBD]
3241.1SabsOpenBSD 2.4             1998-12-01 [OBD]
3251.6SitojunNetBSD 1.3.3            1998-12-23 [NBD] (patch release)
3261.6SitojunFreeBSD 3.1		1999-02-15 [FBD]
3271.7SitojunBSD/OS 4.0.1		1999-03-xx [BSDI]
3281.4SabsNetBSD 1.4              1999-05-12 [NBD]
3291.6SitojunFreeBSD 3.2             1999-05-17 [FBD]
3301.4SabsOpenBSD 2.5             1999-05-19 [OBD]
3311.6SitojunNetBSD 1.4.1            1999-08-26 [NBD] (patch release)
3321.6SitojunFreeBSD 3.3             1999-09-17 [FBD]
3331.6SitojunOpenBSD 2.6             1999-12-01 [OBD]
3341.6SitojunFreeBSD 3.4             1999-12-20 [FBD]
3351.7SitojunBSD/OS 4.1		1999-12-xx [BSDI]
3361.6SitojunFreeBSD 4.0             2000-03-13 [FBD]
3371.6SitojunNetBSD 1.4.2            2000-03-19 [NBD] (patch release)
3381.6SitojunOpenBSD 2.7             2000-06-15 [OBD]
3391.6SitojunFreeBSD 3.5		2000-06-24 [FBD]
3401.6SitojunFreeBSD 4.1		2000-07-27 [FBD]
3411.6SitojunFreeBSD 3.5.1		2000-07-28 [FBD]
3421.6SitojunFreeBSD 4.1.1		2000-09-25 [FBD] (a network-only patch release)
3431.7SitojunFreeBSD 4.2  		2000-11-21 [FBD]
3441.7SitojunNetBSD 1.4.3		2000-11-25 [NBD] (patch release)
3451.7SitojunBSD/OS 4.2		2000-11-29 [BSDI]
3461.7SitojunOpenBSD 2.8		2000-12-01 [OBD]
3471.7SitojunNetBSD 1.5              2000-12-06 [NBD]
3481.11SitojunMac OS X 10.0           2001-03-24 [APL]
3491.8SitojunFreeBSD 4.3  		2001-04-20 [FBD]
3501.8SitojunOpenBSD 2.9  		2001-06-01 [OBD]
3511.11SitojunNetBSD 1.5.1		2001-07-11 [NBD] (patch release)
3521.11SitojunNetBSD 1.5.2		2001-09-13 [NBD] (patch release)
3531.11SitojunFreeBSD 4.4  		2001-09-18 [FBD]
3541.11SitojunMac OS X 10.1		2001-09-xx [APL]
3551.13SjunyoungOpenBSD 3.0		2001-12-01 [OBD]
3561.13SjunyoungFreeBSD 4.5  		2002-01-29 [FBD]
3571.13SjunyoungFreeBSD 4.6  		2002-06-xx [FBD]
3581.14SjunyoungNetBSD 1.5.3		2002-07-22 [NBD] (patch release)
3591.1Sabs
3601.1Sabs
3611.1SabsBibliography
3621.1Sabs------------------------
3631.1Sabs
3641.1SabsLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
3651.1SabsQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating
3661.1SabsSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
3671.1Sabs
3681.1SabsSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
3691.1SabsCompany, Inc., 1994. ISBN 0-201-54777-5
3701.1Sabs
3711.1SabsMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
3721.1SabsQuarterman. The Design and Implementation of the 4.4BSD Operating
3731.1SabsSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
3741.1Sabs
3751.1SabsDoug McIlroy. Research Unix Reader.
3761.1Sabs
3771.1SabsMichael G. Brown. The Role of BSD in the Development of Unix.
3781.1SabsPresented to the Tasmanian Unix Special Interest Group of the
3791.1SabsAustralian Computer Society, Hobart, August 1993.
3801.1Sabs
3811.6SitojunPeter H. Salus. Unix at 25. Byte Magazine, October 1994.
3821.9SitojunURL: http://www.byte.com/art/9410/sec8/art3.htm (unreachable)
3831.1Sabs
3841.1SabsAndreas Klemm, Lars K�ller. If you're going to San Francisco ...
3851.1SabsDie freien BSD-Varianten von Unix. c't April 1997, page 368ff.
3861.1Sabs
3871.1SabsBSD Release Announcements collection.
3881.6SitojunURL: http://www.de.FreeBSD.org/de/ftp/releases/
3891.1Sabs
3901.1SabsBSD Hypertext Man Pages
3911.9SitojunURL: http://www.FreeBSD.org/cgi/man.cgi
3921.6Sitojun
3931.6SitojunUNIX history graphing project
3941.9SitojunURL: http://minnie.tuhs.org/Unix_History/index.html
3951.6Sitojun
3961.6SitojunUNIX history
3971.9SitojunURL: http://perso.wanadoo.fr/levenez/unix/
3981.1Sabs
3991.8SitojunJames Howard: The BSD Family Tree
4001.9SitojunURL: http://www.daemonnews.org/200104/bsd_family.html
4011.8Sitojun("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
4021.8Sitojun
4031.8Sitojun
4041.1SabsAcknowledgments
4051.1Sabs---------------
4061.1Sabs
4071.6SitojunJosh Gilliam for suggestions, bug fixes, and finding very old
4081.1Sabsoriginal BSD announcements from Usenet or tapes.
4091.1Sabs
4101.1SabsSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
4111.1Sabs
4121.1Sabs--
4131.8SitojunCopyright (c) 1997-2001 Wolfram Schneider <wosch@FreeBSD.ORG>
4141.7SitojunURL: ftp://ftp.freebsd.org/pub/FreeBSD/branches/-current/src/share/misc/bsd-family-tree
4151.1Sabs
4161.13Sjunyoung$FreeBSD: src/share/misc/bsd-family-tree,v 1.58 2002/03/10 19:00:37 wosch Exp $
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