bsd-family-tree revision 101331
159769SgrogThe UNIX system family tree: Research and BSD
259769Sgrog---------------------------------------------
324424Swosch
424424SwoschFirst Edition (V1)
524424Swosch     |
624424SwoschSecond Edition (V2)
724424Swosch     |
824424SwoschThird Edition (V3)
924424Swosch     |
1024424SwoschFourth Edition (V4)
1124424Swosch     |
1224424SwoschFifth Edition (V5)
1324424Swosch     |
1424424SwoschSixth Edition (V6) -----*
1542704Swosch       \                |
1642704Swosch        \               |
1742704Swosch         \              |
1824424SwoschSeventh Edition (V7)    |
1942704Swosch            \           |
2042704Swosch             \        1BSD
2142704Swosch             32V        |
2242704Swosch               \      2BSD---------------*
2342704Swosch                \    /                   |
2442704Swosch                 \  /                    |
2542704Swosch                  \/                     |
2642704Swosch                 3BSD                    |
2742704Swosch                  |                      |
2842704Swosch               4.0BSD               2.7.9BSD
2942704Swosch                  |                      |
3059769Sgrog               4.1BSD --------------> 2.8BSD
3159769Sgrog                  |                      |
3259769Sgrog              4.1aBSD -----------\       |
3359769Sgrog                  |                \     |
3459769Sgrog              4.1bBSD                \   |
3559769Sgrog                  |                    \ |
3659769Sgrog      *------ 4.1cBSD --------------> 2.9BSD
3759769Sgrog     /            |                      |
3859769SgrogEighth Edition    |                   2.9BSD-Seismo
3924424Swosch     |            |                      |
4042704Swosch     +----<--- 4.2BSD               2.9.1BSD
4124424Swosch     |            |                      |
4242704Swosch     +----<--- 4.3BSD -------------> 2.10BSD
4324424Swosch     |            |               /      |
4442704SwoschNinth Edition     |              / 2.10.1BSD
4524424Swosch     |         4.3BSD Tahoe-----+        |
4624424Swosch     |            |              \       |
4724424Swosch     |            |                \     |
4842704Swosch     v            |                  2.11BSD
4925031SwoschTenth Edition     |                      |
5059156Swosch                  |                  2.11BSD rev #430
5125031Swosch               4.3BSD NET/1              |
5225031Swosch                  |                      v
5324424Swosch               4.3BSD Reno
5424424Swosch                  |
5524424Swosch   *---------- 4.3BSD NET/2 -------------------+-------------*
5624424Swosch   |                    |                      |             |
5771231Sitojun386BSD 0.0              |                      |           BSD/386 ALPHA
5824424Swosch   |                    |                      |             |
5971231Sitojun386BSD 0.1 ------------>+                      |           BSD/386 0.3.[13]
6025031Swosch   |     \              |                  4.4BSD Alpha      |
6171231Sitojun   |     386BSD 1.0     |                      |           BSD/386 0.9.[34]
6224424Swosch   |                    |                  4.4BSD            |
6325031Swosch   |                    |                    / |             |
6425031Swosch   |                    |   4.4BSD-Encumbered  |             |
6571231Sitojun   |                 NetBSD 0.8                |           BSD/386 1.0
6625031Swosch   |                    |                      |             |
6771231SitojunFreeBSD 1.0          NetBSD 0.9                |           BSD/386 1.1
6870110Swosch   |                    |           .----- 4.4BSD Lite       |
6970110SwoschFreeBSD 1.1             |          /   /       |     \       |
7070110Swosch   |                    |         /   /        |      \      |
7170110SwoschFreeBSD 1.1.5       .---|--------'   /         |       \     |
7270110Swosch   |               /    |           /          |        \    |
7370110SwoschFreeBSD 1.1.5.1   /     |          /           |         \   |
7470110Swosch   |             /   NetBSD 1.0 <-'            |          \  |
7570110Swosch   |            /       |                      |           \ |
7670110SwoschFreeBSD 2.0 <--'        |                      |           BSD/OS 2.0
7770110Swosch   |                     \                     |             |
7870110SwoschFreeBSD 2.0.5             \                    |           BSD/OS 2.0.1
7980675Sasmodai   |                 .-----\------------- 4.4BSD Lite2       |
8080675Sasmodai   |                 |      \             |  |   |   |       |
8180675Sasmodai   |                 | .-----|------Rhapsody |   |   |       |
8280675Sasmodai   |                 | |     |        NetBSD 1.3 |   |       |
8380675Sasmodai   |                 | |     |           OpenBSD 2.3 |       |
8480675Sasmodai   |                 | |     |                BSD/OS 3.0     |
8580675SasmodaiFreeBSD 2.1          | |     |                               |
8680675Sasmodai |   |               | |  NetBSD 1.1 ------.               BSD/OS 2.1
8780675Sasmodai | FreeBSD 2.1.5     | |     |              \                |
8880675Sasmodai |     |             | |  NetBSD 1.2         \             BSD/OS 3.0
8980675Sasmodai | FreeBSD 2.1.6     | |     |  \          OpenBSD 2.0       |
9080675Sasmodai |     |             | |     |   \             |             |
9180675Sasmodai | FreeBSD 2.1.6.1   | |     |    \            |             |
9280675Sasmodai |     |             | |     |     \           |             |
9380675Sasmodai | FreeBSD 2.1.7     | |     |      |          |             |
9480675Sasmodai |     |             | |     |  NetBSD 1.2.1   |             |
9580675Sasmodai | FreeBSD 2.1.7.1   | |     |                 |             |
9680675Sasmodai |                   | |     |                 |             |
9780675Sasmodai |                   | |     |                 |             |
9880675Sasmodai *-FreeBSD 2.2       | |     |                 |             |
9980675Sasmodai |        \          | |     |                 |             |
10080675Sasmodai |     FreeBSD 2.2.1 | |     |                 |             |
10180675Sasmodai |         |         | |     |                 |             |
10280675Sasmodai |     FreeBSD 2.2.2 | |     |             OpenBSD 2.1       |
10380675Sasmodai |         |         | |     |                 |             |
10480675Sasmodai |     FreeBSD 2.2.5 | |     |                 |             |
10580675Sasmodai |         |         | |     |             OpenBSD 2.2       |
10680675Sasmodai |         |         | |  NetBSD 1.3           |             |
10780675Sasmodai |     FreeBSD 2.2.6 | |     |    |            |             |
10880675Sasmodai |         |         | |     | NetBSD 1.3.1    |           BSD/OS 3.1
10980675Sasmodai |         |         | |     |    |        OpenBSD 2.3       |
11080675Sasmodai |         |         | |     | NetBSD 1.3.2    |             |
11180675Sasmodai |     FreeBSD 2.2.7 | |     |    |            |             |
11280675Sasmodai |         |         | |     |    |            |           BSD/OS 4.0
11380675Sasmodai |         v         | |     |    |            |             |
11480675Sasmodai |     FreeBSD 2.2.8 | |     |    |            |             |
11580675Sasmodai |                   | |     |    |        OpenBSD 2.4       |
11680675SasmodaiFreeBSD 3.0 <--------* |     |    v            |             |
11780675Sasmodai |                     |     | NetBSD 1.3.3    |             |
11880675Sasmodai *---FreeBSD 3.1       |     |                 |             |
11980675Sasmodai |       |             |     |                 |           BSD/OS 4.0.1
12080675Sasmodai |   FreeBSD 3.2----*  |  NetBSD 1.4       OpenBSD 2.5       |
12180675Sasmodai |       |          |  |  |  |    |            |             |
12280675Sasmodai |       |          |  |  |  |    |            |             |
12380675Sasmodai |       |          |  |  |  |    |            |             |
12480675Sasmodai |   FreeBSD 3.3    |  |  |  | NetBSD 1.4.1    |             |
12580675Sasmodai |       |          |  |  |  |    |        OpenBSD 2.6       |
12680675Sasmodai |   FreeBSD 3.4    |  |  |  |    |            |             |
12780675Sasmodai |           |      |  |  |  |    |            |           BSD/OS 4.1
12880675SasmodaiFreeBSD 4.0  |      |  |  |  | NetBSD 1.4.2    |             |
12980675Sasmodai |           |      |  |  |  |    |            |             |
13080675Sasmodai |           |      |  |  |  |    |            |             |
13180675Sasmodai |   FreeBSD 3.5    |  |  |  |    |        OpenBSD 2.7       |
13280675Sasmodai |           |      |  |  |  |    |            |             |
13380675Sasmodai |   FreeBSD 3.5.1  |  |  |  |    |            |             |
13480675Sasmodai |                  |  |  |  |    |            |             |
13580675Sasmodai *---FreeBSD 4.1    |  |  |  |    |            |             |
13680675Sasmodai |      |           |  | (?) |    |            |             |
13780675Sasmodai |   FreeBSD 4.1.1  |  |  /  |    |            |             |
13880675Sasmodai |      |           |  | /   |    v            |             |
13980675Sasmodai |   FreeBSD 4.2   Darwin/   | NetBSD 1.4.3    |             |
14087200Swosch |      |         Mac OS X   |    |        OpenBSD 2.8     BSD/OS 4.2
14187200Swosch |      |             |      |    v            |             |
14287200Swosch |      |             |      |                 |             |
14380675Sasmodai |      |           10.0  NetBSD 1.5           |             |
14480675Sasmodai |   FreeBSD 4.3      |      |    |            |             v
14580675Sasmodai |      |             |      |    v        OpenBSD 2.9
14680675Sasmodai |      |             |      | NetBSD 1.5.1    |
14784087Swosch |      |             |      |    |            |
14884087Swosch |   FreeBSD 4.4      |      | NetBSD 1.5.2    |
14987200Swosch |      |             |      |    |            |
15088698Swosch |      |             |      |    v        OpenBSD 3.0
15188698Swosch |   FreeBSD 4.5      |      |                 |
15288698Swosch |      |             |      |                 |
153101331Swosch |   FreeBSD 4.6      |      |             OpenBSD 3.1
15492014Swosch |      |             |      |                 |
15588698Swosch |      v             |      |                 |
15680675Sasmodai |                    |      |                 |
15780675SasmodaiFreeBSD 5.0-current   |   NetBSD -current  OpenBSD -current
15880675Sasmodai |                    |      |                 |
15980675Sasmodai v                    |      v                 v
16080675Sasmodai                   Mac OS X  
16180675Sasmodai                     10.1
16224424Swosch
16324424SwoschTime
16424424Swosch----------------
16524424Swosch
16669277SasmodaiTime tolerance +/- 6 months, depending on which book/article you read; if it
16769277Sasmodaiwas the announcement in Usenet or if it was available as tape.
16824424Swosch
16925031Swosch[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
17025031Swosch	and John Quarterman. The Design and Implementation of
17125031Swosch	the 4.4BSD Operating System.
17280675Sasmodai[APL] Apple website [http://www.apple.com/macosx/]
17325031Swosch[DOC] README, COPYRIGHT on tape.
17425031Swosch[QCU] Salus, Peter H. A quarter century of UNIX.
17525031Swosch[U25] Peter H. Salus. Unix at 25.
17625031Swosch[USE] Usenet announcement.
17725031Swosch[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
17825031Swosch	Changes in the Kernel in 2.9BSD. Second Berkeley Software
17925031Swosch	Distribution UNIX Version 2.9, July, 1983.
18025031Swosch[KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
18125031Swosch	Volume 11, Info 4, April, 1987.
18225031Swosch[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
18325031Swosch	comp.bugs.4bsd.ucb-fixes, June 15, 1988.
18425031Swosch[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
18538440Sjkh[FBD] FreeBSD Project, The.
18645349Swosch[NBD] NetBSD Project, The.
18745349Swosch[OBD] OpenBSD Project, The.
18842704Swosch[dmr] Dennis Ritchie, via E-Mail
18970110Swosch[BSDI] Berkeley Software Design, Inc.
19025031Swosch
19124424SwoschMultics                 1965
19259769SgrogUNIX                    Summer 1969
19325031Swosch				DEC PDP-7
19425031SwoschFirst   Edition         1971-11-03 [QCU]
19525031Swosch				DEC PDP-11/20, Assembler
19625031SwoschSecond  Edition         1972-06-12 [QCU]
19759769Sgrog				10 UNIX installations
19825031SwoschThird   Edition         1973-02-xx [QCU]
19925031Swosch				Pipes, 16 installations
20025031SwoschFourth  Edition         1973-11-xx [QCU]
20125031Swosch				rewriting in C effected,
20224424Swosch                                above 30 installations
20325031SwoschFifth   Edition         1974-06-xx [QCU]
20425031Swosch				above 50 installations
20525031SwoschSixth   Edition         1975-05-xx [QCU]
20625031Swosch				port to DEC Vax
20725031SwoschSeventh Edition         1979-01-xx [QCU]
20859769Sgrog				first portable UNIX
20959769SgrogEighth  Edition         1985-02-xx [QCU]
21042704Swosch				VAX 11/750, VAX 11/780 [dmr]
21142704Swosch				descended from 4.1c BSD [dmr]
21242704Swosch				descended from 4.1 BSD [44B]
21370110Swosch			scooping-out and replacement of the character-device
21442704Swosch			and networking part by the streams mechanism
21542704Swosch
21625031SwoschNinth   Edition         1986-09-xx [QCU]
21725031SwoschTenth   Edition         1989-10-xx [QCU]
21824424Swosch
21925031Swosch1BSD                    late 1977
22025031Swosch			1978-03-09 [QCU]
22125031Swosch				PDP-11, Pascal, ex(1)
22225031Swosch				30 free copies of 1BSD sent out
22325031Swosch				35 tapes sold for 50 USD [QCU]
22425031Swosch2BSD                    mid 1978 [QCU]
22525031Swosch				75 2BSD tapes shipped
22625031Swosch2.7.9BSD		?? [SMS]
22725031Swosch2.8BSD			1981-07-xx [KSJ]
22824424Swosch
22925031Swosch2.8.1BSD		1982-01-xx [QCU]
23025031Swosch				set of performance improvements
23125031Swosch2.9BSD			1983-07-xx [KSJ]
23225031Swosch2.9.1BSD                1983-11-xx
23325031Swosch2.9BSD-Seismo		1985-08-xx [SMS]
23425031Swosch2.10BSD			1987-04-xx [KKK]
23525031Swosch2.10.1BSD		1989-01-xx [SMS]
23625031Swosch2.11BSD			1992-02-xx [SMS]
23759156Swosch2.11BSD rev #430	1999-12-13 [SMS]
23825031Swosch
23925031Swosch32V			1978-1[01]-xx [QCU]
24025031Swosch3BSD                    late 1979 [QCU]
24125031Swosch				virtual memory, page replacement,
24225031Swosch                        	demand paging
24325031Swosch4.0BSD                  1980-10-xx
24489981Sjoe4.1BSD                  1981-07-08 [DOC]
24525031Swosch4.1aBSD                 1982-04-xx
24625031Swosch				alpha release, 100 sites, networking [44B]
24725031Swosch4.1bBSD				internal release, fast filesystem [44B]
24824424Swosch4.1cBSD                 late 1982
24925031Swosch				beta release, IPC [44B]
25025031Swosch4.2BSD                  1983-09-xx [QCU]
25189981Sjoe                        1983-08-03 [DOC]
25225031Swosch4.3BSD                  1986-06-xx [QCU]
25389981Sjoe			1986-04-05 [KB], [DOC]
25489981Sjoe4.3BSD Tahoe            1988-06-15 [QCU], [DOC]
25525031Swosch4.3BSD NET/1            1988-11-xx [QCU]
25689981Sjoe                        1989-01-01 [DOC]
25789981Sjoe4.3BSD Reno             1990-06-29 [QCU], [DOC]
25889981Sjoe4.3BSD NET/2            1991-06-28 [QCU], [DOC]
25970110Swosch
26071231SitojunBSD/386 ALPHA		1991-12-xx [BSDI]
26170110Swosch				first code released to people outside BSDI
26225031Swosch386BSD 0.0              1992-02-xx [DOC]
26371231SitojunBSD/386 0.3.1	        1992-04-xx [BSDI] first ext. beta; B customers
26471231SitojunBSD/386 0.3.3		1992-06-xx [BSDI] first CDROM version
26569278Sasmodai386BSD 0.1              1992-07-28 [DOC]
26625031Swosch4.4BSD Alpha            1992-07-07
26771231SitojunBSD/386 0.9.3		1992-10-xx [BSDI]
26870110Swosch				first external gamma; G customers
26971231SitojunBSD/386 0.9.4		1992-12-xx [BSDI]
27070110Swosch				would have been 1.0 except for request
27170110Swosch				for preliminary injunction
27271231SitojunBSD/386 1.0 		1993-03-xx [BSDI]
27370110Swosch				injunction denied; first official release
27457000SwoschNetBSD 0.8              1993-04-20 [NBD]
27525031Swosch4.4BSD                  1993-06-01 [USE]
27645349SwoschNetBSD 0.9              1993-08-23 [NBD]
27778270SnikFreeBSD 1.0		1993-11-01 [FBD]
27871231SitojunBSD/386 1.1		1994-02-xx [BSDI]
27925031Swosch4.4BSD Lite             1994-03-01 [USE]
28038440SjkhFreeBSD 1.1		1994-04-xx [FBD]
28138440SjkhFreeBSD 1.1.5.1		1994-07-xx [FBD]
28249392Swosch				supersedes 1.1.5 3 days after release.
28357000SwoschNetBSD 1.0              1994-10-26 [NBD]
28438440Sjkh386BSD 1.0              1994-11-12 [USE]
28538440SjkhFreeBSD 2.0		1995-01-xx [FBD]
28670110SwoschBSD/OS 2.0		1995-01-xx [BSDI] 4.4 lite based
28769278SasmodaiFreeBSD 2.0.5		1995-06-10 [FBD]
28870110SwoschBSD/OS 2.0.1		1995-06-xx [BSDI]
28925031Swosch4.4BSD Lite Release 2	1995-06-xx [44B]
29025031Swosch				the true final distribution from the CSRG
29169278SasmodaiFreeBSD 2.1.0		1995-11-19 [FBD]
29245349SwoschNetBSD 1.1              1995-11-26 [NBD]
29370110SwoschBSD/OS 2.1		1996-01-xx [BSDI]
29469278SasmodaiFreeBSD 2.1.5		1996-07-14 [FBD]
29545349SwoschNetBSD 1.2              1996-10-04 [NBD]
29645349SwoschOpenBSD 2.0             1996-10-18 [OBD]
29769278SasmodaiFreeBSD 2.1.6		1996-11-16 [FBD]
29869278SasmodaiFreeBSD 2.1.6.1		1996-11-25 [FBD] (sendmail security release)
29980675SasmodaiRhapsody		1997-xx-xx
30069278SasmodaiFreeBSD 2.1.7		1997-02-20 [FBD]
30170110SwoschBSD/OS 3.0		1997-02-xx [BSDI] 4.4 lite2 based
30269278SasmodaiFreeBSD 2.2.0		1997-03-16 [FBD]
30369278SasmodaiFreeBSD 2.2.1		1997-03-25 [FBD]
30469278SasmodaiFreeBSD 2.2.2		1997-05-16 [FBD]
30557000SwoschNetBSD 1.2.1            1997-05-20 [NBD] (patch release)
30645349SwoschOpenBSD 2.1             1997-06-01 [OBD]
30769277SasmodaiFreeBSD 2.2.5		1997-10-22 [FBD]
30845349SwoschOpenBSD 2.2             1997-12-01 [OBD]
30966542SitojunNetBSD 1.3              1998-01-04 [NBD]
31069277SasmodaiFreeBSD 2.2.6		1998-03-25 [FBD]
31157000SwoschNetBSD 1.3.1            1998-03-09 [NBD] (patch release)
31270110SwoschBSD/OS 3.1		1998-03-xx [BSDI]
31345349SwoschOpenBSD 2.3             1998-05-19 [OBD]
31457000SwoschNetBSD 1.3.2            1998-05-29 [NBD] (patch release)
31569277SasmodaiFreeBSD 2.2.7		1998-07-22 [FBD]
31670110SwoschBSD/OS 4.0		1998-08-xx [BSDI]
31770110Swosch				2-lock MP support, ELF executables
31842589SwoschFreeBSD 3.0		1998-10-16 [FBD]
31970110Swosch				FreeBSD-3.0 is a snapshot from -current,
32070110Swosch				while 3.1 and 3.2 are from 3.x-stable which
32146321Swosch				was branched quite some time after 3.0-release
32245349SwoschFreeBSD 2.2.8           1998-11-29 [FBD]
32345349SwoschOpenBSD 2.4             1998-12-01 [OBD]
32457000SwoschNetBSD 1.3.3            1998-12-23 [NBD] (patch release)
32546318SwoschFreeBSD 3.1		1999-02-15 [FBD]
32670110SwoschBSD/OS 4.0.1		1999-03-xx [BSDI]
32756406SwoschNetBSD 1.4              1999-05-12 [NBD]
32855389SbillfFreeBSD 3.2             1999-05-17 [FBD]
32955389SbillfOpenBSD 2.5             1999-05-19 [OBD]
33057000SwoschNetBSD 1.4.1            1999-08-26 [NBD] (patch release)
33155389SbillfFreeBSD 3.3             1999-09-17 [FBD]
33255389SbillfOpenBSD 2.6             1999-12-01 [OBD]
33355389SbillfFreeBSD 3.4             1999-12-20 [FBD]
33470110SwoschBSD/OS 4.1		1999-12-xx [BSDI]
33558448SwoschFreeBSD 4.0             2000-03-13 [FBD]
33658448SwoschNetBSD 1.4.2            2000-03-19 [NBD] (patch release)
33765412SwoschOpenBSD 2.7             2000-06-15 [OBD]
33864612SalexFreeBSD 3.5		2000-06-24 [FBD]
33964612SalexFreeBSD 4.1		2000-07-27 [FBD]
34065411SwoschFreeBSD 3.5.1		2000-07-28 [FBD]
34165974SwoschFreeBSD 4.1.1		2000-09-25 [FBD] (a network-only patch release)
34269277SasmodaiFreeBSD 4.2  		2000-11-21 [FBD]
34369277SasmodaiNetBSD 1.4.3		2000-11-25 [NBD] (patch release)
34470119SwoschBSD/OS 4.2		2000-11-29 [BSDI]
34569277SasmodaiOpenBSD 2.8		2000-12-01 [OBD]
34670111SwoschNetBSD 1.5              2000-12-06 [NBD]
34780675SasmodaiMac OS X 10.0           2001-03-24 [APL]
34875833SwoschFreeBSD 4.3  		2001-04-20 [FBD]
34978867SitojunOpenBSD 2.9  		2001-06-01 [OBD]
35079603SitojunNetBSD 1.5.1		2001-07-11 [NBD] (patch release)
35184087SwoschNetBSD 1.5.2		2001-09-13 [NBD] (patch release)
35283686SobrienFreeBSD 4.4  		2001-09-18 [FBD]
35380675SasmodaiMac OS X 10.1		2001-09-xx [APL]
35487201SwoschOpenBSD 3.0		2001-12-01 [OBD]
35592013SwoschFreeBSD 4.5  		2002-01-29 [FBD]
356101331SwoschOpenBSD 3.1		2002-05-19 [OBD]
357101331SwoschFreeBSD 4.6  		2002-06-15 [FBD]
35824424Swosch
35925031Swosch
36024424SwoschBibliography
36124424Swosch------------------------
36224424Swosch
36324424SwoschLeffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
36424424SwoschQuarterman. The Design and Implementation of the 4.3BSD UNIX Operating
36524424SwoschSystem. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
36624424Swosch
36724424SwoschSalus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
36824424SwoschCompany, Inc., 1994. ISBN 0-201-54777-5
36924424Swosch
37024424SwoschMcKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
37124424SwoschQuarterman. The Design and Implementation of the 4.4BSD Operating
37224424SwoschSystem. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
37324424Swosch
37425031SwoschDoug McIlroy. Research Unix Reader.
37525031Swosch
37624424SwoschMichael G. Brown. The Role of BSD in the Development of Unix.
37724424SwoschPresented to the Tasmanian Unix Special Interest Group of the
37824424SwoschAustralian Computer Society, Hobart, August 1993.
37924424Swosch
38059769SgrogPeter H. Salus. Unix at 25. Byte Magazine, October 1994.
38179514SitojunURL: http://www.byte.com/art/9410/sec8/art3.htm (unreachable)
38224424Swosch
38325031SwoschAndreas Klemm, Lars K�ller. If you're going to San Francisco ...
38425031SwoschDie freien BSD-Varianten von Unix. c't April 1997, page 368ff.
38525031Swosch
38625031SwoschBSD Release Announcements collection.
38759769SgrogURL: http://www.de.FreeBSD.org/de/ftp/releases/
38825031Swosch
38931658SwoschBSD Hypertext Man Pages
39079514SitojunURL: http://www.FreeBSD.org/cgi/man.cgi
39131658Swosch
39259769SgrogUNIX history graphing project
39379514SitojunURL: http://minnie.tuhs.org/Unix_History/index.html
39459769Sgrog
39565415SwoschUNIX history
39679514SitojunURL: http://perso.wanadoo.fr/levenez/unix/
39765415Swosch
39875834SwoschJames Howard: The BSD Family Tree
39979514SitojunURL: http://www.daemonnews.org/200104/bsd_family.html
40075834Swosch("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
40175834Swosch
40275834Swosch
40325031SwoschAcknowledgments
40425031Swosch---------------
40525031Swosch
40659769SgrogJosh Gilliam for suggestions, bug fixes, and finding very old
40725031Swoschoriginal BSD announcements from Usenet or tapes.
40825031Swosch
40931658SwoschSteven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
41025031Swosch
41124424Swosch--
41272877SwoschCopyright (c) 1997-2001 Wolfram Schneider <wosch@FreeBSD.ORG>
41367388SwoschURL: ftp://ftp.freebsd.org/pub/FreeBSD/branches/-current/src/share/misc/bsd-family-tree
41442589Swosch
41550970Speter$FreeBSD: head/share/misc/bsd-family-tree 101331 2002-08-04 20:34:28Z wosch $
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