. for /usr/share/misc/style, NetBSD coding style . and for indent.pro (style-compatible indent(1) indenting profile)
		
			
				
	
	
		
			607 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			607 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
The UNIX system family tree: Research and BSD
 | 
						|
---------------------------------------------
 | 
						|
 | 
						|
First Edition (V1)
 | 
						|
     |
 | 
						|
Second Edition (V2)
 | 
						|
     |
 | 
						|
Third Edition (V3)
 | 
						|
     |
 | 
						|
Fourth Edition (V4)
 | 
						|
     |
 | 
						|
Fifth Edition (V5)
 | 
						|
     |
 | 
						|
Sixth Edition (V6) -----*
 | 
						|
       \                |
 | 
						|
        \               |
 | 
						|
         \              |
 | 
						|
Seventh Edition (V7)    |
 | 
						|
            \           |
 | 
						|
             \        1BSD
 | 
						|
             32V        |
 | 
						|
               \      2BSD---------------*
 | 
						|
                \    /                   |
 | 
						|
                 \  /                    |
 | 
						|
                  \/                     |
 | 
						|
                 3BSD                    |
 | 
						|
                  |                      |
 | 
						|
               4.0BSD                2.79BSD
 | 
						|
                  |                      |
 | 
						|
               4.1BSD --------------> 2.8BSD
 | 
						|
                  |                      |
 | 
						|
              4.1aBSD -----------\       |
 | 
						|
                  |                \     |
 | 
						|
              4.1bBSD                \   |
 | 
						|
                  |                    \ |
 | 
						|
      *------ 4.1cBSD --------------> 2.9BSD
 | 
						|
     /            |                      |
 | 
						|
Eighth Edition    |                   2.9BSD-Seismo
 | 
						|
     |            |                      |
 | 
						|
     +----<--- 4.2BSD               2.9.1BSD
 | 
						|
     |            |                      |
 | 
						|
     +----<--- 4.3BSD -------------> 2.10BSD
 | 
						|
     |            |               /      |
 | 
						|
Ninth Edition     |              / 2.10.1BSD
 | 
						|
     |         4.3BSD Tahoe-----+        |
 | 
						|
     |            |              \       |
 | 
						|
     |            |                \     |
 | 
						|
     v            |                  2.11BSD
 | 
						|
Tenth Edition     |                      |
 | 
						|
                  |                  2.11BSD rev #430
 | 
						|
               4.3BSD NET/1              |
 | 
						|
                  |                      v
 | 
						|
               4.3BSD Reno
 | 
						|
                  |
 | 
						|
   *---------- 4.3BSD NET/2 -------------------+-------------*
 | 
						|
   |                    |                      |             |
 | 
						|
386BSD 0.0              |                      |           BSD/386 ALPHA
 | 
						|
   |                    |                      |             |
 | 
						|
386BSD 0.1 ------------>+                      |           BSD/386 0.3.[13]
 | 
						|
   |     \              |                  4.4BSD Alpha      |
 | 
						|
   |     386BSD 1.0     |                      |           BSD/386 0.9.[34]
 | 
						|
   |                    |                  4.4BSD            |
 | 
						|
   |                    |                    / |             |
 | 
						|
   |                    |   4.4BSD-Encumbered  |             |
 | 
						|
   |                 NetBSD 0.8                |           BSD/386 1.0
 | 
						|
   |                    |                      |             |
 | 
						|
FreeBSD 1.0          NetBSD 0.9                |           BSD/386 1.1
 | 
						|
   |                    |           .----- 4.4BSD Lite       |
 | 
						|
FreeBSD 1.1             |          /   /       |     \       |
 | 
						|
   |                    |         /   /        |      \      |
 | 
						|
FreeBSD 1.1.5       .---|--------'   /         |       \     |
 | 
						|
   |               /    |           /          |        \    |
 | 
						|
FreeBSD 1.1.5.1   /     |          /           |         \   |
 | 
						|
   |             /   NetBSD 1.0 <-'            |          \  |
 | 
						|
   |            /       |                      |           \ |
 | 
						|
FreeBSD 2.0 <--'        |                      |           BSD/OS 2.0
 | 
						|
   |                     \                     |             |
 | 
						|
FreeBSD 2.0.5             \                    |           BSD/OS 2.0.1
 | 
						|
   |                 .-----\------------- 4.4BSD Lite2       |
 | 
						|
   |                 |      \             |  |   |   |       |
 | 
						|
   |                 | .-----|------Rhapsody |   |   |       |
 | 
						|
   |                 | |     |        NetBSD 1.3 |   |       |
 | 
						|
   |                 | |     |           OpenBSD 2.3 |       |
 | 
						|
   |                 | |     |                BSD/OS 3.0     |
 | 
						|
FreeBSD 2.1          | |     |                               |
 | 
						|
 |   |               | |  NetBSD 1.1 ------.               BSD/OS 2.1
 | 
						|
 | FreeBSD 2.1.5     | |     |              \                |
 | 
						|
 |     |             | |  NetBSD 1.2         \             BSD/OS 3.0
 | 
						|
 | FreeBSD 2.1.6     | |     |  \          OpenBSD 2.0       |
 | 
						|
 |     |             | |     |   \             |             |
 | 
						|
 | FreeBSD 2.1.6.1   | |     |    \            |             |
 | 
						|
 |     |             | |     |     \           |             |
 | 
						|
 | FreeBSD 2.1.7     | |     |      |          |             |
 | 
						|
 |     |             | |     |  NetBSD 1.2.1   |             |
 | 
						|
 | FreeBSD 2.1.7.1   | |     |                 |             |
 | 
						|
 |                   | |     |                 |             |
 | 
						|
 |                   | |     |                 |             |
 | 
						|
 *-FreeBSD 2.2       | |     |                 |             |
 | 
						|
 |        \          | |     |                 |             |
 | 
						|
 |     FreeBSD 2.2.1 | |     |                 |             |
 | 
						|
 |         |         | |     |                 |             |
 | 
						|
 |     FreeBSD 2.2.2 | |     |             OpenBSD 2.1       |
 | 
						|
 |         |         | |     |                 |             |
 | 
						|
 |     FreeBSD 2.2.5 | |     |                 |             |
 | 
						|
 |         |         | |     |             OpenBSD 2.2       |
 | 
						|
 |         |         | |  NetBSD 1.3           |             |
 | 
						|
 |     FreeBSD 2.2.6 | |     |    |            |             |
 | 
						|
 |         |         | |     | NetBSD 1.3.1    |           BSD/OS 3.1
 | 
						|
 |         |         | |     |    |        OpenBSD 2.3       |
 | 
						|
 |         |         | |     | NetBSD 1.3.2    |             |
 | 
						|
 |     FreeBSD 2.2.7 | |     |    |            |             |
 | 
						|
 |         |         | |     |    |            |           BSD/OS 4.0
 | 
						|
 |         v         | |     |    |            |             |
 | 
						|
 |     FreeBSD 2.2.8 | |     |    |            |             |
 | 
						|
 |                   | |     |    |        OpenBSD 2.4       |
 | 
						|
FreeBSD 3.0 <--------* |     |    v            |             |
 | 
						|
 |                     |     | NetBSD 1.3.3    |             |
 | 
						|
 *---FreeBSD 3.1       |     |                 |             |
 | 
						|
 |       |             |     |                 |           BSD/OS 4.0.1
 | 
						|
 |   FreeBSD 3.2----*  |  NetBSD 1.4       OpenBSD 2.5       |
 | 
						|
 |       |          |  |  |  |    |            |             |
 | 
						|
 |       |          |  |  |  |    |            |             |
 | 
						|
 |       |          |  |  |  |    |            |             |
 | 
						|
 |   FreeBSD 3.3    |  |  |  | NetBSD 1.4.1    |             |
 | 
						|
 |       |          |  |  |  |    |        OpenBSD 2.6       |
 | 
						|
 |   FreeBSD 3.4    |  |  |  |    |            |             |
 | 
						|
 |           |      |  |  |  |    |            |           BSD/OS 4.1
 | 
						|
FreeBSD 4.0  |      |  |  |  | NetBSD 1.4.2    |             |
 | 
						|
 |           |      |  |  |  |    |            |             |
 | 
						|
 |           |      |  |  |  |    |            |             |
 | 
						|
 |   FreeBSD 3.5    |  |  |  |    |        OpenBSD 2.7       |
 | 
						|
 |           |      |  |  |  |    |            |             |
 | 
						|
 |   FreeBSD 3.5.1  |  |  |  |    |            |             |
 | 
						|
 |                  |  |  |  |    |            |             |
 | 
						|
 *---FreeBSD 4.1    |  |  |  |    |            |             |
 | 
						|
 |      |           |  | (?) |    |            |             |
 | 
						|
 |   FreeBSD 4.1.1  |  |  /  |    |            |             |
 | 
						|
 |      |           |  | /   |    |            |             |
 | 
						|
 |   FreeBSD 4.2   Darwin/   | NetBSD 1.4.3    |             |
 | 
						|
 |      |         Mac OS X   |             OpenBSD 2.8     BSD/OS 4.2
 | 
						|
 |      |             |      |                 |             |
 | 
						|
 |      |             |      |                 |             |
 | 
						|
 |      |           10.0  NetBSD 1.5           |             |
 | 
						|
 |   FreeBSD 4.3      |      |    |            |             |
 | 
						|
 |      |             |      |    |        OpenBSD 2.9       |
 | 
						|
 |      |             |      | NetBSD 1.5.1    |             |
 | 
						|
 |      |             |      |    |            |             |
 | 
						|
 |   FreeBSD 4.4-.    |      | NetBSD 1.5.2    |             |
 | 
						|
 |      |        | Mac OS X  |    |            |             |
 | 
						|
 |      |        |   10.1    |    |        OpenBSD 3.0       |
 | 
						|
 |   FreeBSD 4.5 |    |      |    |            |             |
 | 
						|
 |      |         \   |      |    |            |           BSD/OS 4.3
 | 
						|
 |   FreeBSD 4.6   \  |      |    |        OpenBSD 3.1       |
 | 
						|
 |      |           \ |      | NetBSD 1.5.3    |             |
 | 
						|
 |   FreeBSD 4.6.2 Mac OS X  |                 |             |
 | 
						|
 |      |            10.2    |                 |             |
 | 
						|
 |   FreeBSD 4.7      |      |                 |             |
 | 
						|
 |      |             |   NetBSD 1.6       OpenBSD 3.2       |
 | 
						|
 |   FreeBSD 4.8      |      |    |            |             |
 | 
						|
 |      |             |      | NetBSD 1.6.1    |             |
 | 
						|
 |      |--------.    |      |    |        OpenBSD 3.3     BSD/OS 5.0
 | 
						|
 |      |         \   |      |    |            |             |
 | 
						|
 |   FreeBSD 4.9   |  |      |    |        OpenBSD 3.4     BSD/OS 5.1 ISE
 | 
						|
 |      |          |  |      |    |            |
 | 
						|
 |      |          |  |      | NetBSD 1.6.2    |
 | 
						|
 |      |          |  |      |    |            |
 | 
						|
 |      |          |  |      |    |        OpenBSD 3.5
 | 
						|
 |      |          |  |      |    v            |
 | 
						|
 |   FreeBSD 4.10  |  |      |                 |
 | 
						|
 |      |          |  |      |                 |
 | 
						|
 |   FreeBSD 4.11  |  |      |                 |
 | 
						|
 |                 |  |      |                 |
 | 
						|
 |                  `-|------|-----------------|---------------------.
 | 
						|
 |                    |      |                 |                      \
 | 
						|
FreeBSD 5.0           |      |                 |                       |
 | 
						|
 |                    |      |                 |                       |
 | 
						|
FreeBSD 5.1           |      |                 |                 DragonFly 1.0
 | 
						|
 |          \         |      |                 |                       |
 | 
						|
 |           ----- Mac OS X  |                 |                       |
 | 
						|
 |                   10.3    |                 |                       |
 | 
						|
FreeBSD 5.2           |      |                 |                       |
 | 
						|
 |      |             |      |                 |                       |
 | 
						|
 |   FreeBSD 5.2.1    |      |                 |                       |
 | 
						|
 |                    |      |                 |                       |
 | 
						|
 *-------FreeBSD 5.3  |      |                 |                       |
 | 
						|
 |           |        |      |             OpenBSD 3.6                 |
 | 
						|
 |           |        |   NetBSD 2.0           |                       |
 | 
						|
 |           |        |      | |  |            |                DragonFly 1.2.0
 | 
						|
 |           |     Mac OS X  | | NetBSD 2.0.2  |                       |
 | 
						|
 |           |       10.4    | |  |            |                       |
 | 
						|
 |       FreeBSD 5.4  |      | |  |            |                       |
 | 
						|
 |           |        |      | |  |        OpenBSD 3.7                 |
 | 
						|
 |           |        |      | | NetBSD 2.0.3  |                       |
 | 
						|
 |           |        |      | |  |            |                       |
 | 
						|
 *--FreeBSD  |        |      | |  v        OpenBSD 3.8                 |
 | 
						|
 |    6.0    |        |      | |               |                       |
 | 
						|
 |     |     |        |      |  \              |                       |
 | 
						|
 |     |     |        |      | NetBSD 2.1      |                       |
 | 
						|
 |     |     |        |      |                 |                       |
 | 
						|
 |     |     |        |   NetBSD 3.0           |                       |
 | 
						|
 |     |     |        |      | |  |            |                DragonFly 1.4.0
 | 
						|
 |     |     |        |      | |  |        OpenBSD 3.9                 |
 | 
						|
 |  FreeBSD  |        |      | |  |            |                       |
 | 
						|
 |    6.1    |        |      | |  |            |                       |
 | 
						|
 |     |  FreeBSD 5.5 |      | |  |            |                       |
 | 
						|
 |     |              |      | | NetBSD 3.0.1  |                DragonFly 1.6.0
 | 
						|
 |     |              |      | |  |            |                       |
 | 
						|
 |     |              |      | |  |        OpenBSD 4.0                 |
 | 
						|
 |     |              |      | | NetBSD 3.0.2  |                       |
 | 
						|
 |     |              |      | NetBSD 3.1      |                       |
 | 
						|
 | FreeBSD 6.2        |      |                 |                       |
 | 
						|
 |     |              |      |                 |                DragonFly 1.8.0
 | 
						|
 |     |              |      |             OpenBSD 4.1                 |
 | 
						|
 |     |              |      |                 |                DragonFly 1.10.0
 | 
						|
 |     |           Mac OS X  |                 |                       |
 | 
						|
 |     |             10.5    |                 |                       |
 | 
						|
 |     |              |      |             OpenBSD 4.2                 |
 | 
						|
 |     |              |   NetBSD 4.0           |                       |
 | 
						|
 | FreeBSD 6.3        |      |                 |                       |
 | 
						|
 |            \       |      |                 |                       |
 | 
						|
 *--FreeBSD    |      |      |                 |                DragonFly 1.12.0
 | 
						|
 |    7.0      |      |      |                 |                       |
 | 
						|
 |     |       |      |      |             OpenBSD 4.3                 |
 | 
						|
 |     |       |      |      |                 |                DragonFly 2.0.0
 | 
						|
 |     |    FreeBSD   |      |             OpenBSD 4.4                 |
 | 
						|
 |     |      6.4     |      |                 |                       |
 | 
						|
 |     |              |      |                 |                       |
 | 
						|
 |  FreeBSD 7.1       |      |                 |                       |
 | 
						|
 |     |              |      |                 |                DragonFly 2.2.0
 | 
						|
 |  FreeBSD 7.2       |   NetBSD 5.0       OpenBSD 4.5                 |
 | 
						|
 |             \      |      |    |            |                       |
 | 
						|
 |              |  Mac OS X  |    |            |                       |
 | 
						|
 |              |    10.6    |    |            |                       |
 | 
						|
 |              |     |      |    |            |                DragonFly 2.4.0
 | 
						|
 |              |     |      |    |        OpenBSD 4.6                 |
 | 
						|
 |              |     |      |    |            |                       |
 | 
						|
 *--FreeBSD     |     |      |    |            |                       |
 | 
						|
 |    8.0       |     |      |    |            |                       |
 | 
						|
 |     |     FreeBSD  |      |    |            |                       |
 | 
						|
 |     |       7.3    |      |    |            |                DragonFly 2.6.0
 | 
						|
 |     |        |     |      |    |        OpenBSD 4.7                 |
 | 
						|
 |  FreeBSD     |     |      |    |            |                       |
 | 
						|
 |    8.1       |     |      |    |            |                       |
 | 
						|
 |     |        |     |      |    |            |                DragonFly 2.8.2
 | 
						|
 |     |        |     |      |    |        OpenBSD 4.8                 |
 | 
						|
 |     |        |     |      | NetBSD 5.1      |                       |
 | 
						|
 |  FreeBSD  FreeBSD  |      |                 |                       |
 | 
						|
 |    8.2      7.4    |      |                 |               DragonFly 2.10.1
 | 
						|
 |     v              |      |             OpenBSD 4.9                 |
 | 
						|
 |                 Mac OS X  |                 |                       |
 | 
						|
 |                   10.7    |                 |                       |
 | 
						|
 |                    |      |             OpenBSD 5.0                 |
 | 
						|
 +--FreeBSD           |      |                 |                       |
 | 
						|
 |    9.0             |      |                 |                       |
 | 
						|
 |     v              |      |                 |                       |
 | 
						|
 |                    |      |                 |                       |
 | 
						|
FreeBSD 10 -current   |  NetBSD -current  OpenBSD -current             |
 | 
						|
 |                    |      |                 |                       |
 | 
						|
 v                    v      v                 v                       v
 | 
						|
 | 
						|
Time
 | 
						|
----------------
 | 
						|
 | 
						|
Time tolerance +/- 6 months, depending on which book/article you read; if it
 | 
						|
was the announcement in Usenet or if it was available as tape.
 | 
						|
 | 
						|
[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
 | 
						|
	and John Quarterman. The Design and Implementation of
 | 
						|
	the 4.4BSD Operating System.
 | 
						|
[APL] Apple website [http://www.apple.com/macosx/]
 | 
						|
[BSDI] Berkeley Software Design, Inc.
 | 
						|
[DFB] DragonFlyBSD Project, The.
 | 
						|
[DOC] README, COPYRIGHT on tape.
 | 
						|
[FBD] FreeBSD Project, The.
 | 
						|
[KB]  Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
 | 
						|
	Volume 11, Info 4, April, 1987.
 | 
						|
[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
 | 
						|
	comp.bugs.4bsd.ucb-fixes, June 15, 1988.
 | 
						|
[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
 | 
						|
	Changes in the Kernel in 2.9BSD. Second Berkeley Software
 | 
						|
	Distribution UNIX Version 2.9, July, 1983.
 | 
						|
[NBD] NetBSD Project, The.
 | 
						|
[OBD] OpenBSD Project, The.
 | 
						|
[QCU] Salus, Peter H. A quarter century of UNIX.
 | 
						|
[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
 | 
						|
[TUHS] The Unix Historical Society.  http://minnie.tuhs.org/Unix_History/.
 | 
						|
[USE] Usenet announcement.
 | 
						|
[WRS] Wind River Systems, Inc.
 | 
						|
[dmr] Dennis Ritchie, via E-Mail
 | 
						|
 | 
						|
Multics                 1965
 | 
						|
UNIX                    Summer 1969
 | 
						|
				DEC PDP-7
 | 
						|
First   Edition         1971-11-03 [QCU]
 | 
						|
				DEC PDP-11/20, Assembler
 | 
						|
Second  Edition         1972-06-12 [QCU]
 | 
						|
				10 UNIX installations
 | 
						|
Third   Edition         1973-02-xx [QCU]
 | 
						|
				Pipes, 16 installations
 | 
						|
Fourth  Edition         1973-11-xx [QCU]
 | 
						|
				rewriting in C effected,
 | 
						|
                                above 30 installations
 | 
						|
Fifth   Edition         1974-06-xx [QCU]
 | 
						|
				above 50 installations
 | 
						|
Sixth   Edition         1975-05-xx [QCU]
 | 
						|
				port to DEC Vax
 | 
						|
Seventh Edition         1979-01-xx [QCU]
 | 
						|
				first portable UNIX
 | 
						|
Eighth  Edition         1985-02-xx [QCU]
 | 
						|
				VAX 11/750, VAX 11/780 [dmr]
 | 
						|
				descended from 4.1c BSD [dmr]
 | 
						|
				descended from 4.1 BSD [44B]
 | 
						|
			scooping-out and replacement of the character-device
 | 
						|
			and networking part by the streams mechanism
 | 
						|
 | 
						|
Ninth   Edition         1986-09-xx [QCU]
 | 
						|
Tenth   Edition         1989-10-xx [QCU]
 | 
						|
 | 
						|
1BSD                    late 1977
 | 
						|
			1978-03-09 [QCU]
 | 
						|
				PDP-11, Pascal, ex(1)
 | 
						|
				30 free copies of 1BSD sent out
 | 
						|
				35 tapes sold for 50 USD [QCU]
 | 
						|
2BSD                    mid 1978 [QCU] 1979-05-10 [TUHS]
 | 
						|
				75 2BSD tapes shipped
 | 
						|
2.79BSD			1980-04-xx [TUHS]
 | 
						|
2.8BSD			1981-07-xx [KSJ]
 | 
						|
 | 
						|
2.8.1BSD		1982-01-xx [QCU]
 | 
						|
				set of performance improvements
 | 
						|
2.9BSD			1983-07-xx [KSJ]
 | 
						|
2.9.1BSD                1983-11-xx [TUHS]
 | 
						|
2.9BSD-Seismo		1985-08-xx [SMS]
 | 
						|
2.10BSD			1987-04-xx [KKK]
 | 
						|
2.10.1BSD		1989-01-xx [SMS]
 | 
						|
2.11BSD			1992-02-xx [SMS]
 | 
						|
2.11BSD rev #430	1999-12-13 [SMS]
 | 
						|
 | 
						|
32V			1978-1[01]-xx [QCU]
 | 
						|
3BSD                    late 1979 [QCU] March 1980 [TUHS]
 | 
						|
				virtual memory, page replacement,
 | 
						|
                        	demand paging
 | 
						|
4.0BSD                  1980-10-xx
 | 
						|
4.1BSD                  1981-07-08 [DOC]
 | 
						|
4.1aBSD                 1982-04-xx
 | 
						|
				alpha release, 100 sites, networking [44B]
 | 
						|
4.1bBSD				internal release, fast filesystem [44B]
 | 
						|
4.1cBSD                 late 1982
 | 
						|
				beta release, IPC [44B]
 | 
						|
4.2BSD                  1983-09-xx [QCU]
 | 
						|
                        1983-08-03 [DOC]
 | 
						|
4.3BSD                  1986-06-xx [QCU]
 | 
						|
			1986-04-05 [KB], [DOC]
 | 
						|
4.3BSD Tahoe            1988-06-15 [QCU], [DOC]
 | 
						|
4.3BSD NET/1            1988-11-xx [QCU]
 | 
						|
                        1989-01-01 [DOC]
 | 
						|
4.3BSD Reno             1990-06-29 [QCU], [DOC]
 | 
						|
4.3BSD NET/2            1991-06-28 [QCU], [DOC]
 | 
						|
 | 
						|
BSD/386 ALPHA		1991-12-xx [BSDI]
 | 
						|
				first code released to people outside BSDI
 | 
						|
386BSD 0.0              1992-02-xx [DOC]
 | 
						|
BSD/386 0.3.1	        1992-04-xx [BSDI] first ext. beta; B customers
 | 
						|
BSD/386 0.3.3		1992-06-xx [BSDI] first CDROM version
 | 
						|
386BSD 0.1              1992-07-28 [DOC]
 | 
						|
4.4BSD Alpha            1992-07-07
 | 
						|
BSD/386 0.9.3		1992-10-xx [BSDI]
 | 
						|
				first external gamma; G customers
 | 
						|
BSD/386 0.9.4		1992-12-xx [BSDI]
 | 
						|
				would have been 1.0 except for request
 | 
						|
				for preliminary injunction
 | 
						|
BSD/386 1.0 		1993-03-xx [BSDI]
 | 
						|
				injunction denied; first official release
 | 
						|
NetBSD 0.8              1993-04-20 [NBD]
 | 
						|
4.4BSD                  1993-06-01 [USE]
 | 
						|
NetBSD 0.9              1993-08-23 [NBD]
 | 
						|
FreeBSD 1.0		1993-11-01 [FBD]
 | 
						|
FreeBSD 1.0.2		1993-11-14 [FBD]
 | 
						|
				supersedes 1.0 13 days after release.
 | 
						|
BSD/386 1.1		1994-02-xx [BSDI]
 | 
						|
4.4BSD Lite             1994-03-01 [USE]
 | 
						|
FreeBSD 1.1		1994-05-07 [FBD]
 | 
						|
FreeBSD 1.1.5		1994-06-30 [FBD]
 | 
						|
FreeBSD 1.1.5.1		1994-07-05 [FBD]
 | 
						|
				supersedes 1.1.5 5 days after release.
 | 
						|
NetBSD 1.0              1994-10-26 [NBD]
 | 
						|
386BSD 1.0              1994-11-12 [USE]
 | 
						|
FreeBSD 2.0		1994-11-23 [FBD]
 | 
						|
BSD/OS 2.0		1995-01-xx [BSDI] 4.4 lite based
 | 
						|
FreeBSD 2.0.5		1995-06-10 [FBD]
 | 
						|
BSD/OS 2.0.1		1995-06-xx [BSDI]
 | 
						|
4.4BSD Lite Release 2	1995-06-xx [44B]
 | 
						|
				the true final distribution from the CSRG
 | 
						|
FreeBSD 2.1.0		1995-11-19 [FBD]
 | 
						|
NetBSD 1.1              1995-11-26 [NBD]
 | 
						|
BSD/OS 2.1		1996-01-xx [BSDI]
 | 
						|
FreeBSD 2.1.5		1996-07-14 [FBD]
 | 
						|
NetBSD 1.2              1996-10-04 [NBD]
 | 
						|
OpenBSD 2.0             1996-10-18 [OBD]
 | 
						|
FreeBSD 2.1.6		1996-11-16 [FBD]
 | 
						|
FreeBSD 2.1.6.1		1996-11-25 [FBD] (sendmail security release)
 | 
						|
Rhapsody		1997-xx-xx
 | 
						|
FreeBSD 2.1.7		1997-02-20 [FBD]
 | 
						|
BSD/OS 3.0		1997-02-xx [BSDI] 4.4 lite2 based
 | 
						|
FreeBSD 2.2.0		1997-03-16 [FBD]
 | 
						|
FreeBSD 2.2.1		1997-03-25 [FBD]
 | 
						|
FreeBSD 2.2.2		1997-05-16 [FBD]
 | 
						|
NetBSD 1.2.1            1997-05-20 [NBD] (patch release)
 | 
						|
OpenBSD 2.1             1997-06-01 [OBD]
 | 
						|
FreeBSD 2.2.5		1997-10-22 [FBD]
 | 
						|
OpenBSD 2.2             1997-12-01 [OBD]
 | 
						|
NetBSD 1.3              1998-01-04 [NBD]
 | 
						|
FreeBSD 2.2.6		1998-03-25 [FBD]
 | 
						|
NetBSD 1.3.1            1998-03-09 [NBD] (patch release)
 | 
						|
BSD/OS 3.1		1998-03-xx [BSDI]
 | 
						|
OpenBSD 2.3             1998-05-19 [OBD]
 | 
						|
NetBSD 1.3.2            1998-05-29 [NBD] (patch release)
 | 
						|
FreeBSD 2.2.7		1998-07-22 [FBD]
 | 
						|
BSD/OS 4.0		1998-08-xx [BSDI]
 | 
						|
				2-lock MP support, ELF executables
 | 
						|
FreeBSD 3.0		1998-10-16 [FBD]
 | 
						|
				FreeBSD-3.0 is a snapshot from -current,
 | 
						|
				while 3.1 and 3.2 are from 3.x-stable which
 | 
						|
				was branched quite some time after 3.0-release
 | 
						|
FreeBSD 2.2.8           1998-11-29 [FBD]
 | 
						|
OpenBSD 2.4             1998-12-01 [OBD]
 | 
						|
NetBSD 1.3.3            1998-12-23 [NBD] (patch release)
 | 
						|
FreeBSD 3.1		1999-02-15 [FBD]
 | 
						|
BSD/OS 4.0.1		1999-03-xx [BSDI]
 | 
						|
NetBSD 1.4              1999-05-12 [NBD]
 | 
						|
FreeBSD 3.2             1999-05-17 [FBD]
 | 
						|
OpenBSD 2.5             1999-05-19 [OBD]
 | 
						|
NetBSD 1.4.1            1999-08-26 [NBD] (patch release)
 | 
						|
FreeBSD 3.3             1999-09-17 [FBD]
 | 
						|
OpenBSD 2.6             1999-12-01 [OBD]
 | 
						|
FreeBSD 3.4             1999-12-20 [FBD]
 | 
						|
BSD/OS 4.1		1999-12-xx [BSDI]
 | 
						|
FreeBSD 4.0             2000-03-13 [FBD]
 | 
						|
NetBSD 1.4.2            2000-03-19 [NBD] (patch release)
 | 
						|
OpenBSD 2.7             2000-06-15 [OBD]
 | 
						|
FreeBSD 3.5		2000-06-24 [FBD]
 | 
						|
FreeBSD 4.1		2000-07-27 [FBD]
 | 
						|
FreeBSD 3.5.1		2000-07-28 [FBD]
 | 
						|
FreeBSD 4.1.1		2000-09-25 [FBD] (a network-only patch release)
 | 
						|
FreeBSD 4.2  		2000-11-21 [FBD]
 | 
						|
NetBSD 1.4.3		2000-11-25 [NBD] (patch release)
 | 
						|
BSD/OS 4.2		2000-11-29 [BSDI]
 | 
						|
OpenBSD 2.8		2000-12-01 [OBD]
 | 
						|
NetBSD 1.5              2000-12-06 [NBD]
 | 
						|
Mac OS X 10.0           2001-03-24 [APL]
 | 
						|
FreeBSD 4.3  		2001-04-20 [FBD]
 | 
						|
OpenBSD 2.9  		2001-06-01 [OBD]
 | 
						|
NetBSD 1.5.1		2001-07-11 [NBD] (patch release)
 | 
						|
NetBSD 1.5.2		2001-09-13 [NBD] (patch release)
 | 
						|
FreeBSD 4.4  		2001-09-18 [FBD]
 | 
						|
Mac OS X 10.1		2001-09-29 [APL]
 | 
						|
OpenBSD 3.0		2001-12-01 [OBD]
 | 
						|
FreeBSD 4.5  		2002-01-29 [FBD]
 | 
						|
BSD/OS 4.3		2002-03-14 [WRS]
 | 
						|
OpenBSD 3.1		2002-05-19 [OBD]
 | 
						|
FreeBSD 4.6  		2002-06-15 [FBD]
 | 
						|
NetBSD 1.5.3		2002-07-22 [NBD] (patch release)
 | 
						|
FreeBSD 4.6.2		2002-08-15 [FBD] (patch release)
 | 
						|
Mac OS X 10.2		2002-08-23 [APL]
 | 
						|
NetBSD 1.6		2002-09-14 [NBD]
 | 
						|
FreeBSD 4.7		2002-10-08 [FBD]
 | 
						|
OpenBSD 3.2		2002-11-01 [OBD]
 | 
						|
FreeBSD 5.0		2003-01-17 [FBD]
 | 
						|
				FreeBSD 5.0 is a separate branch off of
 | 
						|
				-current, similar to 3.0.
 | 
						|
FreeBSD 4.8		2003-04-03 [FBD]
 | 
						|
NetBSD 1.6.1		2003-04-21 [NBD] (patch release)
 | 
						|
OpenBSD 3.3		2003-05-01 [OBD]
 | 
						|
BSD/OS 5.0		2003-05-?? [WRS]
 | 
						|
FreeBSD 5.1		2003-06-09 [FBD]
 | 
						|
Mac OS X 10.3		2003-10-24 [APL]
 | 
						|
FreeBSD 4.9		2003-10-28 [FBD]
 | 
						|
BSD/OS 5.1 ISE		2003-10-?? [WRS] (final version)
 | 
						|
OpenBSD 3.4		2003-11-01 [OBD]
 | 
						|
FreeBSD 5.2		2004-01-12 [FBD]
 | 
						|
FreeBSD 5.2.1		2004-02-22 [FBD] (patch release)
 | 
						|
NetBSD 1.6.2		2004-03-01 [NBD] (patch release)
 | 
						|
OpenBSD 3.5		2004-04-01 [OBD]
 | 
						|
FreeBSD 4.10		2004-05-27 [FBD]
 | 
						|
DragonFly 1.0		2004-07-12 [DFB]
 | 
						|
OpenBSD 3.6		2004-10-29 [OBD]
 | 
						|
FreeBSD 5.3		2004-11-06 [FBD]
 | 
						|
NetBSD 2.0		2004-12-09 [NBD]
 | 
						|
FreeBSD 4.11		2005-01-25 [FBD]
 | 
						|
DragonFly 1.2.0		2005-04-08 [DFB]
 | 
						|
NetBSD 2.0.2		2005-04-14 [NBD] (security/critical release)
 | 
						|
Mac OS X 10.4		2005-04-29 [APL]
 | 
						|
FreeBSD 5.4		2005-05-09 [FBD]
 | 
						|
OpenBSD 3.7		2005-05-19 [OBD]
 | 
						|
NetBSD 2.0.3		2005-10-31 [NBD] (security/critical release)
 | 
						|
OpenBSD 3.8		2005-11-01 [OBD]
 | 
						|
FreeBSD 6.0		2005-11-01 [FBD]
 | 
						|
NetBSD 2.1		2005-11-02 [NBD]
 | 
						|
NetBSD 3.0		2005-12-23 [NBD]
 | 
						|
DragonFly 1.4.0		2006-01-08 [DFB]
 | 
						|
OpenBSD 3.9		2006-05-01 [OBD]
 | 
						|
FreeBSD 6.1		2006-05-08 [FBD]
 | 
						|
FreeBSD 5.5		2006-05-25 [FBD]
 | 
						|
NetBSD 3.0.1		2006-07-24 [NBD] (security/critical release)
 | 
						|
DragonFly 1.6.0		2006-07-24 [DFB]
 | 
						|
OpenBSD 4.0		2006-11-01 [OBD]
 | 
						|
NetBSD 3.0.2		2006-11-04 [NBD] (security/critical release)
 | 
						|
NetBSD 3.1		2006-11-04 [NBD]
 | 
						|
FreeBSD 6.2		2007-01-15 [FBD]
 | 
						|
DragonFly 1.8.0		2007-01-30 [DFB]
 | 
						|
OpenBSD 4.1		2007-05-01 [OBD]
 | 
						|
DragonFly 1.10.0	2007-08-06 [DFB]
 | 
						|
Mac OS X 10.5		2007-10-26 [APL]
 | 
						|
OpenBSD 4.2		2007-11-01 [OBD]
 | 
						|
NetBSD 4.0		2007-12-19 [NBD]
 | 
						|
FreeBSD 6.3		2008-01-18 [FBD]
 | 
						|
DragonFly 1.12.0	2008-02-26 [DFB]
 | 
						|
FreeBSD 7.0		2008-02-27 [FBD]
 | 
						|
OpenBSD 4.3		2008-05-01 [OBD]
 | 
						|
DragonFly 2.0.0		2008-07-21 [DFB]
 | 
						|
OpenBSD 4.4		2008-11-01 [OBD]
 | 
						|
FreeBSD 6.4		2008-11-28 [FBD]
 | 
						|
FreeBSD 7.1		2009-01-04 [FBD]
 | 
						|
DragonFly 2.2.0		2009-02-17 [DFB]
 | 
						|
NetBSD 5.0		2009-04-29 [NBD]
 | 
						|
OpenBSD 4.5		2009-05-01 [OBD]
 | 
						|
FreeBSD 7.2		2009-05-04 [FBD]
 | 
						|
Mac OS X 10.6		2009-06-08 [APL]
 | 
						|
DragonFly 2.4.0		2009-09-16 [DFB]
 | 
						|
OpenBSD 4.6		2009-10-18 [OBD]
 | 
						|
FreeBSD 8.0		2009-11-26 [FBD]
 | 
						|
FreeBSD 7.3		2010-03-23 [FBD]
 | 
						|
DragonFly 2.6.0		2010-03-28 [DFB]
 | 
						|
OpenBSD 4.7		2010-05-19 [OBD]
 | 
						|
FreeBSD 8.1		2010-07-24 [FBD]
 | 
						|
DragonFly 2.8.2		2010-10-30 [DFB]
 | 
						|
OpenBSD 4.8		2010-11-01 [OBD]
 | 
						|
NetBSD 5.1		2010-11-19 [NBD]
 | 
						|
FreeBSD 7.4		2011-02-24 [FBD]
 | 
						|
FreeBSD 8.2		2011-02-24 [FBD]
 | 
						|
DragonFly 2.10.1	2011-04-26 [DFB]
 | 
						|
OpenBSD 4.9		2011-05-01 [OBD]
 | 
						|
Mac OS X 10.7		2011-07-20 [APL]
 | 
						|
OpenBSD 5.0		2011-11-01 [OBD]
 | 
						|
FreeBSD 9.0		2012-01-12 [FBD]
 | 
						|
 | 
						|
Bibliography
 | 
						|
------------------------
 | 
						|
 | 
						|
Leffler, Samuel J., Marshall Kirk McKusick, Michael J Karels and John
 | 
						|
Quarterman. The Design and Implementation of the 4.3BSD UNIX Operating
 | 
						|
System. Reading, Mass. Addison-Wesley, 1989. ISBN 0-201-06196-1
 | 
						|
 | 
						|
Salus, Peter H. A quarter century of UNIX. Addison-Wesley Publishing
 | 
						|
Company, Inc., 1994. ISBN 0-201-54777-5
 | 
						|
 | 
						|
McKusick, Marshall Kirk, Keith Bostic, Michael J Karels, and John
 | 
						|
Quarterman. The Design and Implementation of the 4.4BSD Operating
 | 
						|
System. Reading, Mass. Addison-Wesley, 1996. ISBN 0-201-54979-4
 | 
						|
 | 
						|
McKusick, Marshall Kirk, George Neville-Neil. The Design and
 | 
						|
Implementation of the FreeBSD Operating System.
 | 
						|
Addison-Wesley Professional, Published: Aug 2, 2004. ISBN 0-201-70245-2
 | 
						|
 | 
						|
Doug McIlroy. Research Unix Reader.
 | 
						|
 | 
						|
Michael G. Brown. The Role of BSD in the Development of Unix.
 | 
						|
Presented to the Tasmanian Unix Special Interest Group of the
 | 
						|
Australian Computer Society, Hobart, August 1993.
 | 
						|
 | 
						|
Peter H. Salus. Unix at 25. Byte Magazine, October 1994.
 | 
						|
URL: http://www.byte.com/art/9410/sec8/art3.htm
 | 
						|
 | 
						|
Andreas Klemm, Lars Köller. If you're going to San Francisco ...
 | 
						|
Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
 | 
						|
 | 
						|
BSD Release Announcements collection.
 | 
						|
URL: http://www.FreeBSD.org/releases/
 | 
						|
 | 
						|
BSD Hypertext Man Pages
 | 
						|
URL: http://www.FreeBSD.org/cgi/man.cgi
 | 
						|
 | 
						|
UNIX history graphing project
 | 
						|
URL: http://minnie.tuhs.org/Unix_History/index.html
 | 
						|
 | 
						|
UNIX history
 | 
						|
URL: http://www.levenez.com/unix/
 | 
						|
 | 
						|
James Howard: The BSD Family Tree
 | 
						|
URL: http://ezine.daemonnews.org/200104/bsd_family.html
 | 
						|
("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
 | 
						|
 | 
						|
 | 
						|
Acknowledgments
 | 
						|
---------------
 | 
						|
 | 
						|
Josh Gilliam for suggestions, bug fixes, and finding very old
 | 
						|
original BSD announcements from Usenet or tapes.
 | 
						|
 | 
						|
Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
 | 
						|
 | 
						|
--
 | 
						|
Copyright (c) 1997-2012 Wolfram Schneider <wosch@FreeBSD.ORG>
 | 
						|
URL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree
 | 
						|
 | 
						|
$FreeBSD: src/share/misc/bsd-family-tree,v 1.150 2012/01/13 06:18:23 maxim Exp $
 |