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Wolfram Schneider 419766671c Misspelt Eighth Edition. 
The Eighth Edition is *not* descended from the Seventh Edition.

Submitted by: Greg Lehey <grog@lemis.com>
              and Dennis Ritchie

Here's a quote from Dennis Ritchie, posted to Warren Toomey:
[January 1999]
----- Forwarded message from dmr -----

I also got mail from Norman Wilson today about the discussion.

This is mainly to confirm and fill out details of Wilson's account.

The Eighth Edition system started with (I believe) BSD 4.1c and
the work was done on VAX 11/750s -- our group did not get
a 780 until a while later.

Most of the operating system superstructure of BSD was retained
(in particular no one (even the indefatigable Norman)
wanted to get much into the paging code.  Norman is also
right that the competitor was John Reiser's (and Tom London's)
32V descendant from another group at the Labs.  In structure
this system had a lot to offer (in particular the buffer cache and the page
pool were unified, but it was clear that their work was not being
supported by their own management.  It was used for a while on
our first 750 and also our first 11/780 ("alice", a name that lives
in netnews fame preceding  the reach of Dejanews).

The big change leading to V8 was the scooping-out and replacement of
the character-device and networking part by the streams mechanism.  Later,
Peter Weinberger added the file-system switch that enabled
remote file systems and prescient things ideas like /proc).  Weinberger,
as Norman said, also did a simple-minded FFS.

The TCP/IP stack wasn't very important to us then and it has a mixed and
murky history.  Much of it came from early CSRG work, but it was converted
to a streams approach by Robert Morris and subsequently fiddled over a lot.

Likewise, as Norman said, the applications (/bin and whatnot) were somewhat
of a mixture.  Many were the locally-done versions, some were taken
from BSD in some incarnation, some from System V.

        Dennis

----- End of forwarded message from dmr -----
1999-01-15 17:21:39 +00:00

289 lines
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Raw Blame History

The Unix system family tree / BSD history chart
-----------------------------------------------
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 2.7.9BSD
| |
*------ 4.1BSD --------------> 2.8BSD
/ | |
Eighth Edition | 2.8.1BSD
| | |
| 4.1aBSD -----------\ |
| | \ |
| 4.1bBSD \ |
| | \ |
| 4.1cBSD --------------> 2.9BSD
| | |
| | 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 #366
4.3BSD NET/1 |
| v
4.3BSD Reno
|
*---------- 4.3BSD NET/2 -------------------+-------------*
| | | |
386BSD 0.0 | | |
| | | |
386BSD 0.1 ------------>+ | BSDI 1.0
| \ | 4.4BSD Alpha |
| 386BSD 1.0 | | |
| | 4.4BSD |
| | / | |
| | 4.4BSD-Encumbered | |
| | | |
| | | |
FreeBSD 1.0 NetBSD 0.8 | |
| | ------ 4.4BSD Lite --> BSDI 2.0
FreeBSD 1.1 NetBSD 0.9 / | |
| | / | BSDI 2.0.1
FreeBSD 1.1.5 | / | |
| | / 4.4BSD Lite2 -> BSDI 2.1
FreeBSD 1.1.5.1 | / / | | \ |
| | / / | | \ |
| | / / | | -BSDI 3.0
FreeBSD 2.0 <---------------+ FreeBSD 3.0 | | |
| | / NetBSD 1.3 | v
FreeBSD 2.0.5 NetBSD 1.0 OpenBSD 2.3
| |
| |
FreeBSD 2.1 |
| | |
| FreeBSD 2.1.5 \
| | |
| FreeBSD 2.1.6 NetBSD 1.1 ------*
| | | |
| FreeBSD 2.1.6.1 | OpenBSD
| | NetBSD 1.2 |
| FreeBSD 2.1.7 | OpenBSD 2.0
| | NetBSD 1.2.1 |
| FreeBSD 2.1.7.1 | |
| | OpenBSD 2.1
| NetBSD 1.3 |
*-FreeBSD 2.2 | OpenBSD 2.2
| | NetBSD 1.3.1 |
| FreeBSD 2.2.1 | OpenBSD 2.3
| | NetBSD 1.3.2 |
| FreeBSD 2.2.2 | OpenBSD 2.4
| | NetBSD 1.3.3 |
| FreeBSD 2.2.5 | v
| | v
| v
| FreeBSD 2.2.6
| |
| v
| FreeBSD 2.2.7
| |
| v
| FreeBSD 2.2.8
|
|
FreeBSD 3.0
|
FreeBSD 3.1
|
v
Time
----------------
Time tolerance +/- 6 month, depend 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.
[DOC] README, COPYRIGHT on tape.
[QCU] Salus, Peter H. A quarter century of UNIX.
[U25] Peter H. Salus. Unix at 25.
[USE] Usenet announcement.
[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.
[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.
[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
[FBD] FreeBSD Project, The.
[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
Eight 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]
75 2BSD tapes shipped
2.7.9BSD ?? [SMS]
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
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 #366 1997-02-xx [SMS]
32V 1978-1[01]-xx [QCU]
3BSD late 1979 [QCU]
virtual memory, page replacement,
demand paging
4.0BSD 1980-10-xx
4.1BSD 1981-06-xx
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]
4.3BSD 1986-06-xx [QCU]
1986-04-xx [KB]
4.3BSD Tahoe 1988-06-xx [QCU]
4.3BSD NET/1 1988-11-xx [QCU]
4.3BSD Reno 1990-06-xx [QCU], [DOC]
4.3BSD NET/2 1991-06-xx [QCU]
386BSD 0.0 1992-02-xx [DOC]
386BSD 0.1 1992-07-xx [DOC]
4.4BSD Alpha 1992-07-07
4.4BSD 1993-06-01 [USE]
FreeBSD 1.0 1993-11-xx [FOO]
4.4BSD Lite 1994-03-01 [USE]
FreeBSD 1.1 1994-04-xx [FBD]
FreeBSD 1.1.5.1 1994-07-xx [FBD]
supercedes 1.1.5 3 days after release.
386BSD 1.0 1994-11-12 [USE]
FreeBSD 2.0 1995-01-xx [FBD]
FreeBSD 2.0.5 1995-06-xx [FBD]
4.4BSD Lite Release 2 1995-06-xx [44B]
the true final distribution from the CSRG
FreeBSD 2.1 1995-12-xx [FBD]
FreeBSD 2.1.5 1996-08-xx [FBD]
FreeBSD 2.1.6 1996-12-xx [FBD]
FreeBSD 2.1.7 1997-02-xx [FBD]
FreeBSD 2.2.1 1997-04-xx [FBD]
FreeBSD 2.2.2 1997-06-xx [FBD]
FreeBSD 2.2.5 1997-11-xx [FBD]
FreeBSD 2.2.6 1998-03-xx [FBD]
FreeBSD 2.2.7 1998-07-xx [FBD]
FreeBSD 2.2.8 1998-11-29 [FBD]
FreeBSD 3.0 1998-10-16 [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
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.
URL: http://www.dpac.tas.gov.au/~mgb/papers/bsdrole.html
Peter H. Salus. Unix at 25. Byte Magazin, October 1994.
URL: http://www.byte.com/art/9410/sec8/art3.htm
Andreas Klemm, Lars K<>ller. If you're going to San Francisco ...
Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
URL: http://www.heise.de
BSD Release Announcements collection.
URL: http://www.de.FreeBSD.ORG/de/ftp/releases/
BSD Hypertext Man Pages
http://www.freebsd.org/cgi/man.cgi
Acknowledgments
---------------
Josh Gilliam for suggestions, bugfixes, 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) 1997-1999 Wolfram Schneider <wosch@FreeBSD.ORG>
URL: ftp://ftp.freebsd.org/pub/FreeBSD/FreeBSD-current/src/share/misc/bsd-family-tree
$Date: 1999/01/12 16:14:24 $ $Revision: 1.10 $
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