2000-04-30 01:17:34 +00:00
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The UNIX system family tree: Research and BSD
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---------------------------------------------
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1997-03-31 00:06:03 +00:00
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First Edition (V1)
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Second Edition (V2)
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Third Edition (V3)
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Fourth Edition (V4)
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Fifth Edition (V5)
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Sixth Edition (V6) -----*
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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
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\ |
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\ |
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\ |
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1997-03-31 00:06:03 +00:00
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Seventh Edition (V7) |
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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
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\ |
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\ 1BSD
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32V |
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\ 2BSD---------------*
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\ / |
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\ / |
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\/ |
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3BSD |
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4.0BSD 2.7.9BSD
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2000-04-30 01:17:34 +00:00
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4.1BSD --------------> 2.8BSD
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4.1aBSD -----------\ |
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4.1bBSD \ |
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*------ 4.1cBSD --------------> 2.9BSD
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/ | |
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Eighth Edition | 2.9BSD-Seismo
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1997-04-19 20:25:36 +00:00
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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
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+----<--- 4.2BSD 2.9.1BSD
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1997-03-31 00:06:03 +00:00
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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
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+----<--- 4.3BSD -------------> 2.10BSD
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1997-03-31 00:06:03 +00:00
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| | / |
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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
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Ninth Edition | / 2.10.1BSD
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1997-03-31 00:06:03 +00:00
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| 4.3BSD Tahoe-----+ |
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| | \ |
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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
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v | 2.11BSD
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1997-04-19 20:25:36 +00:00
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Tenth Edition | |
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2000-04-11 21:02:24 +00:00
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| 2.11BSD rev #430
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1997-04-19 20:25:36 +00:00
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4.3BSD NET/1 |
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1997-03-31 00:06:03 +00:00
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4.3BSD Reno
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*---------- 4.3BSD NET/2 -------------------+-------------*
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2001-01-19 07:36:36 +00:00
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386BSD 0.0 | | BSD/386 ALPHA
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1997-03-31 00:06:03 +00:00
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2001-01-19 07:36:36 +00:00
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386BSD 0.1 ------------>+ | BSD/386 0.3.[13]
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1997-04-19 20:25:36 +00:00
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| \ | 4.4BSD Alpha |
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2001-01-19 07:36:36 +00:00
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| 386BSD 1.0 | | BSD/386 0.9.[34]
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1997-03-31 00:06:03 +00:00
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| | 4.4BSD |
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1997-04-19 20:25:36 +00:00
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| | 4.4BSD-Encumbered | |
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2001-01-19 07:36:36 +00:00
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| NetBSD 0.8 | BSD/386 1.0
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1997-04-19 20:25:36 +00:00
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2001-01-19 07:36:36 +00:00
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FreeBSD 1.0 NetBSD 0.9 | BSD/386 1.1
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2000-12-17 11:46:54 +00:00
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| | .----- 4.4BSD Lite |
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FreeBSD 1.1 | / / | \ |
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FreeBSD 1.1.5 .---|--------' / | \ |
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| / | / | \ |
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FreeBSD 1.1.5.1 / | / | \ |
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| / NetBSD 1.0 <-' | \ |
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FreeBSD 2.0 <--' | | BSD/OS 2.0
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FreeBSD 2.0.5 \ | BSD/OS 2.0.1
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2001-07-30 21:15:42 +00:00
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| .-----\------------- 4.4BSD Lite2 |
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| | .-----|------Rhapsody | | | |
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| | | | NetBSD 1.3 | | |
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| | | | OpenBSD 2.3 | |
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| | | | BSD/OS 3.0 |
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FreeBSD 2.1 | | | |
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| | | | NetBSD 1.1 ------. BSD/OS 2.1
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| FreeBSD 2.1.5 | | | \ |
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| | | | NetBSD 1.2 \ BSD/OS 3.0
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| FreeBSD 2.1.6 | | | \ OpenBSD 2.0 |
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| FreeBSD 2.1.6.1 | | | \ | |
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| FreeBSD 2.1.7 | | | | | |
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| | | | | NetBSD 1.2.1 | |
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| FreeBSD 2.1.7.1 | | | | |
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*-FreeBSD 2.2 | | | | |
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| FreeBSD 2.2.1 | | | | |
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| FreeBSD 2.2.2 | | | OpenBSD 2.1 |
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| FreeBSD 2.2.5 | | | | |
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| | | | | OpenBSD 2.2 |
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| | | | NetBSD 1.3 | |
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| FreeBSD 2.2.6 | | | | | |
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| | | | | NetBSD 1.3.1 | BSD/OS 3.1
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| | | | | | OpenBSD 2.3 |
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| | | | | NetBSD 1.3.2 | |
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| FreeBSD 2.2.7 | | | | | |
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| | | | | | | BSD/OS 4.0
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| FreeBSD 2.2.8 | | | | | |
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| | | | | OpenBSD 2.4 |
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FreeBSD 3.0 <--------* | | v | |
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| | | NetBSD 1.3.3 | |
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*---FreeBSD 3.1 | | | |
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| | | | | BSD/OS 4.0.1
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| FreeBSD 3.2----* | NetBSD 1.4 OpenBSD 2.5 |
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| FreeBSD 3.3 | | | | NetBSD 1.4.1 | |
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| | | | | | | OpenBSD 2.6 |
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| FreeBSD 3.4 | | | | | | |
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FreeBSD 4.0 | | | | | NetBSD 1.4.2 | |
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| FreeBSD 3.5 | | | | | OpenBSD 2.7 |
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| FreeBSD 3.5.1 | | | | | | |
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*---FreeBSD 4.1 | | | | | | |
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| FreeBSD 4.1.1 | | / | | | |
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2002-08-05 18:58:46 +00:00
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2001-07-30 21:15:42 +00:00
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| FreeBSD 4.2 Darwin/ | NetBSD 1.4.3 | |
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2001-12-02 11:16:30 +00:00
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| | Mac OS X | | OpenBSD 2.8 BSD/OS 4.2
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2001-07-30 21:15:42 +00:00
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| | 10.0 NetBSD 1.5 | |
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2002-10-10 08:57:39 +00:00
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| FreeBSD 4.3 | | | | |
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| | | | | OpenBSD 2.9 |
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| | | | NetBSD 1.5.1 | |
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2002-10-10 14:17:42 +00:00
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| FreeBSD 4.4-. | | NetBSD 1.5.2 | |
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| | | Mac OS X | | | |
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| | | 10.1 | | OpenBSD 3.0 |
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| FreeBSD 4.5 | | | | | |
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| | \ | | | | BSD/OS 4.3
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| FreeBSD 4.6 \ | | | OpenBSD 3.1 |
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2003-08-21 16:48:38 +00:00
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| | \ | | NetBSD 1.5.3 | |
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| FreeBSD 4.6.2 Mac OS X | | | |
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| | 10.2 | v | |
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| FreeBSD 4.7 | | | |
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| | | NetBSD 1.6 OpenBSD 3.2 |
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| FreeBSD 4.8 | | | | |
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| | | | NetBSD 1.6.1 | |
|
2004-07-26 06:40:48 +00:00
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| |--------. | | | OpenBSD 3.3 BSD/OS 5.0
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| | \ | | | | |
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| FreeBSD 4.9 | | | | OpenBSD 3.4 BSD/OS 5.1 ISE
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| | | | | | |
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| | | | | NetBSD 1.6.2 |
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| | | | | | OpenBSD 3.5
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| | | | | v |
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| FreeBSD 4.10 | | | |
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| | | | | |
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| v `-|------|-----------------|---------------------.
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| | | | \
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FreeBSD 5.0 | | | |
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| | | | |
|
2004-11-02 09:40:57 +00:00
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FreeBSD 5.1 | | | DragonFly 1.0
|
2004-07-26 06:40:48 +00:00
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| \ | | | |
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| ----- Mac OS X | | |
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| 10.3 | | |
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FreeBSD 5.2 | | | |
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| | | | | |
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| FreeBSD 5.2.1 | | | |
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| | | | |
|
2004-10-24 10:09:20 +00:00
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*---FreeBSD 5.3 | | | |
|
2004-11-02 09:40:57 +00:00
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|
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|
| | | | OpenBSD 3.6 |
|
2004-12-14 12:30:43 +00:00
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|
| v | NetBSD 2.0 | |
|
2004-10-24 10:09:20 +00:00
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|
|
| | | | |
|
2004-11-02 09:40:57 +00:00
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|
FreeBSD 6 -current | NetBSD -current OpenBSD -current |
|
2004-07-26 06:40:48 +00:00
|
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| | | | |
|
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|
v v v v v
|
1997-03-31 00:06:03 +00:00
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Time
|
|
|
|
|
|
----------------
|
|
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|
|
|
|
2000-11-27 16:35:21 +00:00
|
|
|
|
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.
|
1997-04-19 20:25:36 +00:00
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|
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|
|
|
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|
|
[44B] McKusick, Marshall Kirk, Keith Bostic, Michael J Karels,
|
|
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|
|
|
and John Quarterman. The Design and Implementation of
|
|
|
|
|
|
the 4.4BSD Operating System.
|
2001-07-30 21:15:42 +00:00
|
|
|
|
[APL] Apple website [http://www.apple.com/macosx/]
|
2002-10-10 14:21:01 +00:00
|
|
|
|
[BSDI] Berkeley Software Design, Inc.
|
2004-07-26 06:40:48 +00:00
|
|
|
|
[DFD] DragonFlyBSD Project, The.
|
1997-04-19 20:25:36 +00:00
|
|
|
|
[DOC] README, COPYRIGHT on tape.
|
2002-10-10 14:21:01 +00:00
|
|
|
|
[FBD] FreeBSD Project, The.
|
|
|
|
|
|
[KB] Keith Bostic. BSD2.10 available from Usenix. comp.unix.sources,
|
|
|
|
|
|
Volume 11, Info 4, April, 1987.
|
2002-10-10 16:42:54 +00:00
|
|
|
|
[KKK] Mike Karels, Kirk McKusick, and Keith Bostic. tahoe announcement.
|
|
|
|
|
|
comp.bugs.4bsd.ucb-fixes, June 15, 1988.
|
1997-04-19 20:25:36 +00:00
|
|
|
|
[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.
|
1999-04-05 21:51:32 +00:00
|
|
|
|
[NBD] NetBSD Project, The.
|
|
|
|
|
|
[OBD] OpenBSD Project, The.
|
2002-10-10 14:21:01 +00:00
|
|
|
|
[QCU] Salus, Peter H. A quarter century of UNIX.
|
|
|
|
|
|
[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
|
|
|
|
|
|
[USE] Usenet announcement.
|
2002-10-10 08:57:39 +00:00
|
|
|
|
[WRS] Wind River Systems, Inc.
|
2002-10-10 14:21:01 +00:00
|
|
|
|
[dmr] Dennis Ritchie, via E-Mail
|
1997-03-31 00:06:03 +00:00
|
|
|
|
|
|
|
|
|
|
Multics 1965
|
2000-04-30 01:17:34 +00:00
|
|
|
|
UNIX Summer 1969
|
1997-04-19 20:25:36 +00:00
|
|
|
|
DEC PDP-7
|
|
|
|
|
|
First Edition 1971-11-03 [QCU]
|
|
|
|
|
|
DEC PDP-11/20, Assembler
|
|
|
|
|
|
Second Edition 1972-06-12 [QCU]
|
2000-04-30 01:17:34 +00:00
|
|
|
|
10 UNIX installations
|
1997-04-19 20:25:36 +00:00
|
|
|
|
Third Edition 1973-02-xx [QCU]
|
|
|
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|
|
Pipes, 16 installations
|
|
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|
|
|
Fourth Edition 1973-11-xx [QCU]
|
|
|
|
|
|
rewriting in C effected,
|
1997-03-31 00:06:03 +00:00
|
|
|
|
above 30 installations
|
1997-04-19 20:25:36 +00:00
|
|
|
|
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]
|
2000-04-30 01:17:34 +00:00
|
|
|
|
first portable UNIX
|
|
|
|
|
|
Eighth Edition 1985-02-xx [QCU]
|
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
|
|
|
|
VAX 11/750, VAX 11/780 [dmr]
|
|
|
|
|
|
descended from 4.1c BSD [dmr]
|
|
|
|
|
|
descended from 4.1 BSD [44B]
|
2000-12-17 11:46:54 +00:00
|
|
|
|
scooping-out and replacement of the character-device
|
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
|
|
|
|
and networking part by the streams mechanism
|
|
|
|
|
|
|
1997-04-19 20:25:36 +00:00
|
|
|
|
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]
|
2000-04-11 21:02:24 +00:00
|
|
|
|
2.11BSD rev #430 1999-12-13 [SMS]
|
1997-04-19 20:25:36 +00:00
|
|
|
|
|
|
|
|
|
|
32V 1978-1[01]-xx [QCU]
|
|
|
|
|
|
3BSD late 1979 [QCU]
|
|
|
|
|
|
virtual memory, page replacement,
|
|
|
|
|
|
demand paging
|
|
|
|
|
|
4.0BSD 1980-10-xx
|
2002-01-30 13:23:16 +00:00
|
|
|
|
4.1BSD 1981-07-08 [DOC]
|
1997-04-19 20:25:36 +00:00
|
|
|
|
4.1aBSD 1982-04-xx
|
|
|
|
|
|
alpha release, 100 sites, networking [44B]
|
|
|
|
|
|
4.1bBSD internal release, fast filesystem [44B]
|
1997-03-31 00:06:03 +00:00
|
|
|
|
4.1cBSD late 1982
|
1997-04-19 20:25:36 +00:00
|
|
|
|
beta release, IPC [44B]
|
|
|
|
|
|
4.2BSD 1983-09-xx [QCU]
|
2002-01-30 13:23:16 +00:00
|
|
|
|
1983-08-03 [DOC]
|
1997-04-19 20:25:36 +00:00
|
|
|
|
4.3BSD 1986-06-xx [QCU]
|
2002-01-30 13:23:16 +00:00
|
|
|
|
1986-04-05 [KB], [DOC]
|
|
|
|
|
|
4.3BSD Tahoe 1988-06-15 [QCU], [DOC]
|
1997-04-19 20:25:36 +00:00
|
|
|
|
4.3BSD NET/1 1988-11-xx [QCU]
|
2002-01-30 13:23:16 +00:00
|
|
|
|
1989-01-01 [DOC]
|
|
|
|
|
|
4.3BSD Reno 1990-06-29 [QCU], [DOC]
|
|
|
|
|
|
4.3BSD NET/2 1991-06-28 [QCU], [DOC]
|
2000-12-17 11:46:54 +00:00
|
|
|
|
|
2001-01-19 07:36:36 +00:00
|
|
|
|
BSD/386 ALPHA 1991-12-xx [BSDI]
|
2000-12-17 11:46:54 +00:00
|
|
|
|
first code released to people outside BSDI
|
1997-04-19 20:25:36 +00:00
|
|
|
|
386BSD 0.0 1992-02-xx [DOC]
|
2001-01-19 07:36:36 +00:00
|
|
|
|
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
|
2000-11-27 17:03:04 +00:00
|
|
|
|
386BSD 0.1 1992-07-28 [DOC]
|
1997-04-19 20:25:36 +00:00
|
|
|
|
4.4BSD Alpha 1992-07-07
|
2001-01-19 07:36:36 +00:00
|
|
|
|
BSD/386 0.9.3 1992-10-xx [BSDI]
|
2000-12-17 11:46:54 +00:00
|
|
|
|
first external gamma; G customers
|
2001-01-19 07:36:36 +00:00
|
|
|
|
BSD/386 0.9.4 1992-12-xx [BSDI]
|
2000-12-17 11:46:54 +00:00
|
|
|
|
would have been 1.0 except for request
|
|
|
|
|
|
for preliminary injunction
|
2001-01-19 07:36:36 +00:00
|
|
|
|
BSD/386 1.0 1993-03-xx [BSDI]
|
2000-12-17 11:46:54 +00:00
|
|
|
|
injunction denied; first official release
|
2000-02-05 14:02:34 +00:00
|
|
|
|
NetBSD 0.8 1993-04-20 [NBD]
|
1997-04-19 20:25:36 +00:00
|
|
|
|
4.4BSD 1993-06-01 [USE]
|
1999-04-05 21:51:32 +00:00
|
|
|
|
NetBSD 0.9 1993-08-23 [NBD]
|
2001-06-15 10:20:58 +00:00
|
|
|
|
FreeBSD 1.0 1993-11-01 [FBD]
|
2001-01-19 07:36:36 +00:00
|
|
|
|
BSD/386 1.1 1994-02-xx [BSDI]
|
1997-04-19 20:25:36 +00:00
|
|
|
|
4.4BSD Lite 1994-03-01 [USE]
|
1998-08-19 12:58:38 +00:00
|
|
|
|
FreeBSD 1.1 1994-04-xx [FBD]
|
|
|
|
|
|
FreeBSD 1.1.5.1 1994-07-xx [FBD]
|
1999-08-03 08:15:02 +00:00
|
|
|
|
supersedes 1.1.5 3 days after release.
|
2000-02-05 14:02:34 +00:00
|
|
|
|
NetBSD 1.0 1994-10-26 [NBD]
|
1998-08-19 12:58:38 +00:00
|
|
|
|
386BSD 1.0 1994-11-12 [USE]
|
|
|
|
|
|
FreeBSD 2.0 1995-01-xx [FBD]
|
2000-12-17 11:46:54 +00:00
|
|
|
|
BSD/OS 2.0 1995-01-xx [BSDI] 4.4 lite based
|
2000-11-27 17:03:04 +00:00
|
|
|
|
FreeBSD 2.0.5 1995-06-10 [FBD]
|
2000-12-17 11:46:54 +00:00
|
|
|
|
BSD/OS 2.0.1 1995-06-xx [BSDI]
|
1997-04-19 20:25:36 +00:00
|
|
|
|
4.4BSD Lite Release 2 1995-06-xx [44B]
|
|
|
|
|
|
the true final distribution from the CSRG
|
2000-11-27 17:03:04 +00:00
|
|
|
|
FreeBSD 2.1.0 1995-11-19 [FBD]
|
1999-04-05 21:51:32 +00:00
|
|
|
|
NetBSD 1.1 1995-11-26 [NBD]
|
2000-12-17 11:46:54 +00:00
|
|
|
|
BSD/OS 2.1 1996-01-xx [BSDI]
|
2000-11-27 17:03:04 +00:00
|
|
|
|
FreeBSD 2.1.5 1996-07-14 [FBD]
|
1999-04-05 21:51:32 +00:00
|
|
|
|
NetBSD 1.2 1996-10-04 [NBD]
|
|
|
|
|
|
OpenBSD 2.0 1996-10-18 [OBD]
|
2000-11-27 17:03:04 +00:00
|
|
|
|
FreeBSD 2.1.6 1996-11-16 [FBD]
|
|
|
|
|
|
FreeBSD 2.1.6.1 1996-11-25 [FBD] (sendmail security release)
|
2001-07-30 21:15:42 +00:00
|
|
|
|
Rhapsody 1997-xx-xx
|
2000-11-27 17:03:04 +00:00
|
|
|
|
FreeBSD 2.1.7 1997-02-20 [FBD]
|
2000-12-17 11:46:54 +00:00
|
|
|
|
BSD/OS 3.0 1997-02-xx [BSDI] 4.4 lite2 based
|
2000-11-27 17:03:04 +00:00
|
|
|
|
FreeBSD 2.2.0 1997-03-16 [FBD]
|
|
|
|
|
|
FreeBSD 2.2.1 1997-03-25 [FBD]
|
|
|
|
|
|
FreeBSD 2.2.2 1997-05-16 [FBD]
|
2000-02-05 14:02:34 +00:00
|
|
|
|
NetBSD 1.2.1 1997-05-20 [NBD] (patch release)
|
1999-04-05 21:51:32 +00:00
|
|
|
|
OpenBSD 2.1 1997-06-01 [OBD]
|
2000-11-27 16:35:21 +00:00
|
|
|
|
FreeBSD 2.2.5 1997-10-22 [FBD]
|
1999-04-05 21:51:32 +00:00
|
|
|
|
OpenBSD 2.2 1997-12-01 [OBD]
|
2000-10-02 11:26:59 +00:00
|
|
|
|
NetBSD 1.3 1998-01-04 [NBD]
|
2000-11-27 16:35:21 +00:00
|
|
|
|
FreeBSD 2.2.6 1998-03-25 [FBD]
|
2000-02-05 14:02:34 +00:00
|
|
|
|
NetBSD 1.3.1 1998-03-09 [NBD] (patch release)
|
2000-12-17 11:46:54 +00:00
|
|
|
|
BSD/OS 3.1 1998-03-xx [BSDI]
|
1999-04-05 21:51:32 +00:00
|
|
|
|
OpenBSD 2.3 1998-05-19 [OBD]
|
2000-02-05 14:02:34 +00:00
|
|
|
|
NetBSD 1.3.2 1998-05-29 [NBD] (patch release)
|
2000-11-27 16:35:21 +00:00
|
|
|
|
FreeBSD 2.2.7 1998-07-22 [FBD]
|
2000-12-17 11:46:54 +00:00
|
|
|
|
BSD/OS 4.0 1998-08-xx [BSDI]
|
|
|
|
|
|
2-lock MP support, ELF executables
|
1999-01-12 16:14:24 +00:00
|
|
|
|
FreeBSD 3.0 1998-10-16 [FBD]
|
2000-12-17 11:46:54 +00:00
|
|
|
|
FreeBSD-3.0 is a snapshot from -current,
|
|
|
|
|
|
while 3.1 and 3.2 are from 3.x-stable which
|
1999-05-02 16:23:53 +00:00
|
|
|
|
was branched quite some time after 3.0-release
|
1999-04-05 21:51:32 +00:00
|
|
|
|
FreeBSD 2.2.8 1998-11-29 [FBD]
|
|
|
|
|
|
OpenBSD 2.4 1998-12-01 [OBD]
|
2000-02-05 14:02:34 +00:00
|
|
|
|
NetBSD 1.3.3 1998-12-23 [NBD] (patch release)
|
1999-05-02 15:40:49 +00:00
|
|
|
|
FreeBSD 3.1 1999-02-15 [FBD]
|
2000-12-17 11:46:54 +00:00
|
|
|
|
BSD/OS 4.0.1 1999-03-xx [BSDI]
|
2000-01-22 22:22:45 +00:00
|
|
|
|
NetBSD 1.4 1999-05-12 [NBD]
|
2000-01-04 04:31:27 +00:00
|
|
|
|
FreeBSD 3.2 1999-05-17 [FBD]
|
|
|
|
|
|
OpenBSD 2.5 1999-05-19 [OBD]
|
2000-02-05 14:02:34 +00:00
|
|
|
|
NetBSD 1.4.1 1999-08-26 [NBD] (patch release)
|
2000-01-04 04:31:27 +00:00
|
|
|
|
FreeBSD 3.3 1999-09-17 [FBD]
|
|
|
|
|
|
OpenBSD 2.6 1999-12-01 [OBD]
|
|
|
|
|
|
FreeBSD 3.4 1999-12-20 [FBD]
|
2000-12-17 11:46:54 +00:00
|
|
|
|
BSD/OS 4.1 1999-12-xx [BSDI]
|
2000-03-21 20:17:17 +00:00
|
|
|
|
FreeBSD 4.0 2000-03-13 [FBD]
|
|
|
|
|
|
NetBSD 1.4.2 2000-03-19 [NBD] (patch release)
|
2000-09-03 16:45:46 +00:00
|
|
|
|
OpenBSD 2.7 2000-06-15 [OBD]
|
2000-08-13 14:54:51 +00:00
|
|
|
|
FreeBSD 3.5 2000-06-24 [FBD]
|
|
|
|
|
|
FreeBSD 4.1 2000-07-27 [FBD]
|
2000-09-03 16:38:47 +00:00
|
|
|
|
FreeBSD 3.5.1 2000-07-28 [FBD]
|
2000-09-17 09:13:15 +00:00
|
|
|
|
FreeBSD 4.1.1 2000-09-25 [FBD] (a network-only patch release)
|
2000-11-27 16:35:21 +00:00
|
|
|
|
FreeBSD 4.2 2000-11-21 [FBD]
|
|
|
|
|
|
NetBSD 1.4.3 2000-11-25 [NBD] (patch release)
|
2000-12-17 18:44:42 +00:00
|
|
|
|
BSD/OS 4.2 2000-11-29 [BSDI]
|
2000-11-27 16:35:21 +00:00
|
|
|
|
OpenBSD 2.8 2000-12-01 [OBD]
|
2000-12-17 11:50:33 +00:00
|
|
|
|
NetBSD 1.5 2000-12-06 [NBD]
|
2001-07-30 21:15:42 +00:00
|
|
|
|
Mac OS X 10.0 2001-03-24 [APL]
|
2001-04-22 18:24:10 +00:00
|
|
|
|
FreeBSD 4.3 2001-04-20 [FBD]
|
2001-06-27 04:41:58 +00:00
|
|
|
|
OpenBSD 2.9 2001-06-01 [OBD]
|
2001-07-11 23:57:16 +00:00
|
|
|
|
NetBSD 1.5.1 2001-07-11 [NBD] (patch release)
|
2001-09-28 17:18:10 +00:00
|
|
|
|
NetBSD 1.5.2 2001-09-13 [NBD] (patch release)
|
2001-09-20 02:13:51 +00:00
|
|
|
|
FreeBSD 4.4 2001-09-18 [FBD]
|
2002-10-10 16:42:54 +00:00
|
|
|
|
Mac OS X 10.1 2001-09-29 [APL]
|
2001-12-02 11:19:24 +00:00
|
|
|
|
OpenBSD 3.0 2001-12-01 [OBD]
|
2002-03-10 18:57:44 +00:00
|
|
|
|
FreeBSD 4.5 2002-01-29 [FBD]
|
2002-10-10 08:57:39 +00:00
|
|
|
|
BSD/OS 4.3 2002-03-14 [WRS]
|
2002-08-04 20:34:28 +00:00
|
|
|
|
OpenBSD 3.1 2002-05-19 [OBD]
|
|
|
|
|
|
FreeBSD 4.6 2002-06-15 [FBD]
|
2002-10-10 16:42:54 +00:00
|
|
|
|
NetBSD 1.5.3 2002-07-22 [NBD] (patch release)
|
2002-10-10 14:17:42 +00:00
|
|
|
|
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]
|
2002-10-08 05:25:58 +00:00
|
|
|
|
FreeBSD 4.7 2002-10-08 [FBD]
|
2002-11-04 09:19:24 +00:00
|
|
|
|
OpenBSD 3.2 2002-11-01 [OBD]
|
2003-03-06 15:55:47 +00:00
|
|
|
|
FreeBSD 5.0 2003-01-17 [FBD]
|
|
|
|
|
|
FreeBSD 5.0 is a separate branch off of
|
|
|
|
|
|
-current, similar to 3.0.
|
2003-04-04 06:59:27 +00:00
|
|
|
|
FreeBSD 4.8 2003-04-03 [FBD]
|
2003-04-29 12:07:11 +00:00
|
|
|
|
NetBSD 1.6.1 2003-04-21 [NBD] (patch release)
|
2003-05-03 09:18:25 +00:00
|
|
|
|
OpenBSD 3.3 2003-05-01 [OBD]
|
2003-08-21 16:48:38 +00:00
|
|
|
|
BSD/OS 5.0 2003-05-?? [WRS]
|
|
|
|
|
|
FreeBSD 5.1 2003-06-09 [FBD]
|
2003-10-29 07:44:22 +00:00
|
|
|
|
Mac OS X 10.3 2003-10-24 [APL]
|
|
|
|
|
|
FreeBSD 4.9 2003-10-28 [FBD]
|
2004-03-07 16:44:10 +00:00
|
|
|
|
BSD/OS 5.1 ISE 2003-10-?? [WRS] (final version)
|
2003-10-31 10:24:02 +00:00
|
|
|
|
OpenBSD 3.4 2003-11-01 [OBD]
|
2004-01-13 08:35:00 +00:00
|
|
|
|
FreeBSD 5.2 2004-01-12 [FBD]
|
2004-02-25 15:58:14 +00:00
|
|
|
|
FreeBSD 5.2.1 2004-02-22 [FBD] (patch release)
|
2004-05-03 08:19:45 +00:00
|
|
|
|
NetBSD 1.6.2 2004-03-01 [NBD] (patch release)
|
|
|
|
|
|
OpenBSD 3.5 2004-04-01 [OBD]
|
2004-05-28 00:12:38 +00:00
|
|
|
|
FreeBSD 4.10 2004-05-27 [FBD]
|
2004-07-26 06:40:48 +00:00
|
|
|
|
DragonFly 1.0 2004-07-12 [DFD]
|
2004-11-02 09:40:57 +00:00
|
|
|
|
OpenBSD 3.6 2004-10-29 [OBD]
|
2004-11-07 03:55:47 +00:00
|
|
|
|
FreeBSD 5.3 2004-11-06 [FBD]
|
2004-12-14 12:30:43 +00:00
|
|
|
|
NetBSD 2.0 2004-12-09 [NBD]
|
1997-03-31 00:06:03 +00:00
|
|
|
|
|
|
|
|
|
|
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
|
|
|
|
|
|
|
2004-08-27 13:38:01 +00:00
|
|
|
|
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
|
|
|
|
|
|
|
1997-04-19 20:25:36 +00:00
|
|
|
|
Doug McIlroy. Research Unix Reader.
|
|
|
|
|
|
|
1997-03-31 00:06:03 +00:00
|
|
|
|
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.
|
|
|
|
|
|
|
2000-04-30 01:17:34 +00:00
|
|
|
|
Peter H. Salus. Unix at 25. Byte Magazine, October 1994.
|
2001-07-10 07:29:11 +00:00
|
|
|
|
URL: http://www.byte.com/art/9410/sec8/art3.htm (unreachable)
|
1997-03-31 00:06:03 +00:00
|
|
|
|
|
1997-04-19 20:25:36 +00:00
|
|
|
|
Andreas Klemm, Lars K<>ller. If you're going to San Francisco ...
|
|
|
|
|
|
Die freien BSD-Varianten von Unix. c't April 1997, page 368ff.
|
|
|
|
|
|
|
|
|
|
|
|
BSD Release Announcements collection.
|
2000-04-30 01:17:34 +00:00
|
|
|
|
URL: http://www.de.FreeBSD.org/de/ftp/releases/
|
1997-04-19 20:25:36 +00:00
|
|
|
|
|
1997-12-09 22:53:06 +00:00
|
|
|
|
BSD Hypertext Man Pages
|
2001-07-10 07:29:11 +00:00
|
|
|
|
URL: http://www.FreeBSD.org/cgi/man.cgi
|
2000-04-30 01:17:34 +00:00
|
|
|
|
|
|
|
|
|
|
UNIX history graphing project
|
2001-07-10 07:29:11 +00:00
|
|
|
|
URL: http://minnie.tuhs.org/Unix_History/index.html
|
1997-12-09 22:53:06 +00:00
|
|
|
|
|
2000-09-03 17:11:26 +00:00
|
|
|
|
UNIX history
|
2002-10-10 14:47:03 +00:00
|
|
|
|
URL: http://www.levenez.com/unix/
|
2000-09-03 17:11:26 +00:00
|
|
|
|
|
2001-04-22 18:28:01 +00:00
|
|
|
|
James Howard: The BSD Family Tree
|
2001-07-10 07:29:11 +00:00
|
|
|
|
URL: http://www.daemonnews.org/200104/bsd_family.html
|
2001-04-22 18:28:01 +00:00
|
|
|
|
("what are the differences between FreeBSD, NetBSD, and OpenBSD?")
|
|
|
|
|
|
|
|
|
|
|
|
|
1997-04-19 20:25:36 +00:00
|
|
|
|
Acknowledgments
|
|
|
|
|
|
---------------
|
|
|
|
|
|
|
2000-04-30 01:17:34 +00:00
|
|
|
|
Josh Gilliam for suggestions, bug fixes, and finding very old
|
1997-04-19 20:25:36 +00:00
|
|
|
|
original BSD announcements from Usenet or tapes.
|
|
|
|
|
|
|
1997-12-09 22:53:06 +00:00
|
|
|
|
Steven M. Schultz for providing 2.8BSD, 2.10BSD, 2.11BSD manual pages.
|
1997-04-19 20:25:36 +00:00
|
|
|
|
|
1997-03-31 00:06:03 +00:00
|
|
|
|
--
|
2004-02-25 15:58:14 +00:00
|
|
|
|
Copyright (c) 1997-2004 Wolfram Schneider <wosch@FreeBSD.ORG>
|
2003-10-31 10:24:02 +00:00
|
|
|
|
URL: http://cvsweb.freebsd.org/src/share/misc/bsd-family-tree
|
1999-01-12 16:14:24 +00:00
|
|
|
|
|
1999-09-05 19:11:41 +00:00
|
|
|
|
$FreeBSD$
|
