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Date: Mon, 11 Mar 2002 14:32:40 +0300
From: Hans Reiser <reiser@namesys.com>
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To: "Mark H. Wood" <mwood@IUPUI.Edu>
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Subject: Re: linux-2.5.4-pre1 - bitkeeper testing
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Mark H. Wood wrote:

>On Sun, 10 Mar 2002, Itai Nahshon wrote:
>
>>On Sunday 10 March 2002 10:36, Hans Reiser wrote:
>>
>>>I think that if version control becomes as simple as turning on a plugin
>>>for a directory or file, and then adding a little to the end of a
>>>filename to see and list the old versions, Mom can use it.
>>>
>>IIRC that was a feature in systems from DEC even before
>>VMS (I'm talking about the late 70's).  eg. file.txt;2 was revision 2
>>of file.txt.
>>
>>I don't know if this feature was in the file-system or in the text editor
>>that I have used.
>>
>
>It's part of the TOPS-20 filesystem.  If you try to create a file which
>already exists, you get a new version of the file with length zero.  Each
>file has a version limit in its directory entry, and when the limit is
>exceeded the oldest version is automagically deleted.  The version limit
>is copied from the highest existing version to the new version, and the
>limit on the highest version determines whether old versions are dropped.
>
>
If it isn't optional (on per file and/or per directory basis) for users, 
it would be quite annoying.

Hans

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