Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!pasteur!ucbvax!ulysses!hector!ekrell
From: ekrell@hector.UUCP (Eduardo Krell)
Newsgroups: comp.unix.wizards
Subject: Re: Making rm undoable
Message-ID: <11370@ulysses.homer.nj.att.com>
Date: 24 Mar 89 18:05:47 GMT
References: <6805@phoenix.Princeton.EDU> <7360@phoenix.Princeton.EDU>
Sender: netnews@ulysses.homer.nj.att.com
Reply-To: ekrell@hector.UUCP (Eduardo Krell)
Distribution: usa
Organization: AT&T Bell Laboratories
Lines: 17

In article <7360@phoenix.Princeton.EDU> bernsten@phoenix.Princeton.EDU (Dan Bernstein) writes:

>If UNIX were the type of system where version numbering were possible
>(oops, I mean common, really I do) then the problem of file deletion
>would be trivial. But version numbering is not possible (oops, common)
>in UNIX.

It's not common, but it has been done.

Dave Korn and/or I are going to present a paper called "The 3-D File System"
at the next summer Usenix conference in Baltimore. If you listen to
the presentation or read the paper in the proceedings, I think you'll
realize it adds version numbering and more to the Unix file system.
    
Eduardo Krell                   AT&T Bell Laboratories, Murray Hill, NJ

UUCP: {att,decvax,ucbvax}!ulysses!ekrell  Internet: ekrell@ulysses.att.com