*BSD News Article 4459


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From: paoletti@comp/unix/bsdps.msu.edu (David R. Paoletti)
Newsgroups: comp.unix.bsd
Subject: Re: backup w/ compression for UN*X?
Message-ID: <1992Sep3.155227.16767@msuinfo.cl.msu.edu>
Date: 3 Sep 92 15:52:27 GMT
References: <1992Sep3.015437.15379@msuinfo.cl.msu.edu> <dtb.715502483@otto>
Sender: news@msuinfo.cl.msu.edu
Organization: Dept. of Computer Science, Michigan State University
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Originator: paoletti@pacific.cps.msu.edu

Basically, people have responded to my post by pointing out
that you can pipe through the compress program.  I know to
use tar, compress, cpio, dd, pipes, etc.  I should have
included the following point in my original post:

If you pipe through the compress program, doesn't it write
its compression/translation table at the beginning of the
output that it produces?  What happens if the beginning of
the tape or the first disk is damaged?  Or am I incorrect
in assuming that compress works this way?

Dave Paoletti :)