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From: clarke@hplb29a.HPL.HP.COM (Marc Clarke)
Newsgroups: comp.sources.d
Subject: Re: HELP! What are `Z' files?
Message-ID: <1700001@hplb29a.HPL.HP.COM>
Date: Thu, 14-May-87 14:38:13 EDT
Article-I.D.: hplb29a.1700001
Posted: Thu May 14 14:38:13 1987
Date-Received: Sun, 17-May-87 11:54:46 EDT
References: <8705131943.AA16459@renoir.Berkeley.EDU>
Organization: hplabs bld 29 Palo Alto
Lines: 3

When you say "with Z in the suffix", I take it you mean 'filename.Z'.
If so, then "uncompress" ought to unpack the file for you.  I note that
you mentioned "compress" but not "uncompress".