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%                                  Hans Wolfgang Loidl, RISC-Linz,  31.10.1991 
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% Changes:    <By whom>, <When>, <What changes> 
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% H.W.  Loidl, 7.11.1991, Title in \bf style, contents of
%                         `Functions' in \tt style
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%  SW-form for registering the software products that are installed
%  on a machine in the ACPC network. 
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%        file that describes the corresponding ACPC group
%        or in a `frame' LaTex file (see `sw-frame.tex') where
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\subsubsection*{\bf GNU Zip}

\begin{itemize}
 \item {\bf Name:}   gzip 0.8.1

 \item {\bf Location:} /usr/local/gnu/gzip-0.8.1
                   % important directories might be included here).

 \item {\bf Type:} File compression and expansion

 \item {\bf Characterization:} 
        The GNU Zip tools {\tt gzip, gunzip, zcat} compress and decompress
        files by using Lempel-Ziv coding (LZ77). The usage of {\tt gzip} and 
        {\tt gunzip} as quite similar to {\tt compress} and {\tt uncompress}.
        Compressed files get the extension {\tt .z}. 
        This compression method is better than the standard {\tt compress}.
        {\tt gzip} can be used as filter if no file is specified.

 \item {\bf Functions:}     % Description of the main features of the 
                        % sw-p.
                        % This should include the following subtopics:
       \begin{itemize}
        \item {Invocation:}  {\tt /usr/local/bin/gzip}
        \item {Termination:} {\tt } % How to leave the sw-p.
        \item {Help:}        {\tt man gzip, /usr/local/bin/gzip -h} 
        \item {Example:}     {\tt gzip -v -9 foo} \\
                             Compresses the file {\tt foo} yielding a file
                             {\tt foo.z}. For that the best compression 
                             method is used ({\tt -9}) and the compression 
                             factor is printed due to verbose mode ({\tt -v}).

                             {\tt gunzip foo.z} or {\tt gzip -d foo.z} \\
                             Decompress the file that has been compressed 
                             above.
        \item {Other important functions:}  
                             Multiple compressed files can be concatenated.
                             {\bf Note:} There are also various other
                             (de-)compression tools available like:
                             {\tt zip} (DOS port), {\tt zoo}, {\tt squeeze0}
                             and {\tt unarj}. See the corresponding man pages
                             for further information.
       \end{itemize}

 \item {\bf Installation:}  % Which environment vars have to be set, etc.

 \item {\bf Manuals:}       % Name, location and version of the manuals for this
                            % sw-p.
 
\end{itemize}


