lfs-book-zh_CN/appendixa/gzip-desc.sgml

<sect2>
<title>Contents</title>

<para>
The Gzip package contains the compress, gunzip, gzexe, gzip, uncompress, 
zcat, zcmp, zdiff, zforece, zgrep, zmore and znew programs.
</para>

</sect2>

<sect2><title>Description</title>

<sect3><title>gunzip</title>

<para>
gunzip decompresses files that are compressed with gzip.
</para>

</sect3>

<sect3><title>gzexe</title>

<para>
gzexe allows you to compress executables in place and have them 
automatically uncompress and execute when you run them (at a penalty in 
performance).
</para>

</sect3>

<sect3><title>gzip</title>

<para>
gzip reduces the size of the named files using Lempel-Ziv coding (LZ77).
</para>

</sect3>

<sect3><title>zcat</title>

<para>
zcat uncompresses either a list of files on the command line or its 
standard input and writes the uncompressed data on standard output
</para>

</sect3>

<sect3><title>zcmp</title>

<para>
zcmp invokes the cmp program on compressed files.
</para>

</sect3>

<sect3><title>zdiff</title>

<para>
zdiff invokes the diff program on compressed files.
</para>

</sect3>

<sect3><title>zforce</title>

<para>
zforce forces a  .gz extension on all gzip files so that gzip will not 
compress them twice.  This can be useful for files with names truncated 
after a file transfer.
</para>

</sect3>

<sect3><title>zgrep</title>

<para>
zgrep invokes the grep program on compressed files.
</para>

</sect3>

<sect3><title>zmore</title>

<para>
Zmore is a filter which allows examination of compressed or plain text 
files one screenful at a time on a soft-copy terminal (similar to the
more program).
</para>

</sect3>

<sect3><title>znew</title>

<para>
Znew recompresses files from .Z (compress) format to .gz (gzip) format. 
</para>

</sect3>

</sect2>