📄 gzip.html
字号:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content= "application/xhtml+xml; charset=iso-8859-1" /> <title> 10.40. Gzip-1.3.5 </title> <link rel="stylesheet" href="../stylesheets/lfs.css" type="text/css" /> <meta name="generator" content="DocBook XSL Stylesheets V1.69.1" /> <link rel="stylesheet" href="../stylesheets/lfs-print.css" type= "text/css" media="print" /> </head> <body id="lfs" class="CLFS-SVN-20060417-MIPS"> <div class="navheader"> <div class="headertitles"> <h4> Cross-Compiled Linux From Scratch - Version CLFS-SVN-20060417-MIPS </h4> <h3> Chapter 10. Installing Basic System Software </h3> </div> <ul class="headerlinks"> <li class="prev"> <a accesskey="p" href="e2fsprogs.html" title= "E2fsprogs-1.38">Prev</a> <p> E2fsprogs-1.38 </p> </li> <li class="next"> <a accesskey="n" href="man.html" title="Man-1.6c">Next</a> <p> Man-1.6c </p> </li> <li class="up"> <a accesskey="u" href="chapter.html" title= "Chapter 10. Installing Basic System Software">Up</a>. </li> <li class="home"> <a accesskey="h" href="../index.html" title= "Cross-Compiled Linux From Scratch - Version CLFS-SVN-20060417-MIPS"> Home</a> </li> </ul> </div> <div class="wrap" lang="en" xml:lang="en"> <div class="titlepage"> <h1 class="sect1"> 10.40. Gzip-1.3.5 </h1> </div> <div class="package" lang="en" xml:lang="en"> <p> The Gzip package contains programs for compressing and decompressing files. </p> <div class="segmentedlist"> <div class="seglistitem"> <div class="seg"> <strong><span class="segtitle">Installation depends on:</span></strong> <span class="seg">Bash, Binutils, Coreutils, Diffutils, GCC, Glibc, Grep, Make, Patch, Sed, and Texinfo</span> </div> </div> </div> </div> <div class="installation" lang="en" xml:lang="en"> <div class="titlepage"> <h2 class="sect2"> 10.40.1. Installation of Gzip </h2> </div> <p> The following patch fixes two security vulnerabilities in Gzip. First, a path traversal bug when using the <tt class= "option">-N</tt> option (CAN-2005-1228) Second, a race condition in the file permission restore code (CAN-2005-0998) </p> <pre class="userinput"><kbd class="command">patch -Np1 -i ../gzip-1.3.5-security_fixes-1.patch</kbd></pre> <p> Prepare Gzip for compilation: </p> <pre class="userinput"><kbd class="command">./configure --prefix=/usr</kbd></pre> <p> The <span><strong class="command">gzexe</strong></span> script has the location of the <span><strong class= "command">gzip</strong></span> binary hard-wired into it. Because the location of the binary is changed later, the following command ensures that the new location gets placed into the script: </p> <pre class="userinput"><kbd class="command">sed -i 's@"BINDIR"@/bin@g' gzexe.in</kbd></pre> <p> Compile the package: </p> <pre class="userinput"><kbd class="command">make</kbd></pre> <p> This package does not come with a test suite. </p> <p> Install the package: </p> <pre class="userinput"><kbd class="command">make install</kbd></pre> <p> Move the <span><strong class="command">gzip</strong></span> program to the <tt class="filename">/bin</tt> directory and create some commonly used symlinks to it: </p> <pre class="userinput"><kbd class="command">mv -v /usr/bin/gzip /binrm -v /usr/bin/{gunzip,zcat}ln -sv gzip /bin/gunzipln -sv gzip /bin/zcatln -sv gzip /bin/compressln -sv gunzip /bin/uncompress</kbd></pre> </div> <div class="content" lang="en" xml:lang="en"> <div class="titlepage"> <a id="contents-gzip" name="contents-gzip"></a> <h2 class="sect2"> 10.40.2. Contents of Gzip </h2> </div> <div class="segmentedlist"> <div class="seglistitem"> <div class="seg"> <strong><span class="segtitle">Installed programs:</span></strong> <span class="seg">compress (link to gzip), gunzip (link to gzip), gzexe, gzip, uncompress (link to gunzip), zcat (link to gzip), zcmp, zdiff, zegrep, zfgrep, zforce, zgrep, zless, zmore, and znew</span> </div> </div> </div> <div class="variablelist"> <h3> <a id="id3683520" name="id3683520"></a>Short Descriptions </h3> <table border="0"> <col align="left" valign="top" /> <tbody> <tr> <td> <a id="compress" name="compress"></a><span class= "term"><span><strong class= "command">compress</strong></span></span> </td> <td> <p> Compresses and decompresses files </p> </td> </tr> <tr> <td> <a id="gunzip" name="gunzip"></a><span class= "term"><span><strong class= "command">gunzip</strong></span></span> </td> <td> <p> Decompresses gzipped files </p> </td> </tr> <tr> <td> <a id="gzexe" name="gzexe"></a><span class= "term"><span><strong class= "command">gzexe</strong></span></span> </td> <td> <p> Creates self-decompressing executable files </p> </td> </tr> <tr> <td> <a id="gzip" name="gzip"></a><span class= "term"><span><strong class= "command">gzip</strong></span></span> </td> <td> <p> Compresses the given files using Lempel-Ziv (LZ77) coding </p> </td> </tr> <tr> <td> <a id="uncompress" name="uncompress"></a><span class= "term"><span><strong class= "command">uncompress</strong></span></span> </td> <td> <p> Decompresses compressed files </p> </td> </tr> <tr> <td> <a id="zcat" name="zcat"></a><span class= "term"><span><strong class= "command">zcat</strong></span></span> </td> <td> <p> Decompresses the given gzipped files to standard output </p> </td> </tr> <tr> <td> <a id="zcmp" name="zcmp"></a><span class= "term"><span><strong class= "command">zcmp</strong></span></span> </td> <td> <p> Runs <span><strong class="command">cmp</strong></span> on gzipped files </p> </td> </tr> <tr> <td> <a id="zdiff" name="zdiff"></a><span class= "term"><span><strong class= "command">zdiff</strong></span></span> </td> <td> <p> Runs <span><strong class="command">diff</strong></span> on gzipped files </p> </td> </tr> <tr> <td> <a id="zegrep" name="zegrep"></a><span class= "term"><span><strong class= "command">zegrep</strong></span></span> </td> <td> <p> Runs <span><strong class="command">egrep</strong></span> on gzipped files </p> </td> </tr> <tr> <td> <a id="zfgrep" name="zfgrep"></a><span class= "term"><span><strong class= "command">zfgrep</strong></span></span> </td> <td> <p> Runs <span><strong class="command">fgrep</strong></span> on gzipped files </p> </td> </tr> <tr> <td> <a id="zforce" name="zforce"></a><span class= "term"><span><strong class= "command">zforce</strong></span></span> </td> <td> <p> Forces a <tt class="filename">.gz</tt> extension on all given files that are gzipped files, so that <span><strong class="command">gzip</strong></span> will not compress them again; this can be useful when file names were truncated during a file transfer </p> </td> </tr> <tr> <td> <a id="zgrep" name="zgrep"></a><span class= "term"><span><strong class= "command">zgrep</strong></span></span> </td> <td> <p> Runs <span><strong class="command">grep</strong></span> on gzipped files </p> </td> </tr> <tr> <td> <a id="zless" name="zless"></a><span class= "term"><span><strong class= "command">zless</strong></span></span> </td> <td> <p> Runs <span><strong class="command">less</strong></span> on gzipped files </p> </td> </tr> <tr> <td> <a id="zmore" name="zmore"></a><span class= "term"><span><strong class= "command">zmore</strong></span></span> </td> <td> <p> Runs <span><strong class="command">more</strong></span> on gzipped files </p> </td> </tr> <tr> <td> <a id="znew" name="znew"></a><span class= "term"><span><strong class= "command">znew</strong></span></span> </td> <td> <p> Re-compresses files from <span><strong class= "command">compress</strong></span> format to <span><strong class="command">gzip</strong></span> format—<tt class="filename">.Z</tt> to <tt class= "filename">.gz</tt> </p> </td> </tr> </tbody> </table> </div> </div> </div> <div class="navfooter"> <ul> <li class="prev"> <a accesskey="p" href="e2fsprogs.html" title= "E2fsprogs-1.38">Prev</a> <p> E2fsprogs-1.38 </p> </li> <li class="next"> <a accesskey="n" href="man.html" title="Man-1.6c">Next</a> <p> Man-1.6c </p> </li> <li class="up"> <a accesskey="u" href="chapter.html" title= "Chapter 10. Installing Basic System Software">Up</a>. </li> <li class="home"> <a accesskey="h" href="../index.html" title= "Cross-Compiled Linux From Scratch - Version CLFS-SVN-20060417-MIPS"> Home</a>. </li> </ul> </div> </body></html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -