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<html><head><title>APT</title><link rel="stylesheet" type="text/css" href="help:/common/kde-default.css"><link rel="stylesheet" type="text/css" href="help:/common/kde-docs.css"><link rel="stylesheet" type="text/css" href="help:/common/kde-localised.css"><link rel="stylesheet" type="text/css" href="help:/common/kubuntu.css"><meta name="generator" content="DocBook XSL Stylesheets V1.76.1"><link rel="home" href="index.html" title="Software Management In Kubuntu"><link rel="up" href="index.html" title="Software Management In Kubuntu"><link rel="prev" href="Muon.html" title="Muon"><link rel="next" href="aptitude.html" title="Aptitude"><link rel="copyright" href="legal.html" title="Credits and License"><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><meta name="GENERATOR" content="KDE XSL Stylesheet V1.14 using libxslt"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div id="content"><div id="header"><div id="header_content"><div id="header_left"><div id="header_right"><img src="help:/common/top-kde.jpg" width="36" height="34"> APT</div></div></div></div><div class="navCenter"><table class="navigation"><tr><td class="prevCell"><a accesskey="p" href="Muon.html">Prev</a></td><td class="upCell"> </td><td class="nextCell"><a accesskey="n" href="aptitude.html">Next</a></td></tr></table></div><div id="contentBody"><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="apt"></a>APT</h2></div></div></div><p>
<span class="application"><acronym class="acronym">APT</acronym></span> (Advanced Packaging Tool) is a
powerful package management system which is the basis for the graphical
<span class="application">Software Management</span> application.
<span class="application">APT</span> automatically handles dependencies and performs
other package operations that are required for package installation.
</p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>
Running <span class="application">APT</span> requires administrative privileges.
Entering commands with "sudo" generates a password prompt. Several of the
commands below will not run without sudo.
</p></div><p>
Common commands used with <span class="application">APT</span> are:
</p><div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem"><p>
Install packages:
</p><pre class="screen">sudo apt-get install <span class="emphasis"><em>packagename</em></span></pre><p>
</p></li><li class="listitem"><p>
Remove packages:
</p><pre class="screen">sudo apt-get remove <span class="emphasis"><em>packagename</em></span></pre><p>
</p></li><li class="listitem"><p>
Remove package dependencies that are no longer needed:
</p><pre class="screen">sudo apt-get autoremove</pre><p>
</p></li><li class="listitem"><p>
Search for packages:
</p><pre class="screen">apt-cache search <span class="emphasis"><em>keyword</em></span></pre><p>
</p></li><li class="listitem"><p>
Retrieve the current list of available packages:
</p><pre class="screen">sudo apt-get update</pre><p>
</p></li><li class="listitem"><p>
Install the latest available updates for the applications currently installed:
</p><pre class="screen">sudo apt-get upgrade</pre><p>
</p></li><li class="listitem"><p>
List further commands and options:
</p><pre class="screen">apt-get help</pre><p>
</p></li></ul></div><div class="tip" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Tip</h3><p>
For further information about the use of <span class="application">APT</span>, read
the comprehensive <a class="ulink" href="http://www.debian.org/doc/user-manuals#apt-howto" target="_top">Debian APT User Manual</a>.
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