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<?xml version="1.0" encoding="utf-8" standalone="no"?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
<!ENTITY % aptent SYSTEM "apt.ent">
%aptent;
<!ENTITY % aptverbatiment SYSTEM "apt-verbatim.ent">
%aptverbatiment;
]>
<refentry>
<refentryinfo>
&apt-author.team;
&apt-email;
&apt-product;
<!-- The last update date -->
<date>2013-11-25T00:00:00Z</date>
</refentryinfo>
<refmeta>
<refentrytitle>apt</refentrytitle>
<manvolnum>8</manvolnum>
<refmiscinfo class="manual">APT</refmiscinfo>
</refmeta>
<!-- Man page title -->
<refnamediv>
<refname>apt</refname>
<refpurpose>APT package -- command-line interface</refpurpose>
</refnamediv>
&synopsis-command-apt;
<refsect1><title>Description</title>
<para><command>apt</command> is the command-line tool for handling packages. It provides a commandline interface for the package management of the system.
See also &apt-get; and &apt-cache; for more low-level command options.
</para>
<variablelist>
<varlistentry><term><option>list</option></term>
<listitem><para><literal>list</literal> is used to
display a list of packages. It supports shell pattern for matching
package names and the following options:
<option>--installed</option>
<option>--upgradable</option>
<option>--all-versions</option>
are supported.
</para></listitem>
</varlistentry>
<varlistentry><term><option>search</option></term>
<listitem><para><literal>search</literal> searches for the given
term(s) and display matching packages.
</para></listitem>
</varlistentry>
<varlistentry><term><option>show</option></term>
<listitem><para><literal>show</literal> shows the package information
for the given package(s).
</para></listitem>
</varlistentry>
<varlistentry><term><option>install</option></term>
<listitem>
<para><literal>install</literal> is followed by one or more
package names desired for installation or upgrading.
</para>
<para>A specific version of a package can be selected for installation by
following the package name with an equals and the version of the package
to select. This will cause that version to be located and selected for
install. Alternatively a specific distribution can be selected by
following the package name with a slash and the version of the
distribution or the Archive name (stable, testing, unstable).</para>
</listitem>
</varlistentry>
<varlistentry><term><option>remove</option></term>
<listitem><para><literal>remove</literal> is identical to <literal>install</literal> except that packages are
removed instead of installed. Note that removing a package leaves its
configuration files on the system. If a plus sign is appended to the package
name (with no intervening space), the identified package will be
installed instead of removed.</para></listitem>
</varlistentry>
<varlistentry><term><option>edit-sources</option></term>
<listitem><para><literal>edit-sources</literal> lets you edit
your sources.list file and provides basic sanity checks.
</para></listitem>
</varlistentry>
<varlistentry><term><option>update</option></term>
<listitem><para><literal>update</literal> is used to
resynchronize the package index files from their sources.
</para></listitem>
</varlistentry>
<varlistentry><term><option>upgrade</option></term>
<listitem><para><literal>upgrade</literal> is used to install the
newest versions of all packages currently installed on the system
from the sources enumerated in
<filename>/etc/apt/sources.list</filename>. New package will be
installed, but existing package will never removed.
</para></listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1><title>options</title>
&apt-cmdblurb;
<variablelist>
&apt-commonoptions;
</variablelist>
</refsect1>
<refsect1><title>Differences to &apt-get;</title>
<para>The <command>apt</command> command is meant to be pleasant for
end users and does not need to be backward compatilbe like
&apt-get;. Therefore some options are different:
<itemizedlist>
<listitem>The option <literal>DPkgPM::Progress-Fancy</literal> is enabled.
</listitem>
<listitem>The option <literal>APT::Color</literal> is enabled.
</listitem>
<listitem>A new <literal>list</literal> command is available
similar to <literal>dpkg --list</literal>.
</listitem>
<listitem>The option <literal>upgrade</literal> has
<literal>--with-new-pkgs</literal> enabled by default.
</listitem>
</itemizedlist>
</para>
</refsect1>
<refsect1><title>See Also</title>
<para>&apt-get; &apt-cache;, &sources-list;,
&apt-conf;, &apt-config;,
The APT User's guide in &guidesdir;, &apt-preferences;, the APT Howto.</para>
</refsect1>
<refsect1><title>Diagnostics</title>
<para><command>apt</command> returns zero on normal operation, decimal 100 on error.</para>
</refsect1>
&manbugs;
</refentry>
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