1.1.6 Christmas release

[apt.git] / doc / apt-get.8.xml

diff --git a/doc/apt-get.8.xml b/doc/apt-get.8.xml
index 1bd21a5df368d84c3d218a9c3a34097ee40d99e6..60fa46f976b8be673eb1571d9316ff04c5e24ae2 100644 (file)
--- a/doc/apt-get.8.xml
+++ b/doc/apt-get.8.xml
@@ -1,10 +1,9 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
 <?xml version="1.0" encoding="utf-8" standalone="no"?>

-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
-
-<!ENTITY % aptent SYSTEM "apt.ent">
-%aptent;
-
+<!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;
+<!ENTITY % aptvendor SYSTEM "apt-vendor.ent"> %aptvendor;

 ]>
 
 <refentry>
 ]>
 
 <refentry>


@@ -15,12 +14,13 @@
    &apt-email;
    &apt-product;
    <!-- The last update date -->
    &apt-email;
    &apt-product;
    <!-- The last update date -->

-   <date>29 February 2004</date>
+   <date>2015-08-14T00:00:00Z</date>

  </refentryinfo>
  
  <refmeta>
    <refentrytitle>apt-get</refentrytitle>
    <manvolnum>8</manvolnum>
  </refentryinfo>
  
  <refmeta>
    <refentrytitle>apt-get</refentrytitle>
    <manvolnum>8</manvolnum>

+   <refmiscinfo class="manual">APT</refmiscinfo>

  </refmeta>
  
  <!-- Man page title -->
  </refmeta>
  
  <!-- Man page title -->


@@ -29,41 +29,19 @@
     <refpurpose>APT package handling utility -- command-line interface</refpurpose>
  </refnamediv>
 
     <refpurpose>APT package handling utility -- command-line interface</refpurpose>
  </refnamediv>
 

- <!-- Arguments -->
- <refsynopsisdiv>
-   <cmdsynopsis>
-      <command>apt-get</command>
-      <arg><option>-hvs</option></arg>
-      <arg><option>-o=<replaceable>config string</replaceable></option></arg>
-      <arg><option>-c=<replaceable>file</replaceable></option></arg>
-      <group choice="req">
-         <arg>update</arg>
-         <arg>upgrade</arg>
-         <arg>dselect-upgrade</arg>
-         <arg>install <arg choice="plain" rep="repeat"><replaceable>pkg</replaceable></arg></arg>
-         <arg>remove <arg choice="plain" rep="repeat"><replaceable>pkg</replaceable></arg></arg>
-         <arg>purge <arg choice="plain" rep="repeat"><replaceable>pkg</replaceable></arg></arg>
-         <arg>source <arg choice="plain" rep="repeat"><replaceable>pkg</replaceable></arg></arg>
-         <arg>build-dep <arg choice="plain" rep="repeat"><replaceable>pkg</replaceable></arg></arg>
-         <arg>check</arg>
-         <arg>clean</arg>
-         <arg>autoclean</arg>
-         <arg>autoremove</arg>
-      </group>   
-   </cmdsynopsis>
- </refsynopsisdiv>
- 
+ &synopsis-command-apt-get;
+

  <refsect1><title>Description</title>
    <para><command>apt-get</command> is the command-line tool for handling packages, and may be 
    considered the user's "back-end" to other tools using the APT
  <refsect1><title>Description</title>
    <para><command>apt-get</command> is the command-line tool for handling packages, and may be 
    considered the user's "back-end" to other tools using the APT

-   library.  Several "front-end" interfaces exist, such as dselect(8),
-   aptitude, synaptic, gnome-apt and wajig.</para>
+   library.  Several "front-end" interfaces exist, such as
+   &aptitude;, &synaptic; and &wajig;.</para>

 
    <para>Unless the <option>-h</option>, or <option>--help</option> option is given, one of the
    commands below must be present.</para>
    
    <variablelist>
 
    <para>Unless the <option>-h</option>, or <option>--help</option> option is given, one of the
    commands below must be present.</para>
    
    <variablelist>

-     <varlistentry><term>update</term>
+     <varlistentry><term><option>update</option></term>

      <listitem><para><literal>update</literal> is used to resynchronize the package index files from
      their sources. The indexes of available packages are fetched from the
      location(s) specified in <filename>/etc/apt/sources.list</filename>.
      <listitem><para><literal>update</literal> is used to resynchronize the package index files from
      their sources. The indexes of available packages are fetched from the
      location(s) specified in <filename>/etc/apt/sources.list</filename>.


@@ -75,7 +53,7 @@
      of the package files cannot be known in advance.</para></listitem>
      </varlistentry>
      
      of the package files cannot be known in advance.</para></listitem>
      </varlistentry>
      

-     <varlistentry><term>upgrade</term>
+     <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>. Packages currently installed with 
      <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>. Packages currently installed with 


@@ -88,40 +66,48 @@
      available.</para></listitem>
      </varlistentry>
 
      available.</para></listitem>
      </varlistentry>
 

-     <varlistentry><term>dselect-upgrade</term>
-     <listitem><para><literal>dselect-upgrade</literal>
-     is used in conjunction with the traditional Debian packaging
-     front-end, &dselect;. <literal>dselect-upgrade</literal>
-     follows the changes made by &dselect; to the <literal>Status</literal>
-     field of available packages, and performs the actions necessary to realize
-     that state (for instance, the removal of old and the installation of new
-     packages).</para></listitem>
-     </varlistentry>
-
-     <varlistentry><term>dist-upgrade</term>
+     <varlistentry><term><option>dist-upgrade</option></term>

      <listitem><para><literal>dist-upgrade</literal> in addition to performing the function of 
      <literal>upgrade</literal>, also intelligently handles changing dependencies 
      with new versions of packages; <command>apt-get</command> has a "smart" conflict 
      resolution system, and it will attempt to upgrade the most important 
      packages at the expense of less important ones if necessary. 
      <listitem><para><literal>dist-upgrade</literal> in addition to performing the function of 
      <literal>upgrade</literal>, also intelligently handles changing dependencies 
      with new versions of packages; <command>apt-get</command> has a "smart" conflict 
      resolution system, and it will attempt to upgrade the most important 
      packages at the expense of less important ones if necessary. 

+     The <literal>dist-upgrade</literal> command may therefore remove some packages.

      The <filename>/etc/apt/sources.list</filename> file contains a list of locations 
      from which to retrieve desired package files.
      See also &apt-preferences; for a mechanism for
      overriding the general settings for individual packages.</para></listitem>
      </varlistentry>
 
      The <filename>/etc/apt/sources.list</filename> file contains a list of locations 
      from which to retrieve desired package files.
      See also &apt-preferences; for a mechanism for
      overriding the general settings for individual packages.</para></listitem>
      </varlistentry>
 

-     <varlistentry><term>install</term>
-     <listitem><para><literal>install</literal> is followed by one or more packages desired for 
-     installation. Each package is a package name, not a fully qualified 
-     filename (for instance, in a Debian GNU/Linux system, libc6 would be the 
-     argument provided, not <literal>libc6_1.9.6-2.deb</literal>) All packages required 
-     by the package(s) specified for installation will also be retrieved and 
-     installed. The <filename>/etc/apt/sources.list</filename> file is used to locate 
-     the desired packages. If a hyphen is appended to the package name (with 
-     no intervening space), the identified package will be removed if it is 
-     installed. Similarly a plus sign can be used to designate a package to 
-     install. These latter features may be used to override decisions made by 
-     apt-get's conflict resolution system.</para>
+     <varlistentry><term><option>dselect-upgrade</option></term>
+     <listitem><para><literal>dselect-upgrade</literal>
+     is used in conjunction with the traditional Debian packaging
+     front-end, &dselect;. <literal>dselect-upgrade</literal>
+     follows the changes made by &dselect; to the <literal>Status</literal>
+     field of available packages, and performs the actions necessary to realize
+     that state (for instance, the removal of old and the installation of new
+     packages).</para></listitem>
+     </varlistentry>
+
+     <varlistentry><term><option>install</option></term>
+     <listitem>
+        <para><literal>install</literal> is followed by one or more 
+        packages desired for installation or upgrading. 
+        Each package is a package name, not a fully qualified 
+        filename (for instance, in a Debian system, 
+        <package>apt-utils</package> would be the argument provided, not 
+        <filename>apt-utils_&apt-product-version;_amd64.deb</filename>). All packages required 
+        by the package(s) specified for installation will also 
+        be retrieved and installed. 
+        The <filename>/etc/apt/sources.list</filename> file is 
+        used to locate the desired packages. If a hyphen is 
+        appended to the package name (with no intervening space), 
+        the identified package will be removed if it is installed. 
+        Similarly a plus sign can be used to designate a 
+        package to install. These latter features may be used 
+        to override decisions made by apt-get's conflict 
+        resolution system.
+        </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 
 
      <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 


@@ -133,6 +119,17 @@
      <para>Both of the version selection mechanisms can downgrade packages and must
      be used with care.</para>
 
      <para>Both of the version selection mechanisms can downgrade packages and must
      be used with care.</para>
 

+       <para>This is also the target to use if you want to upgrade one or 
+               more already-installed packages without upgrading every package 
+               you have on your system. Unlike the "upgrade" target, which 
+               installs the newest version of all currently installed packages, 
+               "install" will install the newest version of only the package(s) 
+               specified. Simply provide the name of the package(s) you wish 
+               to upgrade, and if a newer version is available, it (and its 
+               dependencies, as described above) will be downloaded and 
+               installed.
+       </para>
+

      <para>Finally, the &apt-preferences; mechanism allows you to
      create an alternative installation policy for
      individual packages.</para>
      <para>Finally, the &apt-preferences; mechanism allows you to
      create an alternative installation policy for
      individual packages.</para>


@@ -146,62 +143,78 @@
      with a '^' or '$' character, or create a more specific regular expression.</para></listitem>
      </varlistentry>
 
      with a '^' or '$' character, or create a more specific regular expression.</para></listitem>
      </varlistentry>
 

-     <varlistentry><term>remove</term>
+     <varlistentry><term><option>remove</option></term>

      <listitem><para><literal>remove</literal> is identical to <literal>install</literal> except that packages are 
      <listitem><para><literal>remove</literal> is identical to <literal>install</literal> except that packages are 

-     removed instead of installed. If a plus sign is appended to the package 
+        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>
 
      name (with no intervening space), the identified package will be 
      installed instead of removed.</para></listitem>
      </varlistentry>
 

-     <varlistentry><term>purge</term>
+     <varlistentry><term><option>purge</option></term>

      <listitem><para><literal>purge</literal> is identical to <literal>remove</literal> except that packages are 
      <listitem><para><literal>purge</literal> is identical to <literal>remove</literal> except that packages are 

-     removed and purged.</para></listitem>
+     removed and purged (any configuration files are deleted too).</para></listitem>

      </varlistentry>
 
      </varlistentry>
 

-     <varlistentry><term>source</term>
+     <varlistentry><term><option>source</option></term>

      <listitem><para><literal>source</literal> causes <command>apt-get</command> to fetch source packages. APT 
      will examine the available packages to decide which source package to 
      fetch. It will then find and download into the current directory the 
      <listitem><para><literal>source</literal> causes <command>apt-get</command> to fetch source packages. APT 
      will examine the available packages to decide which source package to 
      fetch. It will then find and download into the current directory the 

-     newest available version of that source package. Source packages are 
-     tracked separately from binary packages via <literal>deb-src</literal> type lines 
-     in the &sources-list; file. This probably will mean that you will not 
-     get the same source as the package you have installed or as you could 
-     install. If the --compile options is specified then the package will be 
-     compiled to a binary .deb using dpkg-buildpackage, if --download-only is 
-     specified then the source package will not be unpacked.</para>
+     newest available version of that source package while respecting the
+     default release, set with the option <literal>APT::Default-Release</literal>,
+     the <option>-t</option> option or per package with the
+     <literal>pkg/release</literal> syntax, if possible.</para>
+
+     <para>Source packages are tracked separately
+     from binary packages via <literal>deb-src</literal> lines 
+     in the &sources-list; file. This means that you will need to add such a line
+     for each repository you want to get sources from; otherwise you will probably
+     get either the wrong (too old/too new) source versions or none at all.</para>
+
+     <para>If the <option>--compile</option> option is specified
+     then the package will be compiled to a binary .deb using
+     <command>dpkg-buildpackage</command> for the architecture as
+     defined by the <command>--host-architecture</command> option.
+     If <option>--download-only</option> is specified then the source package
+     will not be unpacked.</para>

 
      <para>A specific source version can be retrieved by postfixing the source name
      with an equals and then the version to fetch, similar to the mechanism
      used for the package files. This enables exact matching of the source 
      package name and version, implicitly enabling the 
      <literal>APT::Get::Only-Source</literal> option.</para>
 
      <para>A specific source version can be retrieved by postfixing the source name
      with an equals and then the version to fetch, similar to the mechanism
      used for the package files. This enables exact matching of the source 
      package name and version, implicitly enabling the 
      <literal>APT::Get::Only-Source</literal> option.</para>

-     
-     <para>Note that source packages are not tracked like binary packages, they 
-     exist only in the current directory and are similar to downloading source
-     tar balls.</para></listitem>
+
+     <para>Note that source packages are not installed and tracked in the
+     <command>dpkg</command> database like binary packages; they are simply downloaded
+     to the current directory, like source tarballs.</para></listitem>

      </varlistentry>
 
      </varlistentry>
 

-     <varlistentry><term>build-dep</term>
+     <varlistentry><term><option>build-dep</option></term>

      <listitem><para><literal>build-dep</literal> causes apt-get to install/remove packages in an 
      <listitem><para><literal>build-dep</literal> causes apt-get to install/remove packages in an 

-     attempt to satisfy the build dependencies for a source package.</para></listitem>
+     attempt to satisfy the build dependencies for a source package. By default the dependencies are
+     satisfied to build the package natively. If desired a host-architecture can be specified
+     with the <option>--host-architecture</option> option instead.</para></listitem>

      </varlistentry>
 
      </varlistentry>
 

-     <varlistentry><term>check</term>
+     <varlistentry><term><option>check</option></term>

      <listitem><para><literal>check</literal> is a diagnostic tool; it updates the package cache and checks 
      for broken dependencies.</para></listitem>
      </varlistentry>
 
      <listitem><para><literal>check</literal> is a diagnostic tool; it updates the package cache and checks 
      for broken dependencies.</para></listitem>
      </varlistentry>
 

-     <varlistentry><term>clean</term>
+     <varlistentry><term><option>download</option></term>
+       <listitem><para><literal>download</literal> will download the given
+           binary package into the current directory.
+       </para></listitem>
+     </varlistentry>
+
+     <varlistentry><term><option>clean</option></term>

      <listitem><para><literal>clean</literal> clears out the local repository of retrieved package 
      files. It removes everything but the lock file from 
      <filename>&cachedir;/archives/</filename> and 
      <listitem><para><literal>clean</literal> clears out the local repository of retrieved package 
      files. It removes everything but the lock file from 
      <filename>&cachedir;/archives/</filename> and 

-     <filename>&cachedir;/archives/partial/</filename>. When APT is used as a 
-     &dselect; method, <literal>clean</literal> is run automatically.
-     Those who do not use dselect will likely want to run <literal>apt-get clean</literal>
-     from time to time to free up disk space.</para></listitem>
+     <filename>&cachedir;/archives/partial/</filename>.</para></listitem>

      </varlistentry>
 
      </varlistentry>
 

-     <varlistentry><term>autoclean</term>
+     <varlistentry><term><option>autoclean</option> (and the <option>auto-clean</option> alias since 1.1)</term>

      <listitem><para>Like <literal>clean</literal>, <literal>autoclean</literal> clears out the local 
      repository of retrieved package files. The difference is that it only 
      removes package files that can no longer be downloaded, and are largely 
      <listitem><para>Like <literal>clean</literal>, <literal>autoclean</literal> clears out the local 
      repository of retrieved package files. The difference is that it only 
      removes package files that can no longer be downloaded, and are largely 


@@ -211,10 +224,38 @@
      erased if it is set to off.</para></listitem>
      </varlistentry>
 
      erased if it is set to off.</para></listitem>
      </varlistentry>
 

-     <varlistentry><term>autoremove</term>
+     <varlistentry><term><option>autoremove</option> (and the <option>auto-remove</option> alias since 1.1)</term>

      <listitem><para><literal>autoremove</literal> is used to remove packages that were automatically
      <listitem><para><literal>autoremove</literal> is used to remove packages that were automatically

-     installed to satisfy dependencies for some package and that are no more needed.</para></listitem>
+     installed to satisfy dependencies for other packages and are now no longer needed.</para></listitem>

      </varlistentry>
      </varlistentry>

+
+     <varlistentry><term><option>changelog</option></term>
+       <listitem><para><literal>changelog</literal> tries to download the
+             changelog of a package and displays it through
+             <command>sensible-pager</command>.  By default it
+             displays the changelog for the version that is installed.
+             However, you can specify the same options as for the
+             <option>install</option> command.</para>
+       </listitem>
+     </varlistentry>
+
+     <varlistentry><term><option>indextargets</option></term>
+       <listitem><para>Displays by default a deb822 formatted listing of
+             information about all data files (aka index targets) <command>apt-get
+                update</command> would download. Supports a
+             <option>--format</option> option to modify the output format as
+             well as accepts lines of the default output to filter the records
+             by. The command is mainly used as an interface for external tools
+             working with APT to get information as well as filenames for
+             downloaded files so they can use them as well instead of
+             downloading them again on their own. Detailed documentation is
+             omitted here and can instead be found in the source tree in
+             <literal><filename>doc/acquire-additional-files.txt</filename></literal>.
+          </para>
+       </listitem>
+     </varlistentry>
+
+

    </variablelist>
  </refsect1>
  
    </variablelist>
  </refsect1>
  


@@ -222,6 +263,16 @@
    &apt-cmdblurb;
 
    <variablelist>
    &apt-cmdblurb;
 
    <variablelist>

+     <varlistentry><term><option>--no-install-recommends</option></term>
+     <listitem><para>Do not consider recommended packages as a dependency for installing.
+     Configuration Item: <literal>APT::Install-Recommends</literal>.</para></listitem>
+     </varlistentry>
+
+     <varlistentry><term><option>--install-suggests</option></term>
+     <listitem><para>Consider suggested packages as a dependency for installing.
+     Configuration Item: <literal>APT::Install-Suggests</literal>.</para></listitem>
+     </varlistentry>
+

      <varlistentry><term><option>-d</option></term><term><option>--download-only</option></term>
      <listitem><para>Download only; package files are only retrieved, not unpacked or installed.
      Configuration Item: <literal>APT::Get::Download-Only</literal>.</para></listitem>
      <varlistentry><term><option>-d</option></term><term><option>--download-only</option></term>
      <listitem><para>Download only; package files are only retrieved, not unpacked or installed.
      Configuration Item: <literal>APT::Get::Download-Only</literal>.</para></listitem>


@@ -230,12 +281,12 @@
      <varlistentry><term><option>-f</option></term><term><option>--fix-broken</option></term>
      <listitem><para>Fix; attempt to correct a system with broken dependencies in            
      place. This option, when used with install/remove, can omit any packages
      <varlistentry><term><option>-f</option></term><term><option>--fix-broken</option></term>
      <listitem><para>Fix; attempt to correct a system with broken dependencies in            
      place. This option, when used with install/remove, can omit any packages

-     to permit APT to deduce a likely solution. Any Package that are specified
-     must completely correct the problem. The option is sometimes necessary when 
+     to permit APT to deduce a likely solution. If packages are specified,
+     these have to completely correct the problem. The option is sometimes necessary when 

      running APT for the first time; APT itself does not allow broken package 
      dependencies to exist on a system. It is possible that a system's 
      dependency structure can be so corrupt as to require manual intervention 
      running APT for the first time; APT itself does not allow broken package 
      dependencies to exist on a system. It is possible that a system's 
      dependency structure can be so corrupt as to require manual intervention 

-     (which usually means using &dselect; or <command>dpkg --remove</command> to eliminate some of 
+     (which usually means using <command>dpkg --remove</command> to eliminate some of

      the offending packages). Use of this option together with <option>-m</option> may produce an
      error in some situations. 
      Configuration Item: <literal>APT::Get::Fix-Broken</literal>.</para></listitem>
      the offending packages). Use of this option together with <option>-m</option> may produce an
      error in some situations. 
      Configuration Item: <literal>APT::Get::Fix-Broken</literal>.</para></listitem>


@@ -243,7 +294,7 @@
 
      <varlistentry><term><option>-m</option></term><term><option>--ignore-missing</option></term>
      <term><option>--fix-missing</option></term>
 
      <varlistentry><term><option>-m</option></term><term><option>--ignore-missing</option></term>
      <term><option>--fix-missing</option></term>

-     <listitem><para>Ignore missing packages; If packages cannot be retrieved or fail the    
+     <listitem><para>Ignore missing packages; if packages cannot be retrieved or fail the    

      integrity check after retrieval (corrupted package files), hold back    
      those packages and handle the result. Use of this option together with  
      <option>-f</option> may produce an error in some situations. If a package is 
      integrity check after retrieval (corrupted package files), hold back    
      those packages and handle the result. Use of this option together with  
      <option>-f</option> may produce an error in some situations. If a package is 


@@ -264,9 +315,9 @@
      <listitem><para>Quiet; produces output suitable for logging, omitting progress indicators.
      More q's will produce more quiet up to a maximum of 2. You can also use
      <option>-q=#</option> to set the quiet level, overriding the configuration file. 
      <listitem><para>Quiet; produces output suitable for logging, omitting progress indicators.
      More q's will produce more quiet up to a maximum of 2. You can also use
      <option>-q=#</option> to set the quiet level, overriding the configuration file. 

-     Note that quiet level 2 implies <option>-y</option>, you should never use -qq 
+     Note that quiet level 2 implies <option>-y</option>; you should never use -qq 

      without a no-action modifier such as -d, --print-uris or -s as APT may 
      without a no-action modifier such as -d, --print-uris or -s as APT may 

-     decided to do something you did not expect.
+     decide to do something you did not expect.

      Configuration Item: <literal>quiet</literal>.</para></listitem>
      </varlistentry>
 
      Configuration Item: <literal>quiet</literal>.</para></listitem>
      </varlistentry>
 


@@ -276,15 +327,20 @@
                   <term><option>--dry-run</option></term>
                   <term><option>--recon</option></term>
                   <term><option>--no-act</option></term>
                   <term><option>--dry-run</option></term>
                   <term><option>--recon</option></term>
                   <term><option>--no-act</option></term>

-     <listitem><para>No action; perform a simulation of events that would occur but do not
-     actually change the system. 
-     Configuration Item: <literal>APT::Get::Simulate</literal>.</para>
-
-     <para>Simulate prints out
-     a series of lines each one representing a dpkg operation, Configure (Conf),
-     Remove (Remv), Unpack (Inst). Square brackets indicate broken packages with
-     and empty set of square brackets meaning breaks that are of no consequence
-     (rare).</para></listitem>
+     <listitem><para>No action; perform a simulation of events that would occur
+          based on the current system state but do not actually change the
+          system. Locking will be disabled (<option>Debug::NoLocking</option>)
+          so the system state could change while <command>apt-get</command> is
+          running. Simulations can also be executed by non-root users which might
+          not have read access to all apt configuration distorting the simulation.
+          A notice expressing this warning is also shown by default for non-root
+          users (<option>APT::Get::Show-User-Simulation-Note</option>).
+          Configuration Item: <literal>APT::Get::Simulate</literal>.</para>
+
+     <para>Simulated runs print out a series of lines, each representing a <command>dpkg</command>
+     operation: configure (<literal>Conf</literal>), remove (<literal>Remv</literal>)
+     or unpack (<literal>Inst</literal>). Square brackets indicate broken packages, and
+     empty square brackets indicate breaks that are of no consequence (rare).</para></listitem>

      </varlistentry>
 
      <varlistentry><term><option>-y</option></term><term><option>--yes</option></term>
      </varlistentry>
 
      <varlistentry><term><option>-y</option></term><term><option>--yes</option></term>


@@ -296,8 +352,13 @@
      Configuration Item: <literal>APT::Get::Assume-Yes</literal>.</para></listitem>
      </varlistentry>
 
      Configuration Item: <literal>APT::Get::Assume-Yes</literal>.</para></listitem>
      </varlistentry>
 

+     <varlistentry><term><option>--assume-no</option></term>
+     <listitem><para>Automatic "no" to all prompts.
+     Configuration Item: <literal>APT::Get::Assume-No</literal>.</para></listitem>
+     </varlistentry>
+

      <varlistentry><term><option>-u</option></term><term><option>--show-upgraded</option></term>
      <varlistentry><term><option>-u</option></term><term><option>--show-upgraded</option></term>

-     <listitem><para>Show upgraded packages; Print out a list of all packages that are to be
+     <listitem><para>Show upgraded packages; print out a list of all packages that are to be

      upgraded. 
      Configuration Item: <literal>APT::Get::Show-Upgraded</literal>.</para></listitem>
      </varlistentry>
      upgraded. 
      Configuration Item: <literal>APT::Get::Show-Upgraded</literal>.</para></listitem>
      </varlistentry>


@@ -307,6 +368,27 @@
      Configuration Item: <literal>APT::Get::Show-Versions</literal>.</para></listitem>
      </varlistentry>
 
      Configuration Item: <literal>APT::Get::Show-Versions</literal>.</para></listitem>
      </varlistentry>
 

+     <varlistentry><term><option>-a</option></term>
+                   <term><option>--host-architecture</option></term>
+     <listitem><para>This option controls the architecture packages are built for
+     by <command>apt-get source --compile</command> and how cross-builddependencies
+     are satisfied. By default is it not set which means that the host architecture
+     is the same as the build architecture (which is defined by <literal>APT::Architecture</literal>).
+     Configuration Item: <literal>APT::Get::Host-Architecture</literal>.
+     </para></listitem>
+     </varlistentry>
+
+     <varlistentry><term><option>-P</option></term>
+                   <term><option>--build-profiles</option></term>
+     <listitem><para>This option controls the activated build profiles for which
+     a source package is built by <command>apt-get source --compile</command> and
+     how build dependencies are satisfied. By default no build profile is active.
+     More than one build profile can be activated at a time by concatenating them
+     with a comma.
+     Configuration Item: <literal>APT::Build-Profiles</literal>.
+     </para></listitem>
+     </varlistentry>
+

      <varlistentry><term><option>-b</option></term><term><option>--compile</option></term>
                    <term><option>--build</option></term>
      <listitem><para>Compile source packages after downloading them.
      <varlistentry><term><option>-b</option></term><term><option>--compile</option></term>
                    <term><option>--build</option></term>
      <listitem><para>Compile source packages after downloading them.


@@ -314,31 +396,75 @@
      </varlistentry>
 
      <varlistentry><term><option>--ignore-hold</option></term>
      </varlistentry>
 
      <varlistentry><term><option>--ignore-hold</option></term>

-     <listitem><para>Ignore package Holds; This causes <command>apt-get</command> to ignore a hold 
+     <listitem><para>Ignore package holds; this causes <command>apt-get</command> to ignore a hold 

      placed on a package. This may be useful in conjunction with 
      <literal>dist-upgrade</literal> to override a large number of undesired holds. 
      Configuration Item: <literal>APT::Ignore-Hold</literal>.</para></listitem>
      </varlistentry>
 
      placed on a package. This may be useful in conjunction with 
      <literal>dist-upgrade</literal> to override a large number of undesired holds. 
      Configuration Item: <literal>APT::Ignore-Hold</literal>.</para></listitem>
      </varlistentry>
 

+     <varlistentry><term><option>--with-new-pkgs</option></term>
+     <listitem><para>Allow installing new packages when used in
+     conjunction with <literal>upgrade</literal>.  This is useful if
+     the update of a installed package requires new dependencies to be
+     installed. Instead of holding the package back <literal>upgrade</literal>
+     will upgrade the package and install the new dependencies. Note that
+     <literal>upgrade</literal> with this option will never remove packages,
+     only allow adding new ones.
+     Configuration Item:  <literal>APT::Get::Upgrade-Allow-New</literal>.
+     </para></listitem>
+     </varlistentry>
+

      <varlistentry><term><option>--no-upgrade</option></term>
      <varlistentry><term><option>--no-upgrade</option></term>

-     <listitem><para>Do not upgrade packages; When used in conjunction with <literal>install</literal>,
+     <listitem><para>Do not upgrade packages; when used in conjunction with <literal>install</literal>,

      <literal>no-upgrade</literal> will prevent packages on the command line
      from being upgraded if they are already installed.
      Configuration Item: <literal>APT::Get::Upgrade</literal>.</para></listitem>
      </varlistentry>
 
      <literal>no-upgrade</literal> will prevent packages on the command line
      from being upgraded if they are already installed.
      Configuration Item: <literal>APT::Get::Upgrade</literal>.</para></listitem>
      </varlistentry>
 

+     <varlistentry><term><option>--only-upgrade</option></term>
+     <listitem><para>Do not install new packages; when used in conjunction
+     with <literal>install</literal>, <literal>only-upgrade</literal> will
+     install upgrades for already installed packages only and ignore requests
+     to install new packages.
+     Configuration Item: <literal>APT::Get::Only-Upgrade</literal>.</para></listitem>
+     </varlistentry>
+
+     <varlistentry><term><option>--allow-downgrades</option></term>
+     <listitem><para>This is a dangerous option that will cause apt to continue
+     without prompting if it is doing downgrades. It
+     should not be used except in very special situations. Using
+     it can potentially destroy your system!
+     Configuration Item: <literal>APT::Get::allow-downgrades</literal>. Introduced in APT 1.1.</para></listitem>
+     </varlistentry>
+
+     <varlistentry><term><option>--allow-remove-essential</option></term>
+     <listitem><para>Force yes; this is a dangerous option that will cause apt to continue
+     without prompting if it is removing essentials. It
+     should not be used except in very special situations. Using
+     it can potentially destroy your system!
+     Configuration Item: <literal>APT::Get::allow-remove-essential</literal>. Introduced in APT 1.1.</para></listitem>
+     </varlistentry>
+
+     <varlistentry><term><option>--allow-change-held-packages</option></term>
+     <listitem><para>Force yes; this is a dangerous option that will cause apt to continue
+     without prompting if it is changing held packages. It
+     should not be used except in very special situations. Using
+     it can potentially destroy your system!
+     Configuration Item: <literal>APT::Get::allow-change-held-packages</literal>. Introduced in APT 1.1.</para></listitem>
+     </varlistentry>
+

      <varlistentry><term><option>--force-yes</option></term>
      <varlistentry><term><option>--force-yes</option></term>

-     <listitem><para>Force yes; This is a dangerous option that will cause apt to continue 
+     <listitem><para>Force yes; this is a dangerous option that will cause apt to continue 

      without prompting if it is doing something potentially harmful. It 
      should not be used except in very special situations. Using 
      <literal>force-yes</literal> can potentially destroy your system! 
      without prompting if it is doing something potentially harmful. It 
      should not be used except in very special situations. Using 
      <literal>force-yes</literal> can potentially destroy your system! 

-     Configuration Item: <literal>APT::Get::force-yes</literal>.</para></listitem>
+     Configuration Item: <literal>APT::Get::force-yes</literal>. This is deprecated and replaced by <option>--allow-downgrades</option>, <option>--allow-remove-essential</option>, <option>--allow-change-held-packages</option> in 1.1. </para></listitem>

      </varlistentry>
 
      <varlistentry><term><option>--print-uris</option></term>
      <listitem><para>Instead of fetching the files to install their URIs are printed. Each
      URI will have the path, the destination file name, the size and the expected
      </varlistentry>
 
      <varlistentry><term><option>--print-uris</option></term>
      <listitem><para>Instead of fetching the files to install their URIs are printed. Each
      URI will have the path, the destination file name, the size and the expected

-     md5 hash. Note that the file name to write to will not always match
+     MD5 hash. Note that the file name to write to will not always match

      the file name on the remote site! This also works with the 
      <literal>source</literal> and <literal>update</literal> commands. When used with the
      <literal>update</literal> command the MD5 and size are not included, and it is
      the file name on the remote site! This also works with the 
      <literal>source</literal> and <literal>update</literal> commands. When used with the
      <literal>update</literal> command the MD5 and size are not included, and it is


@@ -349,33 +475,36 @@
      <varlistentry><term><option>--purge</option></term>
      <listitem><para>Use purge instead of remove for anything that would be removed.
      An asterisk ("*") will be displayed next to packages which are
      <varlistentry><term><option>--purge</option></term>
      <listitem><para>Use purge instead of remove for anything that would be removed.
      An asterisk ("*") will be displayed next to packages which are

-     scheduled to be purged.
+        scheduled to be purged. <option>remove --purge</option> is equivalent to the
+        <option>purge</option> command.

      Configuration Item: <literal>APT::Get::Purge</literal>.</para></listitem>
      </varlistentry>
 
      <varlistentry><term><option>--reinstall</option></term>
      Configuration Item: <literal>APT::Get::Purge</literal>.</para></listitem>
      </varlistentry>
 
      <varlistentry><term><option>--reinstall</option></term>

-     <listitem><para>Re-Install packages that are already installed and at the newest version.
+     <listitem><para>Re-install packages that are already installed and at the newest version.

      Configuration Item: <literal>APT::Get::ReInstall</literal>.</para></listitem>
      </varlistentry>
 
      <varlistentry><term><option>--list-cleanup</option></term>
      Configuration Item: <literal>APT::Get::ReInstall</literal>.</para></listitem>
      </varlistentry>
 
      <varlistentry><term><option>--list-cleanup</option></term>

-     <listitem><para>This option defaults to on, use <literal>--no-list-cleanup</literal> to turn it 
-     off. When on <command>apt-get</command> will automatically manage the contents of 
-     <filename>&statedir;/lists</filename> to ensure that obsolete files are erased. 
-     The only  reason to turn it off is if you frequently change your source 
-     list. 
+     <listitem><para>This option is on by default; use <literal>--no-list-cleanup</literal> to turn
+     it off. When it is on, <command>apt-get</command> will automatically manage the contents
+     of <filename>&statedir;/lists</filename> to ensure that obsolete files are erased.
+     The only reason to turn it off is if you frequently change your sources list.

      Configuration Item: <literal>APT::Get::List-Cleanup</literal>.</para></listitem>
      </varlistentry>
 
      <varlistentry><term><option>-t</option></term>
                    <term><option>--target-release</option></term>
                    <term><option>--default-release</option></term>
      Configuration Item: <literal>APT::Get::List-Cleanup</literal>.</para></listitem>
      </varlistentry>
 
      <varlistentry><term><option>-t</option></term>
                    <term><option>--target-release</option></term>
                    <term><option>--default-release</option></term>

-     <listitem><para>This option controls the default input to the policy engine, it creates
-     a default pin at priority 990 using the specified release string. The
-     preferences file may further override this setting. In short, this option
+     <listitem><para>This option controls the default input to the policy engine; it creates
+     a default pin at priority 990 using the specified release string.
+     This overrides the general settings in <filename>/etc/apt/preferences</filename>.
+     Specifically pinned packages are not affected by the value
+     of this option. In short, this option

      lets you have simple control over which distribution packages will be
      retrieved from. Some common examples might be 
      lets you have simple control over which distribution packages will be
      retrieved from. Some common examples might be 

-     <option>-t '2.1*'</option> or <option>-t unstable</option>.
+     <option>-t '2.1*'</option>, <option>-t unstable</option>
+     or <option>-t sid</option>.

      Configuration Item: <literal>APT::Default-Release</literal>;
      see also the &apt-preferences; manual page.</para></listitem>
      </varlistentry>
      Configuration Item: <literal>APT::Default-Release</literal>;
      see also the &apt-preferences; manual page.</para></listitem>
      </varlistentry>


@@ -383,7 +512,7 @@
      <varlistentry><term><option>--trivial-only</option></term>
      <listitem><para>
      Only perform operations that are 'trivial'. Logically this can be considered
      <varlistentry><term><option>--trivial-only</option></term>
      <listitem><para>
      Only perform operations that are 'trivial'. Logically this can be considered

-     related to <option>--assume-yes</option>, where <option>--assume-yes</option> will answer 
+     related to <option>--assume-yes</option>; where <option>--assume-yes</option> will answer 

      yes to any prompt, <option>--trivial-only</option> will answer no. 
      Configuration Item: <literal>APT::Get::Trivial-Only</literal>.</para></listitem>
      </varlistentry>
      yes to any prompt, <option>--trivial-only</option> will answer no. 
      Configuration Item: <literal>APT::Get::Trivial-Only</literal>.</para></listitem>
      </varlistentry>


@@ -396,7 +525,7 @@
 
      <varlistentry><term><option>--auto-remove</option></term>
      <listitem><para>If the command is either <literal>install</literal> or <literal>remove</literal>,
 
      <varlistentry><term><option>--auto-remove</option></term>
      <listitem><para>If the command is either <literal>install</literal> or <literal>remove</literal>,

-     then this option acts like running <literal>autoremove</literal> command, removing the unused
+     then this option acts like running the <literal>autoremove</literal> command, removing unused

      dependency packages. Configuration Item: <literal>APT::Get::AutomaticRemove</literal>.
      </para></listitem>
      </varlistentry>
      dependency packages. Configuration Item: <literal>APT::Get::AutomaticRemove</literal>.
      </para></listitem>
      </varlistentry>


@@ -424,11 +553,31 @@
      </varlistentry>
 
      <varlistentry><term><option>--allow-unauthenticated</option></term>
      </varlistentry>
 
      <varlistentry><term><option>--allow-unauthenticated</option></term>

-     <listitem><para>Ignore if packages can't be authenticated and don't prompt about it.
-     This is usefull for tools like pbuilder.
-     Configuration Item: <literal>APT::Get::AllowUnauthenticated</literal>.</para></listitem>
+     <listitem><para>Ignore if packages can't be authenticated and don't prompt
+          about it.  This can be useful while working with local repositories,
+          but is a huge security risk if data authenticity isn't ensured in
+          another way by the user itself.  The usage of the
+          <option>Trusted</option> option for &sources-list; entries should
+          usually be preferred over this global override.  Configuration Item:
+          <literal>APT::Get::AllowUnauthenticated</literal>.</para></listitem>

      </varlistentry>
      </varlistentry>

-     
+
+     <varlistentry><term><option>--no-allow-insecure-repositories</option></term>
+     <listitem><para>Forbid the update command to acquire unverifiable
+     data from configured sources. Apt will fail at the update command
+     for repositories without valid cryptographically signatures.
+
+     Configuration Item: <literal>Acquire::AllowInsecureRepositories</literal>.</para></listitem>
+     </varlistentry>
+
+     <varlistentry><term><option>--show-progress</option></term>
+     <listitem><para>Show user friendly progress information in the
+     terminal window when packages are installed, upgraded or
+     removed. For a machine parsable version of this data see
+     README.progress-reporting in the apt doc directory.
+     Configuration Item: <literal>Dpkg::Progress</literal> and <literal>Dpkg::Progress-Fancy</literal>.</para></listitem>
+     </varlistentry>
+    

 
      &apt-commonoptions;
      
 
      &apt-commonoptions;
      


@@ -437,55 +586,16 @@
 
  <refsect1><title>Files</title>
    <variablelist>
 
  <refsect1><title>Files</title>
    <variablelist>

-     <varlistentry><term><filename>/etc/apt/sources.list</filename></term>
-     <listitem><para>Locations to fetch packages from.
-     Configuration Item: <literal>Dir::Etc::SourceList</literal>.</para></listitem>
-     </varlistentry>
-     
-     <varlistentry><term><filename>/etc/apt/apt.conf</filename></term>
-     <listitem><para>APT configuration file.
-     Configuration Item: <literal>Dir::Etc::Main</literal>.</para></listitem>
-     </varlistentry>
-     
-     <varlistentry><term><filename>/etc/apt/apt.conf.d/</filename></term>
-     <listitem><para>APT configuration file fragments
-     Configuration Item: <literal>Dir::Etc::Parts</literal>.</para></listitem>
-     </varlistentry>
-     
-     <varlistentry><term><filename>/etc/apt/preferences</filename></term>
-     <listitem><para>Version preferences file.
-     This is where you would specify "pinning",
-     i.e. a preference to get certain packages
-     from a separate source
-     or from a different version of a distribution.
-     Configuration Item: <literal>Dir::Etc::Preferences</literal>.</para></listitem>
-     </varlistentry>
-     
-     <varlistentry><term><filename>&cachedir;/archives/</filename></term>
-     <listitem><para>Storage area for retrieved package files.
-     Configuration Item: <literal>Dir::Cache::Archives</literal>.</para></listitem>
-     </varlistentry>
-     
-     <varlistentry><term><filename>&cachedir;/archives/partial/</filename></term>
-     <listitem><para>Storage area for package files in transit.
-     Configuration Item: <literal>Dir::Cache::Archives</literal> (implicit partial). </para></listitem>
-     </varlistentry>
-     
-     <varlistentry><term><filename>&statedir;/lists/</filename></term>
-     <listitem><para>Storage area for state information for each package resource specified in
-     &sources-list;
-     Configuration Item: <literal>Dir::State::Lists</literal>.</para></listitem>
-     </varlistentry>
-  
-     <varlistentry><term><filename>&statedir;/lists/partial/</filename></term>
-     <listitem><para> Storage area for state information in transit.
-     Configuration Item: <literal>Dir::State::Lists</literal> (implicit partial).</para></listitem>
-     </varlistentry>     
+     &file-sourceslist;
+     &file-aptconf;
+     &file-preferences;
+     &file-cachearchives;
+     &file-statelists;

    </variablelist>
  </refsect1>
 
  <refsect1><title>See Also</title>
    </variablelist>
  </refsect1>
 
  <refsect1><title>See Also</title>

-   <para>&apt-cache;, &apt-cdrom;, &dpkg;, &dselect;, &sources-list;,
+   <para>&apt-cache;, &apt-cdrom;, &dpkg;, &sources-list;,

    &apt-conf;, &apt-config;, &apt-secure;, 
    The APT User's guide in &guidesdir;, &apt-preferences;, the APT Howto.</para>
  </refsect1>
    &apt-conf;, &apt-config;, &apt-secure;, 
    The APT User's guide in &guidesdir;, &apt-preferences;, the APT Howto.</para>
  </refsect1>


@@ -493,7 +603,5 @@
  <refsect1><title>Diagnostics</title>
    <para><command>apt-get</command> returns zero on normal operation, decimal 100 on error.</para>
  </refsect1>
  <refsect1><title>Diagnostics</title>
    <para><command>apt-get</command> returns zero on normal operation, decimal 100 on error.</para>
  </refsect1>

-

  &manbugs;
  &manbugs;

- 

 </refentry>
 </refentry>