<listitem><para><literal>Missing</literal> is the number of package names that were referenced in
a dependency but were not provided by any package. Missing packages may
- be in evidence if a full distribution is not accessed, or if a package
+ be an evidence if a full distribution is not accessed, or if a package
(real or virtual) has been dropped from the distribution. Usually they
are referenced from Conflicts or Breaks statements.</para>
</listitem>
</varlistentry>
<varlistentry><term>pkgnames <replaceable>[ prefix ]</replaceable></term>
- <listitem><para>This command prints the name of each package in the system. The optional
+ <listitem><para>This command prints the name of each package APT knows. The optional
argument is a prefix match to filter the name list. The output is suitable
for use in a shell tab complete function and the output is generated
extremely quickly. This command is best used with the
- <option>--generate</option> option.</para></listitem>
+ <option>--generate</option> option.</para>
+ <para>Note that a package which APT knows of is not necessarily available to download,
+ installable or installed, e.g. virtual packages are also listed in the generated list.
+ </para></listitem>
</varlistentry>
<varlistentry><term>dotty <replaceable>pkg(s)</replaceable></term>
<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>&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-statelists;
</variablelist>
</refsect1>