-<!-- <refsect1><title>See Also</title> -->
-<!-- <para> -->
-<!-- &apt-conf;, &apt-get;, &sources-list; -->
-<!-- </refsect1> -->
+ <refsect1><title>Options</title>
+<para>Note that options need to be defined before the commands described in the previous section.</para>
+ <variablelist>
+ <varlistentry><term>--keyring <replaceable>filename</replaceable></term>
+ <listitem><para>With this option it is possible to specify a specific keyring
+ file the command should operate on. The default is that a command is executed
+ on the <filename>trusted.gpg</filename> file as well as on all parts in the
+ <filename>trusted.gpg.d</filename> directory, through <filename>trusted.gpg</filename>
+ is the primary keyring which means that e.g. new keys are added to this one.
+ </para></listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
+ <refsect1><title>Files</title>
+ <variablelist>
+
+ &file-trustedgpg;
+
+ <varlistentry><term><filename>/etc/apt/trustdb.gpg</filename></term>
+ <listitem><para>Local trust database of archive keys.</para></listitem>
+ </varlistentry>
+
+ <varlistentry><term><filename>/usr/share/keyrings/debian-archive-keyring.gpg</filename></term>
+ <listitem><para>Keyring of Debian archive trusted keys.</para></listitem>
+ </varlistentry>
+
+ <varlistentry><term><filename>/usr/share/keyrings/debian-archive-removed-keys.gpg</filename></term>
+ <listitem><para>Keyring of Debian archive removed trusted keys.</para></listitem>
+ </varlistentry>
+
+ </variablelist>
+
+</refsect1>
+
+<refsect1><title>See Also</title>
+<para>
+&apt-get;, &apt-secure;
+</para>
+</refsect1>