glfs/gnome/other/gdm/gdm-exp.xml

<sect2>
<title>Command explanations</title>

<para><command>--sysconfdir=/etc/gnome :</command> This command puts
configuration files in <filename>/etc/gnome</filename> instead of
<filename>/opt/gnome2/etc</filename>.</para>

<para><command>--localstatedir=/var/lib :</command> This command
puts files in <filename>/var/lib</filename> instead of
<filename>/opt/gnome2/var</filename>.</para>

<para><command>--with-pam-prefix=/etc :</command> This command puts pam
configuration files in <filename>/etc/pam.d</filename> instead of
<filename>/etc/gnome</filename>.</para>

</sect2>