dpkg -l "*gdm*"
ii edgy-gdm-themes 0.8-0ubuntu1 ii feisty-gdm-themes 0.8-0ubuntu2 ii gdm 2.17.5-0ubuntu1
dpkg -l "*gdm*"
ii edgy-gdm-themes 0.8-0ubuntu1
ii feisty-gdm-themes 0.8-0ubuntu2
ii gdm 2.17.5-0ubuntu1