matthew@matthew-desktop:~$ dpkg -l|grep compiz ii compiz 0.3.6-1ubuntu13 OpenGL window and compositing manager ii compiz-core 0.3.6-1ubuntu13 OpenGL window and compositing manager ii compiz-gnome 0.3.6-1ubuntu13 OpenGL window and compositing manager - GNOM ii compiz-gtk 0.3.6-1ubuntu13 OpenGL window and compositing manager - Gtk ii compiz-plugins 0.3.6-1ubuntu13 OpenGL window and compositing manager - plug matthew@matthew-desktop:~$