'n Lys van paneel-ID's. Elke ID identifiseer 'n individuele topvlakpaneel. Die instellings vir elkeen van hierdie panele word in /apps/panel/toplevels/$(id) gestoor.
A list of panel IDs. Each ID identifies an individual toplevel panel. The settings for each of these panels are stored in /apps/panel/toplevels/$(id).