On Mon, 2006-09-18 at 11:24 -0400, Qiuli Han wrote: > i installed compiz, is that why i can just have 4 workspaces? AFAIK yes - XGL uses a cube to represent the workspaces and a cube has only 4 sides (disregarding top and bottom which XGL goes not use). I have read somewhere that the XGL folks plan to offer prisms with more than 4 sides