That actually works on Compiz (Fusion) that is installed on Ubuntu and several other Linux variants. More info on their wiki: http://wiki.compiz-fusion.org/Plu

That actually works on Compiz (Fusion) that is installed on Ubuntu and several other Linux variants. More info on their wiki: http://wiki.compiz-fusion.org/Plugins/Group http://wiki.compiz-fusion.org/Plugins/Group