Updating: as of Ubuntu 14.04 there doesn't seem to be *be* a raise/lower function. You can bind a key to raise or to lower, but not raise/lower. I couldn't even find it in compizconfig-settings-manager
Updating: as of Ubuntu 14.04 there doesn't seem to be *be* a raise/lower function. You can bind a key to raise or to lower, but not raise/lower. I couldn't even find it in compizconfig- settings- manager