Often you need to turn off Compiz desktop effects to play a game, run an incompatable application, or even to watch video on some Intel chipsets. Previously I used the fusion-icon tray icon, which was not updated for newer versions of Ubuntu and Compiz. Until today I used the Visual Effects tab of the Appearance Preferences dialog in Ubuntu 7.10 to start and stop Compiz. Now there’s a simpler solution.
If you are considering trying Ubuntu, or if you have already made up your mind to switch, welcome! This page is here to make the process as comfortable as possible. It describes differences in behavior between the two systems. When you decide to switch, Transferring Files and Settings shows how to transfer your data.