I think the problem is the Linux is not stable enough to be a desktop for fun especially who is not very familiar with it. For example, today I got X crashed 3 times due to the config of compiz. btw, did anyone try Alt + SysRq + K to kill/restart the X window? On 2012年01月06日 21:23, ubuntu-users-request at lists.ubuntu.com wrote: > Re: Ctrl-alt-backspace