Restart XServer from command line in Fedora - for testing xorg.conf settings…

telinit 3 #Shutdown X
telinit 5 #Starts X

To get into single user mode in Linux, stop the boot at grub then edit the kernal you want to boot and add the word ’single’ at the end. For example ‘kernel /vmlinuz-2.6.21-1.3194.fc7 ro root=LABEL=/ rhgb quiet single’(your line may be different)