startx指令

startx &

startx — :1
startx — :2
startx — :3

重新設置:
rm /etc/X11/XF86Config
redhat-config-xfree86

強制:
rm -f /etc/X11/XF86Config
CD#1 boot
mount /mnt/cdrom
cd /mnt/cdrom/RedHat/RPMS
rpm -Uvh –force XFree86*
rm /etc/X11/XF86Config
redhat-config-xfree86
redhat-config-xfree86 –reconfig