#/usr/sbin/update-rc.d -f (xdm | gdm | kdm) remove
# /usr/sbin/update-rc.d -f xdm remove
update-rc.d: /etc/init.d/xdm exists during rc.d purge (continuing)
Removing any system startup links for /etc/init.d/xdm ...
/etc/rc0.d/K01xdm
/etc/rc1.d/K01xdm
/etc/rc2.d/S99xdm
/etc/rc3.d/S99xdm
/etc/rc4.d/S99xdm
/etc/rc5.d/S99xdm
/etc/rc6.d/K01xdm
詳細は
man update-rc.d
