40-x11-autostart 370 Bytes
#!/bin/sh

if [ ! -x /usr/bin/X ]; then
	echo "SKIP autostart: X not installed" >&2
	exit 0
fi

## setup automated graphical session startup
INITTAB=/etc/inittab
if [ -f "$INITTAB" ]; then
	[ -z "$runlevel" ] && runlevel=5
	sed -i "s,^\(id:\)\(.*\)\(:initdefault.*\),\\1$runlevel\\3," "$INITTAB"
fi

## ...and systemd, if any
rm -f /etc/systemd/system/default.target

: