Creating the halt script
Create the /etc/init.d/halt script by running the
following command:
cat > /etc/init.d/halt << "EOF"
#!/bin/sh
# Begin /etc/init.d/halt
#
# Call halt. See man halt for the meaning of the parameters
#
/sbin/halt -d -f -i -p
# End /etc/init.d/halt
EOF