#!/bin/sh


on_exit()
{
	echo
	echo Adios
	exit
}

trap "on_exit" INT 0 1 2 3 13 15

STTY=`stty -g`
stty intr ""
echo Now you can not ctrl-c
sleep 2
stty "$STTY"
echo Now you can ctrl-c
sleep 5
echo Bye