#!/bin/bash
(sleep 5; ping -c 50 -i .2 www.kernel.org > /dev/null 2>&1)  &
clear
( echo "$ (sleep 5; ping -c 50 -i .2 www.kernel.org) &" ; echo "$ tcpdump -i wlan0 icmp"; tcpdump -i wlan0 icmp ) 2>&1 | less -S
(sleep 5; ping -c 50 -i .2 www.kernel.org > /dev/null 2>&1)  &
clear
( echo "$ (sleep 5; ping -c 50 -i .2 www.kernel.org) &" ; echo "$ tcpdump -n -i wlan0 icmp"; tcpdump -n -i wlan0 icmp ) 2>&1 | less -S
clear
echo "End of Demo"
read -sn 1 x
