BEEP SCRIPT

#!/bin/bash

#10 Minutes = 600
#30 Minutes = 1800
#1 Hour = 3600
#4 Hours = 14400
#sleep <secsbeforeinfinitelylooping>
condition=1
while (( $condition == 1 ))
do
num1=$((1 + RANDOM % <maxsecsbeforegoingoff>))
num2=$((1 + RANDOM % <maxtimesgoingoff>))
sleep $num1
while (( $num2 > 0 ))
do
wall '<yourmessagehere>'
((num2--))
done
done

#Execute with &
#then type jobs
#then type bg
#jobs again
#then disown
#close terminal