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#!/bin/sh if [ ! -x "`which beep`" ]; then exit0 fi if [ "$1" = "start" ]; then beep -p 500 200 beep -p 400 200 beep -p 600 200 beep -p 800 200 beep -p 800 200 fi if [ "$1" = "stop" ]; then beep -p 600 200 beep -p 800 200 beep -p 500 200 beep -p 400 200 beep -p 400 200 fi