Close Encounters of the Third kind March 3, 2013TechLinux, Shellticapix Re, Mi, Do, Do, Sol beep -l 500 -f 392 -n -l 500 -f 440 -n -l 500 -f 349.2 -n -l 500 -f 174.6 -n -l 500 -f 262.6 Tweet