beep: beep does exactly what you would expect: it beeps.
beep: 
beep: Unlike printf("\a"), beep allows you to control pitch, duration, and
beep: repetitions. Its job is to live inside shell/perl scripts and allow more
beep: granularity than one would otherwise have.  It is controlled completely
beep: through command line options.  It's not supposed to be complex, and it
beep: isn't - but it makes system monitoring (or whatever else it gets hacked
beep: onto) that much more informative.
beep: 
beep: You may need to set beep executable suid.
beep: