What beeps when mail arrives ?

[Peter P.]

Hi all,

I have a question: what beeps when new mail arrives ? I have biff etc turned
off, but if there is any open shell, it beeps. This is annoying. 'env|grep MAIL'
is empty, 'set|grep MAIL' yields MAILCHECK=60. Where is this bash behavior
documented ? I suppose that unsetting MAILCHECK disables the beep, but what I
need is the place where the beep is configured. Something like MAILCMD or such.

thanks,
Peter


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