On Oct 6 2007 10:55, Alan Cox wrote:
quoted text
>> > 
>> > It is already possible to deactivate the vc bell on a per-tty basis,
>> > by using echo -en "\e[11;0]", but this is reset on reset(1).
>> > 
>> > This adds a sysfs parameter to globally control the vc bell, as well
>> > as sysfs parameters for default pitch and duration.
>> 
>man setterm
>
>See -blength and -bfreq

Only sets length and freq of current tty, and only until `reset`.
It's equivalent to \e[10;x] and \e[11;x].
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