flashes the screen, and if that is not possible, sounds the alert.
If neither
alert is possible, nothing happens.
Nearly all terminals have an audible alert
(bell or beep), but only some can flash the screen.
.SH RETURN VALUE
flashes the screen, and if that is not possible, sounds the alert.
If neither
alert is possible, nothing happens.
Nearly all terminals have an audible alert
(bell or beep), but only some can flash the screen.
.SH RETURN VALUE