

It can also be used to define the sound produced by a car horn. Use in transport īeeps are also used as a warning when a truck, lorry or bus is reversing. The command-line interfaces of the ReactOS, PTS-DOS, SISNE plus, and AROS operating systems include a beep command.Ī beep command is also part of ASCII's MSX-DOS2 Tools for MSX-DOS version 2. ReactOS, PTS-DOS, SISNE plus, AROS, MSX-DOS Various open-source and commercial developers A beep is also made when holding down too many keys at the same time, as the computer often cannot handle the processes.

The beep is also sometimes used to notify the user when the BIOS is not working or there is some other error during the start up process, often during the power-on self-test (POST).

In some computer terminals, the ASCII character code 7, bell character, outputs an audible beep.
