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Man Pages
beep(1) FreeBSD General Commands Manual beep(1)

beep
play a beep sound

beep [-F frequency] [-D duration_ms] [-r sample_rate_hz] [-d oss_device] [-g gain] [-B] [-h]

The beep utility is used to playback a beep on the soundcard.

The options are as follows:

Sets the center frequency of the beep in Hz. The default is 440 Hz .
Sets the duration of the beep in milliseconds. The default is 150 ms .
Sets the soundcard to use. The default is /dev/dsp .
Sets the soundcard samplerate in Hz. The default is 48000 Hz.
Sets the waveform gain, between 0 and 100 inclusively. The default is 75.
Runs the beep utility in the background.
Display summary of options.

Playback default beep sound using /dev/dsp .
$ beep
 

mixer(3), sound(4),

The beep utility first appeared in FreeBSD 14.0.

Hans Petter Selasky <hselasky@FreeBSD.org>
November 4, 2021 FreeBSD 13.1-RELEASE

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