# beep > A utility to beep the PC speaker. > More information: . - Play a beep: `beep` - Play a beep that repeats: `beep -r {{repetitions}}` - Play a beep at a specified frequency (Hz) and duration (milliseconds): `beep -f {{frequency}} -l {{duration}}` - Play each new frequency and duration as a distinct beep: `beep -f {{frequency}} -l {{duration}} -n -f {{frequency}} -l {{duration}}` - Play the C major scale: `beep -f {{262}} -n -f {{294}} -n -f {{330}} -n -f {{349}} -n -f {{392}} -n -f {{440}} -n -f {{494}} -n -f {{523}}`