# pactl > Control a running PulseAudio sound server. > More information: . - List all sinks (or other types - sinks are outputs and sink-inputs are active audio streams): `pactl list {{sinks}} short` - Change the default sink (output) to 1 (the number can be retrieved via the `list` subcommand): `pactl set-default-sink {{1}}` - Move sink-input 627 to sink 1: `pactl move-sink-input {{627}} {{1}}` - Set the volume of sink 1 to 75%: `pactl set-sink-volume {{1}} {{0.75}}` - Toggle mute on the default sink (using the special name `@DEFAULT_SINK@`): `pactl set-sink-mute {{@DEFAULT_SINK@}} toggle`