# udiskie-umount > Manually unmount devices using udiskie. > See also: `udiskie`, `udiskie-mount`. > More information: . - Unmount a mounted device: `udiskie-umount {{path/to/mount}}` - Unmount and power down a USB device: `udiskie-umount --detach {{path/to/mount}}` - Eject an optical drive: `udiskie-umount --eject {{path/to/mount}}` - Display help: `udiskie-umount --help`