# iotop > Display a table of current I/O usage by processes or threads. > More information: . - Start top-like I/O monitor: `sudo iotop` - Show only processes or threads actually doing I/O: `sudo iotop --only` - Show I/O usage in non-interactive mode: `sudo iotop --batch` - Show only I/O usage of processes (default is to show all threads): `sudo iotop --processes` - Show I/O usage of given PID(s): `sudo iotop --pid={{PID}}` - Show I/O usage of a given user: `sudo iotop --user={{user}}` - Show accumulated I/O instead of bandwidth: `sudo iotop --accumulated`