# mons > Quickly manage two displays. > More information: . - Enable only the primary monitor: `mons -o` - Enable only the [s]econdary monitor: `mons -s` - [d]uplicate the primary monitor onto the secondary monitor, using the resolution of the primary monitor: `mons -d` - [m]irror the primary monitor onto the secondary monitor, using the resolution of the secondary monitor: `mons -m`