xset
User preference utility for X. More information: https://manned.org/xset.
- Disable the screensaver:
xset s off
- Disable the bell sound:
xset b off
- Set the screensaver to start after 60 minutes of inactivity:
xset s 3600 3600
- Disable DPMS (Energy Star) features:
xset -dpms
- Enable DPMS (Energy Star) features:
xset +dpms
- Query information on any X server:
xset -display :{{0}} q