xset
User preference utility for X. tldr-pages
On Linux
Linux
Disable the screensaver
xset s offIdentifyDisable the bell sound
xset b offIdentifySet the screensaver to start after 60 minutes of inactivity
xset s 3600 3600IdentifyDisable DPMS (Energy Star) features
xset -dpmsIdentifyEnable DPMS (Energy Star) features
xset +dpmsIdentifyQuery information on any X server
xset -display :0 qIdentify