gslav

#!/bin/bash

# First we need to get the modeline string for xrandr
# Luckily, the tool `gtf` will help you calculate it.
# All you have to do is to pass the resolution & the-
# refresh-rate as the command parameters:
gtf 1920 1080 60

# In this case, the horizontal resolution is 1920px the
# vertical resolution is 1080px & refresh-rate is 60Hz.