Add any screen size or refresh rate you want to your linux desktop

Easy download & ready to use

Run this command on your terminal and the script is ready to be use:
wget https://raw.githubusercontent.com/alansarkar/Xrendr-newmode-script/master/xrendr-newmode.sh && chmod 0555 xrendr-newmode.sh

Usage

Just provide the hight, weight and refresh rate :
Example :
./xrendr-newmode 1920 1080 100