Install yad by entering the following commands in the terminal:
sudo apt update sudo apt install yad
Description:
tool for creating graphical dialogs from shell scripts
Yad allows you to display GTK+ dialog boxes from command line or shell scripts. It is similar to Zenity but with more dialog types and options.
Homepage: http://sourceforge.net/projects/yad-dialog/
Version: 0.38.2-1
Section: universe/utils