How to hide Firefox title bar in Cinnamon (mint)
Source here Install devilspie: sudo apt-get install devilspie There is also a gui called gdevilspie, but the rules it produced seemed inaccurate and often didn’t quite work, so it is easiest to concoct a rule by reading the readme and the manpage. How the rule was created All rules created must go in ~/.devilspie, and have a .ds extension, so firstly create the folder if it doesn’t exist with mkdir ~/....