thanks for info i tried for hours

Hello i am in the process of creating a custom mini pc with recal install straight to ssd 16gb. i want to install a browser to the underlying system so that i can launch chrome or firefox from kodi from my readings i see this is a gnu system and basic commands like sudo and apt does not work. can someone tell me if its possible to get a Brower install directly to a the recal os. i am using a samsung chrome box which has been modded to run straight recal please help