how to uninstall a software in ubuntu
sudo snap remove skype or Uninstall mahjongg To remove just mahjongg package itself from Ubuntu 16.04 (Xenial Xerus) execute on terminal: sudo apt-get remove mahjongg Uninstall mahjongg and it's dependent packages To remove the mahjongg package and any other dependant package which are no longer needed from Ubuntu Xenial. sudo apt-get autoremove mahjongg Purging mahjongg If you also want to delete configuration and/or data files of mahjongg from Ubuntu Xenial then this will work: sudo apt-get purge mahjongg To delete configuration and/or data files of mahjongg and it's dependencies from Ubuntu Xenial then execute: sudo apt-get autoremove --purge mahjongg