You can tell your File Browser to show them by pressing Ctrl+ H. Mind the periods in front of file- and directory names: They indicate a hidden directory. The same is true, if applicable, for Silverlight (Moonlight) and other plugins, they can allow websites to store data on your computer.ĭelete /etc/firefox/, this is where your preferences and user-profiles are storedĭelete /usr/lib/firefox/ should it still be thereĭelete /usr/lib/firefox-addons/ should it still be there adobe in your home directory, these can contain 'Flash Cookies' stored by the browser. mozilla/firefox/ in your home directory, should it still be thereĭelete. I think this can be done in six easy steps, please edit my answer - or tell me to - if it's not complete:ĭelete.