I am using firefox 28.0 on Ubuntu 13.10. Want to know what does the Unity Desktop Integration extension do in firefox. Then I can enable or disable it according to the use of it.
Before updating a software which canonical does not support for updates (like vlc, Skype), do I need to add the relevant ppa to the system before run "apt-get install packagename" or "apt-get --only upgrade install packagename" ? (I'm using ubuntu 13.10)