
Commands used in this application are from various forums on the internet.
Some of the sources are listed below:

http://askubuntu.com/questions/43581/how-to-list-packages-from-a-ppa-source-in-command-line
http://askubuntu.com/questions/148932/how-can-i-get-a-list-of-all-repositories-and-ppas-from-the-command-line

