Howto install rar and 7z support

Archived thread 1285199 from Sudan Team. Markdown source: Sudan_Team/thread_1285199_Howto_install_rar_and_7z_support.md

#1 October 7, 2009

Run the following command :

sudo apt-get install p7zip-ful

#2 January 19, 2010

zero-n said: Run the following command :

sudo apt-get install p7zip-full

Forgot a final "l"; works great