Ubuntu has a great collection for software . To get the required software/application user can connect to the internet and can add/install software directly from this location.
How to do it ?
1. Go to command line –Terminal
If you do not know how to do that than please see my Post :
2. You must run this command under ROOT
command ‘sudo’ will allow you to run a command under root.
command ‘add-apt-repository’ is to add new repository
sudo add-apt-repository “YOUR REPOSITORY URL”
Not you need to supply your password to proceed.