The more common way to manage packages or softwares is from Synaptic Package Manager. Its the easiest gui tool to install and remove software from your debian/ubuntu system.
However for those who prefer the console, there are plenty of tools to do the job as easily. In this tutorial we are going to look into apt, the package management tool used on ubuntu. Even I used to use the synaptic gui earlier, when I started with the commandline tools, I found the commandline tools easier and faster.
On ubuntu there are 3 main commands to manage packages. These are dpkg, apt-* and aptitude. So lets start experimenting with these one by one.
Read full tutorial here