Aptitude cheat sheet

Searching:
* apt-cache search ABC
* aptitude search ABC

Installing:
* sudo apt-get install ABC
* sudo aptitude install ABC

Showing version numbers:
* apt-cache show ABC
* aptitude show ABC

Uninstalling:
* sudo apt-get remove ABC
* sudo aptitude remove ABC

Removing configuration files as well:
* sudo apt-get remove --purge ABC
* sudo aptitude purge ABC

References:
* http://monkeyblog.org/ubuntu/installing/