How to uninstall or remove octave-zenity software package from Ubuntu 14.04 LTS (Trusty Tahr)

You can uninstall or removes an installed octave-zenity package itself from Ubuntu 14.04 LTS (Trusty Tahr) through the terminal,

$ sudo apt-get remove octave-zenity

Uninstall octave-zenity including dependent package

If you would like to remove octave-zenity and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove octave-zenity

Use Purging octave-zenity

If you use with purge options to octave-zenity package all the configuration and dependent packages will be removed.

$ sudo apt-get purge octave-zenity

If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again.

$ sudo apt-get purge --auto-remove octave-zenity