How to uninstall or remove citadel-webcit software package from Ubuntu 16.04 LTS (Xenial Xerus)

You can uninstall or removes an installed citadel-webcit package itself from Ubuntu 16.04 LTS (Xenial Xerus) through the terminal,

$ sudo apt-get remove citadel-webcit

Uninstall citadel-webcit including dependent package

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

$ sudo apt-get remove --auto-remove citadel-webcit

Use Purging citadel-webcit

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

$ sudo apt-get purge citadel-webcit

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 citadel-webcit