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

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

$ sudo apt-get remove festival-czech

Uninstall festival-czech including dependent package

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

$ sudo apt-get remove --auto-remove festival-czech

Use Purging festival-czech

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

$ sudo apt-get purge festival-czech

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 festival-czech