How to uninstall or remove libktpwidgets9 software package from Ubuntu 16.04 LTS (Xenial Xerus)

You can uninstall or removes an installed libktpwidgets9 package itself from Ubuntu 16.04 LTS (Xenial Xerus) through the terminal,

$ sudo apt-get remove libktpwidgets9

Uninstall libktpwidgets9 including dependent package

If you would like to remove libktpwidgets9 and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove libktpwidgets9

Use Purging libktpwidgets9

If you use with purge options to libktpwidgets9 package all the configuration and dependent packages will be removed.

$ sudo apt-get purge libktpwidgets9

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 libktpwidgets9