How to uninstall or remove libkactivities6 software package from Ubuntu 16.04 LTS (Xenial Xerus)

You can uninstall or removes an installed libkactivities6 package itself from Ubuntu 16.04 LTS (Xenial Xerus) through the terminal,

$ sudo apt-get remove libkactivities6

Uninstall libkactivities6 including dependent package

If you would like to remove libkactivities6 and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove libkactivities6

Use Purging libkactivities6

If you use with purge options to libkactivities6 package all the configuration and dependent packages will be removed.

$ sudo apt-get purge libkactivities6

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 libkactivities6