How to uninstall or remove libinsighttoolkit4.9 software package from Ubuntu 16.04 LTS (Xenial Xerus)

You can uninstall or removes an installed libinsighttoolkit4.9 package itself from Ubuntu 16.04 LTS (Xenial Xerus) through the terminal,

$ sudo apt-get remove libinsighttoolkit4.9

Uninstall libinsighttoolkit4.9 including dependent package

If you would like to remove libinsighttoolkit4.9 and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove libinsighttoolkit4.9

Use Purging libinsighttoolkit4.9

If you use with purge options to libinsighttoolkit4.9 package all the configuration and dependent packages will be removed.

$ sudo apt-get purge libinsighttoolkit4.9

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 libinsighttoolkit4.9