How to uninstall or remove gem-plugin-unicap software package from Ubuntu 16.04 LTS (Xenial Xerus)

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

$ sudo apt-get remove gem-plugin-unicap

Uninstall gem-plugin-unicap including dependent package

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

$ sudo apt-get remove --auto-remove gem-plugin-unicap

Use Purging gem-plugin-unicap

If you use with purge options to gem-plugin-unicap package all the configuration and dependent packages will be removed.

$ sudo apt-get purge gem-plugin-unicap

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 gem-plugin-unicap