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

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

$ sudo apt-get remove fastx-toolkit

Uninstall fastx-toolkit including dependent package

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

$ sudo apt-get remove --auto-remove fastx-toolkit

Use Purging fastx-toolkit

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

$ sudo apt-get purge fastx-toolkit

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 fastx-toolkit