How to uninstall or remove mkvtoolnix-gui software package from Ubuntu 14.04 LTS (Trusty Tahr)

You can uninstall or removes an installed mkvtoolnix-gui package itself from Ubuntu 14.04 LTS (Trusty Tahr) through the terminal,

$ sudo apt-get remove mkvtoolnix-gui

Uninstall mkvtoolnix-gui including dependent package

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

$ sudo apt-get remove --auto-remove mkvtoolnix-gui

Use Purging mkvtoolnix-gui

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

$ sudo apt-get purge mkvtoolnix-gui

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 mkvtoolnix-gui