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

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

$ sudo apt-get remove gkrellm-mailwatch

Uninstall gkrellm-mailwatch including dependent package

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

$ sudo apt-get remove --auto-remove gkrellm-mailwatch

Use Purging gkrellm-mailwatch

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

$ sudo apt-get purge gkrellm-mailwatch

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 gkrellm-mailwatch