How to uninstall or remove kgraphviewer software package from Ubuntu 12.04 LTS (Precise Pangolin)

You can uninstall or removes an installed kgraphviewer package itself from Ubuntu 12.04 LTS (Precise Pangolin) through the terminal,

$ sudo apt-get remove kgraphviewer

Uninstall kgraphviewer including dependent package

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

$ sudo apt-get remove --auto-remove kgraphviewer

Use Purging kgraphviewer

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

$ sudo apt-get purge kgraphviewer

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 kgraphviewer