$ sudo apt-get remove abcde 

Uninstall abcde including dependent package

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

$ sudo apt-get remove --auto-remove abcde 

Use Purging abcde

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

$ sudo apt-get purge abcde 

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 abcde 

See Also,