$ sudo apt-get remove igal

Uninstall igal including dependent package

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

$ sudo apt-get remove --auto-remove igal

Use Purging igal

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

$ sudo apt-get purge igal

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 igal

See Also,