$ sudo apt-get remove fort77 

Uninstall fort77 including dependent package

If you would like to remove fort77 and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove fort77 

Use Purging fort77

If you use with purge options to fort77 package all the configuration and dependent packages will be removed.

$ sudo apt-get purge fort77 

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 fort77 

See Also,