$ sudo apt-get remove fso-specs 

Uninstall fso-specs including dependent package

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

$ sudo apt-get remove --auto-remove fso-specs 

Use Purging fso-specs

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

$ sudo apt-get purge fso-specs 

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 fso-specs 

See Also,