$ sudo apt-get remove ow-shell 

Uninstall ow-shell including dependent package

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

$ sudo apt-get remove --auto-remove ow-shell 

Use Purging ow-shell

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

$ sudo apt-get purge ow-shell 

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 ow-shell 

See Also,