In some circumstances, you may want to grant shell access privileges to a user. This howto demonstrates how you can enable shell access in the web-based configuration's User Manager.
This feature is now available through the web interface in ClearOS 6:
When you go to edit or add a user, you will see an option to select which shell is available.
In the /etc/system/webconfig file, add or update the following parameter:
allow_shell = 1