Add command does not allow to add the person into the group directly.

[seriouslia0]

In the UG, it is not explicitly mentioned that the add command is able to add a user into an existing group directly. This is rather confusing as a new user, without experimentation would be able to find out about this feature and will waste effort executing 2 commands : add and edit, instead of simply adding directly. For your reference here are the screenshots :