This component provides the ability to manage users and roles from frontend. It is possible to do CRUD(Create, Read, Update and Delete) operations from the frontend. The administrator can only add, delete the user and assign the particular group(like: Author, Manager, Editor, Public etc.,) to the user.
This components is a good solution for administrator that he can assign a particular user to manage all the users by assign UMS category.
When you add a user this component checks for username, if the username is already exists, then this component not allow to creating the user with same username. All input fields have validation.
For every time administrator no need to login in joomla backend to manage users. User management system can properly work on Joomla 2.5.x. and 3.x