You can start  in the following ways:Applications menuChoose System ToolsUsers and groups.Command lineExecute the following command: users-adminWhen you start , you will be prompted for the administrator password, this is necessary because the changes done with this tool will affect the whole system.After entering the administrator password, the following window is displayed. main windowShows  main window.
The  main window contains two tabbed sections:
UsersShows the list of users and enables you to add new users and to modify or delete the current ones.GroupsShows the list of groups and enables you to add new groups and to modify or delete the current ones.
