The following table defines parameters for the username command.
| 
                             Variable  | 
                        
                             Value  | 
                    
|---|---|
| 
                             WORD <1–20>  | 
                        
                             Specifies the username to enable or disable.  | 
                    
| 
                             enable  | 
                        
                             Enables or disables the username.  |