The UNDERLINE clause causes the screen item to be underlined when it appears on the screen. 
            
            
               General Format 
               
               
               
             
            
            
               Syntax Rules 
               
               
               
                  
                  - The UNDERLINE clause is allowed with any screen item. 
 
                  
                  - If the UNDERLINE clause is specified at group level, it applies to all suitable subordinate elementary items. 
 
                  
               
               
             
            
            
               General Rules 
               
               
               
                  
                  - The UNDERLINE clause causes the screen item to be underlined when it appears on the screen. 
 
                  
                  - This clause has no effect if your screen hardware does not support underline.