Managed COBOL supports virtually all file handling functionality. However, there are one or two features that are not supported. 
                  	 
 
            	 
            The following file handling features are not supported in managed COBOL: 
               	 
            
 
            	 
             
               		 
               		
               -  
                  		  .lbr files 
                  		
               
  
               		
               - LPT[2-n] devices 
                  		
               
  
               		
               - Object references specified in the file section