Controls the open disposition of the detail listing file. 
	 
 
  
 
	  
		Note: Supported by all 
		  
mfims imsdbu functions.
		
 
 
	  
 
	 Syntax:
 
		 
		>>-----LISTOPEN--(disp)------><
 
	 Parameters:
 
		 
		 
		   
			 -  
				disp 
			 
- The disposition to use. One of: 
				 
				   
					 - NEW 
					 
- Creates a new listing file or overwrites an existing one. 
					 
- MOD 
					 
- Appends the list output to an existing file or creates a new listing if one does not exist. MOD allows you to maintain a detailed historical record of database functions. 
					 
 
Comments:
LISTOPEN is ignored when NOLIST is specified.