Creates an entry in the 
		mfentmap.dat file to allow the load module (filename.390) to be called by an alternate name.
	 
  
 
	 
	 Parameters:
 
		 
		 
		   
			 - aliasname 
			 
- The alternate name to be used to call the load module. 
			 
Comments:
 
		 
		The ALIAS command can start anywhere after the first column.