On x64 Windows, when you open 
               		Start > All Programs > Micro Focus Enterprise Developer > Tools > Enterprise Developer Command Prompt 
               		(64-bit), the compiler and debugger that will be running in the background will be 64-bit and the output application will be 64-bit
               too. 
               	 
            
 
            	 
            On UNIX, you need to set 64-bit mode using the COBMODE environment variable. For more information, see 
               		
Environment variables in alphabetical order. 
               		
               
Note: The following 64-bit UNIX platforms are supported: Solaris (SPARC), Red Hat Linux (Intel), SUSE Linux (Intel). AIX, HP-UX
                  Itanium and z/Linux are not currently supported. 
                  		
               
 
               	 
            Restriction:  
               		
                
                  		  
                  - -coffdebug compiler option is not supported on 64-bit Windows.