This Natural profile parameter is available under z/OS and z/VSE only. It identifies the Natural subsystem to be used.
| Possible settings | 1 - 4 characters |  Natural subsystem. 
                           					 
                            Note:  |  
                        				
                     
|---|---|---|
| Default setting | NAT8 |  
                        				  
                        |
| Dynamic specification | yes | |
| Specification within session | no | 
Notes:
ROLLSRV,
                     			 SIPSERV,
                     			 SUBSID), the Natural profile
                     			 parameter SUBSID is ignored if it is specified in a
                     			 parameter string by a profile parameter SYS or
                     			 PROFILE or in an
                     			 alternate Natural parameter module (as specified with the
                     			 profile parameter PARM).