I do it with a localmod to HCPGST:
./ R 02294000 $ 2294590 590 08/23/07 11:10:31
MVC TEN(L'SYSTMID,R1),VMDUSER-VMDBK(R11) move in userid 02294590
* MVC TEN(L'SYSTMID,R1),SYSTMID Move system id into @VX1NL8D 02295180
-----Original Message-----
>From: "Huegel, Thomas" <[EMAIL PROTECTED]>
>Sent: Dec 18, 2007 1:16 PM
>To: [email protected]
>Subject: 3270 status area
>
>At the bottom right of the z/VM screen the status area it says RUNNING
>sys-id or CP READ sys-id or HOLDING sys-id etc. Other than actually changing
>the system_identification in the SYSTEM CONFIG file how can I change the
>sys-id that displays? I might want to do something like place the CMS user
>ID there.