To install the Control-O interface for SMS, use one of the sample usermods to linkedit the Control-O ACS routines to the SITE LPALIB Library. After linkediting the routines, IPL with CLPA.
USMSMVS - used when the ACS exits are used only by Control-O.
USMSMVS1 - used when the ACS exits are used by Control-O and already existing ACS exits.