7.2 z/OS

The TMA TCP for IMS product makes use of the following z/OS services by issuing the appropriate API calls.

z/OS Service	Description
WTO	Issue a write-to-operator (WTO) message
WTOR	Issue a write-to-operator-with-reply (WTOR) message
XCF	Uses cross-system coupling facility to communicate to OTMA
Latch Manager Services	Locks storage resources to prevent simultaneous updates of shared memory
CEE3ABD	Issue an abend