Glossary

The IBM® Terminology website consolidates the terminology from IBM product libraries in one convenient location. You can access the Terminology Web site at http://www.ibm.com/software/globalization/terminology.

The abbreviations that are used in this book are defined in the following list:

CCMDB. IBM Tivoli® Configuration and Change Management Database

CDM. Common Data Model

CEC. Central Electronics Complex

CIM. Common Information Model

Coupling Facility. A special logical partition that provides high-speed caching, list processing, and locking functions in a sysplex.

CPC. Central Processing Complex.

IDTF. Interactive Data Transmission Facility, a TSO/E utility for transmitting and receiving files.

IPL. Initial Program Load (boot-up)

LPAR. Logical Partition

MSU. Millions of Service Units

RACF®. Resource Access Control Facility.

SYSPLEX. A set of z/OS® systems communicating and cooperating with each other through certain multisystem hardware components and software services to process customer workloads.

SMP/E. System Modification Program/Extended. A tool for installing and maintaining software for z/OS.

TSO/E. Time Sharing Option/Extensions. The primary user interface to z/OS.

XCF. Cross-System Coupling Facility