OpenVMS System Services Reference Manual

This document is a technical reference manual for HP OpenVMS system services, covering routines from $GETUTC to $Z (specifically covering the alphabetical range of routines GETUTC through Z). It details the format, parameters, purpose, and return conditions for each system service routine, including support for 64-bit addressing on OpenVMS Alpha and Integrity servers. The document provides instructions on using 64-bit system services, describes the 64-bit terminology, and outlines the documentation conventions. It also includes an index and a list of obsolete services.