OpenVMS System Services

This document is a comprehensive reference manual for the HP OpenVMS System Services, specifically covering routines from A to GETUAI. It details the functionality, formats, prototypes, and argument descriptions for a wide range of system services used in the OpenVMS operating system environment, including those for process management, synchronization, and resource control. This version of the manual includes support information for OpenVMS Alpha and I64 systems, covering 64-bit addressing features.