OpenVMS Manual

This document is the HP OpenVMS System Services Reference Manual: A–GETUAI (Order Number: BA554–90024). It serves as a comprehensive technical guide for system and application programmers on the routines the HP OpenVMS operating system uses to control resources, manage process communication, control I/O, and perform other operating system functions. It is applicable to OpenVMS Version 8.4 for Integrity servers and OpenVMS Alpha Version 8.4. The document includes detailed descriptions, prototypes, arguments, and return status codes for system service routines starting with 'A' through 'GETUAI'.