OpenVMS Operating System for Alpha and VAX

This document is the Software Product Description (SPD) for the OpenVMS operating system, Version 7.1, for both Alpha and VAX architectures. It details the operating system's features, including support for industry standards (POSIX, XPG4, DCE), symmetric multiprocessing (SMP), and extensive networking and distributed computing capabilities. The document provides comprehensive information on user and program development environments, system management tools (such as the OpenVMS Management Station), and security features. It also includes detailed requirements for disk space and memory, installation procedures, and a list of supported hardware components (disks, tapes, controllers, and network adapters). This document is intended as a technical reference for system managers and developers.