VAX/VMS Operating System

The VAX/VMS Version 1.0 operating system is designed for the VAX-11/780 series, providing a high-performance, multiuser environment for timesharing, batch, and time-critical applications. Key features include virtual memory management, preemptive priority scheduling, comprehensive file and record management services, and extensive system security through privilege and protection mechanisms. The system supports native VAX-11 development alongside tools to migrate applications from RSX-11 environments. It includes robust reliability features such as automated machine checks, error logging, and power-fail recovery. The document also details the hardware requirements, command language capabilities, and available support categories for software maintenance.