RSX-11D

This document is a comprehensive user's guide for the RSX-11D resource-sharing executive operating system, designed for the PDP-11 family of computers. The guide covers:

• Fundamental Concepts: Partitions, task management, memory protection, scheduling, checkpointing, and spooling.
• System Conventions: Device naming, file structures (Files-11), terminal commands, and user identification (UICs).
• Interfaces: Use of the Monitor Console Routines (MCR) for system interaction.
• User Commands: Detailed instructions for general user commands (e.g., login, file manipulation, queuing, and status checks) and privileged user commands (e.g., system configuration, memory management, and diagnostic tasks).
• Appendices: Extensive summaries of MCR, PIP, FLX, and other system utility commands, along with a comprehensive list of system error codes.