Privileged Operations

This document provides a comprehensive guide for system managers and privileged users operating within the ETOS environment. It covers the following key areas:

• Privileged Operations: How to become a privileged user, the inherent risks, and managing privileged accounts.
• SCALE Commands: Specialized commands only available to privileged users, including PEEK, POKE, BROADCAST, FORCE, and ECROF, along with system-level control via mount/dismount operations.
• System Configuration: Detailed procedures for changing device handlers under stand-alone and virtual OS/8, enabling/disabling automatic login, and managing terminal/spooler characteristics.
• Spooler Management: Configuration and troubleshooting for line printer and terminal spooling services.
• ETOS Real-Time Programming: Advanced techniques for hooking into the ETOS interrupt system, managing system clocks, and writing custom real-time device handlers, including example routines and memory protection practices.
• Monitoring: Using the USAGE program to track cumulative job statistics, including monthly, total, and current statistics, and how to manage the associated statistics files.