Etos V5B

Summary

This document serves as a supplement to the ETOS V5B System Manager's Guide, providing a list of updates, revisions, and technical procedures for system administrators.

Key areas covered in this document include:

• Updates and Revisions: A log of changes made to the documentation and system software, including error corrections (such as for the CDUMP utility and CONFIG section).
• System Error Handling: Detailed explanations of system error messages (e.g., ?BAD NUMBER, ?ILLEGAL IOT, ?% VM HLT), including procedures for recovery and diagnostic steps for system malfunctions.
• Terminal and Device Management: Instructions for configuring terminals, setting parity, stop bits, and managing TTY reader control.
• Real-Time Programming: Guidance on using system calls for time management (TOD, W100MS, W1MIN) and job scheduling via the WAIT function.
• System Configuration and Maintenance: Procedures for using the CONFIG program to modify monitor settings, creating debugging versions of ETOS, and managing disk packs (SMR packs, production packs, and backups).
• Administrative Procedures: Information on how to use FUTIL for patching, handling Software Performance Reports (SPRs), managing accounts, and disabling CHANIO commands to enhance system security.
• Commercial BASIC: Instructions for altering teleprinter and line printer characteristics (width and comma construction) within Commercial BASIC.