MS-DOS Version 2.11 Update Instructions

This document provides step-by-step instructions for users of the Digital Rainbow computer to update their existing MS-DOS operating system to Version 2.11. The manual includes specific procedures for updating from versions 2.01 and 2.05, covering scenarios such as using standard diskettes, copy-protected diskettes, and hard disk configurations. It also includes necessary precautions, such as the requirement to make a copy of the master diskette before proceeding, and guidelines for managing application files during the update process.