Explore the rich history of computing with this vintage Microsoft MS-DOS 4.0 User's Guide and Reference from 1988. This guide is a must-have for any collector or enthusiast who wants to experience the early days of personal computing. With its white cover and detailed content, this guide is a valuable addition to any vintage computing collection.Learn about the features and functions of MS-DOS 4.0 from the experts at Microsoft and discover how this operating system paved the way for modern computing. This guide is perfect for those who want to learn more about the history of computing or simply want to add a unique piece to their vintage collection. Don't miss out on this rare opportunity to own a piece of computing history.