The product is a paperback book titled “Using MS DOS 5.0 and MS DOS Quick Reference” by Que Development Group Staff. It is a textbook focused on the subject area of computers, specifically operating systems. Published in 1991 by Que, the book provides a comprehensive guide on using MS DOS 5.0, making it a valuable resource for those looking to enhance their knowledge and skills in working with the operating system. With its detailed content and expert authorship, this book is a must-have for anyone interested in learning more about MS DOS.