"Operating System Concepts" by Greg Gagne, Peter Baer Galvin, and Abraham Silberschatz is a comprehensive textbook published in 2019. It covers the subject area of operating systems in depth, making it a valuable resource for students and professionals in the field of computer science. Written in English and housed in a hardcover format, this textbook provides detailed explanations and insights on operating system concepts, making it an essential addition to any computer science library. The authors are well-known for their expertise in this area, ensuring that the content is both informative and accurate.