The book "Operating Systems and System Programming" by H. A. Disruption is a fascinating and deep immersion into the world of operating systems, which will become an indispensable assistant for both students and practitioners in the field of information technology. In this work, the author not only outlines the theoretical foundations, but also offers readers practical examples, which makes the material accessible and understandable. From the first pages of the book, the reader finds himself at the center of a discussion of the key concepts and principles underlying the functioning of operating systems. Razoranov masterfully explains how processes, memory management, file systems, and hardware interaction work. It not only describes the mechanisms, but also immerses them in their history and evolution, which allows you to better understand why modern operating systems look like this, and not otherwise. Readers interested in how computers and software are built will find many useful information in this book. The book will be of particular interest to technical students, graduate students and young professionals who are just beginning their journey in the field of programming and system administration. However, it will also attract the attention of experienced developers who want to refresh their knowledge or understand new trends and technologies. If you are looking for books on system programming, operating systems or just want to deepen your knowledge in the field of IT, this work will be a real find for you. The topics raised in the book cover a wide range of issues, including operating system security, multitasking, resource management, and network technology. Razoranov pays attention not only to theoretical aspects, but also to practical tasks, which allows the reader not only to assimilate information, but also to apply it in practice. This makes the book especially valuable for those who want not only to read, but also to create. The author's style is distinguished by clarity and accessibility, which makes it easy to perceive even the most complex concepts. Razorov uses many examples and illustrations, which helps the reader to better assimilate the material. His approach to learning is based on the principle of "from simple to complex", which makes the book ideal for self-learning. Among other well-known works of N. A. It is possible to single out “Programming in C” and “Algorithms and data structures”, which also received recognition among readers for their accessibility and practical orientation. By reading Operating Systems and System Programming, you will not only gain the knowledge necessary for a successful career in IT, but also be able to appreciate the beauty and complexity of modern computer systems. This book is not just a textbook, but a real encyclopedia that will open doors for you to the world of high technology and system programming. If you want to become an expert in your field, then this work should definitely take a place on your shelf. Thus, Operating Systems and System Programming is not just a book, but a guide to the complex but fascinating world of technology that will inspire you to new achievements and discoveries. Don’t miss the opportunity to be a part of this exciting journey!