Basic Concepts of the UNIX Operating System by T. M. Volosatova is not just a textbook, but a real find for anyone who wants to get a deeper understanding of one of the most influential and widely used operating systems in the world. UNIX, as the basis for many modern systems, such as Linux and macOS, continues to be a relevant topic for study, and this edition offers readers a unique opportunity to immerse themselves in its foundations. In this book, the author consistently and readily outlines the basic concepts underlying UNIX. The reader will get acquainted with the architecture of the system, the principles of working with files and processes, as well as with the basics of the command line . Each chapter is permeated with practical examples and tasks, which allows not only to assimilate theoretical material, but also to apply it in practice. This makes the book an ideal guide for both students and professionals seeking to update their knowledge or learn new skills. Who can like this edition? First of all, it will be useful for technical students studying computer science, as well as programmers, system administrators and everyone who is interested in information technology . If you want to master UNIX for software development, server management or just to expand your knowledge in the field of IT, then this book will become an indispensable assistant for you. It will also be interesting for those who want to understand how modern operating systems work and what principles are at their core. The topics raised in the book cover a wide range of issues related to the operating system. The author examines not only technical aspects, but also the philosophy of UNIX, its history and evolution. This allows the reader not only to learn how to work with the system, but also to understand why it has become so popular and popular. The book touches on important concepts, such as multitasking, memory management and security, which makes it relevant to modern realities, when issues of cybersecurity and system optimization are in the first place. Style T. M. Hairy is distinguished by clarity and logical presentation. He is able to explain complex things in simple language, which makes his books available to a wide audience. In addition, the author actively uses examples from practice, which allows readers to better absorb the material. His other well-known works are also noteworthy as they continue to develop the themes raised in "Basic Concepts of the UNIX Operating System" and help readers deepen their knowledge of system administration and programming.[citation needed] If you are looking for high-quality literature on UNIX, which will help you not only to master the basics, but also to understand how to apply this knowledge in real life, then the book T. M. Your hair will be a great choice for you. It is not only informative, but also inspires further study and experimentation with operating systems. Do not miss the opportunity to immerse yourself in the world of UNIX and discover new horizons in the world of technology!