The book "Operating Systems, Environments, Shells", written by a team of authors, is a deep immersion in the world of operating systems, their architecture and functionality. This publication will become an indispensable assistant for both computer science students and practitioners seeking to expand their knowledge in the field of system programming and administration. From the first pages, the reader plunges into the fascinating world of technologies that are behind the work of modern computers and mobile devices. The authors carefully analyze the main components of operating systems, including the kernel, drivers and user interfaces. Each chapter of the book is imbued with practical examples and illustrations, which makes complex concepts more accessible and understandable. You will be able to learn about how different environments and shells work, as well as how they interact with each other, creating a holistic ecosystem for users. This book will be interesting not only for students and graduate students, but also for those who already work in the IT field, whether it is system administrators, developers or engineers. It is suitable for those who want to deepen their knowledge of how operating systems work, as well as those who are interested in software optimization and computer resource management. If you are looking for information about topics such as Linux, Windows, Unix, as well as about the principles of the shell of the command line, then this edition will be a real find for you. The book covers many topical topics, such as process management, file systems, security, and network technology. The authors not only describe the theory, but also offer practical tasks, which allows readers to consolidate the knowledge gained in practice. This makes the book not only a tutorial, but also a reference book for anyone who wants to stay at the forefront of technology. The style of the authors is distinguished by clarity and accessibility, which makes it easy to assimilate even the most complex concepts. They use many examples from real practice, which helps the reader to see how theoretical knowledge is applied in real conditions. In addition, the team of authors includes recognized experts in the field of operating systems, which gives the book additional value and authority. If you’re interested in works like Andrew Tanenbaum’s Modern Operating Systems or Abraham Silbershatz’s Operating System Concepts, Operating Systems, Environments, Shells will be a great addition to your library. This publication will not only expand your knowledge, but also inspire further research in the field of computer technology. Operating Systems, Environments, Shells is not just a textbook, it is the key to understanding the fundamentals that underlie all modern technologies. It will help you not only to become a more competent specialist, but also to open new horizons in the world of IT. Do not miss the opportunity to immerse yourself in this fascinating topic and become a master in the field of operating systems!