The book “Operating Systems and Databases” edited by Valentina Lobanova is an indispensable source of knowledge for students, graduate students and anyone interested in information technology. This tutorial brings together the work of leading computer science professionals who share their knowledge and experience to help readers better understand the basics of operating systems and databases. From the first pages, the book immerses the reader in the fascinating world of technology, where every aspect of the computer and its software becomes understandable and accessible. The authors, having rich experience in teaching and research, offer readers not only theoretical knowledge, but also practical recommendations that will help in the further development of this complex but interesting area. The book covers a wide range of topics, ranging from the basics of operating system architecture to modern approaches to database management. Readers will be able to learn about the principles of multitasking, memory management, file systems and network interactions. Particular attention is paid to modern technologies, such as cloud computing and distributed databases, which makes the material relevant and in demand in the rapidly developing IT market. "Operating systems and databases" will be of interest not only to students of technical specialties, but also to professionals who want to update their knowledge or master new technologies. If you work in the field of programming, system administration or software development, this book will become a reliable assistant and reference for you. It is also suitable for those who want to take the first steps in programming and understand how modern computer systems work. The topics raised in the book concern not only technical aspects, but also the philosophy of software development. The authors investigate how operating systems and databases affect the performance and efficiency of applications, as well as the user experience. This makes the book especially valuable for those who seek not only technical but also strategic understanding of their work. The writing style of Valentina Lobanova and her colleagues is clear and accessible. They skillfully balance between depth of presentation and ease of understanding, which makes the material easy to perceive even for beginners. In addition, the book contains many examples and tasks that will help readers to consolidate the knowledge gained in practice. If you are looking for literature that will help you understand operating systems and databases, pay attention to “Operating Systems and Databases” This book will be your reliable companion in the world of technology, opening the door to new knowledge and opportunities. It can also be of interest to those who are fond of programming, system administration and software development. In conclusion, “Operating Systems and Databases” is not just a textbook, but a real encyclopedia of knowledge that will help you become a more competent specialist in the field of information technology. Do not miss the opportunity to immerse yourself in this fascinating world, which opens up many horizons and prospects for you.