Administration of Unix . The 2021 Authorship Tutorial is an indispensable resource for anyone seeking to better understand and master one of the most powerful and stable operating systems in the world. This book will be a reliable guide for both novice administrators and more experienced professionals who want to update their knowledge and skills in the management of Unix systems. From the first pages, the author immerses the reader in the fascinating world of Unix, revealing its basic principles and architecture. The book covers a wide range of topics, from installation and configuration of the system, to user management, security and network settings. Each section is built logically and consistently, which allows the reader not only to assimilate information, but also to apply it in practice. It is important to note that the author avoids excessive theorization by offering the reader real examples and practical tasks, which makes the learning process more interactive and exciting. Who can like this tutorial? First of all, it will be useful for students and specialists in the field of information technology, as well as for anyone who wants to master the administration of servers and workstations based on Unix . If you are a technical student, a novice system administrator or just like to understand technology, this book will be a real find for you. It will also be of interest to those working in the field of Dev. Ops, System Administration or Network Security . The topics raised in the book are extremely relevant in the modern world, where the reliability and security of information systems are of paramount importance. The author examines in detail the issues of resource management, system monitoring, backup and data recovery, as well as the configuration of network services. These aspects are fundamental to ensure the smooth operation of any IT infrastructure. In addition, the book touches on security issues, which is especially important in the face of constant cyber threats. The author's style is clear and accessible. He is able to explain complex concepts in a simple and understandable language, which makes the material available even to those who are just starting their way in administration. In addition, the author shares his own experience and practical advice, which adds special value to the book. This is not just a textbook, but a real desktop book for anyone who wants to become a Unix master. If you’re looking for similar books or other resources to administer Unix, look for titles like “Unix for Professionals” or “Linux System Administration” These books can also help you expand your knowledge and skills in this area. Finally, "Administration of Unix OS. The textbook is not just a book, but a whole world that opens up before you. It offers a unique opportunity to immerse yourself in the fascinating process of exploring one of the most popular operating systems. Due to its content, accessible style and practical examples, this book deserves the attention of anyone who wants to become a true expert in Unix administration. Do not miss the opportunity to take a step towards new knowledge and opportunities!