1. What are operating systems? 2. What is its difference from other programs and how has its development affected our lives today? 3. Features of the Linux operating system? 4. What does open source system mean? 5. What are the most prominent areas in which it is used in terms of current and future job opportunities? 6. Is there a road map for anyone who wants to enter the field of server programming? 7. What is the next step?