Designed for both beginners and seasoned IT professionals, this course delves into the critical aspects of user security on Linux systems. Through a series of engaging lessons, you'll explore foundational concepts such as user authentication, password management, and the principle of least privilege. Gain hands-on experience with real-world scenarios, including logging in as typical and enterprise users, securing systems with SSH, and managing user privileges with su, sudo, sudoer commands. By the end of this course, you'll be equipped with the skills to effectively safeguard Linux environments, ensuring robust security for both individual and enterprise systems.