Explore the essential Linux command 'sudo' in this comprehensive tutorial video. Learn why sudo is necessary, how to check its installation, and understand its associated group and permissions. Discover how to run commands with sudo, including using it with previous commands. Dive into the /etc/sudoers file, learning its purpose and how to edit it properly. Explore setting up sudo access without a password and review key concepts. Witness a deliberate error inclusion for learning purposes. Gain a thorough understanding of sudo's role in delegating authority and enhancing system security for Linux administrators.