The article provides a comprehensive guide to user account operations in Linux, covering topics such as system users, normal users, unique user identification (UID), and user account data storage. It explains how to manage user accounts, including creating a user, setting up or changing passwords, checking user properties, switching users, and deleting user accounts. Understanding these fundamental Linux skills is crucial for effectively managing multi-user systems and ensuring system security. It recommends practicing these commands in a test environment or virtual machine for those new to Linux.