How to add users to a group in Linux

Linux offers versatile user/group structures. In this article, we will explore how to create and add users to a group.
In Linux, every process has an associated user, which tells you who initiated the process. Every file/directory is owned by a user and a group. Users who are associated with a file/directory can tell which user has access to that file and what they can do with it. A user who is associated with a process determines what that process can access. Read More

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