One of the most important concepts in Linux is file permissions. At first, permissions may look confusing because of symbols like: bash -rwxr-xr-- But once you understand the basics, it becomes much easier. And if you are learning Cloud or DevOps, understanding Linux permissions is extremely important because permissions help control: who can access files, who can modify them, and who can execute programs. Without proper permissions: applications may fail, scripts may not run, services may stop working, or systems may become insecure. So in this post, let’s understand Linux permissions in a simple beginner-friendly way. 🐧 What Are Linux File Permissions? Linux uses permissions to decide: who can read a file, who can edit a file, and who can execute a file. Think of permissions like access control in real life. For example: A house owner has full access Family members may have limited access Guests may only view certain things Linux works in a very similar way.…