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.

🔐 Understanding…