How to Set File Permissions in Linux?

In Linux, file permissions are set using the chmod command. File permissions are represented by three categories: owner, group, and others, and are denoted by read (r), write (w), and execute (x).

To change permissions, use:

For example, to give the owner read and write permissions, and others read permissions:

You can also use symbolic representation, like:

Use ls -l to view file permissions.