One way to get a little more clarity on this is to look at the permissions with the stat command. The fourth line of stat’s output displays the file permissions both in octal and string format: $ stat ...

Linux, renowned for its robustness and security, is a powerful multi-user operating system that allows multiple people to interact with the same system resources without interfering with each other.

I once locked myself out of my files with a simple mistyped command. This was the first time I rendered my Linux installation unusable, and it was because I didn’t understand permissions. While I ...