Linux/Unix Traditional File Permission Model
cosmic.tarb.in
Diving into the traditional Unix permission system, which is essential for working in the command line on Linux and Unix-like systems. We will explore unix utilities that to work with permissions (chmod and chown) and will use permissions to implement a security model to harden our system against threats.

My blog post diving into traditional Unix permissions. The article explains how the permissions system works, explores some command line utilities to set and interact with permissions, and discusses how to use traditional permissions to harden your system’s security.

I hope you like it. I would appreciate any constructive feedback!