File Permissions, Ownership, and Sudo Access in Red Hat Linux
Welcome to Day 13 of the 30 Days of Linux Challenge! Today we’re tackling a core security topic in Linux: understanding how to control access to files, processes, and administrative privileges. Red Hat-based systems like RHEL, CentOS, and Rocky Linux use a powerful and flexible permissions system to govern everything — from who can execute a script to who can restart the firewall.

Welcome to Day 13 of the 30 Days of Linux Challenge!
Today we’re tackling a core security topic in Linux: understanding how to control access to files, processes, and administrative privileges.
Red Hat-based systems like RHEL, CentOS, and Rocky Linux use a powerful and flexible permissions system to govern everything — from who can execute a script to who can restart the firewall.