🧠 Mastering Linux Administration: A Step-by-Step Hands-on Lab Guide

Aug 4, 2025 · 3 min read · 🔐 1. User & Group Management 🔎 What are Linux users, groups, and permissions? Users: Linux is a multi-user OS. User types: Root User: Full system access. System Users: Services and daemons. Regular Users: Human users. Groups: A group give...