Linux Basics - Commands, File System, Users & Permissions

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🔹 Basic Shell Commands – Navigate with cd, list files with ls, view file contents with cat, etc.
🔹 Filesystem Hierarchy – Understand the Linux directory structure (/etc, /var, /home, etc.).
🔹 File Permissions – Learn chmod, chown, ls -l and understand read, write, execute (rwx).
🔹 Users & Groups – Creating users, managing groups, and assigning permissions.