Linux File System, Permissions & Your First Bash Script – Offensive Security Ch.1

🐚 Bash for Offensive Security — Chapter 1: Foundations of Bash Scripting In this video, we cover the absolute foundations of Bash that every security professional must know. Starting from navigating the Linux file system after compromising a machine, writing your first script, understanding file permissions (chmod), and creating files — this is where your Bash scripting journey begins. ✅ What you'll learn in this chapter: • Navigating the Linux filesystem (pwd, ls, ls -la, cd, mkdir) • Using echo, nano, and writing your first .sh Bash script • The Shebang line (#!/bin/bash) and why it matters • File Mode Bits, chmod, chown, SUID, SGID, Sticky Bit • Using touch to create files • Exercise 1: Write your own setup.sh automation script 🔧 Tools used: Bash, nano, chmod, Ubuntu Terminal ⚠️ DISCLAIMER: All content is for ethical hacking and educational purposes only. 0:00 Introduction 0:30 Navigation & File System 8:13 File Creation & Editing 10:25 First Bash Script 13:17 File Permissions (chmod) 20:16 Exercise 1 #BashScripting #EthicalHacking #OffensiveSecurity #LinuxForHackers #chmod #BashTutorial #CyberSecurity #KaliLinux #LinuxTerminal #HackingForBeginners