HACKR.GG
Fundamentals

Linux & CLI Fundamentals

Learn to navigate the terminal like a hacker. Filesystems, files, permissions, pipes, and network commands — all hands-on in a live terminal.

Beginner45 min8 lessons2 hands-on
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You'll be able to

  • ✓Navigate and manipulate the Linux filesystem from the command line
  • ✓Read, search, and filter file contents with grep, cat, and find
  • ✓Understand file permissions and what they mean for security
  • ✓Chain commands with pipes to build recon one-liners
  • ✓Make HTTP requests and check open ports from the shell

Lessons

  1. 1Why Hackers Live in the Terminal
  2. 2Navigating the Filesystem
  3. 3Reading & Searching Files
  4. 4Your Turn: Run the CommandHANDS-ON
  5. 5Pipes, Redirection & One-Liners
  6. 6File Permissions & Users
  7. 7Networking from the Terminal
  8. 8Lab — Navigate the TerminalHANDS-ON
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