Intro to Unix and Command line

Author: Isaac Warren

Slides

Goal:

Learn the basics of Unix and command lines.


Topics Covered:

  • Unix refers to a group of operating systems that are focused on doing one thing and doing it well.
  • A command line can be thought of as a file manager with a bunch of extra features.
  • Wargames can be a great way to learn.

How to Run this meeting:

  • In email, ask people to set up a shell.
  • Ask the presenter to solve the first 5 levels of Bandit ahead of time.
  • Walk around and help people set up shells.
  • Have the presenter slowly solve the first 5 levels up on the projector.

Description:

Being comfortable with the UNIX command line is an essential skill for CTF’s and other security activities. The best way to learn the command line is to use it. A great place to try a CTF and learn the command line is http://overthewire.org/wargames/bandit/bandit0.html. Warning, some of the later levels (20+) can be broken sometimes.

Here are some other useful resources: