os212

  1. OtW’s easiest Wargame
    I did 20 levels during the holiday, and they helped me understand basic unix commands.
  2. Cryptohack
    This is where I learned cryptography. Mostly for my CtFs but kind of useful for OS anyway.
    3.Regex Cheat Sheet
    While not exactly the most readable, it does come in quite handy at times.
  3. Linux Cheat Sheet
    Provide most essential linux commands. Comes in quite handy at times.
  4. Cryptography Checklist
    A list of essential tools used in modern day cryptography. Kind of useful for ctfs.
  5. School of Rop
    A learning based web for ctfs training.