Notes for Computer Information Technology 160
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long. 637B

November 11


  • MIME
  • Encoding
  • Injection
  • History
  • Passwd Composition Rules
  • AUTH Login
  • Base 64
  • SSH/SSL/Certs/PKI

Contents of an Email (excluding “envelope”)

  • Header
    • FROM
    • TO
    • DATE
  • Separator
  • Body


You can press up on the terminal to type the previous command

!! runs the previous command in bash

history is stored in .bash_history


Sometimes when user input is taken, it is executed as code.