1. Rm XXX – Deletes a file
  2. Rm -rf XXX – delete a folder.
  3. PWD – Outputs the current folder
  4. Mkdir – Creates a directory
  5. CD – Go to a directory
  6. Ls -al – can type out all files and permissions
  7. Touch – Create file
  8. Cat a.txt View a file
  9. Vi a.txt – Edit files
    1. Vi then press the I key to enter insert mode
    2. When you’re done, press:, q to push out (you’re not allowed to quit)
    3. Press the q! Forced out of
    4. Press wq to save the configuration and exit
  10. Echo XXX > a.txt – > Input >> Indicates overlay