Often you will be asked for information from a terminal. Such information should be posted in the code tags (#) available in the advanced editor.
Make sure you have that enabled:

  1. http://dl.dropbox.com/u/10573557/cod...a1settings.png
  2. http://dl.dropbox.com/u/10573557/cod...a2settings.png

Now watch the next 3 steps in replying:

  1. http://dl.dropbox.com/u/10573557/code-tags/1-reply.png
  2. http://dl.dropbox.com/u/10573557/code-tags/2-reply.png
  3. http://dl.dropbox.com/u/10573557/cod...-reply-adv.png

Now watch the video to see an example of:
fdisk -l

YouTube option