[SkyMarshal]

Agreed, and man hier is always there if you forget something, don't have to go track it down on the web.

However, I found these useful too when I was learning it. Sometimes it just helps to read different explanations of the same thing till it sticks:

http://linuxcommand.org/lts0040.php

http://rute.2038bug.com/node20.html.gz