man <commandname> or google.com On 2/2/06 3:26 PM, "Richard Rohrdanz" <rrohrdanz at gmail.com> wrote: > I have already signed up for the 137 class which starts in March and > runs to May. It is strictly online so no classroom sessions. > > What do you use for a reference manual when you want to look up what > command does what? > > Richard