[NTLUG:Discuss] Silly noobie question - history

[Patrick R. Michaud]

On Thu, Feb 08, 2007 at 10:19:25AM -0600, Richard Geoffrion wrote:
> Stephen Klein wrote:
> > Michael Barnes wrote:
> >   
> >> At a command line, I use the up arrow and scroll through the history 
> >> list looking for a command.  
> > The [Page Down] key will take you back to a the empty command line, and 
> > the beginning of the history.  [Page up] will take you to the first 
> > command in the history.
> >
> >   
> OK... so what is with the ! ??  Where is the documentation that says 
> that typing
> 
> !cat
> 
> Will run the last 'cat' command that was previously run??
> What else can you do with ! ??

Check the bash(1) manual page, in the section that begins
"HISTORY EXPANSION".

Pm