A helpful termulator Emulator - ah-tty provides context-sensitive help 
at a UNIX shell prompt. ah-tty executes an inferior shell, and watches 
the output from the shell and the input to it from the user carefully, 
to determine what is a prompt, and what is actually a command typed by 
the user.

WWW: http://ah-tty.sourceforge.net/

- Michael L. Hostbaek
mich@freebsdcluster.org