[ale] guide to ! and $

[cade at computerreligion.com (cade at computerreligion.com)]

Does anybody know of a good web site to explain the functions of ! and $
on the command line.  I know a few tricks like !! and $_ but i don't know
what I don't know.  Any sugestions?  Trying to search on google does not
help(hard to search for non letters). 

--cade

"Burn your tv in your yard, and gather round it with your friends,
and warm your hands upon the fire and start again" --Toad the Wet Sprocket
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