http://www.fmi.uni-passau.de/archive/doc/unix/unixhelp/Unixhelp/shell_csh_hist4.html (Einblicke ins Internet, 10/1995)You can preview a command from the history list without having to re-run it.
Preview the previous command. !!:p
Preview command number n. !n:p
Preview most recent command !string:p starting with characters in string.
Preview most recent command !?string:p containing characters that match string.