Using History Interactively (1)
$ history [-anrw] [filename]
$ history -ps arg Display the history list with line numbers. Lines prefixed with with a * have been modified. An argument of n says to list only the last n lines.
Options: -w, -r, -a, or -n if filename is given, then it is used as the history file. If not, then the value of the HISTFILE variable is used.