directory to Dir. rename(From, To) Renames the ???le From to To. make dir(Dir) Creates the directory Dir. del dir(Dir) Deletes the directory Dir. list dir(Dir) Returns {ok, L}, where L is a list of all the ???les in the directory Dir. file info(File) Returns {ok, L}, where L is a tuple contain- ing information about the ???le File. consult(File) Returns {ok, L}, where L is a list of all the terms