with proper interpretation of exit status or signal and coredump
information.
+=item @ file
+
+Read and execute debugger commands from I<file>. I<file> may itself contain
+C<@> commands.
+
=item H -number
Display last n commands. Only commands longer than one character are
Length to truncate the argument list when the C<frame> option's
bit 4 is set.
+=item C<windowSize>
+
+Change the size of code list window (default is 10 lines).
+
=back
The following options affect what happens with C<V>, C<X>, and C<x>