.I etcdir
and
.I libdir
-install directories and all
+install directories, all
.I proc
-settings. The
+settings, and the locking method with which the
+.B nmh
+installation was configured. The
.B \-debug
switch displays all such other information available from
.BR mhparam .
% mhparam libdir
%libdir%
+
+% mhparam lockmethod
+fcntl
.fi
.RE
.PP