The directory that contains the RADIUS configuration files. Defaults to
\fI/etc/raddb\fP.
.IP \-F\ \fIradutmp_file\fP
-The file that contains the radutmp file. If this is specified, -d is
+The file that contains the radutmp file. If this is specified, \-d is
not necessary.
.IP \-i
Shows the session ID instead of the full name.