+.SS Extra Export Tables
+After reading
+.I /etc/exports
+.B exportfs
+reads files under
+.I /etc/exports.d.
+directory as extra export tables.
+.B exportfs
+regards only a file which name is ended with
+.I .exports
+and
+not started with
+.I .
+as an extra export file. A file which name
+is not met this condition is just ignored.
+The format for extra export tables is the same as
+.I /etc/exports
+.