+The RDir class reads through a directory, one entry at
+a time. Often, it is more efficient to read a directory many entries at a
+time, to minimize client-server interaction. RFs functions
+and the associated CDir class support this requirement.
+A directory entry is represented by the TEntry class which
+may represent a directory, file or even a volume label. Attributes such as
+archive, hidden, system and read-only are available, as in VFAT.
+