If the BOM is stripped from StdIn, then an app that duplicates StdIn will not be able to duplicate, say, a UCS2 file that was piped into it (the output file it creates would not start with a BOM). Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jim Dailey <jim_dailey@dell.com> Reviewed-by: Jaben Carsey <Jaben.Carsey@intel.com>