code: def fso_unlink(self, path):
      'overlays os.unlink()'
      path = self.deref(path, to_parent=True)
      if not self._lexists(path):
        raise OSError(2, 'No such file or directory', path)
      self._addentry(OverlayEntry(self, path, None)f fso_unlink(self, path):
      'overlays os.unlink()'
      path = self.deref(path, to_parent=True)
      if not self._lexists(path):
        raise OSError(2, 'No such file or directory', path)
      self._addentry(OverlayEntry(self, path, None))
docs: overlays os.unlink()