var
  F: TextFile; 
begin 
  AssignFile(F, 'LPT1'); // LPT2, COM1, COM2... 
  Rewrite(F); 
  Writeln(F, 'Hello'); 
  Writeln(F, 'There!'); 
  Writeln(F, #12); 
  CloseFile(F); 
end;