ECHO is off

 执行 batch 脚本：

  @ECHO OFF  
  @ECHO
  @ECHO !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Alert !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  @ECHO                        Testing....
  @ECHO !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Alert !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  @ECHO

 执行结果如下：

ECHO is off.
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Alert !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Testing....
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Alert !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
ECHO is off.

ECHO is off. 显示在输出结果中。

由于脚本中 @ECHO 后面没有参数。而没有 参数的 ECHO, 会把当前脚本 ECHO 命令行的状态(ON/OFF)显示出来，显示出的结果也就是：

ECHO is off.
ECHO is on.

如果想输出空行，可以用下面的命令：

echo.
echo=
echo(
echo[
echo]
echo+

修改脚本：

  @ECHO OFF  
  @ECHO.
  @ECHO. !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Alert !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  @ECHO.                        Testing....
  @ECHO. !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Alert !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  @ECHO.

输出结果就工整了很多：

 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Alert !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
                        Testing....
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Alert !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!