关于电脑批处理

提问者：镜嬅水玥  |  浏览 次  |  提问时间：2017-10-15  |  回答数量：2

请问这个批处理运行了为什么说ECHO处于关闭状态的？但是我已经通过DOS命令打开了。
@e@echo off
echo By Original
takeown /f %WinDir%\System32\drivers\tcpip.sys 1>nul 2>nul
echo y|cacls %WinDir%\System32\Drivers\tcpip.sys /G %username%:F 1>nul 2>nul
replace tcpip.sys %WinDir%\System32\drivers\ 1>nul 2>nul
netsh int tcp set global autotuninglevel=disable 1>nul 2>nul
set /p ConnNum=3
reg add HKLM\System\CurrentControlSet\Services\Tcpip\Parameters 7 TcpNumConnections /t REG_DWORD /d %ConnNum% /f 1>nul 2>nul
echo
pause 1>nulcho off
echo By Original
takeown /f %WinDir%\System32\drivers\tcpip.sys 1>nul 2>nul
echo y|cacls %WinDir%\System32\Drivers\tcpip.sys /G %username%:F 1>nul 2>nul
replace tcpip.sys %WinDir%\System32\drivers\ 1>nul 2>nul
netsh int tcp set global autotuninglevel=disable 1>nul 2>nul
set /p ConnNum=3
reg add HKLM\System\CurrentControlSet\Services\Tcpip\Parameters 7 TcpNumConnections /t REG_DWORD /d %ConnNum% /f 1>nul 2>nul
echo
pause 1>nul