有谁可以给我详解这几条命令

ISCSI 虚拟盘

iscsicli AddTargetPortal 192.168.0.242 3260

iscsicli logintarget iqn.2005-02.com.ricecake.iscsi:00 T * * * * * * * * * * * * * * * 0

set old=h:

set new=f:

pushd %new% 2>nul && echo %new%盘已经存在! && pause && goto :eof

for /f %%i in ('mountvol %old% /l') do set "vol=%%i"

mountvol %old% /d

mountvol %new% %vol%

popd

for /f "usebackq delims=: tokens=2" %%i in (`iscsicli SessionList^|find /i "Session Id"`) do iscsicli LogoutTarget %%i