P驱完全镜像主动回收空闲内存的bat的设置内容和方法：

wanghh

set dd=C: ::设置要回收的盘符如C: for /f "tokens=1 delims= " %%i in ('wmic logicaldisk where "caption='%dd%'" get freespace') do (     set /a n+=1    if !n!==2 (set size=%%i) else echo >nul ) fsutil file createnew %dd%\test.zip %size%  del /f /q %dd%\test.zip exit