lianji0000

请教前辈这几行批处理的意思~~
::if exist c:\io.sys attrib -s -r -h c:\io.sys
::if exist c:\msdos.sys attrib -s -r -h c:\msdos.sys
::if exist c:\io.sys del /f /q c:\io.sys
::if exist c:\msdos.sys del /f /q c:\msdos.sys