这是一个显示文件，现在有的病毒会隐藏优盘中的文件夹，修改属性很麻烦，用这个可以很快修改属性，把它粘到优盘中双击就可以了-This is a display file, USB flash drives now have the virus hidden in a folder, modify the properties of a lot of trouble, using this can quickly modify the property, it stick to the flash d