1, by removing the tick "Hide protected operating system files (recommended)" and check "Show hidden files, folders and drives", you can view all the system files
2, however Win7 by default, "Hide protected operating system files (recommended)" is checked, so that some hidden system files are not visible (PS: Model malware will set its own security directory as a hidden system file)
3, generally hidden files/folders set as follows, where the "hidden" function is editable, by setting "Show hidden files, folders and drives" can see them
4, however, set to the system of hidden files is such---"hidden" can not be changed through the graphical interface, and only by opening the following two settings at the same time to open
5, set the method is to use the window Automatic shell command
How to set the Win7 system folder to a system file, thus hiding the folder