This will be based on command prompt(cmd)...on windows 7
reason making this guide is because of most my friend get their files hidden, shortcut is created from the folder/exe(don't open it) and cannot be unhidden(because some malware make it as 'protected system files') from most of the computer provided in the university...
if the 'folder option' or the 'cmd' has been disable at ur pc....skip this guide...
here is the step...