ATTRIBUTE seting of a file

attrib.exe

Display or change file attributes. Find Filenames.

Syntax ATTRIB [ + attribute | - attribute ] [pathname] [/S [/D]] 

 Key      +    : Turn an attribute ON
        -    : Clear an attribute OFF  

 pathname : Drive and/or filename
e.g. C:\*.txt  /S    : Search the pathname including all subfolders.
               /D : Process folders as well   

  attributes:R  Read-only (1)H  Hidden (2) A  Archive (32)S  System (4)
extended attributes:  E  Encrypted
                      C  Compressed (128:read-only)
                      I  Not content-indexed
                      L  Symbolic link/Junction (64:read-only)
                      N  Normal (0: cannot be used for file selection)
                      O  Offline
                      P  Sparse file
                      T  Temporary