https://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/attrib.mspx?mfr=true

Attrib

Displays, sets, or removes the read-only, archive, system, and hidden attributes 
assigned to files or directories. Used without parameters, attrib displays attributes 
of all files in the current directory.

Syntax

attrib [{+r|-r}] [{+a|-a}] [{+s|-s}] [{+h|-h}] [[Drive:][Path] FileName] [/s[/d]]