This Wiki page is edited by participants of the HTML Accessibility Task Force. It does not necessarily represent consensus and it may have incorrect information or information that is not supported by other Task Force participants, WAI, or W3C. It may also have some very useful information.
From HTML accessibility task force Wiki
This special page returns the complete path for a file. Images are shown in full resolution, other file types are started with their associated program directly.Enter the file name without the "File:" prefix.