DOS ain't dead

File 5.03 was released on 06 May 2009 by Christos Zoulas. (File is a clone of the *nix file(1) command which uses a magic file to detect random file types based upon content and not extension.)

Website: http://darwinsys.com/file/
Download: http://rugxulo.googlepages.com/file-503.zip (860k, w/ srcs)

Changes: "The major changes for 5.x are CDF file parsing, indirect
magic, and overhaul in mime and ascii encoding handling."