DIR OpenVMS
   DIR amiga
   DIR android
   DIR ant
   DIR apltex
   DOS apltex.zip
   DIR atari
   DIR chitex
   DIR doc
   DIR enctex
   DIR generic
   DIR javatex
   DIR knuth
   DIR mac
   DIR msdos
   DIR nts
   DIR os2
   DIR parsitex
   DOS parsitex.zip
   DIR stanford
   DIR tex-extensions
   DIR texlive
   DIR texrocks
   DOS texrocks.zip
   DIR unix
   DIR vtex
   DIR win32
   DIR windows