pif

from The Free On-line Dictionary of Computing (8 July 2008)

Program Information File
pif

   <file format> Under {Windows}, a file providing information on
   how a non-Windows {application program} should be run,
   including how much {memory} should be allocated to it and what
   graphics interface it requires.

   {Filename extension}: .pif

   (1997-10-11)