Machine dependent operator

--- begin Test code ---
FFS;

Print[
  Environment["SAD_ARCH"], " ",
  {INF < INF, INF >= INF, INF > INF, INF =< INF, INF == INF, INF <> INF}];
--- end   Test code ---FFS;

Results:
OSF1   {0,1,0,1,1,0}
Linux    {0,1,0,1,1,0}
Darwin  {1,0,1,0,0,1}