The Free On-line Dictionary of Computing (30 December 2018):

less than
<

    "<" ASCII character 60.

   Common names: ITU-T: less than; bra (">" = ket); left angle;
   left angle bracket; left broket.  Rare: from; read from; suck
   (">" = blow); comes-from; in; crunch (all from Unix);
   INTERCAL: angle.

   See also greater than.

   (1995-03-20)