Jack Stein wrote in a message to Murray Lesser:

 JS> Murray Lesser wrote in a message to John Angelico:

JA>Now Jack, you'll have someone start a thread about "how small was
  >that program I wrote way back when...." 

 ML>    I vote for David Noon's 1998 TELLBOOT "external function"
 ML> for OS/2 REXX, written in assembly language.  The DLL file
 ML> is 619 bytes. 

 JS> I vote for OSTSR, the OS/2 Time Slice Releaser also written
 JS> in ASM by Jay Clegg.  It takes up just 336 bytes of memory.

If we're talking about stuff _we wrote_,  the all-time winner has to be a
clear-screen com file I wrote to run under CP/M for a system that didn't have
such a function.  It was a whopping 7 bytes long,  including an operating
system call!  

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