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. 

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

                                              Jack 
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