IML

from The Free On-line Dictionary of Computing (8 July 2008)
Initial Microprogram Load
IML

   <operating system> (IML) Loading {microcode} into microcode
   memory.

   (1997-08-31)
    
from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)
IML
       Initial Machine Load
       
    

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