SMG

from The Free On-line Dictionary of Computing (8 July 2008)
SMG

   Screen Management Guidelines.  A {VMS} package of run-time
   library routines providing windows on {DEC} {VT100} terminals.
from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)
SMG
       Special Mobile Group (GSM, org., mobile-systems)
antiflux / dictionary / SMG
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