EMM386
Also found in: Wikipedia.
EMM386
(software, storage)An expanded memory manager for IBM PCs
with an Intel 80386 or higher processor, part of MS-DOS
version 5.00 or higher. EMM386 uses extended memory to
simulate expanded memory and also provides upper memory blocks. It must be loaded by a DEVICE= command in your
CONFIG.SYS file.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)