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UMB
Last modified: Tuesday, March 12, 2002
Short for
u
pper
m
emory
b
lock,
a block of memory in the
DOS
upper memory area (UMA)
. UMBs are allocated and managed by a special memory manager such as EMM386.EXE, and can be used for
TSRs
and
device drivers
.
Related Categories
DOS
Related Terms
high memory
TSR
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