MEM
Section: Devices and Network Interfaces (4)
Updated: March 10, 1990
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NAME
mem, kmem - main memory
DESCRIPTION
Mem
is a special file that is an image of the main memory
of the computer.
It may be used, for example, to examine
(and even to patch) the system.
Byte addresses in
mem
are interpreted as physical memory addresses.
References to non-existent locations cause errors to be returned.
The file
kmem
is the same as
mem
except that kernel virtual memory
rather than physical memory is accessed.
Only kernel virtual addresses that are mapped to memory are allowed.
Examining and patching device registers is likely
to lead to unexpected results when read-only or write-only
bits are present.
FILES
/dev/mem
/dev/kmem
Index
- NAME
-
- DESCRIPTION
-
- FILES
-
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