mem(7) mem(7)
NAME
mem, kmem - core memory
DESCRIPTION
The file /dev/mem is a special file that is an image of the
core memory of the computer. For example, it may be used to
examine and patch the system.
Byte addresses in /dev/mem are interpreted as memory
addresses. References to non-existent locations cause errors
to be returned.
Examining and patching device registers is likely to lead to
unexpected results when read-only or write-only bits are
present.
The file /dev/kmem is the same as /dev/mem except that kernel
virtual memory rather than physical memory is accessed.
Files
/dev/mem
/dev/kmem
NOTICES
Some of /dev/kmem cannot be read because of write-only
addresses or unequipped memory addresses.
Copyright 1994 Novell, Inc. Page 1