kmem man page on OPENSTEP

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MEM(4)									MEM(4)

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

4th Berkeley Distribution	March 10, 1990				MEM(4)
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