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 mem(7)								      mem(7)




 NAME
      mem - 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 patch the
      system.

      Byte addresses in mem are interpreted as physical memory addresses.
      References to non-existent locations cause errors to be returned.

      File kmem is the same as mem except that kernel virtual memory rather
      than physical memory is accessed.	 Please refer to kmem(7) for
      information about ioctl operations that are supported on /dev/kmem.

 WARNINGS
      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

 SEE ALSO
      kmem(7).





























 Hewlett-Packard Company	    - 1 -   HP-UX Release 11i: November 2000