mem man page on Xenix

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     MEM(M)		      XENIX System V			MEM(M)

     Name
	  mem, kmem - Memory image file.

     Description
	  The mem file provides access to the computer's physical
	  memory.  All byte addresses in the file are interpreted as
	  memory addresses.  Thus, memory locations can be examined in
	  the same way as individual bytes in a file.  Note that
	  accessing a nonexistent location causes an error.

	  The kmem file is the same as mem except that it corresponds
	  to kernel virtual memory rather than physical memory.

	  In rare cases, the mem and kmem files may be used to write
	  to memory and memory-mapped devices.	Such patching is not
	  intended for the naive user and may lead to a system crash
	  if not conducted properly.  Patching device registers is
	  likely to lead to unexpected results if the device has
	  read-only or write-only bits.

     Files
	  /dev/mem

	  /dev/kmem

     Page 1					      (printed 8/7/87)

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