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    The following form allows you to view linux man pages.

    Command:

    mem

    
    
    

    DESCRIPTION

           mem  is  a character device file that is an image of the main memory of
           the computer.  It may be used, for example, to examine (and even patch)
           the system.
    
           Byte  addresses  in  mem  are interpreted as physical memory addresses.
           References to nonexistent locations cause errors to be returned.
    
           Examining and patching is likely to lead  to  unexpected  results  when
           read-only or write-only bits are present.
    
           It is typically created by:
    
                  mknod -m 660 /dev/mem c 1 1
                  chown root:kmem /dev/mem
    
           The file kmem is the same as mem, except that the kernel virtual memory
           rather than physical memory is accessed.
    
           It is typically created by:
    
                  mknod -m 640 /dev/kmem c 1 2
                  chown root:kmem /dev/kmem
    
           port is similar to mem, but the I/O ports are accessed.
    
           It is typically created by:
    
                  mknod -m 660 /dev/port c 1 4
                  chown root:mem /dev/port
    
    
    

    FILES

           /dev/mem
           /dev/kmem
           /dev/port
    
    
    

    SEE ALSO

           chown(1), mknod(1), ioperm(2)
    
    
    

    Linux 1992-11-21 MEM(4)

    
    
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