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man null(4)
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null(4)                  BSD Kernel Interfaces Manual                  null(4)


NAME

     null -- the null device


DESCRIPTION

     The null device accepts and reads data as any ordinary (and willing) file
     - but throws it away. The length of the null device is always zero.


FILES

     /dev/null


HISTORY

     A null device appeared in Version 7 AT&T UNIX.

BSD                              June 5, 1993                              BSD

Mac OS X 10.9 - Generated Wed Oct 16 18:03:30 CDT 2013
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