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NULL(4)		       FreeBSD 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

SEE ALSO
     zero(4)

HISTORY
     null first	appeared in Version 4 AT&T UNIX	as an empty file, /dev/null,
     which returned end	of file	when being read	from.  An implementation which
     could also	be written to first appeared in	Version	5 AT&T UNIX.

FreeBSD	13.0			August 31, 2019			  FreeBSD 13.0

NAME | DESCRIPTION | FILES | SEE ALSO | HISTORY

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<https://www.freebsd.org/cgi/man.cgi?query=null&sektion=4&manpath=OpenBSD+6.9>

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