xref: /freebsd/share/man/man4/null.4 (revision 06c3fb2749bda94cb5201f81ffdb8fa6c3161b2e)
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28.Dd August 30, 2019
29.Dt NULL 4
30.Os
31.Sh NAME
32.Nm null
33.Nd the null device
34.Sh DESCRIPTION
35The
36.Nm
37device accepts and reads data as any ordinary (and willing)
38file -
39but throws it away.
40The length of the
41.Nm
42device is always zero.
43.Sh FILES
44.Bl -tag -width /dev/null
45.It Pa /dev/null
46.El
47.Sh SEE ALSO
48.Xr full 4 ,
49.Xr zero 4
50.Sh HISTORY
51A
52.Nm
53device appeared in
54.At v4 .
55