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.\"	@(#)null.4	8.1 (Berkeley) 6/5/93
.\"
.Dd August 30, 2019
.Dt NULL 4
.Os
.Sh NAME
.Nm null
.Nd the null device
.Sh DESCRIPTION
The
.Nm
device accepts and reads data as any ordinary (and willing)
file -
but throws it away.
The length of the
.Nm
device is always zero.
.Sh FILES
.Bl -tag -width /dev/null
.It Pa /dev/null
.El
.Sh SEE ALSO
.Xr full 4 ,
.Xr zero 4
.Sh HISTORY
A
.Nm
device appeared in
.At v4 .