1*699cd480SApple OSS Distributions.\" $NetBSD: null.4,v 1.3 1994/11/30 16:22:29 jtc Exp $ 2*699cd480SApple OSS Distributions.\" 3*699cd480SApple OSS Distributions.\" Copyright (c) 1991, 1993 4*699cd480SApple OSS Distributions.\" The Regents of the University of California. All rights reserved. 5*699cd480SApple OSS Distributions.\" 6*699cd480SApple OSS Distributions.\" Redistribution and use in source and binary forms, with or without 7*699cd480SApple OSS Distributions.\" modification, are permitted provided that the following conditions 8*699cd480SApple OSS Distributions.\" are met: 9*699cd480SApple OSS Distributions.\" 1. Redistributions of source code must retain the above copyright 10*699cd480SApple OSS Distributions.\" notice, this list of conditions and the following disclaimer. 11*699cd480SApple OSS Distributions.\" 2. Redistributions in binary form must reproduce the above copyright 12*699cd480SApple OSS Distributions.\" notice, this list of conditions and the following disclaimer in the 13*699cd480SApple OSS Distributions.\" documentation and/or other materials provided with the distribution. 14*699cd480SApple OSS Distributions.\" 3. All advertising materials mentioning features or use of this software 15*699cd480SApple OSS Distributions.\" must display the following acknowledgement: 16*699cd480SApple OSS Distributions.\" This product includes software developed by the University of 17*699cd480SApple OSS Distributions.\" California, Berkeley and its contributors. 18*699cd480SApple OSS Distributions.\" 4. Neither the name of the University nor the names of its contributors 19*699cd480SApple OSS Distributions.\" may be used to endorse or promote products derived from this software 20*699cd480SApple OSS Distributions.\" without specific prior written permission. 21*699cd480SApple OSS Distributions.\" 22*699cd480SApple OSS Distributions.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23*699cd480SApple OSS Distributions.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24*699cd480SApple OSS Distributions.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25*699cd480SApple OSS Distributions.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26*699cd480SApple OSS Distributions.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27*699cd480SApple OSS Distributions.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28*699cd480SApple OSS Distributions.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29*699cd480SApple OSS Distributions.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30*699cd480SApple OSS Distributions.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31*699cd480SApple OSS Distributions.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32*699cd480SApple OSS Distributions.\" SUCH DAMAGE. 33*699cd480SApple OSS Distributions.\" 34*699cd480SApple OSS Distributions.\" @(#)null.4 8.1 (Berkeley) 6/5/93 35*699cd480SApple OSS Distributions.\" 36*699cd480SApple OSS Distributions.Dd June 5, 1993 37*699cd480SApple OSS Distributions.Dt NULL 4 38*699cd480SApple OSS Distributions.Os 39*699cd480SApple OSS Distributions.Sh NAME 40*699cd480SApple OSS Distributions.Nm null 41*699cd480SApple OSS Distributions.Nd the null device 42*699cd480SApple OSS Distributions.Sh DESCRIPTION 43*699cd480SApple OSS DistributionsThe 44*699cd480SApple OSS Distributions.Nm 45*699cd480SApple OSS Distributionsdevice accepts and reads data as any ordinary (and willing) 46*699cd480SApple OSS Distributionsfile \- 47*699cd480SApple OSS Distributionsbut throws it away. The length of the 48*699cd480SApple OSS Distributions.Nm null 49*699cd480SApple OSS Distributionsdevice is always zero. 50*699cd480SApple OSS Distributions.Sh FILES 51*699cd480SApple OSS Distributions.Bl -tag -width /dev/null 52*699cd480SApple OSS Distributions.It Pa /dev/null 53*699cd480SApple OSS Distributions.El 54*699cd480SApple OSS Distributions.Sh HISTORY 55*699cd480SApple OSS DistributionsA 56*699cd480SApple OSS Distributions.Nm 57*699cd480SApple OSS Distributionsdevice appeared in 58*699cd480SApple OSS Distributions.At v7 . 59