1*4d495c6eSApple OSS Distributions.\" $NetBSD: null.4,v 1.3 1994/11/30 16:22:29 jtc Exp $ 2*4d495c6eSApple OSS Distributions.\" 3*4d495c6eSApple OSS Distributions.\" Copyright (c) 1991, 1993 4*4d495c6eSApple OSS Distributions.\" The Regents of the University of California. All rights reserved. 5*4d495c6eSApple OSS Distributions.\" 6*4d495c6eSApple OSS Distributions.\" Redistribution and use in source and binary forms, with or without 7*4d495c6eSApple OSS Distributions.\" modification, are permitted provided that the following conditions 8*4d495c6eSApple OSS Distributions.\" are met: 9*4d495c6eSApple OSS Distributions.\" 1. Redistributions of source code must retain the above copyright 10*4d495c6eSApple OSS Distributions.\" notice, this list of conditions and the following disclaimer. 11*4d495c6eSApple OSS Distributions.\" 2. Redistributions in binary form must reproduce the above copyright 12*4d495c6eSApple OSS Distributions.\" notice, this list of conditions and the following disclaimer in the 13*4d495c6eSApple OSS Distributions.\" documentation and/or other materials provided with the distribution. 14*4d495c6eSApple OSS Distributions.\" 3. All advertising materials mentioning features or use of this software 15*4d495c6eSApple OSS Distributions.\" must display the following acknowledgement: 16*4d495c6eSApple OSS Distributions.\" This product includes software developed by the University of 17*4d495c6eSApple OSS Distributions.\" California, Berkeley and its contributors. 18*4d495c6eSApple OSS Distributions.\" 4. Neither the name of the University nor the names of its contributors 19*4d495c6eSApple OSS Distributions.\" may be used to endorse or promote products derived from this software 20*4d495c6eSApple OSS Distributions.\" without specific prior written permission. 21*4d495c6eSApple OSS Distributions.\" 22*4d495c6eSApple OSS Distributions.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23*4d495c6eSApple OSS Distributions.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24*4d495c6eSApple OSS Distributions.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25*4d495c6eSApple OSS Distributions.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26*4d495c6eSApple OSS Distributions.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27*4d495c6eSApple OSS Distributions.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28*4d495c6eSApple OSS Distributions.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29*4d495c6eSApple OSS Distributions.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30*4d495c6eSApple OSS Distributions.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31*4d495c6eSApple OSS Distributions.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32*4d495c6eSApple OSS Distributions.\" SUCH DAMAGE. 33*4d495c6eSApple OSS Distributions.\" 34*4d495c6eSApple OSS Distributions.\" @(#)null.4 8.1 (Berkeley) 6/5/93 35*4d495c6eSApple OSS Distributions.\" 36*4d495c6eSApple OSS Distributions.Dd June 5, 1993 37*4d495c6eSApple OSS Distributions.Dt NULL 4 38*4d495c6eSApple OSS Distributions.Os 39*4d495c6eSApple OSS Distributions.Sh NAME 40*4d495c6eSApple OSS Distributions.Nm null 41*4d495c6eSApple OSS Distributions.Nd the null device 42*4d495c6eSApple OSS Distributions.Sh DESCRIPTION 43*4d495c6eSApple OSS DistributionsThe 44*4d495c6eSApple OSS Distributions.Nm 45*4d495c6eSApple OSS Distributionsdevice accepts and reads data as any ordinary (and willing) 46*4d495c6eSApple OSS Distributionsfile \- 47*4d495c6eSApple OSS Distributionsbut throws it away. The length of the 48*4d495c6eSApple OSS Distributions.Nm null 49*4d495c6eSApple OSS Distributionsdevice is always zero. 50*4d495c6eSApple OSS Distributions.Sh FILES 51*4d495c6eSApple OSS Distributions.Bl -tag -width /dev/null 52*4d495c6eSApple OSS Distributions.It Pa /dev/null 53*4d495c6eSApple OSS Distributions.El 54*4d495c6eSApple OSS Distributions.Sh HISTORY 55*4d495c6eSApple OSS DistributionsA 56*4d495c6eSApple OSS Distributions.Nm 57*4d495c6eSApple OSS Distributionsdevice appeared in 58*4d495c6eSApple OSS Distributions.At v7 . 59