1afe61c15SRodney W. Grimes.\" Copyright (c) 1991, 1993 2afe61c15SRodney W. Grimes.\" The Regents of the University of California. All rights reserved. 3afe61c15SRodney W. Grimes.\" 4afe61c15SRodney W. Grimes.\" Redistribution and use in source and binary forms, with or without 5afe61c15SRodney W. Grimes.\" modification, are permitted provided that the following conditions 6afe61c15SRodney W. Grimes.\" are met: 7afe61c15SRodney W. Grimes.\" 1. Redistributions of source code must retain the above copyright 8afe61c15SRodney W. Grimes.\" notice, this list of conditions and the following disclaimer. 9afe61c15SRodney W. Grimes.\" 2. Redistributions in binary form must reproduce the above copyright 10afe61c15SRodney W. Grimes.\" notice, this list of conditions and the following disclaimer in the 11afe61c15SRodney W. Grimes.\" documentation and/or other materials provided with the distribution. 12dda5b397SEitan Adler.\" 3. Neither the name of the University nor the names of its contributors 13afe61c15SRodney W. Grimes.\" may be used to endorse or promote products derived from this software 14afe61c15SRodney W. Grimes.\" without specific prior written permission. 15afe61c15SRodney W. Grimes.\" 16afe61c15SRodney W. Grimes.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17afe61c15SRodney W. Grimes.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18afe61c15SRodney W. Grimes.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19afe61c15SRodney W. Grimes.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20afe61c15SRodney W. Grimes.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21afe61c15SRodney W. Grimes.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22afe61c15SRodney W. Grimes.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23afe61c15SRodney W. Grimes.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24afe61c15SRodney W. Grimes.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25afe61c15SRodney W. Grimes.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26afe61c15SRodney W. Grimes.\" SUCH DAMAGE. 27afe61c15SRodney W. Grimes.\" 28*e12102f1SSevan Janiyan.Dd August 30, 2019 29afe61c15SRodney W. Grimes.Dt NULL 4 30afe61c15SRodney W. Grimes.Os 31afe61c15SRodney W. Grimes.Sh NAME 32afe61c15SRodney W. Grimes.Nm null 33afe61c15SRodney W. Grimes.Nd the null device 34afe61c15SRodney W. Grimes.Sh DESCRIPTION 35afe61c15SRodney W. GrimesThe 36afe61c15SRodney W. Grimes.Nm 37afe61c15SRodney W. Grimesdevice accepts and reads data as any ordinary (and willing) 38ae4eb6f8SSimon L. B. Nielsenfile - 396d249eeeSSheldon Hearnbut throws it away. 406d249eeeSSheldon HearnThe length of the 414b66483fSRuslan Ermilov.Nm 42afe61c15SRodney W. Grimesdevice is always zero. 43afe61c15SRodney W. Grimes.Sh FILES 44afe61c15SRodney W. Grimes.Bl -tag -width /dev/null 45afe61c15SRodney W. Grimes.It Pa /dev/null 46afe61c15SRodney W. Grimes.El 47c4a856d3SMike Pritchard.Sh SEE ALSO 48279234c3SEitan Adler.Xr full 4 , 49c4a856d3SMike Pritchard.Xr zero 4 50afe61c15SRodney W. Grimes.Sh HISTORY 51afe61c15SRodney W. GrimesA 52afe61c15SRodney W. Grimes.Nm 53afe61c15SRodney W. Grimesdevice appeared in 54*e12102f1SSevan Janiyan.At v4 . 55