mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-20 11:11:24 +00:00
58 lines
2.2 KiB
Groff
58 lines
2.2 KiB
Groff
.\" Copyright (c) 1996
|
|
.\" Mike Pritchard <mpp@FreeBSD.org>. All rights reserved.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 3. All advertising materials mentioning features or use of this software
|
|
.\" must display the following acknowledgement:
|
|
.\" This product includes software developed by Mike Pritchard and
|
|
.\" contributors.
|
|
.\" 4. Neither the name of the author nor the names of its contributors
|
|
.\" may be used to endorse or promote products derived from this software
|
|
.\" without specific prior written permission.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.\" $FreeBSD$
|
|
.\"
|
|
.Dd April 7, 1996
|
|
.Dt ZERO 4
|
|
.Os
|
|
.Sh NAME
|
|
.Nm zero
|
|
.Nd the zero device
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Nm
|
|
device accepts and reads data as any ordinary (and willing)
|
|
file,
|
|
but throws away any data written to it, and returns an endless
|
|
supply of null bytes when read.
|
|
.Sh FILES
|
|
.Bl -tag -width /dev/zero
|
|
.It Pa /dev/zero
|
|
.El
|
|
.Sh SEE ALSO
|
|
.Xr null 4
|
|
.Sh HISTORY
|
|
A
|
|
.Nm
|
|
device appeared in
|
|
.Bx 4.4 .
|