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authorrgrimes <rgrimes@FreeBSD.org>1994-05-30 19:09:18 +0000
committerrgrimes <rgrimes@FreeBSD.org>1994-05-30 19:09:18 +0000
commitb0d61785cae024b1f44119446a940ee14c9ac959 (patch)
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parentd43599f73ba5858e573c7ad8b284f6a0808c5c93 (diff)
downloadFreeBSD-src-b0d61785cae024b1f44119446a940ee14c9ac959.zip
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+.\" Copyright (c) 1991, 1993
+.\" The Regents of the University of California. 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 the University of
+.\" California, Berkeley and its contributors.
+.\" 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
+.\"
+.\" @(#)null.4 8.1 (Berkeley) 6/5/93
+.\"
+.Dd June 5, 1993
+.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 null
+device is always zero.
+.Sh FILES
+.Bl -tag -width /dev/null
+.It Pa /dev/null
+.El
+.Sh HISTORY
+A
+.Nm
+device appeared in
+.At v7 .
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