xref: /csrg-svn/share/man/man4/null.4 (revision 47675)
1*47675Scael.\" Copyright (c) 1991 The Regents of the University of California.
2*47675Scael.\" All rights reserved.
320621Smckusick.\"
4*47675Scael.\" %sccs.include.redist.man%
5*47675Scael.\"
6*47675Scael.\"     @(#)null.4	6.2 (Berkeley) 03/28/91
7*47675Scael.\"
8*47675Scael.Dd
9*47675Scael.Dt NULL 4
10*47675Scael.Os BSD 4.4
11*47675Scael.Sh NAME
12*47675Scael.Nm null
13*47675Scael.Nd the null device
14*47675Scael.Sh DESCRIPTION
15*47675ScaelThe
16*47675Scael.Nm
17*47675Scaeldevice accepts and reads data as any ordinary (and willing)
18*47675Scaelfile \-
19*47675Scaelbut throws it away. The length of the
20*47675Scael.Nm null
21*47675Scaeldevice is always zero.
22*47675Scael.Sh FILES
23*47675Scael.Bl -tag -width /dev/null
24*47675Scael.It Pa /dev/null
25*47675Scael.El
26*47675Scael.Sh HISTORY
27*47675ScaelA
28*47675Scael.Nm
29*47675Scaeldevice appeared in
30*47675Scael.At v7 .
31