xref: /freebsd/share/man/man4/zero.4 (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
1.\" Copyright (c) 1996
2.\"	Mike Pritchard <mpp@FreeBSD.org>.  All rights reserved.
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32.Dd April 7, 1996
33.Dt ZERO 4
34.Os
35.Sh NAME
36.Nm zero
37.Nd the zero device
38.Sh DESCRIPTION
39The
40.Nm
41device accepts and reads data as any ordinary (and willing)
42file,
43but throws away any data written to it, and returns an endless
44supply of null bytes when read.
45.Sh FILES
46.Bl -tag -width /dev/zero
47.It Pa /dev/zero
48.El
49.Sh SEE ALSO
50.Xr full 4 ,
51.Xr null 4
52.Sh HISTORY
53A
54.Nm
55device appeared in
56.Bx 4.4 .
57