xref: /freebsd/share/man/man4/zero.4 (revision e0c4386e7e71d93b0edc0c8fa156263fc4a8b0b6)
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