41 lines
1.0 KiB
Groff
41 lines
1.0 KiB
Groff
.\" $NetBSD: ethers.5,v 1.2 1994/11/30 19:31:16 jtc Exp $
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.\"
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.\" Written by Roland McGrath <roland@frob.com>. Public domain.
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.\"
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.Dd December 16, 1993
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.Dt ETHERS 5
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.Os NetBSD
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.Sh NAME
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.Nm ethers
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.Nd Ethernet host name data base
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.Sh DESCRIPTION
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The
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.Xr ethers
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file maps Ethernet addresses to host names.
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Lines consist of an address and a host name, separated by any number of blanks and/or tab characters.
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A ``#'' indicates the beginning of a comment; characters up to the end of
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the line are not interpreted by routines which search the file.
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.Pp
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Ethernet addresses are expressed as six hexadecimal numbers separated by colons. The functions described in
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.Xr ethers 3
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and
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.Xr ether_aton 3
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can read and produce this format.
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.Sh FILES
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.Bl -tag -width /etc/ethers -compact
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.It Pa /etc/ethers
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The
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.Nm ethers
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file resides in
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.Pa /etc .
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.El
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.Sh SEE ALSO
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.Xr ethers 3
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.Sh BUGS
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A name server should be used instead of a static file.
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.Sh HISTORY
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The
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.Nm ethers
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file format was adopted from SunOS and appeared in
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NetBSD 0.9b.
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