91 lines
1.8 KiB
Groff
91 lines
1.8 KiB
Groff
.\" @(#)ypaliases.5 1.1 94/10/31 SMI;
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.TH YPALIASES 5 "25 September 1989"
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.SH NAME
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ypaliases \- NIS aliases for sendmail
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.SH SYNOPSIS
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.B /etc/ypaliases
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.SH AVAILABILITY
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.LP
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Available only on Sun 386i systems running a SunOS 4.0.\fIx\fR
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release or earlier. Not a SunOS 4.1 release feature.
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.SH DESCRIPTION
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.IX "ypaliases" "\fLypaliases\fP \(em NIS aliases for sendmail" ""
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.LP
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Create the
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Network Information Service
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(\s-1NIS\s0)
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aliases map with this text file.
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The
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.B /etc/ypaliases
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file has the same format as the
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.B /etc/aliases
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file described in
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.BR aliases (5).
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.LP
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The text file for the
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.SM NIS
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aliases map is stored in the
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.B /etc/aliases
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file on the
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.SM NIS
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master of an
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.SM NIS
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domain.
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Other systems in a domain (besides the
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.SM NIS
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master) can also have a local
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.B /etc/aliases
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file.
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The local file is accessed first by programs such as
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.BR sendmail (8),
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and if it contains a line beginning with the character
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.RB ` + ',
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the
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.SM NIS
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map will be accessed.
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.LP
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The local
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.B /etc/aliases
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file can specify resources that are not available on a
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network-wide basis.
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This implies that the
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.SM NIS
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master cannot use the local
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.B /etc/aliases
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file to specify aliases that are to be known only to the local system.
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Sun386i systems allow the
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.B /etc/aliases
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file on the
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.SM NIS
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master to be used locally, creating the
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.SM NIS
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aliases map with the
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.B /etc/ypaliases
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text file.
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.SH FILES
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.PD 0
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.TP 20
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.B /etc/aliases
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.TP 20
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.B /etc/ypaliases
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.PD
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.SH SEE ALSO
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.BR uucp (1C),
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.BR dbm (3X),
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.BR aliases (5),
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.BR newaliases (8),
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.BR sendmail (8)
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.LP
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.TX ADMIN
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.SH NOTES
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.LP
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The Network Information Service
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(\s-1NIS\s0)
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was formerly known as Sun Yellow Pages
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(\s-1YP\s0).
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The functionality of the two remains the same;
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only the name has changed.
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The name Yellow Pages is a registered trademark in the United Kingdom
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of British Telecommunications plc,
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and may not be used without permission.
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