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.TH NAMESPACE 6
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.SH NAME
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namespace \- name space description file
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.SH DESCRIPTION
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Namespace files describe how to construct a name space from scratch,
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an operation normally performed by the
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.I newns
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or
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.I addns
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subroutines
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(see
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.IR auth (2))
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which is typically called by
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.IR init (8).
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Each line specifies one name space operation.
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Spaces and tabs separate arguments to operations;
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no quotes or escapes are recognized.
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Blank lines and lines with
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.B #
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as the first non-space character are ignored.
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Environment variables of the form
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.BI $ name
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are expanded within arguments,
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where
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.I name
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is a
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.SM UTF
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string terminated by white space, a
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.BR / ,
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or a
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.BR $ .
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.PP
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The known operations and their arguments are:
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.TF 0
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.TP
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.BR mount \ [ -abcC ]\ \fIservename\  old " \fR[\fIspec\fR\^\^]
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Mount
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.I servename
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on
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.IR old .
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.TP
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.BR bind \ [ -abcC "]  \fInew old
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Bind
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.I new
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on
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.IR old .
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.TP
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.BR import \ [ -abc ]\ \fIhost\fR\ "[\fIremotepath\fR\^\^] \fImountpoint\fR
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Import
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.I remotepath
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from machine
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.I server
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and attach it to
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.IR mountpoint .
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.TP
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.BI cd \ dir
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Change the working directory to
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.IR dir .
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.TP
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.BR unmount \ [ \fInew\fR ]\ \fIold
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Unmount
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.I new
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from
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.IR old ,
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or everything mounted on
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.I old
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if
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.I new
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is missing.
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.TP
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.BR clear
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Clear the name space with
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.BR rfork(RFCNAMEG) .
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.TP
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.BI . \ path
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Execute the namespace file
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.IR path .
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Note that
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.I path
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must be present in the name space being built.
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.PD
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.PP
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The options for
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.IR bind ,
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.IR mount ,
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and
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.I import
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are interpreted as in
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.IR bind (1)
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and
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.IR import (4).
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.SH "SEE ALSO"
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.IR bind (1),
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.IR namespace (4),
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.IR init (8)