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