.TH WALK 5 
.SH NAME
walk \- descend a directory hierarchy
.SH SYNOPSIS
.ta \w'\fLTwalk 'u
.B
Twalk	
.IR tag [2]
.IR fid [2]
.IR name [28]
.br
.B
Rwalk	
.IR tag [2]
.IR fid [2]
.IR qid [8]
.SH DESCRIPTION
The
.B walk
request looks for the file
.I name
in the directory represented by
.IR fid .
.PP
For the
.B walk
to succeed, the file identified by
.I fid
must be a directory,
and the implied user of the request must have permission
to search the directory (see
.IR intro (5)).
.PP
After a successful
.BR walk ,
.I fid
represents the specified file.
The
.I qid
for the new file is returned with the
.B walk
response.
.SH ENTRY POINTS
A call to
.IR chdir (2)
causes a
.BR walk .
One or more
.B walk
messages may be generated by
any of the following calls, which evaluate file names:
.IR bind ,
.IR create ,
.IR mount ,
.IR open ,
.IR stat ,
.IR wstat .
The file name element
.B .
(dot) is interpreted locally and
is not transmitted in
.B walk
messages.