WALK(5) File Formats Manual WALK(5)
walk - descend a directory hierarchy
Twalk tag fid name
Rwalk tag fid qid
The walk request looks for the file name in the directory represented
For the walk to succeed, the file identified by fid must be a direc-
tory, and the implied user of the request must have permission to
search the directory (see intro(5)).
After a successful walk, fid represents the specified file. The qid
for the new file is returned with the walk reply message.
A walk of the name .. in the root directory of a server is a no-op.
A call to chdir(2) causes a walk. One or more walk messages may be
generated by any of the following calls, which evaluate file names:
bind, create, exec, mount, open, remove, stat, unmount, wstat. The
file name element . (dot) is interpreted locally and is not transmit-
ted in walk messages.