intro	intro - introduction to the Inferno File Protocol, Styx
attach	attach, auth - messages to establish a connection
clunk	clunk - forget about a fid
error	error - return an error
flush	flush - abort a message
open	open, create - prepare a fid for I/O on an existing or new file
read	read, write - transfer data from and to a file
remove	remove - remove a file from a server
stat	stat, wstat - inquire or change file attributes
version	version - negotiate protocol version
walk	walk - descend a directory hierarchy