tftp(1tcp)
tftp --
trivial file transfer program
Synopsis
tftp [host [port]]
Description
The tftp command is the user interface to the Internet
TFTP
(Trivial File Transfer Protocol),
which allows users to transfer files to and from a remote machine.
Usage
The remote host, and optionally the port,
may be specified on the command line, in which case
tftp uses host as the default host for future transfer
(see the connect command below).
host may be a resolvable domain name, an IPv4 address, or
an IPv6 address.
port must be specified as an integer.
Commands
Once tftp is running, it issues the prompt
tftp>
and recognizes the following commands:
connect host [port]-
Set the host (and optionally port) for transfers.
The
TFTP
protocol, unlike the
FTP
protocol, does not maintain connections between transfers; thus, the
connect command does not actually create a connection,
but merely remembers what host is to be used for transfers.
You do not have to use the connect
command; the remote host can be specified as part of the
get or put commands.
mode transfer-mode-
Set the mode for transfers;
transfer-mode may be one of ascii or binary.
The default is ascii.
put filename-
put localfile remotefile-
put filename1 filename2 . . . filenameN remote-directory-
Transfer a file, or a set of files, to the specified
remote file or directory.
The destination can be in one of two forms:
a filename on the remote host if the host has already been specified,
or a string of the form
host:filename
to specify both a host and filename at the same time.
If the latter form is used,
the specified host becomes the default for future transfers.
If the remote-directory form is used, the remote host is
assumed to be running the
UNIX
system.
get filename-
get remotename localname-
get filename1 filename2 filename3 . . . filenameN-
Get a file or set of files (three or more) from the specified remote
sources.
source can be in one of two forms:
a filename on the remote host if the host has already been specified,
or a string of the form
host:filename
to specify both a host and filename at the same time.
If the latter form is used,
the last host specified becomes the default for future transfers.
quit-
Exit
tftp.
An
EOF
also exits.
verbose-
Toggle verbose mode.
trace-
Toggle packet tracing.
status-
Show current status.
rexmt retransmission-timeout-
Set the per-packet retransmission timeout, in seconds.
timeout total-transmission-timeout-
Set the total transmission timeout, in seconds.
ascii-
Shorthand for mode ascii.
binary-
Shorthand for mode binary.
? [command-name . . . ]-
Print help information.
Warnings
Because there is no user-login or validation within the
TFTP
protocol, many remote sites restrict file access in various ways.
Approved methods for file access are specific to each site, and
therefore cannot be documented here.
When using the get command to transfer multiple files
from a remote host, three or more files must be
specified. The command returns an error message if
only two files are specified.
References
tftpd(1Mtcp)
© 2004 The SCO Group, Inc. All rights reserved.
UnixWare 7 Release 7.1.4 - 25 April 2004