TFTP(1) BSD General Commands Manual TFTP(1)
NAME
tftp - trivial file transfer program
SYNOPSIS
tftp [host]
DESCRIPTION
Tftp is the user interface to the Internet TFTP (Trivial File Transfer Protocol), which
allows users to transfer files to and from a remote machine. The remote host may be speci-
fied on the command line, in which case tftp uses host as the default host for future trans-
fers (see the connect command below).
COMMANDS
Once tftp is running, it issues the prompt and recognizes the following commands:
? command-name ...
Print help information.
ascii Shorthand for "mode ascii"
binary Shorthand for "mode binary"
connect host-name [port]
Set the host (and optionally port) for transfers. Note that the TFTP protocol,
unlike the FTP protocol, does not maintain connections betwen 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.
get filename
get remotename localname
get file1 file2 ... fileN
Get a file or set of files from the specified 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 hosts:filename to specify both a host and filename at the same
time. If the latter form is used, the last hostname specified becomes the default
for future transfers.
mode transfer-mode
Set the mode for transfers; transfer-mode may be one of ascii or binary. The
default is ascii.
put file
put localfile remotefile
put file1 file2 ... fileN remote-directory
Put a file or set of files to the specified remote file or directory. The destina-
tion 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 hosts:filename to specify both a
host and filename at the same time. If the latter form is used, the hostname spec-
ified becomes the default for future transfers. If the remote-directory form is
used, the remote host is assumed to be a UNIX machine.
quit Exit tftp. An end of file also exits.
rexmt retransmission-timeout
Set the per-packet retransmission timeout, in seconds.
status Show current status.
timeout total-transmission-timeout
Set the total transmission timeout, in seconds.
trace Toggle packet tracing.
verbose Toggle verbose mode.
BUGS
Because there is no user-login or validation within the TFTP protocol, the remote site will
probably have some sort of file-access restrictions in place. The exact methods are spe-
cific to each site and therefore difficult to document here.
HISTORY
The tftp command appeared in 4.3BSD.
Linux NetKit (0.17) August 15, 1999 Linux NetKit (0.17)
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