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UNIX/LINUX Command – tftp

Last updated Apr 27, 2021

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 specified on the command line, in which case tftp uses host as the default host for future transfers. (See the connect command in the following section.)

COMMANDS

Once tftp is running, it issues the prompt:
tftp>
and recognizes the following commands:

Commands Description
? 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 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.
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 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 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 hosts:filename to specify both a host and filename at the same time. If the latterform is used, the hostname specified 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 time-out, in seconds.
status Show current status.
timeout, total-transmission-timeout Set the total transmission time-out, in seconds.
trace Toggle packet tracing.
verbose Toggle verbose mode.

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