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TFTP(1) 				UNIX User's Manual				  TFTP(1)

NAME
       tftp - IPv4 Trivial File Transfer Protocol client

SYNOPSIS
       tftp [options...]  [host]

DESCRIPTION
       tftp  is a client for the IPv4 Trivial file Transfer Protocol, which can be used to trans-
       fer files to and from remote machines, including some very minimalistic, usually embedded,
       systems.   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 below.)

OPTIONS
       -v     Default to verbose mode.

       -V     Print the version number and configuration to standard  output,  then  exit  grace-
	      fully.

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

       ? command-name...

       help command-name...
	      Print help information

       ascii  Shorthand for mode ascii.

       binary Shorthand for mode binary.

       connect host [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 file
       get remotefile localfile
       get file1 file2 file3...
	      Get a file or set of files from the specified sources.  A remote filename can be in
	      one of two forms: a plain 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 file-
	      name at the same time.  If the latter form is used,  the	last  hostname	specified
	      becomes the default for future transfers.

       mode transfer-mode
	      Specify  the mode for transfers; transfer-mode may be one of ascii (or netascii) or
	      binary (or octet.)  The default is ascii.

       put file
       put localfile remotefile
       put file1 file2 file3... 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 host: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 system or another system using / as
	      directory separator.

       quit   Exit tftp.  End-of-file will also exit.

       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 (a debugging feature.)

       verbose
	      Toggle verbose mode.

NOTES
       The TFTP protocol provides no provisions for authentication or security.   Therefore,  the
       remote  server  will  probably  implement some kinds of access restriction or firewalling.
       These access restrictions are likely to be site- and server-specific.

AUTHOR
       This version of tftp is maintained by H. Peter  Anvin  <hpa@zytor.com>.	 It  was  derived
       from,  but  has substantially diverged from, an OpenBSD source base, with added patches by
       Markus Gutschke and Gero Kulhman.

SEE ALSO
       tftpd(8).

tftp-hpa 0.32				 13 November 2001				  TFTP(1)
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