atftp --version (return code: 0)
atftp-0.7 (client)
atftp --help (return code: 0)
Usage: tftp [options] [host] [port]
[options] may be:
-g, --get : get file
--mget : get file using mtftp
-p, --put : put file
-l, --local-file <file> : local file name
-r, --remote-file <file> : remote file name
-P, --password <password>: specify password (Linksys extension)
--tftp-timeout <value> : delay before retransmission, client side
--option <"name value"> : set option name to value
--mtftp <"name value"> : set mtftp variable to value
--no-source-port-checking: violate RFC, see man page
--verbose : set verbose mode on
--trace : set trace mode on
-V, --version : print version information
-h, --help : print this help
[host] is the tftp server name
[port] is the port to use