Binary package “atftp” in ubuntu cosmic

advanced TFTP client

 Interactive client for the Trivial File Transfer Protocol (TFTP). Its
 usage is mainly for testing and debugging the Atftp server. TFTP client
 is usually implemented in BIOS and bootstraps programs like pxelinux when
 booting from LAN. Atftp also supports non-interactive invocation for
 easy use in scripts.