"Often there is a need for a simple command-line FTP client when a GUI is not available. In this article, we will get acquainted with the very basic operations of lftp, a simple yet powerful and reliable CLI-based FTP client, so you can easily transfer a file from the command-line the next time you need to.
"lftp is a free CLI-based FTP client made by Alexander Lukyanov. In fact, it can handle several other protocols including secure connections. Yet it has few dependencies and a minimal footprint..."