FTP in Debian
File Transfer Protocol (FTP) is a network protocol used to transfer data from one computer to another through a network such as the Internet. (more about FTP on Wikipedia)
Debian provides many FTP clients (iceweasel has a basic [download only] client, Gnome has nautilus, KDE has konqueror, there is a command line tool named ftp but mc, lftp and ncftp have Ncurses based interface).
Vowel mutation problems
If you have problems with vowel mutation (Umlaut) errors in filenames this script will help to correct them: