Command option Sample:ftp -A

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ftp -A オプション

ftp -A Logs in to the FTP server as an anonymous user
    Troubleshooting faulty network connectivity, part 2: Essential network commands | Doug Vitale Tech Blog : http://dougvitale.wordpress.com/2011/12/11/troubleshooting-faulty-network-connectivity-part-2-essential-network-commands/
ftp -A ofacftp.treas.gov
    Help - Background information : http://ec.europa.eu/external_relations/cfsp/sanctions/list/version4/global/help_online/http_access2.html
ftp -a -type d \) -exec /bin/chown 0
    Securing FTP Servers : TechWeb : Boston University : http://www.bu.edu/tech/about/security-resources/bestpractice/ftp/

ftp のオプション一覧