The non-interactive network downloader

Recursive Retrieval Options
    -r
    --recursive
        Turn on recursive retrieving.    The default maximum depth is 5.

--user=user
--password=password
    Specify the username user and password password for both FTP and HTTP file retrieval.  These
    parameters can be overridden using the --ftp-user and --ftp-password options for FTP connections and
    the --http-user and --http-password options for HTTP connections.

wget [option]... [URL]...