/sys$common/syshlp/helplib.hlb TCPIP Services, FTP, Copying Files, File Structure  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    DIGITAL TCP/IP Services for OpenVMS supports transfers of ASCII
    (stream, records with variable length) and IMAGE (binary, records
    fixed at 512 bytes) files. A file is a continuous sequence of
    data bytes.