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 THE REAL YMODEM PROTOCOL

 This protocol is a variation on Xmodem, which al-
 lows for multiple files to be sent per transfer. While trans-
 ferring files, it keeps the correct name, size, and date, and
 may use 128 or 1024 byte block sizes.  It is a batch protocol,
 so the filename is transmitted along with the rest of the data.