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HELP.G04
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Text File
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1992-06-01
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2KB
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41 lines
(D)ownload File
Entering 'D' from the menu will allow the caller to download
(receive) a file. Xmodem (checksum & CRC), Ymodem (CRC), and
ASCII protocols are supported. The caller may NOT enter a
directory or drive specifier here, but instead must have
specified the appropriate path beforehand. The system will
prompt for the filename, look for the file, and if it finds
it then prompt for the protocol. The caller will see:
1 - ASCII. This is for the ASCII protocol. This should ONLY
be used for text files, not for compiled programs,
source code, or compressed or archived files (.ARC,
.ZIP, .LZH, etc.) where error correction is necessary.
2 - XMODEM CHECKSUM. The plainest error-correcting
protocol, useful for downloading to old computers or
those running antiquated communications software.
Blocks are 128 bytes long.
3 - XMODEM CRC. Xmodem with slightly superior (CRC) error
checking. Most programs written in the last few years
can download using this.
4 - XMODEM-1k CRC. This protocol is used more frequently at
baud rates of 2400 or higher, or over fairly clean
telephone lines. As blocks are 1024 bytes long, less
time is spent error checking. Ymodem allows faster file
transfer when used under packet switched networks such
as PC Pursuit.
External File Transfer Protocols:
The SysOp may, at his/her option, enable a number of
external file transfer protocols.
If someone calls in at 7 data bits, even parity, MEGAHOST
switches to 8 data bits, no parity before file transfer, and
after the transfer returns to 7 data bits, even parity.