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1996-04-08
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69 lines
General Usage:
To send files: xy <file1> <file2> <etc.>
z <file1> <file2> <etc.>
k <file1> <file2> <etc.>
To receive files: xy
z
k
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General Options:
By default, the programs automatically guess the type of each file.
To force all files to be treated as a certain type:
-A treat all files as ASCII -B treat all files as binary
The XY, Z, and K programs use the MODEM environment variable to
determine the port to use. If MODEM is not set, stdio paths will
be used. The MODEM environment variable can be overridden with the
-p option (e.g., -p/t2).
Host Mode: -h forces the use of stdio paths and suppresses all
progress and debug messages. Equivalent to `unsetenv MODEM'.
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Program-specific options:
XY: by default, XY attempts to use the YModem protocol. In most
cases, XY will automatically adapt if the other side is
using a different protocol. If it cannot automatically
determine the protocol to use, you can coerce it with
one of the following options:
-X XModem -K XModem-K -G YModem-G
-C XModem-CRC -Y YModem
Z: ZModem allows one end to specify a command to be executed
by the other end. To send a command, use:
-c "<command>"
E.g., ``z -c "sz file" '' will request the other end
to send a file back to you. Z responds to commands from
the other end of the form `sz <filenames>'
K: By default, K uses the basic half-duplex Kermit protocol.
One or more -f options will cause K to attempt to negotiate
sliding windows and larger packet sizes. In most cases,
this will result in faster throughput. More -f's will
result in a larger window and larger packets, according
to the following table:
Option Window Size Packet Size
<default> 1 packet 90 bytes
-f 1 packet 1024 bytes
-ff 10 packets 90 bytes
-fff 8 packets 512 bytes
-ffff 16 packets 1024 bytes
-fffff 31 packets 2048 bytes
-ffffff 31 packets 4096 bytes
-fffffff 32 packets 9024 bytes
K automatically selects stronger block checks for
larger packet sizes. If the other end does not support
the requested value, or if K cannot allocate sufficient
memory for packet buffers, K will use a smaller window
and/or packet size.
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