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I need to transfer large files from Windows to an embedded Linux system over Serial port. People seems to be recommending ZModem to do this task. Using TeraTerm's file transfer feature, I was able to carry out this task successfully.

My question is, how can I use this outside of TeraTerm, and in a commandline environment on Windows? I've downloaded precompiled binaries (rz.exe and sz.exe), but fell short when it does not let you specify the COM port to perform the file transfer to. I'm looking to do something like this

./sz.exe filename.zip > COM10

From the manual page, it doesn't look like it provide any option to specify the serial port. Am I missing something? Any insights are greatly appreciated.

Jonathan

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