> "com1" is a Windows name, and doesn't get affected by > Cygwin's stty et al (AFAIK). Try using /dev/ttyS0 or even > /dev/com1 instead. Same result. Would you know how to configure /dev/ttyS0? > Also, why such weird syntax, why not simply The weird syntax is an attempt at redirecting stdout and stdin to the same place, i.e. the serial port. lsz --zmodem foobar.zip </dev/com1 >/dev/com1 gives access denied > $ lsz --zmodem foobar.zip </dev/com1 >> ? AFAICT, lsz uses stdout/stdin, so I would then be listening to the serial port and sending data to the console, e.g: oyvind@famine ~/xyz $ install/bin/lsz <com1 lrzsz-0.12.20.tar.gz S◄↑B00000000000000 Øyvind -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/