In a soft written in C, I want to send and receive data on the COM1 or COM3. After file = fopen( "COM1", "rb" ) ... I can write on the serial com (fwrite/fread). But, how can I configure a serial com with cygnus without doing: C:> MODE com1:9600,n,8,1,none ( with DOS ) -- Fozzy -- Want to unsubscribe from this list? Check out: http://cygwin.com/ml/#unsubscribe-simple