Originally Posted by fedora18
trying some different paths here this morning and I notice that in /dev with a USB dongle plugged in I get a 4:0:0:0 number in there. it increments by 1 every time I plug it bag in.....anyone know what that number represents are how I can use it?
If you don't get a serial device in /sys/class/tty you aren't going to find a secret hidden serial device anywhere else.
I suspect the number is a meaningless instance number provided by the OS since it increments every time.