Serial Communications from OS X

I can use screen instead of Zterm or minicom!

ls /dev/tty.*

gives me:

/dev/tty.Bluetooth-Modem /dev/tty.KeySerial1
/dev/tty.Bluetooth-PDA-Sync

I then run:

screen /dev/tty.KeySerial1 9600

And I get a serial console to whatever the serial port (in my case a Keyspan serial adapter) is connected to.

I use this to quit screen:

control-A, then control-
This is very very useful...