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#### A.1.3 Unix Port Names

The parallel and serial port device file names are system specific. The following table lists the default names for a given system.

System | Default Parallel Port | Default Serial Port
FreeBSD | `/dev/ppi0` | `/dev/cuaa0`
Linux | `/dev/parport0` | `/dev/ttyS0`
Solaris | `/dev/printers/0` | `/dev/term/a`

On FreeBSD systems, AVRDUDE uses the ppi(4) interface for accessing the parallel port and the sio(4) driver for serial port access.

On Linux systems, AVRDUDE uses the ppdev interface for accessing the parallel port and the tty driver for serial port access.

On Solaris systems, AVRDUDE uses the ecpp(7D) driver for accessing the parallel port and the asy(7D) driver for serial port access.