Editing the Devices file for TCP/IP
Follow these steps when you edit the /etc/uucp/Devices file.
You must have root authority to edit the /etc/uucp/Devices file, or another file that is specified in the /etc/uucp/Sysfiles file as a Devices file.
If your site is using the TCP/IP to connect systems, include the relevant TCP/IP entry in the Devices file. To set up the file for use with the TCP/IP, enter the following line in the Devices file:
TCP - - - TCP