Okay buddy, I put each link into the system in succession=20 [ln -s /dev/ttyS4 /dev/modem [ln -s /dev/ttyS2 /dev/modem [ln -s /dev/ttyS0 /dev/modem] and none of them had any effect=2E I am now at another computer and took notice of "tell ppp where your modem i= s located=2E Set it up so that it is always /dev/modem=2E"=20 Please, how do I do this? :-)Mike(-: I think I understand links now=2E=20 Do they connect hardware to programs?=20 or They must associate two parts of the system together