Installing and Administering PPP

Chapter 3 49
SLIP to PPP Migration
SLIP and PPP Configuration Files
during the swinstall process. If there is a need to move any entries
from the /etc/ppp/Dialers.ex file to the /etc/ppp/Dialers file, it
would be up to you, the system administrator, to do this. It is also
possible for you to create a /etc/ppp/Dialers.local file for
system-specific dialers.
For more information about PPP configuration files, refer to the
following: ppp.Dialers(4), ppp.Devices(4), and ppp.Systems(4).