Linux PPP HOWTO Prev Chapter 4. Aims of this Document Next 4.5. Using PPP over a direct null modem connection This document provides a brief overview of using PPP to link two Linux PCs via a null modem cable. It is possible to link other OS's to Linux this way as well. To do so, you will need to consult the documentation for the operating system you are interested in. Prev Home Next Setting up a PPP server Up This document at present does NOT cover...