PLIP stands for Parallel Line Internet Protocol. A common problem with
ancient computers is the fact that they were rarely fitted with an Ethernet
adapter, and it wasn't necessarily easy to add one (esp. if considering
portable computers). However, most of these machines had a parallel port,
primarily designed to hook a printer.
The PLIP protocol is a work-around networking solution that allows a machine
to use its parallel port as a networking device. This, of course, require
said parallel port to be connected to some kind of PLIP server, or another
computer running PLIP.
PLIP packet drivers:
BIN plip111 (original version by Russ Nelson, 1995).zip
BIN plip112 (updated version by Fred Macall, 2003).zip