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D-12 Glossary and Index
Peer-to-Peer 1. A LAN in which nodes communicate with each other
without the need for a file server. 2. A new protocol for peer-to-peer
communications that is included with Windows 95 (also known as Direct
Mode IPX). Chapter 8.
Physical Layer Layer 1 of the OSI Reference Model; defines the physical
and electrical connection to the network.
PJL Page Job Language, a Hewlett-Packard printer control language that
is independent of the page description language.
Ping A TCP/IP command that determines whether a device is alive on the
network. pp. 4-15 through 4-16, 4-22, 7-3, 7-6, 7-9.
POP3 Post Office Protocol, the protocol used to retrieve E-mail from the
server. pp. 13-2, 13-8, 13-9, 13-11, 13-12, 13-14, A-12.
Port 1. A physical connector, such as the parallel port. 2. A logical
connection to a device.
Portrait mode Printing a document with the short edge of the paper at
the top (the normal method of printing).
PostScript A page description language originally developed by Adobe
that is widely used in graphics arts applications. pp. 6-2, 6-3, 14-16, 14-
20, B-3, B-5. B-6.
PPD See Printer Description File.
PPL An ANSI-standard page description language originally used in the
DEC LN03 laser printer.
Printcap File The file on a UNIX host computer (usually in the /etc
directory) that contains a list of printers. p. 4-4.
PRINTCON A NetWare utility program for defining the characteristics of
the print job.
PRINTDEF A NetWare utility program for defining the characteristics of
a printer or form. These characteristics are associated with the print job
via the PRINTCON utility.