.\" Copyright (c) 1983, 1993.\"	The Regents of the University of California.  All rights reserved..\".\" Redistribution and use in source and binary forms, with or without.\" modification, are permitted provided that the following conditions.\" are met:.\" 1. Redistributions of source code must retain the above copyright.\"    notice, this list of conditions and the following disclaimer..\" 2. Redistributions in binary form must reproduce the above copyright.\"    notice, this list of conditions and the following disclaimer in the.\"    documentation and/or other materials provided with the distribution..\" 3. All advertising materials mentioning features or use of this software.\"    must display the following acknowledgement:.\"	This product includes software developed by the University of.\"	California, Berkeley and its contributors..\" 4. Neither the name of the University nor the names of its contributors.\"    may be used to endorse or promote products derived from this software.\"    without specific prior written permission..\".\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION).\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF.\" SUCH DAMAGE..\".\"	@(#)1.t	8.1 (Berkeley) 6/8/93.\".NH 1Overview.PPThe line printer system supports:.IP \(bu 3multiple printers,.IP \(bu 3multiple spooling queues,.IP \(bu 3both local and remoteprinters, and.IP \(bu 3printers attached via serial lines that requireline initialization such as the baud rate..LPRaster output devicessuch as a Varian or Versatec, and laser printers such as an Imagen,are also supported by the line printer system..PPThe line printer system consists mainly of thefollowing files and commands:.DS.TSl l./etc/printcap	printer configuration and capability data base/usr/lib/lpd	line printer daemon, does all the real work/usr/ucb/lpr	program to enter a job in a printer queue/usr/ucb/lpq	spooling queue examination program/usr/ucb/lprm	program to delete jobs from a queue/etc/lpc	program to administer printers and spooling queues/dev/printer	socket on which lpd listens.TE.DEThe file /etc/printcap is a master data base describing lineprinters directly attached to a machine and, also, printersaccessible across a network. The manual page entry.IR printcap (5)provides the authoritative definition ofthe format of this data base, as well asspecifying default values for important itemssuch as the directory in which spooling is performed.This document introduces some of theinformation that may be placed.IR printcap .