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