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/share/doc/smm/07.lpd/1.t

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 1.\" Copyright (c) 1983, 1993
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32.\"	@(#)1.t	8.1 (Berkeley) 6/8/93
33.\"
34.NH 1
35Overview
36.PP
37The line printer system supports:
38.IP \(bu 3
39multiple printers,
40.IP \(bu 3
41multiple spooling queues,
42.IP \(bu 3
43both local and remote
44printers, and
45.IP \(bu 3
46printers attached via serial lines that require
47line initialization such as the baud rate.
48.LP
49Raster output devices
50such as a Varian or Versatec, and laser printers such as an Imagen,
51are also supported by the line printer system.
52.PP
53The line printer system consists mainly of the
54following files and commands:
55.DS
56.TS
57l l.
58/etc/printcap	printer configuration and capability data base
59/usr/lib/lpd	line printer daemon, does all the real work
60/usr/ucb/lpr	program to enter a job in a printer queue
61/usr/ucb/lpq	spooling queue examination program
62/usr/ucb/lprm	program to delete jobs from a queue
63/etc/lpc	program to administer printers and spooling queues
64/dev/printer	socket on which lpd listens
65.TE
66.DE
67The file /etc/printcap is a master data base describing line
68printers directly attached to a machine and, also, printers
69accessible across a network. The manual page entry
70.IR printcap (5)
71provides the authoritative definition of
72the format of this data base, as well as
73specifying default values for important items
74such as the directory in which spooling is performed.
75This document introduces some of the
76information that may be placed
77.IR printcap .