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1 | .\" Copyright (c) 1983 Regents of the University of California. |
2 | .\" All rights reserved. The Berkeley software License Agreement | |
3 | .\" specifies the terms and conditions for redistribution. | |
4 | .\" | |
1c460ca9 | 5 | .\" @(#)1.t 6.2 (Berkeley) %G% |
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6 | .\" |
7 | .NH 1 | |
8 | Overview | |
9 | .PP | |
10 | The line printer system supports: | |
11 | .IP \(bu 3 | |
12 | multiple printers, | |
13 | .IP \(bu 3 | |
14 | multiple spooling queues, | |
15 | .IP \(bu 3 | |
16 | both local and remote | |
17 | printers, and | |
18 | .IP \(bu 3 | |
1c460ca9 | 19 | printers attached via serial lines that require |
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20 | line initialization such as the baud rate. |
21 | .LP | |
22 | Raster output devices | |
23 | such as a Varian or Versatec, and laser printers such as an Imagen, | |
24 | are also supported by the line printer system. | |
25 | .PP | |
26 | The line printer system consists mainly of the | |
27 | following files and commands: | |
28 | .DS | |
29 | .TS | |
30 | l l. | |
31 | /etc/printcap printer configuration and capability data base | |
32 | /usr/lib/lpd line printer daemon, does all the real work | |
33 | /usr/ucb/lpr program to enter a job in a printer queue | |
34 | /usr/ucb/lpq spooling queue examination program | |
35 | /usr/ucb/lprm program to delete jobs from a queue | |
36 | /etc/lpc program to administer printers and spooling queues | |
37 | /dev/printer socket on which lpd listens | |
38 | .TE | |
39 | .DE | |
40 | The file /etc/printcap is a master data base describing line | |
41 | printers directly attached to a machine and, also, printers | |
42 | accessible across a network. The manual page entry | |
43 | .IR printcap (5) | |
1c460ca9 | 44 | provides the authoritative definition of |
afff3582 | 45 | the format of this data base, as well as |
1c460ca9 | 46 | specifying default values for important items |
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47 | such as the directory in which spooling is performed. |
48 | This document highlights the important | |
1c460ca9 | 49 | information that may be placed |
afff3582 | 50 | .IR printcap . |