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7131e285 1.\"
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2.\" cupsd-helper man page for CUPS.
3.\"
87030afb 4.\" Copyright 2007-2019 by Apple Inc.
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5.\" Copyright 1997-2006 by Easy Software Products.
6.\"
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7.\" Licensed under Apache License v2.0. See the file "LICENSE" for more
8.\" information.
7131e285 9.\"
87030afb 10.TH cupsd-helper 8 "CUPS" "26 April 2019" "Apple Inc."
7131e285 11.SH NAME
87030afb 12cupsd\-helper \- cupsd helper programs (deprecated)
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13.SH SYNOPSIS
14.B cups\-deviced
15.I request-id
16.I limit
17.I user-id
18.I options
19.br
20.B cups\-driverd
21.B cat
22.I ppd-name
23.br
24.B cups\-driverd
25.B list
26.I request_id
27.I limit
28.I options
29.br
30.B cups\-exec
31.I sandbox-profile
32[
33.I \-g
34.I group-id
35] [
36.I \-n
37.I nice-value
38] [
39.I \-u
40.I user-id
41]
42.I /path/to/program
43.I argv0
44.I ...
45.I argvN
46.SH DESCRIPTION
47The \fBcupsd\-helper\fR programs perform long-running operations on behalf of the scheduler,
48.BR cupsd (8).
49The \fBcups-deviced\fR helper program runs each CUPS
50.BR backend (7)
51with no arguments in order to discover the available printers.
52.LP
53The \fBcups-driverd\fR helper program lists all available printer drivers, a subset of "matching" printer drivers, or a copy of a specific driver PPD file.
54.LP
8072030b 55The \fBcups-exec\fR helper program runs backends, filters, and other programs. On macOS these programs are run in a secure sandbox.
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56.SH FILES
57The \fBcups-driverd\fR program looks for PPD and driver information files in the following directories:
58.nf
59
60 \fI/Library/Printers\fR
61 \fI/opt/share/ppd\fR
62 \fI/System/Library/Printers\fR
63 \fI/usr/local/share/ppd\fR
64 \fI/usr/share/cups/drv\fR
65 \fI/usr/share/cups/model\fR
66 \fI/usr/share/ppd\fR
67.fi
68.LP
69PPD files can be compressed using the
70.BR gzip (1)
71program or placed in compressed
72.BR tar (1)
73archives to further reduce their size.
74.LP
75Driver information files must conform to the format defined in
76.BR ppdcfile (5).
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77.SH NOTES
78CUPS printer drivers, backends, and PPD files are deprecated and will no longer be supported in a future feature release of CUPS.
79Printers that do not support IPP can be supported using applications such as
80.BR ippeveprinter (1).
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81.SH SEE ALSO
82.BR backend (7),
83.BR cups (1),
84.BR cupsd (8),
85.BR cupsd.conf (5),
86.BR filter (7),
87.BR ppdcfile (5),
88CUPS Online Help (http://localhost:631/help)
89.SH COPYRIGHT
87030afb 90Copyright \[co] 2007-2019 by Apple Inc.