Blame doc/help/man-cupsd-helper.html
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<html>
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<head>
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<link rel="stylesheet" type="text/css" href="../cups-printable.css">
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<title>cupsd-helper(8)</title>
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</head>
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<body>
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cupsd-helper(8)
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cupsd-helper - cupsd helper programs
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cups-deviced
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request-id
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limit
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user-id
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options
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cups-driverd
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cat
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ppd-name
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cups-driverd
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list
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request_id
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limit
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options
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cups-exec
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sandbox-profile
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[
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-g
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group-id
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] [
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-n
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nice-value
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] [
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-u
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user-id
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]
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/path/to/program
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argv0
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...
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argvN
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The cupsd-helper programs perform long-running operations on behalf of the scheduler,
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cupsd(8).
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The cups-deviced helper program runs each CUPS
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backend(7)
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with no arguments in order to discover the available printers.
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The cups-driverd helper program lists all available printer drivers, a subset of "matching" printer drivers, or a copy of a specific driver PPD file.
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The cups-exec helper program runs backends, filters, and other programs. On macOS these programs are run in a secure sandbox.
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The cups-driverd program looks for PPD and driver information files in the following directories:
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/Library/Printers
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/opt/share/ppd
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/System/Library/Printers
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/usr/local/share/ppd
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/usr/share/cups/drv
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/usr/share/cups/model
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/usr/share/ppd
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PPD files can be compressed using the
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gzip(1)
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program or placed in compressed
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tar(1)
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archives to further reduce their size.
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Driver information files must conform to the format defined in
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ppdcfile(5).
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backend(7),
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cups(1),
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cupsd(8),
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cupsd.conf(5),
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filter(7),
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ppdcfile(5),
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CUPS Online Help (http://localhost:631/help)
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Copyright © 2007-2017 by Apple Inc.
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</body>
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</html>
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