The cupsd-helper programs perform long-running operations on behalf
of the scheduler, cupsd(8). The cups-deviced helper program runs
each CUPS backend(7) with no arguments in order to discover the
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.
The cups-exec helper program runs backends, filters, and other
programs. On macOS these programs are run in a secure sandbox.
The cups-driverd program looks for PPD and driver information files
in the following directories:
PPD files can be compressed using the gzip(1) program or placed in
compressed tar(1) archives to further reduce their size.
Driver information files must conform to the format defined in
This page is part of the CUPS (a standards-based, open source
printing system) project. Information about the project can be found
at ⟨http://www.cups.org/⟩. If you have a bug report for this manual
page, see ⟨http://www.cups.org/⟩. This page was obtained from the
project's upstream Git repository ⟨https://github.com/apple/cups⟩ on
2017-03-13. If you discover any rendering problems in this HTML ver‐
sion of the page, or you believe there is a better or more up-to-date
source for the page, or you have corrections or improvements to the
information in this COLOPHON (which is not part of the original man‐
ual page), send a mail to firstname.lastname@example.org
15 April 2014 CUPS cupsd-helper(8)