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Are the settings or configuration specifics of a printer on a *nix system using CUPS stored in a file? My assumption is yes, as *nix systems seem to use files for everything as opposed to using a registry system as does Windows. If so, where are such files located? Are they capable of having their file permissions modified, and if so, what could cause such a thing to occur in a non-manual way?

This question relates to one of my other questions in helping to explore a single, individual theory toward an answer there, but is decidedly separate.

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Southpaw Hare
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    It depends. Different unix variation uses different systems for printing. (I think) the most prevalent for Linux is CUPS. – Lynn Crumbling Jul 19 '13 at 13:43
  • @LynnCrumbling My office does use CUPS. Thank you, I will update the question accordingly. – Southpaw Hare Jul 19 '13 at 13:47
  • Try `/etc/cups`. Also, did the perms change for the entire dir, or just for an individual file? What did the perms change to? – Lynn Crumbling Jul 19 '13 at 13:57
  • @LynnCrumbling I do not know what, if anything changed, or even what exists. Please consider this question, which is theoretical and abstract, separate from the other question, which is trying to solve a specific problem. Here, I am not concerned about what happened to my specific files, just about how the files work in general. – Southpaw Hare Jul 19 '13 at 14:00

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Check on /etc/cups, for printers the file is printers.conf.

They can have permissions modified since they usually belong to the lp group, not a single user. Check cron jobs, system updates and any other cups interface that your distribution provides.

RJLouro
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