Source of launchd job: org.postgresql.postgres

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http://serverfault.com – Edit: see comment for answer. I have an interesting question. On my OS X 10.8 server postgres is running fine. Launchd has is loaded under the label 'org.postgresql.postgres' and '# launchctl list org.postgresql.postgres' gives the output I expected. The problem is: I cant find the configuration file. In /S/L/LaunchDeamons and in /L/LaunchDeamons I only have an 'org.postgresql.postgres_alt.plist', which has completely different config-params then the loaded job. I also did an '# mdfind org.postgresql.postgres', but that didn't give me any clue either. So... Where did this job come from? C (HowTos)