DirectoryService [-h | -v] DirectoryService [-appledebug | -appleframework | -applenodaemon | -appleoptions | -appleperformance | -appleversion]
The server process for the Directory Service framework. It's started as a bootstrap daemon, from /etc/mach_init.d/DirectoryService.plist (processed by register_mach_bootstrap_servers).
The manpage for DirectoryService on Tiger is very good, but this entry details the additional -apple options.
Run the service in debug mode, disabling daemonization and logging to /Library/Logs/DirectoryService/DirectoryService.debug.log.
Print a usage statement for the second form of command invocation to standard output.
Run the service in the foreground and log extensively.
Print software build version to standard output.
Print a usage statement for the first form of command invocation to standard output.
Print software release version to standard output.