This appendix is a brief guide to Mac OS X features that differ from those of Linux. See Chapter 1 for a history of UNIX, Linux, and OS X.
Open Directory replaced the monolithic NetInfo database in Mac OS X version 10.5. The ni* utilities, including nireport and nidump, were replaced by dscl (page 674). The work the lookupd daemon did is now done by the DirectoryService daemon.
For information on the local system, both Mac OS X and Mac OS X Server now use a hierarchy of small