Apple Computer Tablet x User Manual download pdf (Page 22)

Chapter 1

Inside NetInfo

When a Mac OS X computer starts up and domain binding occurs, a NetInfo daemon called

nibindd

starts. The nibindd daemon starts another daemon—netinfod—for each domain on

the computer. Then nibindd listens for requests from netinfod processes asking for parents,

checking for the appropriate netinfod process and initiating binding as required. Both

nibindd and netinfod run in the background.

A third process related to NetInfo is called

lookupd

. It’s the process used to interact with

NetInfo when legacy UNIX software (such as the Terminal application) requests

administrative information now stored in NetInfo. The lookupd process makes it possible for

software that uses Posix or BSD calls to retrieve administrative information from NetInfo.

lookupd searches through the NetInfo hierarchy as required to locate the information

needed, then returns it to the process that requested it.

Every Mac OS X computer uses one instance of nibindd and lookupd, and one instance of

netinfod for each domain on the computer. The netinfod process is sometimes referred to as

NetInfo server.

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Apple Computer Tablet x User Manual Page 22