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Chapter 6. Discovering Domains and Suppo... > Recovering Preferences Settings by D...

6.4. Recovering Preferences Settings by Domain

In the world of Mac OS X development, CoreFoundation refers to the framework provided by Apple to its developers. The CoreFoundation framework provides a set of data types and routines that simplify application development. By conforming to the CoreFoundation, programmers can build applications that take advantage of already-established utilities, such as those that read and write preference files. When searching for preferences, the CoreFoundation (and, hence, the applications, system services, and utilities that use it) demands three pieces of information: the application identifier (the application being used), a host name (the computer being used), and the user ID (the user's account name). These items help determine where to look for the preference: user domain, local domain, or network domain. In addition, each preference has three official qualifiers:

  • Whether the preference applies only to the current user or to all users

  • Whether the preference applies only to the current host or to all hosts

  • Whether the preference applies only to the current application or to all applications


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