Web design service - Mac OS X Differences The preceding are primary
Mac OS X Differences The preceding are primary user administration files on almost all Unix systems. Mac OS X is a notable exception to this. The /etc/passwd, /etc/shadow, and /etc/group files exist, but are used by the system only for single-user mode (discussed in Chapter 20). The primary repository for this information is the NetInfo database, which can be viewed and modified with the niutil command. Here s how to view a list of the current databases: niutil -list . / This command generates output similar to that shown in Figure 3-9. Figure 3-9 To view one of the databases, such as a listing of current users, you can type the following: niutil -read . /groups The output of this command is shown in Figure 3-10. For more information about NetInfo on Mac OS X, see Chapter 20. The Mac OS X graphical user interface (GUI) makes it easy to manage user accounts because it was built with ease of use in mind from the start. This is an advantage over some of the other Unix systems. 39 Understanding Users and Groups
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