Chapter 11. Introduction to System Administration

System administration is the job of keeping a system up and running, and providing a suitable environment for whatever work the system is doing—whether it’s serving Web pages, being used for software development, or acting as a workgroup file server.

As we’ve mentioned, Max OS X comes in two versions, the version that we cover in this book (Mac OS X Tiger) and another version called Mac OS X Server Tiger. The two versions are almost identical but do have some differences. For example, Access Control Lists (ACLs) are turned on by default in Mac OS X Server. Mac OS X Server also comes with an iChat server, a Weblog server, and Xgrid (which enables turning a group of Macs into a supercomputer). If ...

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