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Chapter 29. Maintaining a Healthy System > Built-in Diagnostic and Repair Tools

Built-in Diagnostic and Repair Tools

With a complex operating system like Tiger, things can sometimes go wrong, and the user is left with little recourse for solving the problem. Thankfully, operations such as repairing damaged operating system installations, resetting the root password, and fixing damaged disks can all be performed even if your machine is not properly booting into the operating system.

Verbose Boot

Mac OS 8 and 9, although they hid much of the system operation from the user, gave a clearer picture of what was going on during a system boot. When Tiger starts, dozens of support processes and drivers are loaded at the same time. If something fails, it is left to the imagination of the user to guess exactly what has gone wrong. In many cases, a user might not even be aware that there are problems with the system configuration because the boot process hides behind a simple GUI startup screen.


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