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Diagnostics

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

Verbose Boot

Mac OS 8 and 9, although hiding much of the system operation from the user, gave a clearer picture of what was going on during a system boot. When Mac OS X 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, users might not even be aware that there are problems with their system configuration because the boot process hides behind a very simple GUI startup screen.


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