It won't cure all of your Mac's ills, but a quick and easy first step toward bringing a sluggish Mac back to health is using OS X's Disk Utility to repair disk permissions.

Is your Mac running slow? If you’ve tried everything else to get performance back to what it was, it may be time to Repair your disk. So, how and why should you do it?

<p>There are a variety of maintenance routines that people can run in OS X, including the disk verification and permissions repair that come with the system, along with scripts such as cache ...

Apple’s Disk Utility application (located in your Mac’s Applications > Utilities folder) isn’t the greatest repair tool for your Mac’s hard drives, but it can head off small problems ...

How to Repair Mac OS X Version 10.5 Leopard. Mac OS X version 10.5 Leopard provides the most recent version of the Macintosh operating system that runs on many PowerPC-based Apple computers.