

Disk Warrior intervenes in such cases, successfully recreating the corrupted index. If there are inconsistencies between the index and actual content of the Mac, you have a problem, and it can be a serious one. However, since the contents of a computer is constantly changing, this index must be updated constantly. A computer is a kind of book, complete with a lot of content and an index that summarizes it. Things sounding complicated? Well, let’s use an example. Another important piece in the first aid kit is Disk Warrior, which, among the other things that it does, can repair the root directory of your computer. Some classics include OnyX (for checking the integrity of the disk and file system by eliminating temporary files that are no longer needed) and Cocktail, an app that has hundreds of functions that clean, repair and optimize your computer.

It doesn’t hurt to give it some TLC from time to time. This doesn’t mean your Mac is perfect and invulnerable, of course. The UNIX heart of OS X is well organized and maintains itself very well. The answer is simple: none! Forget programs like Defraggler, OS X doesn’t need them at all – or a registry cleaner.

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People who switch from PC to Mac often want to know what registry cleaner they can use. The more professional counterpart of iPhoto is Aperture, which provides you with highly advanced editing tools. You can also edit photos, create slide shows, photo albums and share them via email or the web. iPhoto is comprehensive, and includes Geotagging and a facial recognition feature which helps you organize your photo libraries. Mac users have the option of iPhoto, which, like Preview, comes free with OS X. Others use Picasa or ACDSee (which also exists for Mac). PC users usually manage photos through Windows Live Essentials. If you were tired of using the bloated, slow Adobe Reader on Windows, Preview will come as a breath of fresh air. Thanks to its editing options (including resizing of multiple photos) it’s also an indispensable tool for everyday use. Preview is very lightweight, easy to use and reads just about any image format, including PDF.
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Mac users typically use Preview to view PDF documents – it comes free with the OS X.
