I don't understand how it works or what exactly PDF actually IS. All I know is that it is basically an image format. Why does OS X use it and how does it use it?<BR><BR>they say "Quartz enables on-the ...

Reading PDFs on the iPad can be way better than what you get from Apple's Books app. These are the best apps to use for reading at PDF files on your iPad, or even your iPhone. The often-disliked PDF ...

Many workplaces and educational institutions have completely switched from paper documents to digital ones. Consequently, Mac users are increasingly dealing with PDFs and other e-document file formats ...