Your browser can open one, but you'll need an editor or converter to do more This article explains what PDFs are, how to open one, all the different ways you can ...

PDF files or Portable Document Format files are one of the most commonly used file formats in the digital world. A PDF file is a document format that presents text, images, and other graphic elements ...

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 ...