How to Change Settings to Open a PDF File. A Portable Document File is a type of file that uses an open standard across different computer platforms and programs.

Press "Alt-F2" to open a command line prompt within Unity. Type the command for Evince with your PDF file's name, file extension and its full path relative to the Home directory.

Do you have multiple PDFs you need to merge into one? Making one PDF out of many is easier than you might think on both Windows PCs and Macs. Here's how to do it on each platform.

Learn how to disable or enable Two-page View mode for PDF files in Google Chrome PDF viewer, by following the instructons laid down in this post.

Need to see a single Preview document in two windows at the same time--maybe to compare different pages? Here's a simple way to do it.