Before you do this, you should be in a GOME or KDE environment, then type the following commands to check whether you‘ve stalled the app:
$ type evince
then just view the PDF file by typing this:
$ evince filename.pdf
But you‘d better add a "&" at the end of the command line.
$ evince filename.pdf &
How to start a pdf reader from a Linux command line?
原文：http://www.cnblogs.com/LinTeX9527/p/3947748.html