In Ubuntu--and most gnome-based linux distributions, for that matter--the default PDF viewer is Evince Document Viewer. However, a much better alternative PDF viewer exists: xpdf
In my experience, xpdf uses only about 5% as much RAM as evince!
Michael Altfield
Hi, I’m Michael Altfield. I write articles about opsec, privacy, and devops ➡
About Michael
. . . → Read More: xpdf Supremacy