==== DjVu Files ====

  * They are viewable with evince or Atril Document Viewer

To manipulate .djvu files:

  * yum install djvulibre

Delete a page:

  * djvm -d file.djvu n (where 'n' is a sample page number)

Convert from .djvu to .pdf:

  * ddjvu -format=pdf -quality=85 -verbose file.djvu file.pdf