Unable to view pdf files

[Blair, Charles E III]

   I have not been able to view pdf files, trying:
   
(1) midori only offers applications for djvu, jpg,
and dvi files.

(2) ghostscript was listed as already installed, but
gv file.pdf yields "command not found," and "man gv"
and "man ghostcript" also don't work.  Neither did
re-installing.

(3) When I am running emacs and open file.pdf, I get
a display of code.  If I try C-c C-c to switch on
DocView, I am told this is undefined.

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