gv: gv - ps/pdf file viewer
gv:  
gv: GNU gv allows to view and navigate through PostScript and PDF
gv: documents on an X display by providing a user interface for the
gv: ghostscript interpreter. gv is a improved derivation of Timothy O.
gv: Theisen's Ghostview developed by Johannes Plass.
gv: 
gv: 
gv: 
gv: 
gv: http://www.gnu.org/software/gv