The best program to visualize and print PDF
files is Acrobat
Reader that you can download here.
Other programs are: GV, Gnome
GV,
Evince,
Okular,
Xpdf
.
In order to visualize or print Tex files one has to convert them in PS, PDF or HTML, this can be done using these programs: latex, pdflatex,latex2html.
The Pdb/Pda files are a kind of PDF files
for palms, they can be read and printed with this
software: KPalmDoc
NOTICE: Do not confuse PDB (Palm DataBase) files with the PDB(Protein Data Bank) files, if you are searching for a program to visualize the last ones try these: Mercury, o C++ PDB reader.
HTML files can be directly printed using FireFox, and in order to obatin a better
result it is possible to instal this extention:Print Hint. Moreover it possible
to convert them in PDF using these software: HTML to PDF