“Remember the paperless office? By now we were supposed to be
handling all of our documents digitally, and saving trees by using
computers to handle everything electronically. If you’d like to
make backup copies of ephemeral content without printing it out,
turn your Linux box into a PDF generation device for your entire
network.“What sort of things might you want to save as PDFs? When you
buy stuff online, virtually every site provides a receipt, which
you may want later if the order email is lost or if you need to
send in a receipt for expense reports…”