> I have a printer set up as for single-side printing. I > do not want change the settings. could some one show > me hoiw to do a double-side print with lpr optiond lpr -o 'sides=two-sided-long-edge' lpr -o 'sides=two-sided-short-edge' Normally though you'd configure your printer to do duplex by default. For cases where you need single sided do: lpr -o 'sides=one-sided' --- Ian