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You can rename the windows executable, such as gswin32c.exe, to gs.exe and copy it to the c:\windows directory so that you can execute the "gs" command from the command shell interpreter giving it more of a *nix feel.Convert a Color PDF to greyscale: gswin32c.exe -dSAFER -dBATCH -dNOPAUSE -dNOCACHE -sDEVICE=pdfwrite -sColorConversionStrategy=Gray -dProcessColorModel=/DeviceGray -sOutputFile=output.pdf input.pdfConvert a PDF to JPG gswin32c.exe -q -dBATCH -dNOPAUSE -dFirstPage=1 -dLastPage=1 -sDEVICE=jpeg -r<OUTPUT RESOLUTION> -sOutputFile=<OUTPUT>.jpg <INPUT>.pdfConvert a PDF to PNG gswin32c.exe -q -dBATCH -dNOPAUSE -dFirstPage=1 -dLastPage=1 -sDEVICE=pdfwrite -r<OUTPUT RESOLUTION> -dPDFSETTINGS=/prepress -sOutputFile=<OUTPUT>.png <INPUT>.pdf