gs

GhostScript is a PDF and PostScript interpreter.

• To view a file:

gs -dQUIET -dBATCH {file.pdf}

• Reduce PDF file size to 150 dpi images for reading on a e-book device:

gs -dNOPAUSE -dQUIET -dBATCH -sDEVICE=pdfwrite -dPDFSETTINGS=/ebook -sOutputFile={output.pdf} {input.pdf}

• Convert PDF file (pages 1 through 3) to an image with 150 dpi resolution:

gs -dQUIET -dBATCH -dNOPAUSE -sDEVICE=jpeg -r150 -dFirstPage={1} -dLastPage={3} -sOutputFile={output_%d.jpg} {input.pdf}

• Extract pages from a PDF file:

gs -dQUIET -dBATCH -dNOPAUSE -sDEVICE=pdfwrite -sOutputFile={output.pdf} {input.pdf}

• Merge PDF files:

gs -dQUIET -dBATCH -dNOPAUSE -sDEVICE=pdfwrite -sOutputFile={output.pdf} {input1.pdf} {input2.pdf}

• Convert from PostScript file to PDF file:

gs -dQUIET -dBATCH -dNOPAUSE -sDEVICE=pdfwrite -sOutputFile={output.pdf} {input.ps}

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