pdf compressor in linux code example

Example 1: ubuntu console shrink pdf

gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/screen -dNOPAUSE -dQUIET -dBATCH -sOutputFile=output.pdf input.pdf

Example 2: linux compress a pdf

ps2pdf large.pdf small.pdf