compress pdf in linux command line code example

Example 1: how to compress pdf in linux

gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/prepress -dNOPAUSE -dQUIET -dBATCH -sOutputFile=compressed_PDF_file.pdf input_PDF_file.pdf

Example 2: linux compress a pdf

ps2pdf large.pdf small.pdf