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The large size of a PDF file won’t permit to send it by email because of the probable limitation on the maximum size of attachments. In Linux you can compress a PDF file from the command line without losing its quality, with the help of ps2pdf tool, that is a part of ghostscript suite .  From this article you will learn how to compress a PDF file and significantly reduce its size from the Linux command line.  First of all it is required to install the ghostscript suite that provides the ps2pdf utility . To get this open the linux terminal and execute the following command. sudo apt-get install ghostscript Compress PDF File In Linux Run the following command to compress and reduce the size of the BIG.pdf file and save the result to the SMALL.pdf file: ps2pdf BIG.pdf Small.pdf Results are pretty amazing:

Concatenation / joining of multiple PDF files in linux Multiple files are easy to concatenate / join in linux terminal. ===================================== Easy command to join pdf files: pdfjam file1.pdf file2.pdf file3.pdf --outfile combinedfile.pdf ===================================== pdfjam is a shell-script front end to the LaTeX 'pdfpages' package (for which, see http://www.ctan.org/tex-archive/macros/latex/contrib/pdfpages). Usage: pdfjam [OPTIONS] [--] [FILE1 [SEL1]] [FILE2 [SEL2]] ... where * 'FILE1' etc. are PDF files (JPG and PNG files are also allowed).  For    input from /dev/stdin, use the special name '/dev/stdin' in place of any    of FILE1, FILE2, etc: this can be mixed with 'real' files as needed, to    allow input through a pipe (note that if /dev/stdin is connected to tty,    an error results).  If 'FILE1' is absent, pdfjam will use '/dev/stdin'    (and will use '-' for the page sel...

How to install a program on Ubuntu? For example: master pdf editor or any other program =>open terminal type the following command wget http://get.code-industry.net/public/master-pdf-editor-4.0.10_i386.deb Then use dpkg tool to install it. sudo dpkg -i master-pdf-editor-*.deb sudo dpkg -i master-pdf-editor-*.deb If there’s any dependency error, then simply run the command below to fix it. sudo apt -f install How to un-install a program on Ubuntu? For example: master pdf editor 4 or any other program you wish to un-install => open terminal type the following command sudo apt-get remove master-pdf-editor   [enter] it will ask for password: [enter password] Un-install starts ---------------------------------------------- OR---------------------------- =>open terminal type the following command sudo apt-get purge master-pdf-editor   [enter] it will ask for password: [enter password] Un-install starts =======...

Foxit Reader - View, create, convert, annotate, print, collaborate, share, fill forms and sign. xpdf - Install xpdf "Xpdf is a small and efficient program which uses standard X fonts". Lightweight, but with outdated interface. evince - Install evince Evince is a document viewer for multiple document formats. Used by default on Gnome. kpdf - Install kpdf KPDF is a pdf viewer based on xpdf for KDE 3. gv - Install gv - an old lightweight pdf viewer with an old interface. Size of the package is only 580k. gv is an X front-end for the Ghostscript PostScript(TM) interpreter. okular - Install okular - KDE pdf viewer, requires many KDE prerequisites. Can easily copy text and images. acroread - Adobe Acrobat Reader, no longer supported for Linux by Adobe, seems to be no longer supported by Ubuntu. qpdfview Installation open terminal and type the following commands sudo add-apt-repository ppa:b-eltzner/qpdfview sudo apt-get update sudo apt-get install qp...