This is an old revision of the document!
Convert multiple pdf to one
pdftk *.pdf cat output outputfile.pdf
Extract pages
pdftk myfile.pdf cat 1-10 output myfile-1-10.pdf
This is an old revision of the document!
pdftk *.pdf cat output outputfile.pdf
pdftk myfile.pdf cat 1-10 output myfile-1-10.pdf