Here’s how to combine multiple PDF file on Ubuntu.
First install ghostscript and pdftk from Ubuntu repository :
apt-get install gs pdftk
Then, using ghostscript, combile all the pdf files you desired into one file, using this command
[code]
s -dNOPAUSE -sDEVICE=pdfwrite -sOUTPUTFILE=combined_file.pdf -dBATCH file1.pdf file2.pdf file3.pdf
[/code]
The command will produced the combined pdf output on “combine_file.pdf”