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  1. How can I convert an ODT file to a PDF? - Ask Ubuntu

  2. How can I convert a .tex file to a PDF via the command line?

  3. Convert PDF to Word Using Libreoffice in terminal

  4. How to batch convert .doc or .docx to .pdf - Ask Ubuntu

  5. ebooks - Converting DJVU to PDF - Ask Ubuntu

  6. How can I remove the gray-scale page background of a PDF …

  7. gimp - Is there a better way to redact a PDF? - Ask Ubuntu

  8. How can I turn photos of paper documents into a scanned …

  9. How can I reduce the file size of a scanned PDF file?

  10. How can I compress my .PDF (two pages) to less than 100 kB?