The Portable Document Format (PDF)
was launched by the company Adobe.
Texts of this format can be loaded fast, easily printed, and side-exactly quoted; layout and formatting are
PDF is a universal file format which retains all fonts, formatting, colours and graphics of any source document,
regardless of the program and the operating system with which it was created.
PDF files are compact (i.e. smaller than the source files) and can be used by each together, be looked and be
printed out precisely.
Therefor a PDF reader is required, for example the free
Adobe Acrobat Reader.
In the following you get some advices for the creation of PDF files.
Further information and links about "PDF" you can find for example on the webpages of
PDF-Web and in the online encyklopaedia
an ISO standard for the use of the PDF format in the long-term preservation of electronic documents.
On the 28th of September, 2005 the International Organization for Standardization
(ISO) has agreed to a new standard for the regulation of the
preservation of electronic documents:
ISO-19005-1 - Document management - Electronic document file format for long-term preservation - Part 1: Use
of PDF 1.4 (PDF/A-1).
You can find more information about PDF/A at www.pdfa.org.