PDF File Format
The PDF(TM), Portable Document Format, language is a popular language used to create complex documents. Click here for an introduction to the PDF language.
To display a PDF file, you need a PDF viewer, called acroread, which is available free from Adobe. To get a copy of acroread, please look here.
You can configure your web browser to automatically use your PDF viewer whenever it encounters a PDF file.
Ask your system administrator if you need more help.
PDF is a trademark of Adobe Systems.