At first, you should check and get all the tools for porting PDF. In this tutorial, exporting will be done using OpenOffice.org 2 Writer on Ubuntu Linux. This tutorial can work on different platforms with different products and I don't give any kind of warranty at least to this platform I'm used when I have made this tutorial.
Getting OpenOffice.org
If you're running Ubuntu (desktop installation), you don't need to do anything to get OpenOffice.org. It's already behind Applications > Office menu.
If you're not running, you can find OpenOffice.org for your platform at OpenOffice.org. Different Linux distributions often provide OpenOffice.org either by default or it can be easily downloaded from their repository.
Starting OpenOffice.org
We will use OpenOffice.org 2 Writer but other OpenOffice.org 2 products work about the same way.
If you just downloaded and installed OpenOffice.org, you might get a dialog asking your personal details allowing you to insert them or just skip. It's up to you if you want to register yourself as OpenOffice.org user.
Open OpenOffice.org 2 Writer by selecting Applications > Office > OpenOffice.org Writer
OpenOffice.org 2 Writer will start. It may take a while.
You can now open a document or write your own. It doesn't matter what you write. You can include rich text (bold, italic, underline, different fonts and colours), pictures... etc. After you are done your document, follow this tutorial to export is as PDF.
Exporting document as PDF
This is the easiest step. If you want it to be easy, it will be easy. If you want experimental settings, you get them too.
The easy way:
Click the icon next to printer (left side). There's some red and white color (colors from Adobe's logo) and text "PDF".
Then you get a dialog:
Select the place you want your document will be exported. Then click Save
The experimental way:
Go to File > Export as PDF
You get a dialog with few settings you can change. I think you figure your way out there.
