Write the next sentence in this paragraph:

How to avoid being banned from a windows or linux forum
Read the rules and terms of service first.
By doing this, you will know what is allowed and what is not, keeping you out of trouble with the moderators.
Stay on the topic.
While this can be difficult, off-topic posting can get you a warning from moderators. Make sure that you understand what a thread is about before posting in it, and think before you post.