How to post:
Click on Edit this Page
Click Save (top right)
Try it.

To create a new page:
Click on New page
Edit this page
Click Save

To link:
Highlight your name or words you want to hyperlink
Click globe with chain link
Then use middle section of link window to link to your new page
Or use bottom of link window to link to a url.

For Further Instructions:
Free Teacher Wikispace Signup
David Warlick's - The Art And Technique Of Wikis
Vicki Davis' Wiki Presentation
Ways to Use Wiki in Education
Educational Wikis Tutorial
Learning Technologies Center Wiki on Wikis and Other Web2.0 Applications
List of Recommended Web 2.0 Tools for Students