Basic Usage 

http://www.mediawiki.org/wiki/Help:FAQ#Basic_Usage

  1. How do I create a new page

    There are several paths to creating a new page:

    • Create a link to the page on another page, then click on the red link which appears

    • Browse to the intended location of the page, e.g. http://www.foowiki.org/index.php?title=New_page and click on the edit link.

ref http://www.mediawiki.org/wiki/Help:Starting_a_new_page

  1. How to create a new template

    http://meta.wikimedia.org/wiki/Help:A_quick_guide_to_templates#Creating.2C_editing_and_using_templates

You start a new template in the same way you would start a normal page. The only difference is that its title must start with Template:.

Template:foo to edit it. To get there, type in the URL to your address bar, search for it, or make a link in the sandbox and click on it.

  1. How to rename a page

    Help:Moving a page http://meta.wikimedia.org/wiki/Help:Renaming_%28moving%29_a_page

  2. Most frequent wiki markup

    http://meta.wikimedia.org/wiki/Help:Editing#Most_frequent_wiki_markup_explained

Here are the 6 most frequently used types of wiki markup. If you need more help see Wikitext examples. http://meta.wikimedia.org/wiki/Help:Wikitext_examples

  1. Practice editing

    Before start editing a MediaWiki page, you'd better experiment editing in the sandbox http://meta.wikimedia.org/wiki/Meta:Sandbox

  2. How to create a user

    Execute maintenance/createAndPromote.php from the shell.

$ php maintenance/createAndPromote.php —help Please provide a username and password for the new account.

$ php maintenance/createAndPromote.php auto_import p wikidb-kb_: Creating and promoting User:auto_import…done.

  1. How do I reset a password

    You can use the maintenance/changePassword.php maintenance script to reset a user's password. 

    php maintenance/changePassword.php --user=someuser --password=somepass