Wikipedia:Tip of the day/October 24, 2007

Wikipedia has 20 sections, called namespaces

The encyclopedia proper is the main namespace and contains all of Wikipedia's encyclopedia articles. All of the other namespaces have prefixes, which must be included (followed by a colon) at the beginning of links to pages in those namespaces in order for those links to work. Otherwise, the links will point to the main namespace, which has no prefix. The namespace prefixes are: Talk:, User:, User talk:, Wikipedia:, Wikipedia talk:, Image:, Image talk:, MediaWiki:, MediaWiki talk:, Template:, Template talk:, Help:, Help talk:, Category:, Category talk:, Portal:, Portal talk:, Media:, and Special:. Counting those and the main namespace makes 20.

In any given namespace there can only be one page with a particular name.

Read more: Namespace See also: Namespace

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