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2024-04-18T00:11:55Z

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[[File:Chicken_Eyeglasses_categories.png|Chicken Eyeglasses categories|thumb]] '''Help:Category''' is a fundamental feature within the [[MediaWiki]] software, which powers many wikis, including the renowned [[Wikipedia]]. Categories in MediaWiki are a system for organizing and indexing pages. They serve as a method to group content that shares a common characteristic, making it easier for users to navigate and find related information. This article aims to provide an in-depth understanding of how categories work in MediaWiki and how to effectively use them.

==Overview==
A category in MediaWiki is a special kind of page that is used to group other pages and files based on similarity or relevance. Each category can contain subcategories, allowing for a hierarchical organization of content. Categories help in structuring a wiki's content systematically, making it accessible and manageable.

==Creating a Category==
To create a category, one simply needs to create a new page in the Category namespace by prefixing the page title with "Category:". For example, to create a category named "Physics", one would create a page titled "Category:Physics".

The syntax to add a page to a category is straightforward. By adding <nowiki>[[Category:Name]]</nowiki> to a page's content, the page is automatically included in the "Name" category. Pages can be included in multiple categories.

==Managing Categories==
===Adding a Page to a Category===
To add a page or file to a category, edit the page and insert <nowiki>[[Category:Category name]]</nowiki> at the bottom of the page. This will automatically link the page to the category.

===Creating Subcategories===
Subcategories are created in the same way as categories. The difference lies in adding the subcategory page to a parent category. This is done by including the subcategory page in a higher-level category.

===Sorting Pages in Categories===
By default, pages in a category are sorted alphabetically by their page title. However, a custom sort key can be specified by adding a pipe "|" followed by the sort key. For example, <nowiki>[[Category:Name|Sort key]]</nowiki>.

==Best Practices==
* Use clear and descriptive names for categories.
* Avoid over-categorization. A page should not be in both a category and its subcategory.
* Keep the category structure simple and intuitive to facilitate easy navigation.

==Special Pages Related to Categories==
MediaWiki includes several special pages that help in managing and navigating categories:
* '''Special:Categories''' - Lists all categories on the wiki.
* '''Special:CategoryTree''' - Provides an interactive tree structure of the category hierarchy.
* '''Special:UnusedCategories''' - Shows categories that have no pages.
* '''Special:WantedCategories''' - Lists categories that are linked to but do not exist.

==Conclusion==
Categories are a powerful tool for organizing content on a wiki. By understanding how to create, manage, and effectively use categories, contributors can enhance the navigability and structure of the wiki's content.

[[Category:MediaWiki]]
[[Category:Wiki Editing]]
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Help:Category - Revision history

Prab: CSV import