Actions operate either on a single page or on the whole Wiki.

• AttachFile: Attach files to a page (HelpOnActions/AttachFile)
  
• DeletePage: Delete a page (after a security question)
  
• LikePages: Lists pages with similar title
  
• LocalSiteMap: List of all pages that are referred to, up to a maximum of 4 levels
  
• SpellCheck: Call check spelling for the current page (HelpOnSpellCheck)
  

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For details see HelpOnActions.