Wikipedia:Number sign

On Wikipedia, a number sign, hash sign, pound sign or hashtag (#) may refer to one of the following uses:


 * Number signs used in wiki markup
 * Number signs used to create ordered lists
 * Number signs used to link to a section of a page
 * Due to technical restrictions, number signs are not allowed in page titles.
 * Number signs' use in article writing (Manual of Style)
 * Number signs used as tags in edit summaries can be searched using hashtags