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For the deletion policy in Wikipedia, see Wikipedia:Deletion policy

Deletion is the act of deleting or removal by striking out material, such as a word or passage, that has been removed from a body of written or printed matter.

Deletion may refer to:

  • File deletion, a way of removing a file from a computer's file system
  • Code cleanup, a way of removing unnecessary variables, data structures, cookies, and temporary files in a programming language.
  • Deletion (genetics), deletion of a gene or chromosome segment, symbolized in the literature by a Δ symbol
  • Deletion (music industry), a term for removing a record from a label's catalog
  • Deletion (phonology), a phonological process that allows for the elimination of a segment
  • Grammatical deletion, which is a synonim for ellipsis in linguistics

Delete may refer to:

  • Delete key, a key on modern computer keyboards which erases text
  • Delete (SQL), delete for SQL
  • DEL, the delete control code in the C0 and C1 control codes
  • the delete operator, a built-in operator in the C++ programming language
  • "Delete!", the battle cry of the Cybermen, antagonists from the British sci-fi television series Doctor Who