Editing Null

{{wiktionary|Null|null|a-null|núll|Nullus}}
'''Null''' may refer to:
{{TOC right}}

==Science, technology, and mathematics==
===Astronomy===
*[[Nuller]], an optical tool using interferometry to block certain sources of light
===Computing===
*[[Null (SQL)]] (or NULL), a special marker and keyword in SQL indicating that a data value does not exist, is not known, or is missing.
*[[Null character]], the zero-valued ASCII character, also designated by {{mono|NUL}}, often used as a terminator, separator or filler. This symbol has no visual representation.
*[[Null device]], a virtual file that discards data written to it, on Unix systems <code>/dev/null</code>
*[[Null pointer]] or reference (sometimes written <code>NULL</code>, <code>nil</code>, or <code>None</code>), an object pointer (or reference) not currently set to point (or refer) to a valid object

===Mathematics===
*[[Null (mathematics)]], a zero value in several branches of mathematics

===Physics===
*[[Null (physics)]], a point in a field where the field quantity is zero
*[[Null (radio)]], a concept in electromagnetism

==Arts and media==
*The Null Corporation, an imprint of the band [[Nine Inch Nails]]
*[[Null (Intronaut EP)|''Null'' (Intronaut EP)]], 2006
*[[Null (Foetus EP)|''Null'' (Foetus EP)]], 1995
*Null, an identity of the character [[Gray Fox (Metal Gear)|Gray Fox]] in the ''Metal Gear Solid: Portable Ops'' video game
*Null, a villain from ''[[Teenage Mutant Ninja Turtles Adventures]]''
*[[Null (The Legend of Zelda)|Null (''The Legend of Zelda'')]], the main antagonist of ''The Legend of Zelda: Echoes of Wisdom''
*Null, a mysterious character from [[Baldi's Basics in Education and Learning|Baldi's Basics]].

==People with the surname==
*[[Ashley Null]], American Anglican theologian
*[[Christopher Null]] (born 1971), American writer and film critic
*[[Eduard van der Nüll]] (1812–1868), Austrian architect
*[[Gary Null]] (born 1945), American radio host and author of works about alternative medicine
*[[Keith Null]] (born 1985), American football player
*[[Luke Null]] (born 1990), American actor and comedian

==See also==
*[[Ø (disambiguation)]]
*[[Null symbol (disambiguation)]]
*[[0 (disambiguation)]]
*[[Nil (disambiguation)]]
*[[Nul (disambiguation)]]
*[[Nullity (disambiguation)|Nullity]]
*[[Nullification (disambiguation)|Nullification]]
*[[Nothing (disambiguation)]]
{{srt}}

{{Disambiguation|surname}}