Null

Null is an English word meaning 'nothing' or without value or consequence. It is derived from the Latin word nullus meaning 'none'.

Null may refer to:

Null (computer programming), a special value in computer programming
Null, in law, having no legal validity. See Void (law)
Null (mathematics), a zero value in several branches of mathematics
/dev/null, the null device in Unix-like operating systems, equivalent to the NUL device on CP/M, DOS, and Windows operating systems
Null (physics), a concept in electromagnetism and theoretical physics
Null (SQL), a special marker and keyword in SQL
Null allele (genetics), also see amorph
Null character, an ASCII value of 00 commonly used as a terminator, separator or filler
Null cipher, a ciphertext symbol
Null hypothesis, a hypothesis in statistics
Null morpheme, a concept in linguistics
Null result, the absence of the expected result in a scientific experiment
Null pointe, [fr] no points, "love" in tennis scoring
KK Null, a Japanese musician
The German word for zero

Null, a character appearing in the Metal Gear Solid: Portable Ops video game
Nulls, worm-like remains of defeated characters in the animated program ReBoot
Null, the Living Darkness, a Marvel Comics character
Null replaces the word "cool" in the Dystopian novel, Feed
Null, men-eating sentinents in the Downs-Lord Triptich books by John Whitbourn
Nul, rulers of a Galactic Empire of which earth is a province, in Brian Aldiss's Bow Down to Nul

See also