---
name: "null"
section: "4freebsd"
platform: "linux"
package: "freebsd-manpages"
version: "12.2-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/null/4freebsd"
---

# null(4freebsd)

the null device

## NAME

**null** – the null device

## DESCRIPTION

The **null** device accepts and reads data as any ordinary (and willing) file - but throws it away. The length of the **null** device is always zero.

## FILES

- */dev/null*

  ## SEE ALSO

[full(4)](/full/4.md), [zero(4)](/zero/4.md)

## HISTORY

A **null** device appeared in Version 4 AT&T UNIX.