null.7 (2010 09)

n
null(7) null(7)
NAME
null - null file
DESCRIPTION
Data written on a null special file is discarded.
Reads from a null special file always return 0 bytes.
EXAMPLES
To create a zero-length file, use either of the following:
cat /dev/null > file
cp /dev/null file
FILES
/dev/null
STANDARDS CONFORMANCE
null: AES, SVID2, SVID3, XPG2, XPG3, XPG4, FIPS 151-2, POSIX.1, POSIX.2
HP-UX 11i Version 3: September 2010 − 1 − Hewlett-Packard Company 1