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, XPG2, XPG3, XPG4, FIPS 151-2, POSIX.1, POSIX.2

Hewlett-Packard Company  —  HP-UX Release 9.0: August 1992