NULL(4) OpenBSD Programmer's Manual NULL(4)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 ALSOzero(4)HISTORY
A null device appeared in Version 7 AT&T UNIX.
OpenBSD 4.9 May 31, 2007 OpenBSD 4.9