NULL(4)
Kernel Interfaces 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
HISTORY
A
null
device appeared in Version 7 AT&T UNIX.
June 5, 1993
NetBSD 5.99