NAME
null —
the null device
DESCRIPTION
Thenull 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
HISTORY
null first appeared in
Version 4 AT&T UNIX as an empty file,
/dev/null, which returned end of file when being
read from. An implementation which could also be written to first appeared
in Version 5 AT&T UNIX.