NULL(4) Device Drivers Manual NULL(4)

NAME

nullthe 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 8.1