OpenBSD manual page server

Manual Page Search Parameters

NULL(4) Device Drivers Manual NULL(4)

nullthe null device

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.

/dev/null
 

zero(4)

A null device appeared in Version 7 AT&T UNIX.

May 31, 2007 OpenBSD-5.7