|ZERO(4)||Device Drivers Manual||ZERO(4)|
the zero device
zerodevice accepts and reads data as any ordinary (and willing) file, but throws away any data written to it, and returns an endless supply of null bytes when read.
SEE ALSO¶full(4), null(4)
zerodevice appeared in 4.4BSD.
|April 7, 1996||Linux 4.19.0-10-amd64|