ZERO(4) BSD Kernel Interfaces Manual ZERO(4)NAME
zero — the zero device
DESCRIPTION
The zero device accepts and reads data as any ordinary (and willing)
file, but throws away any data written to it, and returns an endless sup‐
ply of null bytes when read.
FILES
/dev/zero
SEE ALSOnull(4)HISTORY
A zero device appeared in 4.4BSD.
BSD April 7, 1996 BSD