Provided by: freebsd-manpages_12.0-1_all bug

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 supply of null bytes when read.

FILES

     /dev/zero

SEE ALSO

     full(4), null(4)

HISTORY

     A zero device appeared in 4.4BSD.