ZERO(4) 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 supply of null bytes when read. FILES /dev/zero SEE ALSO full(4), gzero(4), null(4) HISTORY A zero device appeared in 4.4BSD. FreeBSD 15.1 November 9, 2025 ZERO(4)
NAME | DESCRIPTION | FILES | SEE ALSO | HISTORY
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