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ZERO(4) Device Drivers Manual ZERO(4)

NAME

zerothe 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.

April 7, 1996 Debian