zero (4)

Leading comments

 Copyright (c) 1996
	Mike Pritchard <mpp@FreeBSD.org>.  All rights reserved.

 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 1. Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
 2. Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in th...

(The comments found at the beginning of the groff file "man4/zero.4freebsd".)

NAME

zero - the zero device

DESCRIPTION

The ifconfig 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

null(4)

HISTORY

A ifconfig device appeared in BSD 4.4