null (4)

Leading comments

 Copyright (c) 1991, 1993
	The Regents of the University of California.  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...

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

NAME

null - the null device

DESCRIPTION

The ifconfig device accepts and reads data as any ordinary (and willing) file - but throws it away. The length of the ifconfig device is always zero.

FILES

/dev/null

SEE ALSO

zero(4)

HISTORY

A ifconfig device appeared in AT&T System v7 .