1.\" Copyright (c) 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" %sccs.include.redist.man% 5.\" 6.\" @(#)null.4 8.1 (Berkeley) 06/05/93 7.\" 8.Dd 9.Dt NULL 4 10.Os 11.Sh NAME 12.Nm null 13.Nd the null device 14.Sh DESCRIPTION 15The 16.Nm 17device accepts and reads data as any ordinary (and willing) 18file \- 19but throws it away. The length of the 20.Nm null 21device is always zero. 22.Sh FILES 23.Bl -tag -width /dev/null 24.It Pa /dev/null 25.El 26.Sh HISTORY 27A 28.Nm 29device appeared in 30.At v7 . 31