.\" @(#)dd.1 8.2 (Berkeley) 1/13/94
.\" $FreeBSD$
.\"
.Dd February 28, 2016
.Dd August 12, 2016
.Dt DD 1
.Os
.Sh NAME
values are extensions to the
.Tn POSIX
standard.
.Sh HISTORY
A
.Nm
command appeared in
.At v5 .
.Sh BUGS
Protection mechanisms in the
.Xr geom 4