#!/bin/sh
# $KTH: dd,v 1.4 2000/03/18 05:30:18 assar Exp $
if test -r /dev/zero; then
  dd if=/dev/zero of=foo bs=1k count=20 >/dev/null 2>/dev/null || exit 1
  rm foo || exit 1
else
  echo "not running dd (you have no /dev/zero)"
fi