# Test to an entry that does not exist in DNS
$ traceroute foo.aussiebb.com.au
foo.aussiebb.com.au: Name or service not known
Cannot handle "host" cmdline arg `foo.aussiebb.com.au' on position 1 (argc 1)
$
# Same test, with STDOUT directed to /dev/null (discard output to STDOUT)
$ traceroute foo.aussiebb.com.au 1>/dev/null
foo.aussiebb.com.au: Name or service not known
Cannot handle "host" cmdline arg `foo.aussiebb.com.au' on position 1 (argc 1)
$
# Same test, with STDERR directed to /dev/null (discard output to STDERR)
$ traceroute foo.aussiebb.com.au 2>/dev/null
$