mknod to create /dev/null equivalent not working

[Adam Vande More]

On Mon, Aug 28, 2017 at 5:44 PM, James E. Pace <james at pacehouse.com> wrote:

> After "mknod /foo/dev/null c 0 0x1b":
>
> $ \ls -l /dev/null /foo/dev/null
> crw-rw-rw-  1 root  wheel  0x1b Aug 28 15:34 /foo/dev/null
> crw-rw-rw-  1 root  wheel  0x1b Aug 28 15:36 /dev/null
> $ cat /etc/hosts > /dev/null
> $ cat /etc/hosts > /foo/dev/null
> /foo/dev/null: Operation not supported.
>
> What am I doing wrong?  Why isn't the device I created acting like
> /dev/null?
>
> Tried on FreeBSD 11.1.
>

You must have missed the big header in the mknod man page.   I think you
may want devfs(5) instead.

-- 
Adam