UFS2 vs UFS1 determination

[David Kirchner]

On 9/27/05, Kenneth W Cochran <kwc at theworld.com> wrote:
> Hello -stable:
>
> How can I determine a filesystem's type in FreeBSD?
> More specifically, how can I determine whether a filesystem is UFS1
> or UFS2 (assuming, of course, that UFS2 is supported by the OS)?
> FAQ/doc/RTFM pointers are welcome.  :)

I dunno about FAQs about this, but check out "/sbin/dumpfs"