zfs and snapshots

Hi!

I am trying to create a snapshot:

# zfs snapshot zroot@snap
#

this does not give back any error. Seems to work:

# zfs list -t snapshot
NAME USED AVAIL REFER MOUNTPOINT
zroot@snap 47K - 428M -
#

But now: since there is no mountpoint for the snapshot ...:

# ls -la /.snap
#

is empty! Is it OK? How do I access a snapshot taken from zroot?
Or --- how do I snapshot zroot mounted to "/"?

# zfs list
NAME USED AVAIL REFER MOUNTPOINT
zroot 8.63G 16.7G 428M legacy
zroot/tmp 5.94M 16.7G 5.94M /tmp
zroot/usr 8.08G 16.7G 7.14G /usr
zroot/usr/home 45.5K 16.7G 45.5K /usr/home
zroot/usr/ports 605M 16.7G 291M /usr/ports
zroot/usr/ports/distfiles 314M 16.7G 314M /usr/ports/distfiles
zroot/usr/ports/packages 31K 16.7G 31K /usr/ports/packages
zroot/usr/src 360M 16.7G 360M /usr/src
zroot/var 120M 16.7G 3.28M /var
zroot/var/crash 9.96M 16.7G 9.96M /var/crash
zroot/var/db 105M 16.7G 100M /var/db
zroot/var/db/pkg 5.05M 16.7G 5.05M /var/db/pkg
zroot/var/empty 31K 16.7G 31K /var/empty
zroot/var/log 438K 16.7G 438K /var/log
zroot/var/mail 94.5K 16.7G 94.5K /var/mail
zroot/var/run 66K 16.7G 66K /var/run
zroot/var/tmp 835K 16.7G 835K /var/tmp


--
Thomas
.

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