I just found the new section in the handbook on ZFS. Thanks very much to authors Tom Rhodes, Allan Jude, Benedict Reuschling and Warren Block for an excellent addition.
This output shows that the example pool has been created and mounted. It is now accessible as a file system. Files can be created on it and users can browse it:
[snip example file creation]
However, this pool is not taking advantage of any ZFS features. To create a dataset on this pool with compression enabled:
-O
option.The pool and file system may also be observed by viewing the output from mount:
# mount
/dev/ad0s1a on / (ufs, local)
devfs on /dev (devfs, local)
/dev/ad0s1d on /usr (ufs, local, soft-updates)
example on /example (zfs, local)
example/data on /example/data (zfs, local)
example/compressed on /example/compressed (zfs, local)
mount
output does not show the "pool and file system