bash-3.00# zfs list
NAME                  USED  AVAIL  REFER  MOUNTPOINT
raidtest              122K   427G  24.0K  /raidtest
test                 2.26M   213G    19K  /test
test@snap1               0      -    19K  -
test/first_fs        2.15M   213G  2.15M  /test/first_fs
test/first_fs@snap1      0      -  2.15M  -