Execution example::

  % groonga -c
  > status
  [[0,1317212813.13814,0.000102148],{"alloc_count":184,"starttime":1317212806,"uptime":7,"version":"1.2.5-84-g5c190df","n_queries":14,"cache_hit_rate":0.0,"command_version":1,"default_command_version":1,"max_command_version":2}]
  > ctrl-d
  %