mysql> SHOW GLOBAL STATUS LIKE 'Open%tables';
 +---------------+-------+
 | Variable_name | Value |
 +---------------+-------+
 | Open_tables   | 400   |
 | Opened_tables | 70123 |
 +---------------+-------+

 mysql> SHOW GLOBAL VARIABLES
 WHERE variable_name = 'max_connections'
    OR variable_name = 'table_open_cache';
 +------------------+-------+
 | Variable_name    | Value |
 +------------------+-------+
 | max_connections  | 151   |
 | table_open_cache | 400   |
 +------------------+-------+