Use the SHOW CIRCUIT command to display circuit information (from  the
 volatile database) available to the executor node. Use the LIST CIRCUIT
 command to display circuit information (from  the  permanent  database)
 available to the executor node.

 SHOW    ACTIVE CIRCUITS     CHARACTERISTICS         ADJACENT NODE node-id
 LIST    KNOWN CIRCUITS      COUNTERS                TO file-id
         CIRCUIT circuit-id  STATUS
                             SUMMARY

 All underscores found in parameters must be replaced with spaces
 when parameters are used in NCP commands.