> # Server Controller Task (CNTL) Commands

> ### CLOSE

> Shuts down the SequeLink Server system in Normal or Immediate mode.

> Parameters

> TYPE=NORM
> Shuts down the SequeLink Server. All connections are allowed to end normally. New connections are refused. If you start shutdown normally, you can still override it to IMMEDIATE mode.
> TYPE=IMMED
> Shuts down the SequeLink Server immediately. All client connections are terminated in a consistent manner.

> Example

> `CNTL CLOSE TYPE=NORM` shuts down the SequeLink Server. All connections end normally and new connections are refused. You can still override shutdown to IMMEDIATE mode.

> `CNTL CLOSE TYPE=IMMED` shuts down the SequeLink Server immediately. All client connections are terminated in a consistent manner.

> ### HALT

> Shuts down the SequeLink Server system.

> Parameters

> None

> Example

> `CNTL HALT` shuts down the SequeLink Server immediately.

> ### STATUS

> Displays the general status of the SequeLink Server system.

> Parameters

> SHOW=ALL

> Lists all active tasks (server core tasks and service tasks) and shows their status. All services known to the server are listed.

> SHOW=SERVICES

> Lists all active application service tasks known to the server.

> NOTE: The SHOW parameter is optional.

> Example

> `CNTL STATUS` displays the status of each attached component. The output displays on the operator's console.

> `CNTL STATUS SHOW=ALL` displays all known active tasks and services. The output displays on the operator's console.

> `CNTL STATUS SHOW=SERVICES` lists all active services. The output displays on the operator's console.

> ### LIST

> Lists free storage, expressed in kilobytes (K), above and below the 16 MB line.

> Parameters

> Type=Free

> Example

> `CNTL LIST TYPE=FREE` lists the free storage above and below the 16 MB line.