Legacy ISPF Gateway
This section provides information about installing, customizing, and using the Legacy ISPF Gateway. For information about the Interactive ISPF Gateway and the Legacy ISPF Gateway and the benefits of using the Interactive ISPF Gateway, see TSO/ISPF client gateway .
To use the Legacy ISPF Gateway, ensure that the environment variable CGI_CEATSO is not defined or that it is set to a value other than TRUE before invoking the gateway.