Using the Batch Command Interface › BCI Command Types

BCI Command Types

Commands read from an input file fall into two categories:

• BCI control commands used to provide details for session establishment, to request activation of a BCI command exit, and to disconnect the session. These commands are described in a following section.
• Any other commands, which are routed unchanged to the target region for interpretation and execution. These are processed by NCL procedure $USERBCI, which runs under the User Services option.

Once a BCI command exit has been activated, all non-BCI input commands are passed for pre-processing before continuing. The exit can add new control or user commands, and can modify command contents or delete commands.