Operating System Commands (Tools/APIs) Contents Available Tools Invoke operating system commands from within InterSystems IRIS® data platform. Available Tools InterSystems Callout interface Enables you to invoke executables, operating system commands, and custom written dynamic link libraries from within InterSystems IRIS. See Using the Callout Gateway.Availability: All namespaces. Pipe adapters Enable a production to execute a shell command and communicate with it via pipes. Capable of handling character data or a binary data stream.See EnsLib.Pipe.InboundAdapterOpens in a new tab and EnsLib.Pipe.OutboundAdapterOpens in a new tab.Availability: All interoperability-enabled namespaces.