# System Services

System services are processed only by the Substation ES main task or administration interface. Substation ES provides access to all interfaces, so system services can be requested for execution when required.

System services consist of the Substation ES Unit of Work (UOW) handling, interface abend detection, the z/OS system console interaction facility, statistics monitoring, and recovery from disconnection or other system failures.

The console interface offers a convenient means for administrating, monitoring, and controlling events and services. You can also check from the console the status of components and interfaces that are operating in the Substation ES region. For example, system administrators and operations personnel can identify pending requests and replies, and manage them from the console.

Substation ES contains the following configuration and administrative components:

- System startup parameters
- System Initialization Parameters (SIPs)
- Transformation Data Configuration User Interface (DCUI) panels
- Configuration and reporting utilities

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