Which tool is used for batch processing scheduling in SAP?

The correct choice for batch processing scheduling in SAP is SM36. This transaction code is specifically designed for creating, managing, and scheduling batch jobs. In SM36, users can define the job's parameters, including the programs to run, variants, and execution times. This tool provides a structured way to automate processes that can run during non-peak hours or at specific intervals, thus enhancing system efficiency and resource utilization.

In contrast, SE80 is an object navigator for development work, allowing developers to manage various development objects rather than focusing on job scheduling. ST22 is used for analyzing ABAP runtime errors and dumps, which is not related to batch job scheduling. SA38 allows users to execute programs directly but lacks the functionality to schedule jobs for future execution, making it more suitable for ad-hoc execution rather than regular batch processing.