# Naming structure of key programs

Each replication process has specific names for the three following services: scheduler, supervisor, log reader. Knowing how they are structured is useful if you wany to identifying the related files, for monitoring purposes for example.

There is a specific Job name for AS/400 IBMi and an executable for NT that specifies either the destination of the replication for the source, or the source of the replication for the target.

### In this section

* [Source](https://help.qlik.com/talend/en-US/change-data-capture-reference-guide/7.3/source)
* [Target](https://help.qlik.com/talend/en-US/change-data-capture-reference-guide/7.3/target)