What is ATC?

ATC (ABAP Test Cockpit)

For ABAP developers using SAP software, ATC stands for ABAP Test Cockpit tool which provides a set of tools to check given set of ABAP programs or objects by running static code checks and unit tests.
ATC or ABAP Test Cockpit is an integrated tool to SE80 Development Workbench.
ABAP developers can also execute ATC checks over an SAP program or ABAP report within SE38 transaction easily.
An other way to run ABAP Test Cockpit, ATC checks for all the objects included in a given transport request is using SE09 transaction.

An ABAP programmers can schedule ATC checks to be executed automatically on given schedule by using the ATC transaction code.

When an ATC check is executed, the result is a list of code corrections or modifications that are adviced to be altered or corrected for more secure, robust, best performing code.