Here we would like to draw your attention to 0000 transaction code in SAP. As we know it is being used in the SAP BC-CUS (Customizing in Basis) component which is coming under BC module (BASIS).0000 is a transaction code used for Dialog Box for Customizing in SAP.
It comes under the package SCSC.When we execute this transaction code, RSTN0000 is the normal standard SAP program that is being executed in background.
Transaction 0000 technical data table
|Purpose||Dialog Box for Customizing|