Here we would like to draw your attention to SO21 transaction code in SAP. As we know it is being used in the SAP BC-SRV (Basis Services / Communication Interfaces in Basis) component which is coming under BC module (BASIS).SO21 is a transaction code used for Maintain PC Work Directory in SAP.
It comes under the package SO.When we execute this transaction code, RSSOPCDR is the normal standard SAP program that is being executed in background.
Transaction SO21 technical data table
|Purpose||Maintain PC Work Directory|