The SSID selection function
On the Db2 Automation Expert main menu and the System Parameters panels, you can enter ? in the SSID field to get a list of valid Db2 subsystems that exist in the active Db2 control data set.
To access this panel, enter ? in the SSID field and press Enter. The SSID Selection panel is displayed, as shown in the following figure:
This panel list all Db2 subsystems that have been defined in the Db2 control data set, which is configured in the System Parameters section of Db2 Automation Expert setup. Next to each SSID is the subsystem's current status. To select a subsystem, enter S next to the SSID and press Enter. To cancel, press PF3.