KLUOP009 userid {DISCONNECTED | userid (applid,luname,cid) ACTIVE [CONNECTED]}

Explanation

This reply from the VSHOW command displays information about a single user. userid is the user's ID. CONNECTED and DISCONNECTED indicate whether the user is attached to a terminal. ACTIVE means the user is currently active. applid is the application the user has logged onto; luname is the logical unit name; cid is the VTAM® network resource ID.