9c3a3d9f_Basic_CLIST_commands__Its_USE
[S.No] 26 [Clist Command] &SYSDVAL [Its USE] 
The 'DVAL' in the variable stands for 'Default VALue'. This variable can be used for: 1) extracting the TSO user's response after a READ statement with no operands 2) extracting the TSO user's response when a CLIST returns control after a TERMIN statement executes 3) extracting the TSO user's response when a READDVAL statement is executed.
Basic CLIST commands
Its USE