System value concepts

These concepts give you a basic foundation for understanding system values; for example, how to lock and unlock system values and how system values affect a restore operation.

Lock function of security-related system values
Most security system values can be altered only by a user with Security administrator (*SECADM) and All object (*ALLOBJ) special authorities. To prevent even these users from changing these system values during normal operation, system service tools (SST) and dedicated service tools (DST) provide an option to lock these security values.
Effects of system value settings on restore operations
When you prepare for a restore operation, you need to set the restore system values so that they are compatible during a restore operation.

Parent topic: System values