The object specifies whether security mode is enable. Options: 1. enable(1) -indicates that the security administrator, whose name is security, can log in to the system. 2. disable(2) -indicates that the rights of user root are separated and are assigned to user security. User security can perform the querying operation and the operations corresponding to the rights separated from the rights of user root. That is, when the security mode switch is enabled(1), certain operations that can be performed by user root originally cannot be performed by user root but by user security. When the security mode is set to disable(2), the rights of user root and user security are combined and all the rights are owned by user root. In this case, user security cannot log in to the system. DEFVAL { disable }