Systems support and security layout the crucial protection and the maintenance for system.
This phase's emphasis is to ensure that the system must continues to perform as according to the specifications. There must be routine hardware as well as software maintenance to ensure an effective system operations.
It monitors the physical and the electronic security software, hardware and procedures. The system must be repaired and monitored from time to time against any threats.
A computer uses unallocated space also know as free space to keep a file that has been deleted in its disk until a new file takes it spot and overwrites it.
