A utility program which is also called a utility is a type of system software that allows a user to perform maintenance-type tasks usually related to managing a computer ,its devices or its program.
Antivirus-program that protect a computer against viruses by identyfying and removing any computer viruses found in memory or storage media or in incoming files.
Diagnostic utility-program that compiles technical information about a computer's hardware .
File manager-utility program that performs function related to files and disk management.
Screen saver-utility program that enables a display devices's screen to show a moving image or blank screen if no mouse activity occurs for a specified time.
