operating System Utility Programs

• Utility
• File manager
• Image viewer
• Uninstaller
• Disk scanner
• Disk defragmenter
• Diagnostic utility
• Backup
• Screen Saver

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• What is a utility program?
•          System software that performs maintenance-type tasks·     
•           Also called utility

• What is a file manager?
• Performs functions such as copying, renaming, deleting and moving files
• Image viewer displays contents of graphics file when you double click on it

•          What is an uninstaller?

•          What is a disk scanner?

•          Detects and corrects problems on hard disk or floppy disk

•          Searches for and removes unnecessary files

•          What is a disk defragmenter?

•          Reorganizes files and unused space on hard disk so programs run faster

•          What is a diagnostic utility?

•          Compiles technical information about hardware and some software

•          Prepares report outlining problems

•          What is a backup utility?

•          Copies selected files or entire hard disk onto another disk or tape

•          Most compress files during backup to require less storage space

•          What is a screen saver?

•          Causes monitor’s screen to display moving image or blank screen if there is no activity for a specified time

•          To secure computer, user configures screen saver to require password to deactivate