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operating system |
utility program |
application software |
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consists of the programs that control or maintain the operations of the computer and its devices. |
DISK CLEANUP |
Removes old installation details , temporary files and dead shortcuts |
DISK DEFRAGMENTER |
Reorder the file on hard disk to make the computer run faster |
ANTIVIRUS PROGRAM |
Detect and remove virusses from the computer |
FILE COMPRESSION TOOLS |
Shrink the size of file |
FILE MANAGER |
A file manger is a utility that perform functions related to file management. |
SPYWARE REMOVER |
Spyware remover programs that detects and deletes spyware. Adware remover is a program that detects and deletes adware. |
BACKUP AND RESTRORE |
Backup
allows users to make a backup (duplicate) copy of the information on the hard disk Restore used to “undelete” a file or information that has been accidentally deleted |