• To protect us against external threats, the inclusion of a firewall is there.
Example: windows firewall
• It can scan hardware diagnostic services like performance monitor, hard disk sentinel.
• It can also compress files so that the disk space can be optimised. E.g., WinRAR, WinZip.
• Utility can do disk partition services like Windows Disk Management.
• Utility can help us in recovering in our lost data. E.g., iCare Data Recovery, Ease Us Data Recovery Wizard etc.,
• Utility can back up our data to increase the security of our systems like Cobian and Clonezilla.
• Utility can do defragmentation of a disk so that the scattered file can be organised on the drive. E.g., Disk Defragmenter, Little Snitch etc.,
• Utility can perform antivirus and security software so that the security of the files and the applications can be maintained. E.g., AVG, Microsoft Security Essentials etc.,
