Learn about Windows system utilities. The Windows operating system includes several diagnostic utility programs that are useful to troubleshooters. Use the Windows Help system to learn the purpose of each of these utilities: l System Information l Performance Information and Tools l Windows Easy Transfer l Disk Cleanup l Disk Defragmenter l System Restore Write a brief description of the purpose of each of these utilities. Include in your description an example of a situation in which a troubleshooter might need to use each tool. Finally, briefly explain the difference between Disk Cleanup and Disk Defragmenter.