Answer:This document discusses the importance of maintaining computer equipment and systems through regular backups, virus checks, and file maintenance to avoid data loss and hacking. It also describes several software tools used for computer maintenance, including disk management tools like Fdisk, Format, Scandisk/Chkdsk, and Defrag, as well as the Disk Cleanup utility, which removes unnecessary and temporary files to improve hard drive performance. Instructions are provided on running Disk Cleanup in Windows XP through the My Computer interface or via Command Prompt.