System utilities are software tools designed to help manage, maintain, and control computer resources. They perform essential tasks such as file management, system monitoring, and performance optimization. Common examples include disk cleanup tools, antivirus programs, and backup utilities, which ensure that the system runs smoothly and efficiently. These utilities can be found in various operating systems, such as Windows, macOS, and Linux. They often come pre-installed or can be downloaded separately. By using system utilities, users can enhance their computer's performance, protect against malware, and recover lost data, making them vital for effective system management.