systemutility

noun
UK /ˈsɪstəm juːˌtɪlɪti/
US /ˈsɪstəm juːˌtɪləti/

A system utility is a small program that helps keep a computer clean, safe, and running well.

I used a system utility to delete old files and free up space on my laptop.


OTHER MEANINGS

2. A built-in tool in an operating system for managing files or settings.

The disk defragmenter is a system utility that organizes files on the hard drive.

3. Software that performs housekeeping tasks like backup or compression.

He ran a system utility to back up his photos before updating the computer.

4. A small program used to monitor or tune computer performance.

The system utility showed that the memory was almost full.