Question: Disk First Aid is a free software utility made by which organzation, that was bundled with all computers running the classic Mac OS, this tool verifies and repairs a limited number of directory structure problems on any HFS or HFS Plus hard disk or volume?
Sentence (from "HFS Plus"): HFS Plus or HFS+ is a file system developed by Apple Inc. It served as the primary file system of macOS.
Relevant evidence: Yes