"COMPUTERS Operating Systems General." . . "Mac OS." . . . . . . . . . "Demonstrates Mac OS fundamentals, covering hardware, peripherals, configuration, multimedia features, applications, multiple user options, Internet capabilities, and troubleshooting common problems." . . . . . . . . . "Electronic books"@en . . . . . "The Mac OS 9 guide" . "The Mac OS 9 guide"@en . .