Matching Pairs Operating System SoftwareOnline version Matching parts and types of OS software to descriptions by Tim Lorenz 1 Mac OS X Server 2 Windows Server 3 Mac OS 4 UNIX 5 Utility Program 6 Device Driver (or Driver) 7 Linux 8 File Management 9 Kernel 10 Windows 11 DOS (or Disk Operating System) The server version of Mac OS X. The essential portion, or core, of the operating system. The dominant operating system for microcomputers during the 1980s and the early 1990s. A small program used to communicate with a peripheral device, such as a monitor, printer, or keyboard. An open source operating system developed by Linus Torvalds in 1991 when he was a student. To keep track of the files stored on a computer so they can be retrieved when needed. The proprietary operating system used for computers made by Apple Inc. A multiuser, multitasking operating system developed in the late 1960s at the AT&T Bell Laboratories as an operating system for midrange servers. A software program that performs a specific task, usually related to managing or maintaining the computer system. The operating system created by Microsoft in 1985 with a graphical user interface. The version of Windows designed for server use.