Mac OS X Server
Device Driver (or Driver)
Mac OS
Utility Program
Linux
Windows
Kernel
DOS (or Disk Operating System)
File Management
Windows Server
UNIX
A software program that performs a specific task, usually related to managing or maintaining the computer system.
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.
The operating system created by Microsoft in 1985 with a graphical user interface.
An open source operating system developed by Linus Torvalds in 1991 when he was a student.
A small program used to communicate with a peripheral device, such as a monitor, printer, or keyboard.
To keep track of the files stored on a computer so they can be retrieved when needed.
The server version of Mac OS X.
The essential portion, or core, of the operating system.
The version of Windows designed for server use.
The dominant operating system for microcomputers during the 1980s and the early 1990s.
