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