Also called productivity software; helps you perform a specific task, such as word processing, spreadsheets, and so forth.
Graphical user interfaces (GUIs)
An operating system with graphical symbols representing files, programs, and documents.
Disk Operating system; originally introduced with the IBM PC in 1981.
Running two or more distinct computer operations simultaneously-one in the foreground, the other(s) in the background.
Network operating system
An operating system that runs on a network server.
Provide an interface between the user or application program and the computer hardware.
A program or instructions that give directions to the computer.
A group of programs that coordinate and control the resources and operations of a computer system.
Operating system developed by AT&T. It is considered portable, meaning it can run on just about any hardware platform.
Part of the computer's operating system that users interact with.