Programs that control and support operations of a computer system. System software includes a variety of programs, such as operating systems, database management systems, communications control programs, service and utility programs, and programming language translators

The concurrent use of the same computer to accomplish several different information processing tasks. Each task may require the use of a different program, or the concurrent use of the same copy of a program by several users

The main control program of a computer system. It is a system of programs that controls the execution of computer programs and may provide scheduling, debugging, input/output control, system accounting, compilation, storage assignment, data management, and related services

Software that controls the execution of programs, and that provides services such as resource allocation, scheduling, input/output control, and data management. Usually, operating systems are predominantly software, but partial or complete hardware implementations are possible

An operating system function that controls the use of computer system resources such as primary storage, secondary storage, CPU processing time, and input/output devices by other system software and application software packages

A basic operating system function that manages the accomplishment of the computing tasks of users by a computer system

That part of an operating system or other program that allows users to communicate with it to load programs, access files, and accomplish other computing tasks

The use of secondary storage devices as an extension of the primary storage of the computer, thus giving the appearance of a larger main memory than actually exists

The part of an operating system users interact with that uses graphic icons and the computer mouse to issue commands and make selections

Reliable and compactly designed operating system that is an offshoot of UNIX and that can run on many different hardware platforms. Is available free or at very low cost as an alternative to UNIX and Windows operating system

Software that connects two disparate applications, allowing them to communicate with each other and to exchange data

Software that provides free access to its program code, allowing users to modify the program code to make improvements or fix errors

Operating system for all types of computers, which is machine independent and supports multiuser processing, multitasking, and networking. Used in high-end workstations and servers

Windows operating system for high-performance PCs and network servers. Supports networking, multitasking, multiprocessing, and Internet services

Earlier version of the Windows operating system that is closely integrated with the Internet

Earlier version of the Windows operating system enhanced for consumer users featuring tools for working with video, photos, music, and home networking

Powerful Windows operating system that provides reliability, robustness, and ease of use for both corporate and home PC users

A standard set of routines that assists in the operation of a computer system by performing some frequently required process such as copying, sorting, or merging

Computer programs or routines designed to perform some general support function required by other application software, by the operating system, or by the system users. They perform general functions such as formatting electronic media, making copies of files, or deleting files