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Time-sharing

Index Time-sharing

In computing, time-sharing is the sharing of a computing resource among many users by means of multiprogramming and multi-tasking at the same time. [1]

158 relations: Acoustic coupler, Allen-Babcock, AN/FSQ-32, Application software, Artificial intelligence, ASCII, AT&T Corporation, Atlas (computer), Automatic Data Processing, Batch processing, BBN Technologies, Bell Labs, Berkeley Software Distribution, Berkeley Timesharing System, Bob Bemer, Bob Frankston, Burroughs Corporation, Burroughs MCP, CDC 3000 series, CDC 6000 series, CDC 6600, CDC Kronos, CDC SCOPE, Centralized computing, CLIST, Cloud computing, Compatible Time-Sharing System, CompuServe, Computer Lib/Dream Machines, Computer multitasking, Computer Networks: The Heralds of Resource Sharing, Computer terminal, Computing, Concise Command Language, Concurrent computing, Control Data Corporation, CP-67, CP/CMS, CPU time, DARPA, Dartmouth Time Sharing System, Desktop computer, Dial-up Internet access, Digital Equipment Corporation, Donald Bitzer, Fernando J. Corbató, Ferranti, General Electric, GEnie, Hewlett-Packard, ..., History of CP/CMS, Honeywell, Honeywell CP-6, HP 3000, HP Time-Shared BASIC, Human–computer interaction, IBM, IBM 2741, IBM 704, IBM 7040, IBM 709, IBM CP-40, IBM M44/44X, IBM Selectric typewriter, IBM System/360, IBM System/360 Model 50, IBM System/360 Model 67, IBM System/370, IEEE-488, Incompatible Timesharing System, Interrupt, John Backus, John McCarthy (computer scientist), JOSS, Magnetic-core memory, Mainframe computer, Massachusetts General Hospital, Massachusetts Institute of Technology, McGill University, Michigan State University, Michigan Terminal System, MIT Computer Science and Artificial Intelligence Laboratory, Modem, Multics, Multiseat configuration, MUMPS, MUSIC/SP, MVS, National CSS, National Institutes of Health, NOS (software), NOS/VE, OpenVMS, Operating system, Oregon State University, ORVYL and WYLBUR, OS 2200, OS/360 and successors, OS/VS1, OS/VS2 (SVS), Overhead (computing), PARC (company), PDP-1, PDP-10, PDP-6, Personal computer, PLATO (computer system), Prime Computer, PRIMOS, Project Genie, Project Xanadu, Punched card input/output, Punched tape, RAND Corporation, RCA, Rexx, Robert Allerton Park, RSTS/E, RSX-11, Scientific Data Systems, SDS 940, Service bureau, Service Bureau Corporation, Service in Informatics and Analysis, SRI International, Stanford University, Stanford University centers and institutes, System Development Corporation, Ted Nelson, TELCOMP, Teletype Model 33, Theory of computation, Time Sharing Operating System, Time Sharing Option, Timeline of operating systems, Titan (computer), TOPS-10, TOPS-20, TSS (operating system), TSS-8, Tymnet, Tymshare, Unisys, UNIVAC, UNIVAC 1100/2200 series, Universal Time-Sharing System, University of California, Berkeley, University of Cambridge, Unix, Utility computing, VAX, VAX-11, Virtual memory, VM (operating system), VP/CSS, VS/9, WAITS, Z/OS. Expand index (108 more) »

Acoustic coupler

In telecommunications, an acoustic coupler is an interface device for coupling electrical signals by acoustical means—usually into and out of a telephone.

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Allen-Babcock

Allen-Babcock Computing was founded in Los Angeles in 1964 by James D Babcock and Michael Jane Allen Babcock to take advantage of the fast-growing market for computer time-sharing services.

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AN/FSQ-32

The AN/FSQ-32 SAGE Solid State Computer (AN/FSQ-7A before December 1958, colloq. "Q-32") was a planned military computer central for deployment to Super Combat Centers in nuclear bunkers and to some above-ground military installations.

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Application software

An application software (app or application for short) is a computer software designed to perform a group of coordinated functions, tasks, or activities for the benefit of the user.

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Artificial intelligence

Artificial intelligence (AI, also machine intelligence, MI) is intelligence demonstrated by machines, in contrast to the natural intelligence (NI) displayed by humans and other animals.

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ASCII

ASCII, abbreviated from American Standard Code for Information Interchange, is a character encoding standard for electronic communication.

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AT&T Corporation

AT&T Corp., originally the American Telephone and Telegraph Company, is the subsidiary of AT&T that provides voice, video, data, and Internet telecommunications and professional services to businesses, consumers, and government agencies.

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Atlas (computer)

The Atlas Computer was a joint development between the University of Manchester, Ferranti, and Plessey.

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Automatic Data Processing

Automatic Data Processing, Inc., commonly known as ADP, is an American provider of human resources management software and services.

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Batch processing

In computing, batch processing refers to a computer working through a queue or batch of separate jobs (programs) without manual intervention (non-interactive).

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BBN Technologies

BBN Technologies (originally Bolt, Beranek and Newman) is an American high-technology company which provides research and development services.

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Bell Labs

Nokia Bell Labs (formerly named AT&T Bell Laboratories, Bell Telephone Laboratories and Bell Labs) is an American research and scientific development company, owned by Finnish company Nokia.

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Berkeley Software Distribution

Berkeley Software Distribution (BSD) was a Unix operating system derivative developed and distributed by the Computer Systems Research Group (CSRG) of the University of California, Berkeley, from 1977 to 1995.

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Berkeley Timesharing System

The Berkeley Timesharing System was a pioneering time-sharing operating system implemented between 1964 and 1967 at the University of California, Berkeley.

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Bob Bemer

Robert William Bemer (February 8, 1920 – June 22, 2004) was a computer scientist best known for his work at IBM during the late 1950s and early 1960s.

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Bob Frankston

Robert M. Frankston (born June 14, 1949 in Brooklyn, New York) is the co-creator with Dan Bricklin of the VisiCalc spreadsheet program and the co-founder of Software Arts, the company that developed it.

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Burroughs Corporation

The Burroughs Corporation was a major American manufacturer of business equipment.

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Burroughs MCP

The MCP (Master Control Program) is the proprietary operating system of the Burroughs small, medium and large systems, including the Unisys Clearpath/MCP systems.

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CDC 3000 series

The CDC 3000 series computers from Control Data Corporation were mid-1960s follow-ons to the CDC 1604 and CDC 924 systems.

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CDC 6000 series

The CDC 6000 series was a family of mainframe computers manufactured by Control Data Corporation in the 1960s.

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CDC 6600

The CDC 6600 was the flagship of the 6000 series of mainframe computer systems manufactured by Control Data Corporation.

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CDC Kronos

Kronos is an operating system with time-sharing capabilities, written by Control Data Corporation in the 1970s.

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CDC SCOPE

SCOPE, an acronym for Supervisory Control Of Program Execution, was the name used by the Control Data Corporation for a number of operating system projects in the 1960s.

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Centralized computing

Centralized computing is computing done at a central location, using terminals that are attached to a central computer.

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CLIST

CLIST (Command List) (pronounced "C-List") is a procedural programming language for TSO in MVS systems.

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Cloud computing

Cloud computing is an information technology (IT) paradigm that enables ubiquitous access to shared pools of configurable system resources and higher-level services that can be rapidly provisioned with minimal management effort, often over the Internet.

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Compatible Time-Sharing System

The Compatible Time-Sharing System (CTSS), was one of the first time-sharing operating systems; it was developed at the MIT Computation Center.

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CompuServe

CompuServe (CompuServe Information Service, also known by its initialism CIS) was the first major commercial online service provider in the United States.

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Computer Lib/Dream Machines

Computer Lib is a 1974 book by Ted Nelson, originally published by Nelson himself, and printed with Dream Machines, another book by Nelson, as a two front cover paperback to indicate its intertwingled nature, and was republished with a foreword by Stewart Brand in 1987 by Microsoft Press.

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Computer multitasking

In computing, multitasking is the concurrent execution of multiple tasks (also known as processes) over a certain period of time.

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Computer Networks: The Heralds of Resource Sharing

Computer Networks: The Heralds of Resource Sharing is a short documentary film from 1972, produced by Steven King and directed/edited by Peter Chvany, about ARPANET, an early packet switching network and the first network to implement the protocol suite TCP/IP.

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Computer terminal

A computer terminal is an electronic or electromechanical hardware device that is used for entering data into, and displaying or printing data from, a computer or a computing system.

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Computing

Computing is any goal-oriented activity requiring, benefiting from, or creating computers.

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Concise Command Language

Concise Command Language (CCL) was the term used by Digital Equipment Corporation for the Command-line interpreter / User interface supplied on several of their computing systems; its successor was named DIGITAL Command Language (DCL).

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Concurrent computing

Concurrent computing is a form of computing in which several computations are executed during overlapping time periods—concurrently—instead of sequentially (one completing before the next starts).

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Control Data Corporation

Control Data Corporation (CDC) was a mainframe and supercomputer firm.

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CP-67

CP-67 was the control program portion of CP/CMS, a virtual machine operating system developed for the IBM System/360-67 by IBM's Cambridge Scientific Center.

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CP/CMS

CP/CMS (Control Program/Cambridge Monitor System) is a discontinued time-sharing operating system of the late 60s and early 70s, known for its excellent performance and advanced features.

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CPU time

CPU time (or process time) is the amount of time for which a central processing unit (CPU) was used for processing instructions of a computer program or operating system, as opposed to elapsed time, which includes for example, waiting for input/output (I/O) operations or entering low-power (idle) mode.

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DARPA

The Defense Advanced Research Projects Agency (DARPA) is an agency of the United States Department of Defense responsible for the development of emerging technologies for use by the military.

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Dartmouth Time Sharing System

The Dartmouth Time-Sharing System, or DTSS for short, is an operating system first developed at Dartmouth College between 1963 and 1964.

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Desktop computer

A desktop computer is a personal computer designed for regular use at a single location on or near a desk or table due to its size and power requirements.

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Dial-up Internet access

Dial-up Internet access is a form of Internet access that uses the facilities of the public switched telephone network (PSTN) to establish a connection to an Internet service provider (ISP) by dialing a telephone number on a conventional telephone line.

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Digital Equipment Corporation

Digital Equipment Corporation, also known as DEC and using the trademark Digital, was a major American company in the computer industry from the 1950s to the 1990s.

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Donald Bitzer

Donald L. Bitzer (born January 1, 1934) is an American electrical engineer and computer scientist.

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Fernando J. Corbató

Fernando José "Corby" Corbató (born July 1, 1926) is a prominent American computer scientist, notable as a pioneer in the development of time-sharing operating systems.

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Ferranti

Ferranti or Ferranti International plc was a UK electrical engineering and equipment firm that operated for over a century from 1885 until it went bankrupt in 1993.

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General Electric

General Electric Company (GE) is an American multinational conglomerate incorporated in New York and headquartered in Boston, Massachusetts.

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GEnie

GEnie (General Electric Network for Information Exchange) was an online service created by a General Electric business, GEIS (now GXS), that ran from 1985 through the end of 1999.

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Hewlett-Packard

The Hewlett-Packard Company (commonly referred to as HP) or shortened to Hewlett-Packard was an American multinational information technology company headquartered in Palo Alto, California.

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History of CP/CMS

This article covers the History of CP/CMS — the historical context in which this important IBM time-sharing virtual machine operating system was built.

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Honeywell

Honeywell International Inc. is an American multinational conglomerate company that produces a variety of commercial and consumer products, engineering services and aerospace systems for a wide variety of customers, from private consumers to major corporations and governments.

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Honeywell CP-6

CP-6 is a discontinued computer operating system developed by Honeywell, Inc. in 1976.

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HP 3000

The HP 3000 series is a family of minicomputers released by Hewlett-Packard in 1972.

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HP Time-Shared BASIC

HP Time-Shared BASIC (HP TSB) is an interpreter software system that was sold by the Hewlett-Packard Company in the late 1960s and 1970s, based on their HP 2100 line of minicomputers.

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Human–computer interaction

Human–computer interaction (HCI) researches the design and use of computer technology, focused on the interfaces between people (users) and computers.

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IBM

The International Business Machines Corporation (IBM) is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries.

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IBM 2741

The IBM 2741 is a printing computer terminal that was introduced in 1965.

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IBM 704

The IBM 704, introduced by IBM in 1954, is the first mass-produced computer with floating-point arithmetic hardware.

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IBM 7040

The IBM 7040 was a historic but short-lived model of transistor computer built in the 1960s.

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IBM 709

The IBM 709 was a computer system, initially announced by IBM in January 1957 and first installed during August 1958.

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IBM CP-40

CP-40 was a research precursor to CP-67, which in turn was part of IBM's then-revolutionary CP-67/CMS – a virtual machine/virtual memory time-sharing operating system for the IBM System/360 Model 67, and the parent of IBM's VM family.

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IBM M44/44X

The IBM M44/44X was an experimental computer system from the mid-1960s, designed and operated at IBM's Thomas J. Watson Research Center at Yorktown Heights, New York.

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IBM Selectric typewriter

The IBM Selectric typewriter was a highly successful model line of electric typewriters introduced by IBM on 31 July 1961.

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IBM System/360

The IBM System/360 (S/360) is a family of mainframe computer systems that was announced by IBM on April 7, 1964, and delivered between 1965 and 1978.

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IBM System/360 Model 50

The IBM System/360 Model 50 is a member of the IBM System/360 family of computers.

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IBM System/360 Model 67

The IBM System/360 Model 67 (S/360-67) was an important IBM mainframe model in the late 1960s.

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IBM System/370

The IBM System/370 (S/370) was a model range of IBM mainframe computers announced on June 30, 1970 as the successors to the System/360 family.

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IEEE-488

IEEE 488 is a short-range digital communications 8-bit parallel multi-master interface bus specification.

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Incompatible Timesharing System

Incompatible Timesharing System (ITS) is a time-sharing operating system developed principally by the MIT Artificial Intelligence Laboratory, with help from Project MAC.

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Interrupt

In system programming, an interrupt is a signal to the processor emitted by hardware or software indicating an event that needs immediate attention.

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John Backus

John Warner Backus (December 3, 1924 – March 17, 2007) was an American computer scientist.

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John McCarthy (computer scientist)

John McCarthy (September 4, 1927 – October 24, 2011) was an American computer scientist and cognitive scientist.

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JOSS

JOSS (an acronym for JOHNNIAC Open Shop System) was one of the very first interactive, time-sharing programming languages.

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Magnetic-core memory

Magnetic-core memory was the predominant form of random-access computer memory for 20 years between about 1955 and 1975.

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Mainframe computer

Mainframe computers (colloquially referred to as "big iron") are computers used primarily by large organizations for critical applications; bulk data processing, such as census, industry and consumer statistics, enterprise resource planning; and transaction processing.

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Massachusetts General Hospital

Massachusetts General Hospital (Mass General or MGH) is the original and largest teaching hospital of Harvard Medical School and a biomedical research facility located in the West End neighborhood of Boston, Massachusetts.

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Massachusetts Institute of Technology

The Massachusetts Institute of Technology (MIT) is a private research university located in Cambridge, Massachusetts, United States.

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McGill University

McGill University is a public research university in Montreal, Quebec, Canada.

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Michigan State University

Michigan State University (MSU) is a public research university in East Lansing, Michigan, United States.

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Michigan Terminal System

The Michigan Terminal System (MTS) is one of the first time-sharing computer operating systems.

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MIT Computer Science and Artificial Intelligence Laboratory

MIT Computer Science and Artificial Intelligence Laboratory (CSAIL) is a research institute at the Massachusetts Institute of Technology formed by the 2003 merger of the Laboratory for Computer Science and the Artificial Intelligence Laboratory.

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Modem

A modem (modulator–demodulator) is a network hardware device that modulates one or more carrier wave signals to encode digital information for transmission and demodulates signals to decode the transmitted information.

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Multics

Multics (Multiplexed Information and Computing Service) is an influential early time-sharing operating system, based around the concept of a single-level memory.

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Multiseat configuration

A multiseat, multi-station or multiterminal configuration is a single computer which supports multiple independent local users at the same time.

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MUMPS

MUMPS (Massachusetts General Hospital Utility Multi-Programming System), or M, is a general-purpose computer programming language that provides ACID (Atomic, Consistent, Isolated, and Durable) transaction processing.

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MUSIC/SP

MUSIC/SP (Multi-User System for Interactive Computing/System Product; originally "McGill University System for Interactive Computing") was developed at McGill University in the 1970s from an early IBM time-sharing system called RAX (Remote Access Computing System).

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MVS

Multiple Virtual Storage, more commonly called MVS, was the most commonly used operating system on the System/370 and System/390 IBM mainframe computers.

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National CSS

National CSS, Inc.

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National Institutes of Health

The National Institutes of Health (NIH) is the primary agency of the United States government responsible for biomedical and public health research, founded in the late 1870s.

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NOS (software)

NOS (Network Operating System) is a discontinued operating system with time-sharing capabilities, written by Control Data Corporation in the 1970s.

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NOS/VE

NOS/VE (Network Operating System / Virtual Environment) is a discontinued operating system with time-sharing capabilities, written by Control Data Corporation in the 1980s.

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OpenVMS

OpenVMS is a closed-source, proprietary computer operating system for use in general-purpose computing.

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Operating system

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

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Oregon State University

Oregon State University (OSU) is an international, public research university in the northwest United States, located in Corvallis, Oregon.

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ORVYL and WYLBUR

ORVYL and WYLBUR are the names associated with the Stanford Timesharing System.

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OS 2200

OS 2200 is the operating system for the Unisys ClearPath Dorado family of mainframe systems.

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OS/360 and successors

OS/360, officially known as IBM System/360 Operating System, is a discontinued batch processing operating system developed by IBM for their then-new System/360 mainframe computer, announced in 1964; it was heavily influenced by the earlier IBSYS/IBJOB and Input/Output Control System (IOCS) packages.

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OS/VS1

Operating System/Virtual Storage 1, or OS/VS1, is a discontinued IBM mainframe computer operating system designed to be run on IBM System/370 hardware.

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OS/VS2 (SVS)

Single Virtual Storage (SVS) refers to Release 1 of Operating System/Virtual Storage 2 (OS/VS2); it is the successor system to the MVTBut not 65MP option of Operating System/360.

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Overhead (computing)

In computer science, overhead is any combination of excess or indirect computation time, memory, bandwidth, or other resources that are required to perform a specific task.

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PARC (company)

PARC (Palo Alto Research Center; formerly Xerox PARC) is a research and development company in Palo Alto, California, with a distinguished reputation for its contributions to information technology and hardware systems.

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PDP-1

The PDP-1 (Programmed Data Processor-1) is the first computer in Digital Equipment Corporation's PDP series and was first produced in 1959.

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PDP-10

The PDP-10 is a mainframe computer family manufactured by Digital Equipment Corporation (DEC) from 1966 into the 1980s.

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PDP-6

The PDP-6 (Programmed Data Processor-6) was a computer model developed by Digital Equipment Corporation (DEC) in 1963.

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Personal computer

A personal computer (PC) is a multi-purpose computer whose size, capabilities, and price make it feasible for individual use.

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PLATO (computer system)

PLATO (Programmed Logic for Automatic Teaching Operations) was the first generalized computer-assisted instruction system.

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Prime Computer

Prime Computer, Inc. was a Natick, Massachusetts-based producer of minicomputers from 1972 until 1992.

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PRIMOS

PRIMOS was an operating system developed during the 1970s by Prime Computer for its minicomputer systems.

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Project Genie

Project Genie was a computer research project started in 1964 at the University of California, Berkeley.

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Project Xanadu

Project Xanadu was the first hypertext project, founded in 1960 by Ted Nelson.

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Punched card input/output

A computer punched card reader or just computer card reader is a computer input device used to read computer programs in either source or executable form and data from punched cards.

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Punched tape

Punched tape or perforated paper tape is a form of data storage, consisting of a long strip of paper in which holes are punched to store data.

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RAND Corporation

RAND Corporation ("Research ANd Development") is an American nonprofit global policy think tank created in 1948 by Douglas Aircraft Company to offer research and analysis to the United States Armed Forces.

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RCA

The RCA Corporation was a major American electronics company, which was founded as the Radio Corporation of America in 1919.

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Rexx

Rexx (Restructured Extended Executor) is an interpreted programming language developed at IBM by Mike Cowlishaw.

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Robert Allerton Park

The Robert Allerton Park is a park, nature center, and conference center located in the rural Piatt County township of Willow Branch, (T 18 N, R 5 E) near Monticello, Illinois on the upper Sangamon River.

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RSTS/E

RSTS is a multi-user time-sharing operating system, initially developed by Evans, Griffiths, & Hart of Boston, and acquired by Digital Equipment Corporation (DEC, now part of Hewlett Packard) for the PDP-11 series of 16-bit minicomputers.

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RSX-11

RSX-11 is a discontinued family of multi-user real-time operating systems for PDP-11 computers created by Digital Equipment Corporation.

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Scientific Data Systems

Scientific Data Systems, or SDS, was an American computer company founded in September 1961 by Max Palevsky and Robert Beck, veterans of Packard Bell and Bendix, along with eleven other computer scientists.

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SDS 940

The SDS 940 was Scientific Data Systems' (SDS) first machine designed to directly support time-sharing.

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Service bureau

A service bureau is a company that provides business services for a fee.

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Service Bureau Corporation

The Service Bureau Corporation (SBC) was a subsidiary of IBM formed in 1957 to operate IBM's former service bureau business as an independent company.

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Service in Informatics and Analysis

Service in Informatics and Analysis (SIA Ltd.) was one of the pioneering time-sharing service bureau companies in the late 1960s, later known as SIA Computer Services.

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SRI International

SRI International (SRI) is an American nonprofit research institute headquartered in Menlo Park, California.

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Stanford University

Stanford University (officially Leland Stanford Junior University, colloquially the Farm) is a private research university in Stanford, California.

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Stanford University centers and institutes

Stanford University has many centers and institutes dedicated to the study of various specific topics.

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System Development Corporation

System Development Corporation (SDC) was a computer software company based in Santa Monica, California.

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Ted Nelson

Theodor Holm "Ted" Nelson (born June 17, 1937) is an American pioneer of information technology, philosopher, and sociologist.

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TELCOMP

TELCOMP was a programming language developed at Bolt, Beranek and Newman (BBN) in about 1964 and in use until at least 1974.

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Teletype Model 33

The Teletype Model 33 is an electromechanical teleprinter designed for light-duty office.

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Theory of computation

In theoretical computer science and mathematics, the theory of computation is the branch that deals with how efficiently problems can be solved on a model of computation, using an algorithm.

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Time Sharing Operating System

Time Sharing Operating System, or TSOS, is a discontinued operating system for RCA mainframe computers of the Spectra 70 series.

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Time Sharing Option

Time Sharing Option (TSO) is an interactive time-sharing environment for IBM mainframe operating systems, including OS/360 MVT, OS/VS2 (SVS), MVS, OS/390, and z/OS.

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Timeline of operating systems

This article presents a timeline of events in the history of computer operating systems from 1951 to the current day.

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Titan (computer)

Titan was the prototype of the Atlas 2 computer developed by Ferranti and the University of Cambridge Mathematical Laboratory in Cambridge, England.

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TOPS-10

The TOPS-10 System (Timesharing / Total Operating System-10) was a computer operating system from Digital Equipment Corporation (DEC) for the PDP-10 (or DECsystem-10) mainframe computer launched in 1967.

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TOPS-20

The TOPS-20 operating system by Digital Equipment Corporation (DEC) was a proprietary OS used on some of DEC's 36-bit mainframe computers.

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TSS (operating system)

The IBM Time Sharing System TSS/360 is a discontinued early time-sharing operating system designed exclusively for a special model of the System/360 line of mainframes, the Model 67.

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TSS-8

TSS-8 is a discontinued time-sharing operating system co-written by Don Witcraft and John Everett at Digital Equipment Corporation in 1967.

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Tymnet

Tymnet was an international data communications network headquartered in Cupertino, California that used virtual call packet switched technology and X.25, SNA/SDLC, ASCII and BSC interfaces to connect host computers (servers) at thousands of large companies, educational institutions, and government agencies.

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Tymshare

Tymshare, Inc. was a time-sharing service and third-party hardware maintenance company competing with companies such as Four-Phase Systems, CompuServe, and Digital Equipment Corporation (DEC, Digital).

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Unisys

No description.

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UNIVAC

UNIVAC (Universal Automatic Computer) is a line of electronic digital stored-program computers starting with the products of the Eckert–Mauchly Computer Corporation.

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UNIVAC 1100/2200 series

The UNIVAC 1100/2200 series is a series of compatible 36-bit computer systems, beginning with the UNIVAC 1107 in 1962, initially made by Sperry Rand.

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Universal Time-Sharing System

The Universal Time-Sharing System (UTS) was an operating system for the XDS Sigma series of computers, succeeding Batch Processing Monitor (BPM)/Batch Time-Sharing Monitor (BTM).

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University of California, Berkeley

The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public research university in Berkeley, California.

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University of Cambridge

The University of Cambridge (informally Cambridge University)The corporate title of the university is The Chancellor, Masters, and Scholars of the University of Cambridge.

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Unix

Unix (trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.

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Utility computing

Utility computing, or The Computer Utility, is a service provisioning model in which a service provider makes computing resources and infrastructure management available to the customer as needed, and charges them for specific usage rather than a flat rate.

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VAX

VAX is a discontinued instruction set architecture (ISA) developed by Digital Equipment Corporation (DEC) in the mid-1970s.

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VAX-11

The VAX-11 is a discontinued family of minicomputers developed and manufactured by Digital Equipment Corporation (DEC) using processors implementing the VAX instruction set architecture (ISA).

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Virtual memory

In computing, virtual memory (also virtual storage) is a memory management technique that provides an "idealized abstraction of the storage resources that are actually available on a given machine" which "creates the illusion to users of a very large (main) memory." The computer's operating system, using a combination of hardware and software, maps memory addresses used by a program, called virtual addresses, into physical addresses in computer memory.

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VM (operating system)

VM (often: VM/CMS) is a family of IBM virtual machine operating systems used on IBM mainframes System/370, System/390, zSeries, System z and compatible systems, including the Hercules emulator for personal computers.

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VP/CSS

VP/CSS was a time-sharing operating system developed by National CSS.

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VS/9

VS/9 is a discontinued computer operating system available for the UNIVAC Series 90 mainframes (90/60, 90/70, and 90/80) during the late 1960s through 1980s.

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WAITS

WAITS was a heavily modified variant of Digital Equipment Corporation's Monitor operating system (later renamed to, and better known as, "TOPS-10") for the PDP-6 and PDP-10 mainframe computers, used at the Stanford Artificial Intelligence Laboratory (SAIL) from the mid-1960s up until 1991; the mainframe computer it ran on also went by the name of "SAIL".

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Z/OS

z/OS is a 64-bit operating system for IBM mainframes, produced by IBM.

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Redirects here:

Computer/Time-sharing, Time Sharing, Time share computer system, Time sharing, Time-Sharing, Time-sharing operating system, Time-sharing system, Timesharing.

References

[1] https://en.wikipedia.org/wiki/Time-sharing

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