Multi-user software: Difference between revisions
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{{redirect|Single user|a product designed for cheapness and short-term convenience rather than medium to long-term durability|Single use}} |
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{{unreferenced|date=November 2011}} |
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'''Multi-user''' [[software]] is software that allows access by multiple [[User (computing)|user]]s of a [[computer]]. [[Time-sharing]] systems are multi-user systems. Most [[batch processing]] systems for [[mainframe computer]]s may also be considered "multi-user", to avoid leaving the [[central processing unit|CPU]] idle while it waits for [[input/output|I/O]] operations to complete. However, the term "[[Computer multitasking|multitasking]]" is more common in this context. |
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An example is a '''[[Unix]]''' server where multiple remote users have access (such as via a [[Serial port|serial port]] or [[Secure Shell]]) to the [[Unix shell]] prompt at the same time. Another example uses multiple [[X Window System|X Window]] sessions spread across multiple terminals powered by a single machine - this is an example of the use of [[thin client]]. Similar functions were also available under [[MP/M]], [[Concurrent DOS]], [[Multiuser DOS]] and [[FlexOS]]. |
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Some multi-user operating systems such as [[Windows]] versions from the [[Windows NT]] family support simultaneous access by multiple users (for example, via [[Remote Desktop Connection]]) as well as the ability for a user to disconnect from a local session while leaving processes running (doing work on their behalf) while another user logs into and uses the system. The operating system provides isolation of each user's processes from other users, while enabling them to execute concurrently{{dubious|date=July 2014}}. |
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[[Management systems]] are implicitly designed to be used by multiple users, typically one [[system administrator]] or more and an [[End-user (computer science)|end-user]] community. |
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The complementary term, '''single-user''', is most commonly used when talking about an operating system being usable only by one person at a time, or in reference to a single-user [[software license agreement]]. Multi-user operating systems such as Unix sometimes have a [[single user mode]] or [[runlevel]] available for emergency maintenance. |
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== See also == |
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*[[Multiseat configuration|Multiseat]] |
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== External links == |
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* [http://www.microsoft.com/technet/interopmigration/unix/sfu/intrxtse.mspx Interix in a Multi-User Windows TSE Environment] paper about the [[Unix]] multi-user model and [[MS-Windows]] NT [[Terminal Services|TSE]] |
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[[Category:Operating system technology]] |
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{{software-type-stub}} |
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Revision as of 07:34, 21 November 2017
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