In computer science, the number of concurrent users for a resource in a location, with the location being a computing network or a single computer, refers to the total number of people using the resource within predefined period of time. The resource can, for example, be a computer program, a file, or the computer as a whole.[citation needed]
A computer operating system that allows several users to access a resource on the computer at the same time is a multiuser multitasking operating system, historically called a time-sharing operating system. The capacity of a system can also be measured in terms of maximum concurrent users, at which point system performance begins to degrade noticeably.[citation needed]
Commercial vendors often license a software product by means of a concurrent users restriction. This allows a fixed number of users access to the product at a given time, and is in contrast with an unlimited use license.[1]
References
- ^ Study shows enterprises favor concurrent-user software licenses, www.eweek.com, 12 October 2005 (accessed 20 January 2007)
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