<Table> <Tr> <Td> </Td> <Td> This article does not cite any sources . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (November 2011) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article does not cite any sources . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (November 2011) (Learn how and when to remove this template message) </Td> </Tr> <P> Multi-user software is software that allows access by multiple users of a computer . Time - sharing systems are multi-user systems . Most batch processing systems for mainframe computers may also be considered "multi-user", to avoid leaving the CPU idle while it waits for I / O operations to complete . However, the term "multitasking" is more common in this context . </P> <P> An example is a Unix server where multiple remote users have access (such as via a serial port or Secure Shell) to the Unix shell prompt at the same time . Another example uses multiple 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 . </P>

Software that is used simultaneously by multiple users in an organization is called