software that is used simultaneously by multiple users in an organization is called
Multi-user software 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.
Corporation The day-to-day activities of a corporation are typically controlled by individuals appointed by the members. In some cases, this will be a single individual but more commonly corporations are controlled by a committee or by committees. Broadly speaking, there are two kinds of committee structure.