What is a Multi User Operating System A multi-user operating system is a computer operating system (OS) that allows multiple users on different computers or terminals to access a single system with one OS on it. These programs are often quite complicated and must be able to properly manage the necessary tasks required by the different users connected to it. The users will typically be at terminals or computers that give them access to the system through a network, as well as other machines on the system such as printers. A multi-user operating system differs from a single-user system on a network in that each user is accessing the same OS at different machines. The operating system on a computer is one of the most important programs used. It is typically responsible for managing memory and processing for other applications and programs being run, as well as recognizing and using hardware connected to the system, and properly handling user interaction and data requests. On a s...