Question

explain briefly water multi user system is and how it work

Answer 1

multi user system means more than one user can use it
by making account on that it can be used

Answer 2

Answer:

Multi-user software is software that allows access by multiple users of a computer. Time-sharing systems aremulti-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.