A) Single-user operating system
B) Multi-user operating system
C) Multi-tasking operating system
D) All of the above
E) None of these
Correct Answer: A
Solution :
MS-DOS (Microsoft-Disk Operating System) is a single user. Single-tasking computer operating system that uses a command line interface. In single user operating system, only one user can work at a time.You need to login to perform this action.
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