Question

Which of the following is a single user
operating system?
(a) MS DOS
(b)Windows vista
(c)unix​

Answer 1

Answer:

your answer is A= MS DOS

Explanation:

The single-user operating system is the operating system in which only one user can access the computer system at a time, and Ms-DOS is the best example of a single-user operating system.

Answer 2

(a) MS-DOS  is a single user  operating system.

A single user  operating system :

• A Single System Is a software system that allows a single user to complete only one task at a time.
• Publishing a paper, uploading photographs, and other tasks can only be done one at a time.
• The open-source operating system that supports multiple users. The term "multi-person operating system" type of computer system can be used by multiple people while only running one operating system.

• Windows vista  and UNIX​ is not a  single user  operating system.