Question

which of the following is not a multi-user operating system?
a. command line interface
b. linux
c. graphical user interface
d. unix

Answer 1

Explanation:

PC-DOS is not a multi-user operating system because PC-DOS is single user operating system.

PC-DOS (Personal Computer - Disk Operating System) was the first widely-installed operating system used in personal computers. It was developed for IBM by Bill Gates.

Answer 2

Answer:

C. graphical user interface is not a multi-user operating system.

Explanation :

• It interacts with the user through icons, menus, and other means. As a result, it is extremely user-friendly, and no commands must be remembered. Microsoft Windows, macOS, and other GUI-based operating systems are examples.

• A graphical user interface (GUI) is a form of user interface that allows people to interact with electronic devices via visual indicators.

• A graphics-based operating system interface that manages system interaction through icons, menus, and a mouse. The graphical user interface (GUI) was created by Xerox and popularized in the 1980s by the Apple Macintosh.