Question

which of the following is not a multi-user operating system? (a)DOS (b)window 2003 server (c)linux (d)unix ​

Answer 1

Answer:

Unix is the multi user operating system.

Answer 2

Option (a) DOS

The following is not a multi-user operating system DOS

• Disk Operating System, or DOS, is a program that every personal computer must have. It comes in two shapes. PC-DOS is the one offered with IBM personal computers. MS-DOS is used by all other compatible personal computers.
• A number of comparable command-line disc operating systems are also referred to as DOS. Early computers included disc operating systems, such as Commodore Business Machines DOS, Atari DOS, and Apple DOS, respectively.
• Examples of these early computers were the Commodore 64, Atari 800, and Apple II.
• A Denial-of-Service (DoS) attack aims to bring down a computer system or network so that its intended users are unable to access it. DoS attacks achieve this by providing the victim an excessive amount of traffic or information that causes a crash.

#SPJ2