Differentiate a single user operating system and a multi user operating system.

 Q. Differentiate a single user operating system and a multi user operating system. 

Ans. Single User System: In this kind of system the processor or a computer does only one job at a time. That is at one point of time only one task can be performed. For example : MS-DOS.

Multi User System: This type of system is used by more than one user. It allows the interaction of one user with the other. It also helps in executing more than one task at a particular time. For example : Unix and Windows NT.

Difference between Single User & Multi User O.S.

SINGLE USER (OS)	MULTI USER (OS)
1. Single person can use at a time.	1. More than one user can use at a time.
2. Standalone	2. Many systems are connected with one system.
3. More secure	3. Less secure.
4. No sharing of data	4. Sharing of data
5. More interactive	5. Less interactive.
6. Simple	6. Complex
7. Cheap	7. Costly
8. Less functions	8. More functions
9. Small in size	9. Large in size
10. Examples are DOS, Windows	10. Examples are Windows NT, Unix

Single User And Multi User Operating System.