Types of OS

Types of OS

1. Batch Processing

   • When computing was a new disipline there were not enough machines to satisfy demand for processor time for students who wanted lots of calculations, firms who wanted their payroll system worked out, plus many others.

2. Real Time

   • A real time system is one where the processing is done quickly enough to affect the next input or process to be carried out.
   • Example is booking system, airline/concert/theatre book systems are real time systems.

3. Single User

   • A single user OS will only allow a single user to use the computer at any one time.
   • An example is your home machine, only one person can use it at a time.

4. Multi User

   • A Multi User System allows more than user to use its services simultaneously.

5. Multi Tasking

   • Allows more than one application to be available simultaneously.
   • When you use your computer at home you mighthave more than one thing is open at the same time.

6. Distributed

   • Is a system that allows software and data files to be distributed around the system.
   • Can speed access to files because there is no single bottle neck which all information must pass through.