1. Network operating OS
1.1. Advantages
1.1.1. highly stable servers
1.1.2. upgrades to new technologies
1.1.3. high security
1.2. Disadvantages
1.2.1. expensive
1.2.2. dependency on a central location
1.2.3. requires maintenance and updates
2. Real Time OS
2.1. Advantages
2.1.1. error free
2.1.2. maximum consumption
2.1.3. fast task shifting
2.2. Disadvantages
2.2.1. low multi-tasking
2.2.2. complex algorithms
2.2.3. limited tasks
3. Batch OS
3.1. Advantages
3.1.1. repetitive data processing
3.1.2. works without human intervention
3.2. Disadvantages
3.2.1. CPU is often idle
3.2.2. priority issues
3.2.3. no user-job interaction
4. Time-sharing OS
4.1. Advantages
4.1.1. reduces CPU idle time
4.1.2. avoids duplication of software
4.1.3. quick responsibility
4.2. Disadvantages
4.2.1. unreliable
4.2.2. inappropriate data communincation
4.2.3. consumes a lot of resources
5. Distributed OS
5.1. Advantages
5.1.1. reduction of delays in data processing
5.1.2. speedup the exchange of data
5.1.3. facilitates human-to-human communication
5.2. Disadvantages
5.2.1. networking problems
5.2.2. security problems
5.2.3. expensive software development