In what ways is an operating system for a mainframe computer

Solution

Differences :

1. Mainframe is a large, powerful server OS where as laptop OS is microcomputer OS .
2. Mainframe OS allows multiple OS run simultaneously on one machine where as laptop cannot simultaneously run on a single machine .runs only one instance at a time on a laptop computer .
3. Mainframe is multiuser, so can process requests from millions of users and support lot of I/O where as laptop OS is single user .
4. Mainframe OS is costlier than laptop OS .
5. Mainframe OS offers batch processing , transaction processing ,time sharing and is used for bulk jobs .
6. Mainframes are more robust due to flexible process control .
7. Mainframe OS is used for specific tasks by large organizations where as personal computers perform a wide range of activities .
8. Mainframe supports workload sharing where one system takes over another while it is refreshed ,necessary for non-disruption of work .
9. Mainframe OS are more mission critical , so provide high reliability, security, high computation, hardware utilization and compatibility with older software. These support workload sharing where one system takes over another while it is refreshed.
10. Mainframe OS mostly come bundled with the platform where as laptop OS can be used on different machines

Similarities :

11. Both support multi processing , multiprogramming .
12 .Both control devices .
13. Both manage softwares and memory .