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Operating System Basics Interview Questions And Answers For Freshers and Experience Part-7

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os37. List out some reasons for process termination.
Normal completion
Time limit exceeded
Memory unavailable
Bounds violation
Protection error
Arithmetic error
Time overrun
I/O failure
Invalid instruction
Privileged instruction
Data misuse
Operator or OS intervention
Parent termination.

38. What are the reasons for process suspension?

swapping
interactive user request
timing
parent process request

39. What is process migration?
It is the transfer of sufficient amount of the state of process from one machine to the target machine.

40. What is mutant?
In Windows NT a mutant provides kernel mode or user mode mutual exclusion with the notion of ownership.

41. What is an idle thread?
The special thread a dispatcher will execute when no ready thread is found.

42. What is FtDisk?
It is a fault tolerance disk driver for Windows NT.

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