Difference between Process and Kernel Thread
Process is an activity of executing a program. Process is of two types – User process and System process. Process control block controls the operation of the process.
2. Kernel Thread:
Kernel thread is a type of thread in which threads of a process are managed at kernel level. Kernel threads are scheduled by operating system (kernel mode).
Difference between Process and Kernel Thread:
|Process is a program being executed.
|Kernel thread is the thread managed at kernel level.
|It is high overhead.
|It is medium overhead.
|There is no sharing between processes.
|Kernel threads share address space.
|Process is scheduled by operating system using process table.
|Kernel thread is scheduled by operating system using thread table.
|It is heavy weight activity.
|It is light weight as compared to process.
|It can be suspended.
|It can not be suspended.
|Suspension of a process does not affect other processes.
|Suspension of kernel thread leads to all the threads stop running.
|Its types are – user process and system process.
|Its types are – kernel level single thread and kernel level multi thread.
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