What is the difference between user level thread and kernel level thread?



What is the difference between user level thread and kernel level thread?..

Answer / Ravindra Kumar Singh

User-level threads (ULTs) are managed by the application itself, while kernel-level threads (KLTs) are managed by the operating system's kernel. ULTs have faster context switches but can lead to poor system performance if there are insufficient cores, whereas KLTs provide better scalability and resource management but have slower context switches.

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