What is a kernel thread and why do I need it on my system ?

Solution Verified - Updated -

Issue

  • What is a kernel thread ?
  • What are various kernel threads and why do I need them on my server ?
  • Why I have too many kernel thread process(es) running on my Server ?
  • Is it possible to kill a kernel thread?

Environment

  • Red Hat Enterprise Linux 4,5,6,7,8,9

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