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Alter the scheduling priority/niceness of running processes. Niceness values range from -20 (most favorable to the process) to 19 (least favorable to the process). See also: nice. More information:

  • Set the absolute priority of a running [p]rocess:

renice {{+3}} -p {{pid}}

  • Increase/decrease the priority of all processes owned by a [u]ser:

renice --relative {{-4}} -u {{uid|user}}

  • Set the priority of all processes that belong to a process [g]roup:

renice --absolute {{5}} -g {{process_group}}