# renice > 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: . - Increase/decrease the priority of a running [p]rocess: `renice -n {{3}} -p {{pid}}` - Increase/decrease the priority of all processes owned by a [u]ser: `renice -n {{-4}} -u {{uid|user}}` - Increase/decrease the priority of all processes that belong to a process [g]roup: `renice -n {{5}} -g {{process_group}}`