renice

Change priority of a running process

medium risk

interactive breakdown — edit the command and press Explain
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⚠ Risks & cautions
What it does

Changes the niceness of running processes.

Common flags
FlagMeaning
-nNew niceness
-pPID
Examples
renice -n 10 -p 1234Lower priority of PID 1234 · explain & risk-check →
Related
nice ionice
Open the full explainer →More in System & Processes

Reference text is hand-written and may be incomplete — check man renice for your version. Test destructive commands on a non-production system first.