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Process Priorities (nice/renice)

Niceness values (-20 to 19) influence CPU scheduling; lower values mean higher priority.

Start with lower priority​

Input:

nice -n 10 tar cf backup.tar /data

Change priority of running process​

Input:

renice -n -5 1234

Output:

1234 (process ID) old priority 10, new priority -5

Indicates priority change for the PID.

References: