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Adjust the priorities of running processes (POSIX)
renice prioritylevel [-g pgrp...]
[-p pid...] [-u user...]
Neutrino
- -g pgrp
- Renice processes in this process group.
- -p pid
- Renice this process.
- -u user
- Renice processes owned by this user.
- prioritylevel
- The amount to adjust the priority by.
Positive numbers lower the priority by that many full
priority levels, while negative numbers raise the priority.
The renice utility adjusts the priority of all the threads
in one or more
running processes. The specified prioritylevel is
subtracted from the current priority of each selected process.
If you enter a:
|
renice:
|
Positive value (e.g. 2 or +2)
|
Lowers the priority of a process, making it “nicer” to other processes
|
Negative value (e.g. -2)
|
Raises the priority of a process, making it “meaner” to other processes |
You can adjust the priority as follows:
If you're:
|
You can change to any priority:
|
A non-root user
|
From 1 to 63
|
root
|
From 1 to 255 |
If you don't have the appropriate privileges, you can renice only
the processes you own.
You can change the range of privileged priorities with the -P
option for
procnto.
Lower the priority of process 768 by 2:
renice 2 -p 768
- 0
- Successful completion.
- > 0
- An error occurred.
nice,
slay
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