XK0-006 System Management Practice Question
A user reports that a specific process is consuming too much CPU. The administrator needs to change the priority of the process to a lower value (nicer). Which command sequence is appropriate?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
renice +10 -p <PID>
renice changes the priority of an already running process by PID.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
nice -n -10 <PID>
Why it's wrong here
nice is used to start a process with a given priority, not change existing.
- ✗
kill -15 <PID>
Why it's wrong here
kill sends a signal, not change priority.
- ✗
chrt --idle <PID>
Why it's wrong here
chrt changes scheduling policy, not niceness.
- ✓
renice +10 -p <PID>
Why this is correct
Correct: renice +10 increases niceness (lower priority).
Go deeper
Related to this question
Learn chapter
User and Group Administration
Key term
Value
Value is the perceived worth, benefit, or usefulness that a service, product, or activity delivers to stakeholders, especially customers and the business.
Key term
Process
In IT service management, a process is a structured set of activities designed to accomplish a specific objective, such as managing incidents or changes, by transforming inputs into defined outputs.
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Written by Johnson Ajibi, MSc IT Security
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