XK0-006 System Management Practice Question
A system administrator wants to change the priority of a running process with PID 1234 to a lower priority (higher nice value). Which command should be used?
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 -n 10 -p 1234
renice is used to change the nice value of an existing process. A higher nice value means lower priority.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
renice -n 10 -p 1234
Why this is correct
renice changes the priority of a running process.
- ✗
renice -n -10 -p 1234
Why it's wrong here
-10 would increase priority, not lower it.
- ✗
chrt -p 10 1234
Why it's wrong here
chrt sets real-time scheduling policy, not nice value.
- ✗
nice -n 10 -p 1234
Why it's wrong here
nice is used to start a process with a given priority, not change an existing one.
Go deeper
Related to this question
Learn chapter
Process Management and System Monitoring
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.
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.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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