GAQM LCP-001 Exam - Topic 4 Question 91 Discussion

Actual exam question for GAQM's LCP-001 exam

Question #: 91
Topic #: 4

[All LCP-001 Questions]

What command changes the priority of the process running with process id of 12345 to the highest priority?

A/usr/bin/renice +20 1234

B/usr/bin/renice -20 12345

C/bin/setpriority +20 12345

D/bin/setpriority -20 12345

Show Suggested Answer

Suggested Answer: B

To change the priority of running process we use the renice command. Default priority is 0, highest priority is -20 and lowest priority is 19. The path of renice command is /usr/bin/renice.

by Beula at Jul 04, 2025, 07:23 AM

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Elfriede

2 months ago

I disagree, I think it’s D because setpriority is more direct.

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Carri

2 months ago

Nope, B is correct. Renice uses negative values for higher priority.

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Lavonda

2 months ago

I thought it was A at first, but B makes more sense.

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Albina

3 months ago

It's definitely B, -20 is the highest priority.

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Karina

3 months ago

Wait, isn't +20 the highest? I'm confused.

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Tina

3 months ago

I'm pretty sure `renice` is the right command, but I can't remember if it was `12345` or `1234` for the process ID.

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Marvel

3 months ago

I feel like I saw a question similar to this where `setpriority` was used, but I can't recall the exact syntax.

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Chi

4 months ago

I remember practicing with `renice`, and I think the higher the number, the lower the priority, so it must be `-20` for the highest priority.

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Trina

4 months ago

I think the command to change priority is `renice`, but I'm not sure if it's `+20` or `-20` for the highest priority.

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Sabrina

4 months ago

Okay, I think I've got it. The question asks to set the process to the highest priority, so the answer must be option B, /usr/bin/renice -20 12345.

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Kimbery

4 months ago

I'm a bit unsure about this one. I know priority values range from -20 to 19, with -20 being the highest priority. So I'm not sure if the +20 or -20 is the right approach here.

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Quentin

4 months ago

Alright, I'm pretty confident that option B is the correct answer. The -20 flag should set the process to the highest priority.

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Tora

5 months ago

Okay, let me think this through. I know the renice command is used to change process priority, so I'm guessing one of those options is the right answer.

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