Discuss GAQM LCP-001 Exam Topic 4 Question 91

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

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.

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23 comments · newest first

Elfriede 10 months ago

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

Carri 10 months ago

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

Lavonda 10 months ago

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

Albina 11 months ago

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

Karina 11 months ago

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

Tina 11 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.

Marvel 11 months ago

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

Chi 12 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.

Trina 12 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.

Sabrina 12 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.

Kimbery 1 year 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.

Quentin 1 year ago

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

Tora 1 year 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.

Margurite 1 year ago

Hmm, this looks like a tricky one. I think the key is to figure out which command actually changes the priority of the process.

Vi 1 year ago

Haha, I almost chose option A. Increasing the priority by +20 would make the process run in slow motion!

Sunny 1 year ago

I agree with Kattie. Decreasing the value by -20 will set the process to the highest priority.

Arlene 1 year ago

↳ replying to Sunny

A) /usr/bin/renice +20 1234

Velda 1 year ago

I'm not sure, but I think C) /bin/setpriority +20 12345 might also be a valid command.

Brigette 1 year ago

I agree with Wynell, because renice is used to change the priority of a process.

Wynell 1 year ago

I think the answer is B) /usr/bin/renice -20 12345.

Kattie 1 year ago

Option B is the correct answer. The renice command with a negative value increases the priority of the process.

Cassandra 1 year ago

↳ replying to Kattie

Yes, that's correct. The renice command with a negative value increases the priority.

Rasheeda 1 year ago

↳ replying to Kattie

I think the answer is B) /usr/bin/renice -20 12345

GAQM LCP-001 Exam - Topic 4 Question 91 Discussion