LPI Exam 102-500 Topic 11 Question 85 Discussion

Actual exam question for LPI's 102-500 exam

Question #: 85
Topic #: 11

[All 102-500 Questions]

What the echo $$ command?

AThe process ID of the current shell.

BThe process ID for the following command.

CThe process ID of the last command executed.

DThe process ID of the last command which has been placed in the background.

EThe process ID of the echo command.

Show Suggested Answer

Suggested Answer: A

by Jaime at Jul 06, 2024, 08:29 PM

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Tequila

7 months ago

Wait, wait, wait... you're telling me there's an actual shell command that just prints the process ID of the current shell? That's the most useless thing I've ever heard! I'm going to go write a script that just returns the word 'banana' instead.

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Tegan

7 months ago

I'm going with C. The process ID of the last command executed seems like the most logical choice here. That's how I've seen this command used in the past.

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Tamekia

6 months ago

I agree with you, I'll go with C. The process ID of the last command executed.

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Yvonne

7 months ago

I think it's A. The process ID of the current shell.

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Ayesha

8 months ago

I think the answer is B. The process ID for the following command makes the most sense to me. Why would we want the process ID of the echo command itself?

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