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LPI 102-500 Exam - Topic 4 Question 49 Discussion

What the echo $$ command?
A) The process ID of the current shell.
B) The process ID for the following command.
C) The process ID of the last command executed.
D) The process ID of the last command which has been placed in the background.
E) The process ID of the echo command.

LPI 102-500 Exam - Topic 4 Question 49 Discussion

Actual exam question for LPI's 102-500 exam
Question #: 49
Topic #: 4
[All 102-500 Questions]

What the echo $$ command?

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Suggested Answer: A

by Chanel at Aug 04, 2022, 01:43 AM

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Dusti
8 months ago
Really? I had no idea it was that specific!
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Erinn
8 months ago
Nope, it's definitely for the current shell.
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Chaya
9 months ago
Wait, I thought it was for the last command executed?
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Phil
9 months ago
Totally agree, it's super useful for scripting!
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Marcos
9 months ago
The echo $$ command shows the current shell's process ID.
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Celeste
9 months ago
I thought the echo command was just for displaying text, so I'm confused about why it would have a process ID.
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Twanna
9 months ago
This feels similar to a practice question we did on process IDs, but I can't remember if it's about the last command or the one in the background.
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Elvera
9 months ago
I remember something about process IDs, but I can't recall if it refers to the current shell or the last command executed.
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Minna
9 months ago
I think the echo command just prints text to the terminal, but I'm not sure what its process ID would be.
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Alysa
9 months ago
The question is a bit vague. Does the "centralized logging solution" mean it's already set up and ready to receive logs? Or do we need to configure that as well? I'd want to clarify that before answering.
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Jerry
9 months ago
Okay, I've got a strategy here. I'm going to eliminate the options that don't seem directly related to the user's issue, and then try to determine which of the remaining options is the most likely solution.
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