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Exam 102-400 All Questions

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Exam 102-400 topic 1 question 2 discussion

Actual exam question from LPI's 102-400
Question #: 2
Topic #: 1
[All 102-400 Questions]

When the command echo $ outputs 1, which of the following statements is true?

  • A. It is the process ID of the echo command.
  • B. It is the process ID of the current shell.
  • C. It is the exit value of the command executed immediately before echo.
  • D. It is the exit value of the echo command.
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Suggested Answer: C 🗳️
by dontone_covidone at Jan. 2, 2021, 3:32 p.m.

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NetOps_Dave
2 years ago
echo $ outputs the pid of the current shell, echo $? outputs the value of the command executed before echo
upvoted 1 times
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cloud_user13
3 years, 4 months ago
exit status of last command is displayed by echo $?
upvoted 2 times
Rupo7
3 years ago
Yes, I think the question has a mistake, it should be 'what does it mean if echo $? outputs 1?' The answer is the exit status of the last statement e.g. false echo $? 1
upvoted 1 times
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Audio00_02
4 years, 2 months ago
peggio del netacad
upvoted 3 times
Audio00_02
4 years, 2 months ago
*netacovid
upvoted 3 times
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dontone_covidone
4 years, 2 months ago
è sbagliata la domanda, bagordi è "$?"
upvoted 4 times
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