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To know the PID of your current shell, which command will be used?

mhmadesk
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2022-06-10
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To know the PID of your current shell, which command will be used?

  1. echo $$
  2. echo $
  3. $SHELL
  4. $PATH
Unix operating system, MCQ Questions, Unix operating system MCQ-questions,
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mhmadesk
2022-06-10
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 (a).echo $$

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