Which of the following commands prints the exit value of the most recently executed program in Bash?

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answerhappygod
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Which of the following commands prints the exit value of the most recently executed program in Bash?

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Which of the following commands prints the exit value of the most recently executed program in Bash?

A. echo $?
B. echo $#
C. echo $exit
D. echo $status
E. echo $&
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