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LFCS · Question #5
LFCS Question #5: Real Exam Question with Answer & Explanation
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Submitted by ashley.k· Apr 18, 2026Essential Commands
Question
When the command echo $ outputs 1, which of the following statements is true?
Options
- AIt is the process ID of the echo command.
- BIt is the process ID of the current shell.
- CIt is the exit value of the command executed immediately before echo.
- DIt is the exit value of the echo command.
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Topics
#Shell variables#Exit status#Command execution