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LFCS · Question #254
LFCS Question #254: Real Exam Question with Answer & Explanation
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Submitted by fatima_kr· Apr 18, 2026Essential Commands
Question
In the following command and its output, echo $$ 12942 which of the following is 12942?
Options
- AThe process ID of the echo command.
- BThe process ID of the current shell.
- CThe process ID of the last command executed.
- DThe process ID of the last backgrounded command.
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Topics
#Shell special variables#Process ID (PID)#Bash commands#Shell scripting basics