CompTIA
LX0-104 · Question #2
LX0-104 Question #2: Real Exam Question with Answer & Explanation
The correct answer is B: It is the process ID of the current shell.. See the full explanation below for the reasoning.
Question
When the command echo $$ outputs 12942, what is the meaning of 12942?
Options
- AIt is the process ID of the echo command.
- BIt is the process ID of the current shell.
- CIt is the process ID of the last command executed.
- DIt is the process ID of the last command which has been placed in the background.
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