CompTIA
LX0-101 · Question #261
The command echo $! will produce what output?
The correct answer is A. the process id of last background command. See the full explanation below for the reasoning.
Question
The command echo $! will produce what output?
Options
- Athe process id of last background command
- Bthe exit status of the last command
- Cthe exit status of the last background command
- Dthe process id of the current shell
- Ethe name of the command being executed
How the community answered
(29 responses)- A79% (23)
- C3% (1)
- D10% (3)
- E7% (2)
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