Question
Parameter $! ? Answer Expands to the PID of the command most recently executed in the background. Question Parameter$! ?
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Question
Parameter $! ? Answer Expands to the PID of the command most recently executed in the background. If you want to change selection, open document below and click on "Move attachment" BashGuide/Parameters - Greg's Wiki ositional parameters that are currently set. ?$? Expands to the exit code of the most recently completed foreground command. $Expands to the PID (process ID number) of the current shell. ! <span>$! Expands to the PID of the command most recently executed in the background. _ "\$_" Expands to the last argument of the last command that was executed. And here are a few examples of Variables that the shell provides for you: BASH_VERSION: Contains a string desc

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