$$ in shell script
$$ is the process ID (PID) of the script itself.
$BASHPID is the process ID of the current instance of Bash. This is not the same as the $$ variable, but it often gives the same result.$$ in shell script
$$ is the process ID (PID) of the script itself.
$BASHPID is the process ID of the current instance of Bash. This is not the same as the $$ variable, but it often gives the same result.Copyright © 2021 Codeinu
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