Tutorial by Examples: bashpid

Process ID (pid) of the current instance of Bash. This is not the same as the $$ variable, but it often gives the same result. This is new in Bash 4 and doesn't work in Bash 3. ~> $ echo "\$\$ pid = $$ BASHPID = $BASHPID" $$ pid = 9265 BASHPID = 9265

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