$ uname -a Linux focal 5.6.0-1055-oem #59-Ubuntu SMP Fri Apr 16 08:43:28 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux $ ./leak.sh $ echo $? 0 $
$ uname -a
Linux focal 5.6.0-1055-oem #59-Ubuntu SMP Fri Apr 16 08:43:28 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
$ ./leak.sh
$ echo $?
0
$