Perl's own chmod command is not effective in ubuntu 22.04
With this Perl and this machine: $ perl -v perl 5, version 34, subversion 0 (v5.34.0) built for x86_64-linux-gnu-thread-multi $ sb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 22.04.4 LTS Release: 22.04 Codename: jammy I ran…