Tested on my production system (Mint 19.1 aka Bionic), and the test script provided in the description is now working fine.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1806060 Title: Newer versions of killall (Ubuntu 18.04+) fail when signal specified in capitals To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/psmisc/+bug/1806060/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs