in reply to Re^2: Tk and IPC - killing of process not working in Linux
in thread Tk and IPC - killing of process not working in Linux

Found a better solution.

If I use killfam instead of kill then all the children are signalled and in this case killed as well.

See http://search.cpan.org/~lusol/tkjuke-1.0.6/Proc/Killfam.pm

In Section Seekers of Perl Wisdom