This is related to http://bugs.debian.org/659969 and from version 5.0.0-1 on, zsh no more provides an ksh alternative, hence this issue is already fixed in Ubuntu.
** Bug watch added: Debian Bug tracker #659969 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=659969 ** Changed in: zsh (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/298057 Title: intrepid update changes /bin/ksh to point to zsh To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zsh/+bug/298057/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs