update-ifupdown-scripts-zg2.d-symlinks(1) on Linux

The text 4737d24061bd, as Debian 5.0 (Lenny) shipped it.

preliminary manpage dump-ifupdown-scripts-zg2.d-symlinks kill-ifupdown-scripts-zg2.d-symlinks check-ifupdown-scripts-zg2.d-symlinks