Enabling core dumps

[Todd C. Miller]

In message <20021023215722.GA14524 at realh.co.uk>
	so spake Tony Houghton (sudo):

> I've just added the echo and the second ulimit line. It also reports
> "unlimited", but if I run it from sudo, it still doesn't dump core when
> it segfaults (which I'm forcing ATM by writing a NULL pointer). But if I
> use su news (with or without the - flag) and run the script from an
> interactive bash shell instead, it does.

Totally weird.  I've no idea what Linux is doing then...

 - todd