On Thu, 15 Mar 2018, Chet Ramey wrote:
One amusing thing to do with /etc/motd is to add the like “You might have mail.” [...]
Try adding "Segmentation Fault (core dumped)".
I've done both of those, along with "System down for disk crashing at ...". It was sort of true, as it was scheduled maintenance which involved removing the RK-05 disks, prising them open with something like a speculum (in the open air!), and running some sort of a deflection gauge along the platter to see how warped it was. I think the DEC Field Circus Ginger-Beer also wiped the heads and replaced the NiCd battery...