I turned it into a reflex tester:
   trap "ls | wc ; exit" 1 2 3 15
   echo go... `ls | wc`
   rm -f *

And I got a prize at Usenix for it.

On Wed, Oct 23, 2019 at 11:09 AM Arthur Krewat <krewat@kilonet.net> wrote:

> More than one of us have done that in our lifetime ;)
>
> On 10/23/2019 1:13 AM, Gilles Gravier wrote:
> > "sudo rm -rf /tmp /*"
>
>