On 23 Oct 2019, at 17:17, Richard Salz <rich.salz at gmail.com> wrote: > > 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. I assume this was tested both on personal and work systems to see if the reflex speed changed? Arrigo