[net.misc] A quick was to make the shell loop

dave@utcsrgv.UUCP (Dave Sherman) (06/22/83)

I accidentally typed
	. .
to the v7 shell, and it hung (until I hit interrupt, of course).
When you think about it, you realize that it tried to execute "."
(current directory) as a shell file, which in turn tried to execute
". ..", which in turn...