On Sun, Oct 20, 2019 at 07:31:55PM -0700, Ken Thompson via TUHS wrote: > i was writing the small utilities for the first > pdp-11 unix. (rm ls date ....) > > so, cd was next. > > % pwd > /usr/ken > % cd /tmp > % pwd > /usr/ken > > Aha! I'm old and slow, had to think about that one. Aha indeed!