> The MIT ~PWB1 system had a thing called 'dpy', I think written at MIT > based on 'ps' (and no doubt inspired by ITS' PEEK) Indeed my hidden agenda was to find a link between top and PEEK. But apparently the inspiration came from VMS: http://web.archive.org/web/20170527120123/http://www.unixtop.org:80/about.shtml