On 28 Nov 2017 11:18 +0000, from ralph at inputplus.co.uk (Ralph Corderoy): > And Multics had some kind of `attach' and `detach' of I/O streams, well > known to Ossanna, so perhaps dup(2), and a Thompson-shell syntax to go > with it meant `>' was earmarked early on. Didn't early UNIX pipes use `<' to separate the commands involved? -- Michael Kjörling • https://michael.kjorling.se • michael at kjorling.se “People who think they know everything really annoy those of us who know we don’t.” (Bjarne Stroustrup)