"The most exotic feature of the Shell is its ability to connect the standard output of one command directly to the standard input of another. *Again, neither program is aware that such things are going on.* In the example" So sad that many shell programs today break this abstraction barrier :/ Was there a watershed moment when people started doing this, or people just always couldn't resist the "convenience" of typing less? Tyler On Mon, Nov 30, 2020 at 5:18 AM Joachim via TUHS wrote: > Apologies if this has already been linked here. > > "The UNIX Command Language is the first-ever paper published on the Unix > shell. It was written by Ken Thompson in 1976." > > https://github.com/susam/tucl > > > Joachim >