On 6 August 2018 at 17:16, wrote: > The early shells (Thompson, Mashey) used "% " for regular user (and # for > root). The Thompson shell didn't have a setable prompt. > The Bourne shell (V7) had setable PS1 (start of command) and PS2 > (continuation prompts) and set the to "$ " and "> " respectively. Again > # was used for root Okay, but why did Bourne switch from "%" to "$"? Was it to inform the user that they were using the new shell as opposed to the old one, or was there some other reasoning behind the switch? -Henry