>> Ed is for those who can remember what they are working on.

https://www.gnu.org/fun/jokes/ed-msg.html

My first job out of university I was taught how to use a line editor in IBM UniData. It was interesting getting used to writing code that way.

But it was an amazing day when I discovered that the "program table" was just a directory on the server I could mount over FTP and use Notepad++.