When I started programming as part of my job in 1967, there were no screen editors. I used a teletype terminal (ASR33) with a paper tape to load and save my wor

When I started programming as part of my job in 1967, there were no screen editors. I used a teletype terminal (ASR33) with a paper tape to load and save my work. Line editors like ed were the way to go. You’d keep the state of the program in your head and type out sections of it once in awhile to confirm your conception. Maybe print the whole thing once an hour.