This command drops you in a shell where only Guile is in $PATH—no
Coreutils, sed, grep, etc. Maybe this isn’t intended?
Ludo’.
Exactly, Ludo. No Coreutils, sed, grep, not even ls
I don't know wether this was intended or not. I was following the instructions
AND I had misunderstood the effect of "--pure" myself.
It's all right now. I understood better, Amirouche declared that he doesn't remember why he chose "--pure" and he didn't run into this because he uses zsh, not bash (so the ubuntu .bashrc didn't affect him)