From Bas van Dijk:
To understand these things I would recommend using nix-repl:
$ nix-repl
Welcome to Nix version 1.11.2. Type :? for help.
Byobu Commands | |
============== | |
byobu Screen manager | |
Level 0 Commands (Quick Start) | |
------------------------------ | |
<F2> Create a new window |