find . -type d
can be used to find all directories below some start point. But it returns the current directory (.) too, which may be
I use find ./* <...> when I don't mind ignoring first-level dotfiles (the * glob doesn't match these by default in bash - see the 'dotglob' option in the shopt builtin: https://www.gnu.org/software/bash/manual/html_node/The-Shopt-Builtin.html).
eclipse tmp # find . . ./screen ./screen/.testfile2 ./.X11-unix ./.ICE-unix ./tmux-0 ./tmux-0/default
eclipse tmp # find ./* ./screen ./screen/.testfile2 ./tmux-0 ./tmux-0/default