What are some installable packages for learning bash commands and other topics from in a linux terminal?
mkdir a space for scratch
sudo chmod 777 .
keep running, opening viewer and reading the manual/tutorial doc side by side
except if any referring to other dir. or sudo rm ...
freely type, try every part of it the useful points with replacing,copying any outside dir. reference, into this scratch
use find text menu in the viewer to quickly cross check / reference