9 / 11 Lost on Scripts and Directories


#1

I am confused on $PATH. What do the listing of all directories with scripts mean? Why can I only use ls on /bin/ ? I tried to use /ls on other directories resulting from $PATH. But, it results in "No such file or directory".
Beyond this specific issue, I think am confused about what $PATH is doing and how to use it to learn more about the directories/lists/text etc.

https://www.codecademy.com/courses/learn-the-command-line/lessons/environment/exercises/path?action=lesson_resume


#2

Found with google search
bash $path explained site:stackoverflow.com
https://superuser.com/questions/517894/what-is-the-unix-path-variable-and-how-do-i-add-to-it


#3

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