Why doesn't the cd command change directories?

Question

ubuntu

Good afternoon, please tell me I watched a video where they described in colors what ubuntu
is simple and just a dream of anyone . English version cd /dow + Tab, nothing happens at all cd /Downloads/ - writes no such files or directories cd ~/ - doesn't go anywhere cd / goes to / Error When trying to download programs, too, when inserting actual links, nothing happens Following the example of someone's installation of sublimetext, everything was clearly established, although in the end some kind of undersublimein was installed in the form of a regular text document.
bash cd: /Downloads/: No such file or rirectory

Answer 1

cd /Downloads/ - says no such files or directories
cd ~/ - doesn't go anywhere
cd / goes to /

Before

cd /Downloads/

you should run ls and see what folder is in the place where you are. Accordingly, by doing cd Downloads you should be allowed to go. The team

cd /Downloads/

Looks for the Downloads folder in the root, but it's not there. Similarly, cd ~ will take you to the user's home directory, and if you are in it, then you will not be thrown anywhere.
Read about how cd works here