The "cd" command (short for "change directory") will only look in the current directory if you don't pass it the full path... Depending on which directory you are in when you type "cd Electrum-3.2.2", then the system might not see that directory. It doesn't "search" your entire file system looking for it. So you need to know exactly where it is.
Where did you download and extract the Electrum-3.2.2.tar.gz file?
Also, apologies for the bad reply before... I was using my phone on a break at like 4am, and obviously didn't proofread the message before I sent it
