Thanks! I found TERMINAL, but when I clicked on it, I got this reply: [Note: must go to an appt, so will try later. THANKS!]
Last login: Mon Nov 25 13:51:45 on ttys000
/Volumes/03204/0001/01/I0010001 ; exit;
The default interactive shell is now zsh.
To update your account to use zsh, please run `chsh -s /bin/zsh`.
For more details, please visit https://support.apple.com/kb/HT208050.
iMac:~ wendyh$ /Volumes/03204/0001/01/I0010001 ; exit;
-bash: /Volumes/03204/0001/01/I0010001: cannot execute binary file
logout
Saving session...
...copying shared history...
...saving history...truncating history files...
...completed.
[Process completed]