We crossed in the mail, but I'd better correct you before Rita gets even more confused.
You'll know that you got to the correct Library if the listing includes stuff that looks more like this:
com.apple.Accessibility.plist
That's the contents of /Users/ysn/Library/Preferences.
/Users/ysn/Library should look like...
Accessibility
Accounts
Address Book Plug-Ins
Application Scripts
Application Support
Assistant
Audio
Autosave Information
BBEdit
Bundles
Caches