How to establish a user who does not appear on the Welcome screen in XP [welcome screen] [folders]

Q: I want to set up a user in my Windows XP Pro system so I can see my shared folders from another PC access. How do I set one up, so they do not appear on the welcome screen?

Or is there another way to access to shared folders without creating a user name that matches the user on the remote system? That is how my Windows 2K system.

The remote system can run any flavor of Windows.

How to find files containing specific text? [subfolders] [folders]

Q: I have all the folders and files in a folder for all files containing specific text.

What to find the best way to do that?

It would be nice to be able to choose which folder I want to search all files in the subfolders that the text would somehow show so I could edit them.

Any contain suggestions?