password protected zip file?

[Senectus .]

How do you make a zip file (or any other archived format that windows
can open with just XP or winzip installed) that's password protected?
-- 
Ubuntu Hoary 5.04 
CNet News.com: So that would be the philosophical difference between
Microsoft and what Google is up to at this point?
Bill Gates: Well, we don't know everything they are up to, but we do
know their slogan and we disagree with that.
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