Several people wrote to correct my inexact terminology in talking about URLs pointing at files available on the nets via FTP (and, at times in the future, Gopher or the World-Wide Web). URLs are not part of the HyperText Markup Language (HTML) as such, although they are somewhat related, given their joint usage on the World-Wide Web.
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Using Keyboard Commands While Screen Sharing
In Snow Leopard, screen sharing now properly transfers all keyboard commands to the remote server. For example, the Command-Tab application switcher switches applications only on the remote system's screen.