Linux support and documentation sites are a dime a dozen -- and some aren't worth much more than that. Here are a few sites that really give you your money's worth . . . or at least they would, if most of the content wasn't already free.

This certainly isn't a complete list of quality online Linux support resources. Think of it as a snapshot of some of my current favorites; even if these don't deliver what you need, they at least show you what to expect when you go looking for other, similar, Linux support sites.

• HowtoForge.com. - This assortment of contributed content now includes around 2,000 tutorials. Nearly half of these deal with various Linux distros, including more than 200 Ubuntu-related howtos; the remainder cover all sorts of open-source applications and sub-topics. Everything is available for free,

• The Linux Tutorial. - Author and IT expert James Mohr has assembled an impressive set of resources for Linux users. This includes over 300 articles on Linux-related topics, a glossary, a huge collection of links to other useful Web sites and a rapidly-growing forum. Everything is available for free, and donations are accepted.

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